(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0) { deltas.push({ insert: text_content.join('') }); } return deltas; }; YRichText.prototype._getModel = function(Y, Operation) { var Editor, content_operations, editor; if (this._model == null) { content_operations = { selections: new Y.Selections(), characters: new Y.List(), cursors: new Y.Object() }; this._model = new Operation.MapManager(this, null, {}, content_operations).execute(); this._setModel(this._model); if (this._bind_later != null) { Editor = Editors[this._bind_later.name]; if (Editor != null) { editor = new Editor(this._bind_later.instance); } else { throw new Error("This type of editor is not supported! (" + editor_name + ") -- fatal error!"); } this.passDeltas(editor.getContents()); this.bind(editor); delete this._bind_later; } this._model.observe(this.propagateToEditor); } return this._model; }; YRichText.prototype._setModel = function(model) { return YRichText.__super__._setModel.apply(this, arguments); }; YRichText.prototype._name = "RichText"; YRichText.prototype.getText = function() { return this._model.getContent('characters').val().join(''); }; YRichText.prototype.setCursor = function(position) { this.selfCursor = this._model.getContent("characters").ref(position); return this._model.getContent("cursors").val(this._model.HB.getUserId(), this.selfCursor); }; YRichText.prototype.passDeltas = function(deltas) { return this.locker["try"]((function(_this) { return function() { var delta, position, _i, _len, _results; position = 0; console.log(deltas); _results = []; for (_i = 0, _len = deltas.length; _i < _len; _i++) { delta = deltas[_i]; _results.push(position = deltaHelper(_this, delta, position)); } return _results; }; })(this)); }; YRichText.prototype.updateCursorPosition = function(obj) { return this.locker["try"]((function(_this) { return function() { if (typeof obj === "number") { _this.selfCursor = _this._model.getContent("characters").ref(obj); } else { _this.selfCursor = obj; } return _this._model.getContent("cursors").val(_this._model.HB.getUserId(), _this.selfCursor); }; })(this)); }; YRichText.prototype.bindEventsToEditor = function(editor) { this._model.getContent("characters").observe((function(_this) { return function(events) { return _this.locker["try"](function() { var cursor_name, cursor_ref, delta, event, _i, _j, _len, _len1, _ref; for (_i = 0, _len = events.length; _i < _len; _i++) { event = events[_i]; delta = { ops: [] }; if (event.position > 0) { delta.ops.push({ retain: event.position }); } if (event.type === "insert") { delta.ops.push({ insert: event.value }); } else if (event.type === "delete") { delta.ops.push({ "delete": 1 }); _ref = _this._model.getContent("cursors").val(); for (cursor_ref = _j = 0, _len1 = _ref.length; _j < _len1; cursor_ref = ++_j) { cursor_name = _ref[cursor_ref]; if (cursor_ref === event.reference) { window.setTimeout(function() { return this._model.getContent("cursors")["delete"](cursor_name); }, 0); } } } else { return; } _this.editor.updateContents(delta); } }); }; })(this)); this._model.getContent("selections").observe((function(_this) { return function(event) { return _this.locker["try"](function() { var attr, attrs, retain, selection_length, val, _i, _len, _ref, _ref1; attrs = {}; if (event.type === "select") { _ref = event.attrs; for (attr in _ref) { val = _ref[attr]; attrs[attr] = val; } } else { _ref1 = event.attrs; for (_i = 0, _len = _ref1.length; _i < _len; _i++) { attr = _ref1[_i]; attrs[attr] = null; } } retain = event.from.getPosition(); selection_length = event.to.getPosition() - event.from.getPosition() + 1; return _this.editor.updateContents({ ops: [ { retain: retain }, { retain: selection_length, attributes: attrs } ] }); }); }; })(this)); this._model.getContent("cursors").observe((function(_this) { return function(events) { return _this.locker["try"](function() { var author, event, params, position, ref_to_char, _i, _len; for (_i = 0, _len = events.length; _i < _len; _i++) { event = events[_i]; if (event.type === "update" || event.type === "add") { author = event.changedBy; ref_to_char = event.object.val(author); if (ref_to_char === null) { position = _this.editor.getLength(); } else if (ref_to_char != null) { if (ref_to_char.isDeleted()) { return; } else { position = ref_to_char.getPosition(); } } else { console.warn("ref_to_char is undefined"); return; } params = { id: author, index: position, text: author, color: "grey" }; _this.editor.setCursor(params); } else { _this.editor.removeCursor(event.name); } } }); }; })(this)); return this._model.connector.onUserEvent((function(_this) { return function(event) { if (event.action === "userLeft") { return _this._model.getContent("cursors")["delete"](event.user); } }; })(this)); }; deltaHelper = function(thisObj, delta, position) { var content_array, delta_selections, delta_unselections, from, insert_content, n, retain, selections, to, v, _ref; if (position == null) { position = 0; } if (delta != null) { selections = thisObj._model.getContent("selections"); delta_unselections = []; delta_selections = {}; _ref = delta.attributes; for (n in _ref) { v = _ref[n]; if (v != null) { delta_selections[n] = v; } else { delta_unselections.push(n); } } if (delta.insert != null) { insert_content = delta.insert; content_array = (function() { if (typeof insert_content === "string") { return insert_content.split(""); } else if (typeof insert_content === "number") { return [insert_content]; } else { throw new Error("Got an unexpected value in delta.insert! (" + (typeof content) + ")"); } })(); insertHelper(thisObj, position, content_array); from = thisObj._model.getContent("characters").ref(position); to = thisObj._model.getContent("characters").ref(position + content_array.length - 1); thisObj._model.getContent("selections").select(from, to, delta_selections, true); thisObj._model.getContent("selections").unselect(from, to, delta_unselections); return position + content_array.length; } else if (delta["delete"] != null) { deleteHelper(thisObj, position, delta["delete"]); return position; } else if (delta.retain != null) { retain = parseInt(delta.retain); from = thisObj._model.getContent("characters").ref(position); to = thisObj._model.getContent("characters").ref(position + retain - 1); thisObj._model.getContent("selections").select(from, to, delta_selections); thisObj._model.getContent("selections").unselect(from, to, delta_unselections); return position + retain; } throw new Error("This part of code must not be reached!"); } }; insertHelper = function(thisObj, position, content_array) { return thisObj._model.getContent("characters").insertContents(position, content_array); }; deleteHelper = function(thisObj, position, length) { if (length == null) { length = 1; } return thisObj._model.getContent("characters")["delete"](position, length); }; return YRichText; })(BaseClass); if (typeof window !== "undefined" && window !== null) { if (window.Y != null) { window.Y.RichText = YRichText; } else { throw new Error("You must first import Y!"); } } if (typeof module !== "undefined" && module !== null) { module.exports = YRichText; } },{"./editors.coffee":2,"./misc.coffee":3}],5:[function(require,module,exports){ /* Copyright (C) 2012 Ariya Hidayat Copyright (C) 2012 Mathias Bynens Copyright (C) 2012 Joost-Wim Boekesteijn Copyright (C) 2012 Kris Kowal Copyright (C) 2012 Yusuke Suzuki Copyright (C) 2012 Arpad Borsos Copyright (C) 2011 Ariya Hidayat Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /*jslint bitwise:true plusplus:true */ /*global esprima:true, define:true, exports:true, window: true, throwError: true, createLiteral: true, generateStatement: true, parseAssignmentExpression: true, parseBlock: true, parseExpression: true, parseFunctionDeclaration: true, parseFunctionExpression: true, parseFunctionSourceElements: true, parseVariableIdentifier: true, parseLeftHandSideExpression: true, parseStatement: true, parseSourceElement: true */ (function (root, factory) { 'use strict'; // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js, // Rhino, and plain browser loading. if (typeof define === 'function' && define.amd) { define(['exports'], factory); } else if (typeof exports !== 'undefined') { factory(exports); } else { factory((root.esprima = {})); } }(this, function (exports) { 'use strict'; var Token, TokenName, Syntax, PropertyKind, Messages, Regex, source, strict, index, lineNumber, lineStart, length, buffer, state, extra; Token = { BooleanLiteral: 1, EOF: 2, Identifier: 3, Keyword: 4, NullLiteral: 5, NumericLiteral: 6, Punctuator: 7, StringLiteral: 8 }; TokenName = {}; TokenName[Token.BooleanLiteral] = 'Boolean'; TokenName[Token.EOF] = ''; TokenName[Token.Identifier] = 'Identifier'; TokenName[Token.Keyword] = 'Keyword'; TokenName[Token.NullLiteral] = 'Null'; TokenName[Token.NumericLiteral] = 'Numeric'; TokenName[Token.Punctuator] = 'Punctuator'; TokenName[Token.StringLiteral] = 'String'; Syntax = { AssignmentExpression: 'AssignmentExpression', ArrayExpression: 'ArrayExpression', BlockStatement: 'BlockStatement', BinaryExpression: 'BinaryExpression', BreakStatement: 'BreakStatement', CallExpression: 'CallExpression', CatchClause: 'CatchClause', ConditionalExpression: 'ConditionalExpression', ContinueStatement: 'ContinueStatement', DoWhileStatement: 'DoWhileStatement', DebuggerStatement: 'DebuggerStatement', EmptyStatement: 'EmptyStatement', ExpressionStatement: 'ExpressionStatement', ForStatement: 'ForStatement', ForInStatement: 'ForInStatement', FunctionDeclaration: 'FunctionDeclaration', FunctionExpression: 'FunctionExpression', Identifier: 'Identifier', IfStatement: 'IfStatement', Literal: 'Literal', LabeledStatement: 'LabeledStatement', LogicalExpression: 'LogicalExpression', MemberExpression: 'MemberExpression', NewExpression: 'NewExpression', ObjectExpression: 'ObjectExpression', Program: 'Program', Property: 'Property', ReturnStatement: 'ReturnStatement', SequenceExpression: 'SequenceExpression', SwitchStatement: 'SwitchStatement', SwitchCase: 'SwitchCase', ThisExpression: 'ThisExpression', ThrowStatement: 'ThrowStatement', TryStatement: 'TryStatement', UnaryExpression: 'UnaryExpression', UpdateExpression: 'UpdateExpression', VariableDeclaration: 'VariableDeclaration', VariableDeclarator: 'VariableDeclarator', WhileStatement: 'WhileStatement', WithStatement: 'WithStatement' }; PropertyKind = { Data: 1, Get: 2, Set: 4 }; // Error messages should be identical to V8. Messages = { UnexpectedToken: 'Unexpected token %0', UnexpectedNumber: 'Unexpected number', UnexpectedString: 'Unexpected string', UnexpectedIdentifier: 'Unexpected identifier', UnexpectedReserved: 'Unexpected reserved word', UnexpectedEOS: 'Unexpected end of input', NewlineAfterThrow: 'Illegal newline after throw', InvalidRegExp: 'Invalid regular expression', UnterminatedRegExp: 'Invalid regular expression: missing /', InvalidLHSInAssignment: 'Invalid left-hand side in assignment', InvalidLHSInForIn: 'Invalid left-hand side in for-in', MultipleDefaultsInSwitch: 'More than one default clause in switch statement', NoCatchOrFinally: 'Missing catch or finally after try', UnknownLabel: 'Undefined label \'%0\'', Redeclaration: '%0 \'%1\' has already been declared', IllegalContinue: 'Illegal continue statement', IllegalBreak: 'Illegal break statement', IllegalReturn: 'Illegal return statement', StrictModeWith: 'Strict mode code may not include a with statement', StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode', StrictVarName: 'Variable name may not be eval or arguments in strict mode', StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode', StrictParamDupe: 'Strict mode function may not have duplicate parameter names', StrictFunctionName: 'Function name may not be eval or arguments in strict mode', StrictOctalLiteral: 'Octal literals are not allowed in strict mode.', StrictDelete: 'Delete of an unqualified identifier in strict mode.', StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode', AccessorDataProperty: 'Object literal may not have data and accessor property with the same name', AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name', StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode', StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode', StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode', StrictReservedWord: 'Use of future reserved word in strict mode' }; // See also tools/generate-unicode-regex.py. Regex = { NonAsciiIdentifierStart: new 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NonAsciiIdentifierPart: new 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}; // Ensure the condition is true, otherwise throw an error. // This is only to have a better contract semantic, i.e. another safety net // to catch a logic error. The condition shall be fulfilled in normal case. // Do NOT use this to enforce a certain condition on any user input. function assert(condition, message) { if (!condition) { throw new Error('ASSERT: ' + message); } } function sliceSource(from, to) { return source.slice(from, to); } if (typeof 'esprima'[0] === 'undefined') { sliceSource = function sliceArraySource(from, to) { return source.slice(from, to).join(''); }; } function isDecimalDigit(ch) { return '0123456789'.indexOf(ch) >= 0; } function isHexDigit(ch) { return '0123456789abcdefABCDEF'.indexOf(ch) >= 0; } function isOctalDigit(ch) { return '01234567'.indexOf(ch) >= 0; } // 7.2 White Space function isWhiteSpace(ch) { return (ch === ' ') || (ch === '\u0009') || (ch === '\u000B') || (ch === '\u000C') || (ch === '\u00A0') || (ch.charCodeAt(0) >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(ch) >= 0); } // 7.3 Line Terminators function isLineTerminator(ch) { return (ch === '\n' || ch === '\r' || ch === '\u2028' || ch === '\u2029'); } // 7.6 Identifier Names and Identifiers function isIdentifierStart(ch) { return (ch === '$') || (ch === '_') || (ch === '\\') || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierStart.test(ch)); } function isIdentifierPart(ch) { return (ch === '$') || (ch === '_') || (ch === '\\') || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ((ch >= '0') && (ch <= '9')) || ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierPart.test(ch)); } // 7.6.1.2 Future Reserved Words function isFutureReservedWord(id) { switch (id) { // Future reserved words. case 'class': case 'enum': case 'export': case 'extends': case 'import': case 'super': return true; } return false; } function isStrictModeReservedWord(id) { switch (id) { // Strict Mode reserved words. case 'implements': case 'interface': case 'package': case 'private': case 'protected': case 'public': case 'static': case 'yield': case 'let': return true; } return false; } function isRestrictedWord(id) { return id === 'eval' || id === 'arguments'; } // 7.6.1.1 Keywords function isKeyword(id) { var keyword = false; switch (id.length) { case 2: keyword = (id === 'if') || (id === 'in') || (id === 'do'); break; case 3: keyword = (id === 'var') || (id === 'for') || (id === 'new') || (id === 'try'); break; case 4: keyword = (id === 'this') || (id === 'else') || (id === 'case') || (id === 'void') || (id === 'with'); break; case 5: keyword = (id === 'while') || (id === 'break') || (id === 'catch') || (id === 'throw'); break; case 6: keyword = (id === 'return') || (id === 'typeof') || (id === 'delete') || (id === 'switch'); break; case 7: keyword = (id === 'default') || (id === 'finally'); break; case 8: keyword = (id === 'function') || (id === 'continue') || (id === 'debugger'); break; case 10: keyword = (id === 'instanceof'); break; } if (keyword) { return true; } switch (id) { // Future reserved words. // 'const' is specialized as Keyword in V8. case 'const': return true; // For compatiblity to SpiderMonkey and ES.next case 'yield': case 'let': return true; } if (strict && isStrictModeReservedWord(id)) { return true; } return isFutureReservedWord(id); } // 7.4 Comments function skipComment() { var ch, blockComment, lineComment; blockComment = false; lineComment = false; while (index < length) { ch = source[index]; if (lineComment) { ch = source[index++]; if (isLineTerminator(ch)) { lineComment = false; if (ch === '\r' && source[index] === '\n') { ++index; } ++lineNumber; lineStart = index; } } else if (blockComment) { if (isLineTerminator(ch)) { if (ch === '\r' && source[index + 1] === '\n') { ++index; } ++lineNumber; ++index; lineStart = index; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } else { ch = source[index++]; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } if (ch === '*') { ch = source[index]; if (ch === '/') { ++index; blockComment = false; } } } } else if (ch === '/') { ch = source[index + 1]; if (ch === '/') { index += 2; lineComment = true; } else if (ch === '*') { index += 2; blockComment = true; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } else { break; } } else if (isWhiteSpace(ch)) { ++index; } else if (isLineTerminator(ch)) { ++index; if (ch === '\r' && source[index] === '\n') { ++index; } ++lineNumber; lineStart = index; } else { break; } } } function scanHexEscape(prefix) { var i, len, ch, code = 0; len = (prefix === 'u') ? 4 : 2; for (i = 0; i < len; ++i) { if (index < length && isHexDigit(source[index])) { ch = source[index++]; code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase()); } else { return ''; } } return String.fromCharCode(code); } function scanIdentifier() { var ch, start, id, restore; ch = source[index]; if (!isIdentifierStart(ch)) { return; } start = index; if (ch === '\\') { ++index; if (source[index] !== 'u') { return; } ++index; restore = index; ch = scanHexEscape('u'); if (ch) { if (ch === '\\' || !isIdentifierStart(ch)) { return; } id = ch; } else { index = restore; id = 'u'; } } else { id = source[index++]; } while (index < length) { ch = source[index]; if (!isIdentifierPart(ch)) { break; } if (ch === '\\') { ++index; if (source[index] !== 'u') { return; } ++index; restore = index; ch = scanHexEscape('u'); if (ch) { if (ch === '\\' || !isIdentifierPart(ch)) { return; } id += ch; } else { index = restore; id += 'u'; } } else { id += source[index++]; } } // There is no keyword or literal with only one character. // Thus, it must be an identifier. if (id.length === 1) { return { type: Token.Identifier, value: id, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (isKeyword(id)) { return { type: Token.Keyword, value: id, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // 7.8.1 Null Literals if (id === 'null') { return { type: Token.NullLiteral, value: id, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // 7.8.2 Boolean Literals if (id === 'true' || id === 'false') { return { type: Token.BooleanLiteral, value: id, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } return { type: Token.Identifier, value: id, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // 7.7 Punctuators function scanPunctuator() { var start = index, ch1 = source[index], ch2, ch3, ch4; // Check for most common single-character punctuators. if (ch1 === ';' || ch1 === '{' || ch1 === '}') { ++index; return { type: Token.Punctuator, value: ch1, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (ch1 === ',' || ch1 === '(' || ch1 === ')') { ++index; return { type: Token.Punctuator, value: ch1, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // Dot (.) can also start a floating-point number, hence the need // to check the next character. ch2 = source[index + 1]; if (ch1 === '.' && !isDecimalDigit(ch2)) { return { type: Token.Punctuator, value: source[index++], lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // Peek more characters. ch3 = source[index + 2]; ch4 = source[index + 3]; // 4-character punctuator: >>>= if (ch1 === '>' && ch2 === '>' && ch3 === '>') { if (ch4 === '=') { index += 4; return { type: Token.Punctuator, value: '>>>=', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } } // 3-character punctuators: === !== >>> <<= >>= if (ch1 === '=' && ch2 === '=' && ch3 === '=') { index += 3; return { type: Token.Punctuator, value: '===', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (ch1 === '!' && ch2 === '=' && ch3 === '=') { index += 3; return { type: Token.Punctuator, value: '!==', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (ch1 === '>' && ch2 === '>' && ch3 === '>') { index += 3; return { type: Token.Punctuator, value: '>>>', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (ch1 === '<' && ch2 === '<' && ch3 === '=') { index += 3; return { type: Token.Punctuator, value: '<<=', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } if (ch1 === '>' && ch2 === '>' && ch3 === '=') { index += 3; return { type: Token.Punctuator, value: '>>=', lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // 2-character punctuators: <= >= == != ++ -- << >> && || // += -= *= %= &= |= ^= /= if (ch2 === '=') { if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) { index += 2; return { type: Token.Punctuator, value: ch1 + ch2, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } } if (ch1 === ch2 && ('+-<>&|'.indexOf(ch1) >= 0)) { if ('+-<>&|'.indexOf(ch2) >= 0) { index += 2; return { type: Token.Punctuator, value: ch1 + ch2, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } } // The remaining 1-character punctuators. if ('[]<>+-*%&|^!~?:=/'.indexOf(ch1) >= 0) { return { type: Token.Punctuator, value: source[index++], lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } } // 7.8.3 Numeric Literals function scanNumericLiteral() { var number, start, ch; ch = source[index]; assert(isDecimalDigit(ch) || (ch === '.'), 'Numeric literal must start with a decimal digit or a decimal point'); start = index; number = ''; if (ch !== '.') { number = source[index++]; ch = source[index]; // Hex number starts with '0x'. // Octal number starts with '0'. if (number === '0') { if (ch === 'x' || ch === 'X') { number += source[index++]; while (index < length) { ch = source[index]; if (!isHexDigit(ch)) { break; } number += source[index++]; } if (number.length <= 2) { // only 0x throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } if (index < length) { ch = source[index]; if (isIdentifierStart(ch)) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } return { type: Token.NumericLiteral, value: parseInt(number, 16), lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } else if (isOctalDigit(ch)) { number += source[index++]; while (index < length) { ch = source[index]; if (!isOctalDigit(ch)) { break; } number += source[index++]; } if (index < length) { ch = source[index]; if (isIdentifierStart(ch) || isDecimalDigit(ch)) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } return { type: Token.NumericLiteral, value: parseInt(number, 8), octal: true, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // decimal number starts with '0' such as '09' is illegal. if (isDecimalDigit(ch)) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } while (index < length) { ch = source[index]; if (!isDecimalDigit(ch)) { break; } number += source[index++]; } } if (ch === '.') { number += source[index++]; while (index < length) { ch = source[index]; if (!isDecimalDigit(ch)) { break; } number += source[index++]; } } if (ch === 'e' || ch === 'E') { number += source[index++]; ch = source[index]; if (ch === '+' || ch === '-') { number += source[index++]; } ch = source[index]; if (isDecimalDigit(ch)) { number += source[index++]; while (index < length) { ch = source[index]; if (!isDecimalDigit(ch)) { break; } number += source[index++]; } } else { ch = 'character ' + ch; if (index >= length) { ch = ''; } throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } if (index < length) { ch = source[index]; if (isIdentifierStart(ch)) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } return { type: Token.NumericLiteral, value: parseFloat(number), lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } // 7.8.4 String Literals function scanStringLiteral() { var str = '', quote, start, ch, code, unescaped, restore, octal = false; quote = source[index]; assert((quote === '\'' || quote === '"'), 'String literal must starts with a quote'); start = index; ++index; while (index < length) { ch = source[index++]; if (ch === quote) { quote = ''; break; } else if (ch === '\\') { ch = source[index++]; if (!isLineTerminator(ch)) { switch (ch) { case 'n': str += '\n'; break; case 'r': str += '\r'; break; case 't': str += '\t'; break; case 'u': case 'x': restore = index; unescaped = scanHexEscape(ch); if (unescaped) { str += unescaped; } else { index = restore; str += ch; } break; case 'b': str += '\b'; break; case 'f': str += '\f'; break; case 'v': str += '\x0B'; break; default: if (isOctalDigit(ch)) { code = '01234567'.indexOf(ch); // \0 is not octal escape sequence if (code !== 0) { octal = true; } if (index < length && isOctalDigit(source[index])) { octal = true; code = code * 8 + '01234567'.indexOf(source[index++]); // 3 digits are only allowed when string starts // with 0, 1, 2, 3 if ('0123'.indexOf(ch) >= 0 && index < length && isOctalDigit(source[index])) { code = code * 8 + '01234567'.indexOf(source[index++]); } } str += String.fromCharCode(code); } else { str += ch; } break; } } else { ++lineNumber; if (ch === '\r' && source[index] === '\n') { ++index; } } } else if (isLineTerminator(ch)) { break; } else { str += ch; } } if (quote !== '') { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } return { type: Token.StringLiteral, value: str, octal: octal, lineNumber: lineNumber, lineStart: lineStart, range: [start, index] }; } function scanRegExp() { var str, ch, start, pattern, flags, value, classMarker = false, restore, terminated = false; buffer = null; skipComment(); start = index; ch = source[index]; assert(ch === '/', 'Regular expression literal must start with a slash'); str = source[index++]; while (index < length) { ch = source[index++]; str += ch; if (ch === '\\') { ch = source[index++]; // ECMA-262 7.8.5 if (isLineTerminator(ch)) { throwError({}, Messages.UnterminatedRegExp); } str += ch; } else if (classMarker) { if (ch === ']') { classMarker = false; } } else { if (ch === '/') { terminated = true; break; } else if (ch === '[') { classMarker = true; } else if (isLineTerminator(ch)) { throwError({}, Messages.UnterminatedRegExp); } } } if (!terminated) { throwError({}, Messages.UnterminatedRegExp); } // Exclude leading and trailing slash. pattern = str.substr(1, str.length - 2); flags = ''; while (index < length) { ch = source[index]; if (!isIdentifierPart(ch)) { break; } ++index; if (ch === '\\' && index < length) { ch = source[index]; if (ch === 'u') { ++index; restore = index; ch = scanHexEscape('u'); if (ch) { flags += ch; str += '\\u'; for (; restore < index; ++restore) { str += source[restore]; } } else { index = restore; flags += 'u'; str += '\\u'; } } else { str += '\\'; } } else { flags += ch; str += ch; } } try { value = new RegExp(pattern, flags); } catch (e) { throwError({}, Messages.InvalidRegExp); } return { literal: str, value: value, range: [start, index] }; } function isIdentifierName(token) { return token.type === Token.Identifier || token.type === Token.Keyword || token.type === Token.BooleanLiteral || token.type === Token.NullLiteral; } function advance() { var ch, token; skipComment(); if (index >= length) { return { type: Token.EOF, lineNumber: lineNumber, lineStart: lineStart, range: [index, index] }; } token = scanPunctuator(); if (typeof token !== 'undefined') { return token; } ch = source[index]; if (ch === '\'' || ch === '"') { return scanStringLiteral(); } if (ch === '.' || isDecimalDigit(ch)) { return scanNumericLiteral(); } token = scanIdentifier(); if (typeof token !== 'undefined') { return token; } throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } function lex() { var token; if (buffer) { index = buffer.range[1]; lineNumber = buffer.lineNumber; lineStart = buffer.lineStart; token = buffer; buffer = null; return token; } buffer = null; return advance(); } function lookahead() { var pos, line, start; if (buffer !== null) { return buffer; } pos = index; line = lineNumber; start = lineStart; buffer = advance(); index = pos; lineNumber = line; lineStart = start; return buffer; } // Return true if there is a line terminator before the next token. function peekLineTerminator() { var pos, line, start, found; pos = index; line = lineNumber; start = lineStart; skipComment(); found = lineNumber !== line; index = pos; lineNumber = line; lineStart = start; return found; } // Throw an exception function throwError(token, messageFormat) { var error, args = Array.prototype.slice.call(arguments, 2), msg = messageFormat.replace( /%(\d)/g, function (whole, index) { return args[index] || ''; } ); if (typeof token.lineNumber === 'number') { error = new Error('Line ' + token.lineNumber + ': ' + msg); error.index = token.range[0]; error.lineNumber = token.lineNumber; error.column = token.range[0] - lineStart + 1; } else { error = new Error('Line ' + lineNumber + ': ' + msg); error.index = index; error.lineNumber = lineNumber; error.column = index - lineStart + 1; } throw error; } function throwErrorTolerant() { try { throwError.apply(null, arguments); } catch (e) { if (extra.errors) { extra.errors.push(e); } else { throw e; } } } // Throw an exception because of the token. function throwUnexpected(token) { if (token.type === Token.EOF) { throwError(token, Messages.UnexpectedEOS); } if (token.type === Token.NumericLiteral) { throwError(token, Messages.UnexpectedNumber); } if (token.type === Token.StringLiteral) { throwError(token, Messages.UnexpectedString); } if (token.type === Token.Identifier) { throwError(token, Messages.UnexpectedIdentifier); } if (token.type === Token.Keyword) { if (isFutureReservedWord(token.value)) { throwError(token, Messages.UnexpectedReserved); } else if (strict && isStrictModeReservedWord(token.value)) { throwErrorTolerant(token, Messages.StrictReservedWord); return; } throwError(token, Messages.UnexpectedToken, token.value); } // BooleanLiteral, NullLiteral, or Punctuator. throwError(token, Messages.UnexpectedToken, token.value); } // Expect the next token to match the specified punctuator. // If not, an exception will be thrown. function expect(value) { var token = lex(); if (token.type !== Token.Punctuator || token.value !== value) { throwUnexpected(token); } } // Expect the next token to match the specified keyword. // If not, an exception will be thrown. function expectKeyword(keyword) { var token = lex(); if (token.type !== Token.Keyword || token.value !== keyword) { throwUnexpected(token); } } // Return true if the next token matches the specified punctuator. function match(value) { var token = lookahead(); return token.type === Token.Punctuator && token.value === value; } // Return true if the next token matches the specified keyword function matchKeyword(keyword) { var token = lookahead(); return token.type === Token.Keyword && token.value === keyword; } // Return true if the next token is an assignment operator function matchAssign() { var token = lookahead(), op = token.value; if (token.type !== Token.Punctuator) { return false; } return op === '=' || op === '*=' || op === '/=' || op === '%=' || op === '+=' || op === '-=' || op === '<<=' || op === '>>=' || op === '>>>=' || op === '&=' || op === '^=' || op === '|='; } function consumeSemicolon() { var token, line; // Catch the very common case first. if (source[index] === ';') { lex(); return; } line = lineNumber; skipComment(); if (lineNumber !== line) { return; } if (match(';')) { lex(); return; } token = lookahead(); if (token.type !== Token.EOF && !match('}')) { throwUnexpected(token); } } // Return true if provided expression is LeftHandSideExpression function isLeftHandSide(expr) { return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression; } // 11.1.4 Array Initialiser function parseArrayInitialiser() { var elements = []; expect('['); while (!match(']')) { if (match(',')) { lex(); elements.push(null); } else { elements.push(parseAssignmentExpression()); if (!match(']')) { expect(','); } } } expect(']'); return { type: Syntax.ArrayExpression, elements: elements }; } // 11.1.5 Object Initialiser function parsePropertyFunction(param, first) { var previousStrict, body; previousStrict = strict; body = parseFunctionSourceElements(); if (first && strict && isRestrictedWord(param[0].name)) { throwErrorTolerant(first, Messages.StrictParamName); } strict = previousStrict; return { type: Syntax.FunctionExpression, id: null, params: param, defaults: [], body: body, rest: null, generator: false, expression: false }; } function parseObjectPropertyKey() { var token = lex(); // Note: This function is called only from parseObjectProperty(), where // EOF and Punctuator tokens are already filtered out. if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) { if (strict && token.octal) { throwErrorTolerant(token, Messages.StrictOctalLiteral); } return createLiteral(token); } return { type: Syntax.Identifier, name: token.value }; } function parseObjectProperty() { var token, key, id, param; token = lookahead(); if (token.type === Token.Identifier) { id = parseObjectPropertyKey(); // Property Assignment: Getter and Setter. if (token.value === 'get' && !match(':')) { key = parseObjectPropertyKey(); expect('('); expect(')'); return { type: Syntax.Property, key: key, value: parsePropertyFunction([]), kind: 'get' }; } else if (token.value === 'set' && !match(':')) { key = parseObjectPropertyKey(); expect('('); token = lookahead(); if (token.type !== Token.Identifier) { expect(')'); throwErrorTolerant(token, Messages.UnexpectedToken, token.value); return { type: Syntax.Property, key: key, value: parsePropertyFunction([]), kind: 'set' }; } else { param = [ parseVariableIdentifier() ]; expect(')'); return { type: Syntax.Property, key: key, value: parsePropertyFunction(param, token), kind: 'set' }; } } else { expect(':'); return { type: Syntax.Property, key: id, value: parseAssignmentExpression(), kind: 'init' }; } } else if (token.type === Token.EOF || token.type === Token.Punctuator) { throwUnexpected(token); } else { key = parseObjectPropertyKey(); expect(':'); return { type: Syntax.Property, key: key, value: parseAssignmentExpression(), kind: 'init' }; } } function parseObjectInitialiser() { var properties = [], property, name, kind, map = {}, toString = String; expect('{'); while (!match('}')) { property = parseObjectProperty(); if (property.key.type === Syntax.Identifier) { name = property.key.name; } else { name = toString(property.key.value); } kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set; if (Object.prototype.hasOwnProperty.call(map, name)) { if (map[name] === PropertyKind.Data) { if (strict && kind === PropertyKind.Data) { throwErrorTolerant({}, Messages.StrictDuplicateProperty); } else if (kind !== PropertyKind.Data) { throwErrorTolerant({}, Messages.AccessorDataProperty); } } else { if (kind === PropertyKind.Data) { throwErrorTolerant({}, Messages.AccessorDataProperty); } else if (map[name] & kind) { throwErrorTolerant({}, Messages.AccessorGetSet); } } map[name] |= kind; } else { map[name] = kind; } properties.push(property); if (!match('}')) { expect(','); } } expect('}'); return { type: Syntax.ObjectExpression, properties: properties }; } // 11.1.6 The Grouping Operator function parseGroupExpression() { var expr; expect('('); expr = parseExpression(); expect(')'); return expr; } // 11.1 Primary Expressions function parsePrimaryExpression() { var token = lookahead(), type = token.type; if (type === Token.Identifier) { return { type: Syntax.Identifier, name: lex().value }; } if (type === Token.StringLiteral || type === Token.NumericLiteral) { if (strict && token.octal) { throwErrorTolerant(token, Messages.StrictOctalLiteral); } return createLiteral(lex()); } if (type === Token.Keyword) { if (matchKeyword('this')) { lex(); return { type: Syntax.ThisExpression }; } if (matchKeyword('function')) { return parseFunctionExpression(); } } if (type === Token.BooleanLiteral) { lex(); token.value = (token.value === 'true'); return createLiteral(token); } if (type === Token.NullLiteral) { lex(); token.value = null; return createLiteral(token); } if (match('[')) { return parseArrayInitialiser(); } if (match('{')) { return parseObjectInitialiser(); } if (match('(')) { return parseGroupExpression(); } if (match('/') || match('/=')) { return createLiteral(scanRegExp()); } return throwUnexpected(lex()); } // 11.2 Left-Hand-Side Expressions function parseArguments() { var args = []; expect('('); if (!match(')')) { while (index < length) { args.push(parseAssignmentExpression()); if (match(')')) { break; } expect(','); } } expect(')'); return args; } function parseNonComputedProperty() { var token = lex(); if (!isIdentifierName(token)) { throwUnexpected(token); } return { type: Syntax.Identifier, name: token.value }; } function parseNonComputedMember() { expect('.'); return parseNonComputedProperty(); } function parseComputedMember() { var expr; expect('['); expr = parseExpression(); expect(']'); return expr; } function parseNewExpression() { var expr; expectKeyword('new'); expr = { type: Syntax.NewExpression, callee: parseLeftHandSideExpression(), 'arguments': [] }; if (match('(')) { expr['arguments'] = parseArguments(); } return expr; } function parseLeftHandSideExpressionAllowCall() { var expr; expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); while (match('.') || match('[') || match('(')) { if (match('(')) { expr = { type: Syntax.CallExpression, callee: expr, 'arguments': parseArguments() }; } else if (match('[')) { expr = { type: Syntax.MemberExpression, computed: true, object: expr, property: parseComputedMember() }; } else { expr = { type: Syntax.MemberExpression, computed: false, object: expr, property: parseNonComputedMember() }; } } return expr; } function parseLeftHandSideExpression() { var expr; expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); while (match('.') || match('[')) { if (match('[')) { expr = { type: Syntax.MemberExpression, computed: true, object: expr, property: parseComputedMember() }; } else { expr = { type: Syntax.MemberExpression, computed: false, object: expr, property: parseNonComputedMember() }; } } return expr; } // 11.3 Postfix Expressions function parsePostfixExpression() { var expr = parseLeftHandSideExpressionAllowCall(), token; token = lookahead(); if (token.type !== Token.Punctuator) { return expr; } if ((match('++') || match('--')) && !peekLineTerminator()) { // 11.3.1, 11.3.2 if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { throwErrorTolerant({}, Messages.StrictLHSPostfix); } if (!isLeftHandSide(expr)) { throwErrorTolerant({}, Messages.InvalidLHSInAssignment); } expr = { type: Syntax.UpdateExpression, operator: lex().value, argument: expr, prefix: false }; } return expr; } // 11.4 Unary Operators function parseUnaryExpression() { var token, expr; token = lookahead(); if (token.type !== Token.Punctuator && token.type !== Token.Keyword) { return parsePostfixExpression(); } if (match('++') || match('--')) { token = lex(); expr = parseUnaryExpression(); // 11.4.4, 11.4.5 if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { throwErrorTolerant({}, Messages.StrictLHSPrefix); } if (!isLeftHandSide(expr)) { throwErrorTolerant({}, Messages.InvalidLHSInAssignment); } expr = { type: Syntax.UpdateExpression, operator: token.value, argument: expr, prefix: true }; return expr; } if (match('+') || match('-') || match('~') || match('!')) { expr = { type: Syntax.UnaryExpression, operator: lex().value, argument: parseUnaryExpression(), prefix: true }; return expr; } if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) { expr = { type: Syntax.UnaryExpression, operator: lex().value, argument: parseUnaryExpression(), prefix: true }; if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) { throwErrorTolerant({}, Messages.StrictDelete); } return expr; } return parsePostfixExpression(); } // 11.5 Multiplicative Operators function parseMultiplicativeExpression() { var expr = parseUnaryExpression(); while (match('*') || match('/') || match('%')) { expr = { type: Syntax.BinaryExpression, operator: lex().value, left: expr, right: parseUnaryExpression() }; } return expr; } // 11.6 Additive Operators function parseAdditiveExpression() { var expr = parseMultiplicativeExpression(); while (match('+') || match('-')) { expr = { type: Syntax.BinaryExpression, operator: lex().value, left: expr, right: parseMultiplicativeExpression() }; } return expr; } // 11.7 Bitwise Shift Operators function parseShiftExpression() { var expr = parseAdditiveExpression(); while (match('<<') || match('>>') || match('>>>')) { expr = { type: Syntax.BinaryExpression, operator: lex().value, left: expr, right: parseAdditiveExpression() }; } return expr; } // 11.8 Relational Operators function parseRelationalExpression() { var expr, previousAllowIn; previousAllowIn = state.allowIn; state.allowIn = true; expr = parseShiftExpression(); while (match('<') || match('>') || match('<=') || match('>=') || (previousAllowIn && matchKeyword('in')) || matchKeyword('instanceof')) { expr = { type: Syntax.BinaryExpression, operator: lex().value, left: expr, right: parseShiftExpression() }; } state.allowIn = previousAllowIn; return expr; } // 11.9 Equality Operators function parseEqualityExpression() { var expr = parseRelationalExpression(); while (match('==') || match('!=') || match('===') || match('!==')) { expr = { type: Syntax.BinaryExpression, operator: lex().value, left: expr, right: parseRelationalExpression() }; } return expr; } // 11.10 Binary Bitwise Operators function parseBitwiseANDExpression() { var expr = parseEqualityExpression(); while (match('&')) { lex(); expr = { type: Syntax.BinaryExpression, operator: '&', left: expr, right: parseEqualityExpression() }; } return expr; } function parseBitwiseXORExpression() { var expr = parseBitwiseANDExpression(); while (match('^')) { lex(); expr = { type: Syntax.BinaryExpression, operator: '^', left: expr, right: parseBitwiseANDExpression() }; } return expr; } function parseBitwiseORExpression() { var expr = parseBitwiseXORExpression(); while (match('|')) { lex(); expr = { type: Syntax.BinaryExpression, operator: '|', left: expr, right: parseBitwiseXORExpression() }; } return expr; } // 11.11 Binary Logical Operators function parseLogicalANDExpression() { var expr = parseBitwiseORExpression(); while (match('&&')) { lex(); expr = { type: Syntax.LogicalExpression, operator: '&&', left: expr, right: parseBitwiseORExpression() }; } return expr; } function parseLogicalORExpression() { var expr = parseLogicalANDExpression(); while (match('||')) { lex(); expr = { type: Syntax.LogicalExpression, operator: '||', left: expr, right: parseLogicalANDExpression() }; } return expr; } // 11.12 Conditional Operator function parseConditionalExpression() { var expr, previousAllowIn, consequent; expr = parseLogicalORExpression(); if (match('?')) { lex(); previousAllowIn = state.allowIn; state.allowIn = true; consequent = parseAssignmentExpression(); state.allowIn = previousAllowIn; expect(':'); expr = { type: Syntax.ConditionalExpression, test: expr, consequent: consequent, alternate: parseAssignmentExpression() }; } return expr; } // 11.13 Assignment Operators function parseAssignmentExpression() { var token, expr; token = lookahead(); expr = parseConditionalExpression(); if (matchAssign()) { // LeftHandSideExpression if (!isLeftHandSide(expr)) { throwErrorTolerant({}, Messages.InvalidLHSInAssignment); } // 11.13.1 if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) { throwErrorTolerant(token, Messages.StrictLHSAssignment); } expr = { type: Syntax.AssignmentExpression, operator: lex().value, left: expr, right: parseAssignmentExpression() }; } return expr; } // 11.14 Comma Operator function parseExpression() { var expr = parseAssignmentExpression(); if (match(',')) { expr = { type: Syntax.SequenceExpression, expressions: [ expr ] }; while (index < length) { if (!match(',')) { break; } lex(); expr.expressions.push(parseAssignmentExpression()); } } return expr; } // 12.1 Block function parseStatementList() { var list = [], statement; while (index < length) { if (match('}')) { break; } statement = parseSourceElement(); if (typeof statement === 'undefined') { break; } list.push(statement); } return list; } function parseBlock() { var block; expect('{'); block = parseStatementList(); expect('}'); return { type: Syntax.BlockStatement, body: block }; } // 12.2 Variable Statement function parseVariableIdentifier() { var token = lex(); if (token.type !== Token.Identifier) { throwUnexpected(token); } return { type: Syntax.Identifier, name: token.value }; } function parseVariableDeclaration(kind) { var id = parseVariableIdentifier(), init = null; // 12.2.1 if (strict && isRestrictedWord(id.name)) { throwErrorTolerant({}, Messages.StrictVarName); } if (kind === 'const') { expect('='); init = parseAssignmentExpression(); } else if (match('=')) { lex(); init = parseAssignmentExpression(); } return { type: Syntax.VariableDeclarator, id: id, init: init }; } function parseVariableDeclarationList(kind) { var list = []; do { list.push(parseVariableDeclaration(kind)); if (!match(',')) { break; } lex(); } while (index < length); return list; } function parseVariableStatement() { var declarations; expectKeyword('var'); declarations = parseVariableDeclarationList(); consumeSemicolon(); return { type: Syntax.VariableDeclaration, declarations: declarations, kind: 'var' }; } // kind may be `const` or `let` // Both are experimental and not in the specification yet. // see http://wiki.ecmascript.org/doku.php?id=harmony:const // and http://wiki.ecmascript.org/doku.php?id=harmony:let function parseConstLetDeclaration(kind) { var declarations; expectKeyword(kind); declarations = parseVariableDeclarationList(kind); consumeSemicolon(); return { type: Syntax.VariableDeclaration, declarations: declarations, kind: kind }; } // 12.3 Empty Statement function parseEmptyStatement() { expect(';'); return { type: Syntax.EmptyStatement }; } // 12.4 Expression Statement function parseExpressionStatement() { var expr = parseExpression(); consumeSemicolon(); return { type: Syntax.ExpressionStatement, expression: expr }; } // 12.5 If statement function parseIfStatement() { var test, consequent, alternate; expectKeyword('if'); expect('('); test = parseExpression(); expect(')'); consequent = parseStatement(); if (matchKeyword('else')) { lex(); alternate = parseStatement(); } else { alternate = null; } return { type: Syntax.IfStatement, test: test, consequent: consequent, alternate: alternate }; } // 12.6 Iteration Statements function parseDoWhileStatement() { var body, test, oldInIteration; expectKeyword('do'); oldInIteration = state.inIteration; state.inIteration = true; body = parseStatement(); state.inIteration = oldInIteration; expectKeyword('while'); expect('('); test = parseExpression(); expect(')'); if (match(';')) { lex(); } return { type: Syntax.DoWhileStatement, body: body, test: test }; } function parseWhileStatement() { var test, body, oldInIteration; expectKeyword('while'); expect('('); test = parseExpression(); expect(')'); oldInIteration = state.inIteration; state.inIteration = true; body = parseStatement(); state.inIteration = oldInIteration; return { type: Syntax.WhileStatement, test: test, body: body }; } function parseForVariableDeclaration() { var token = lex(); return { type: Syntax.VariableDeclaration, declarations: parseVariableDeclarationList(), kind: token.value }; } function parseForStatement() { var init, test, update, left, right, body, oldInIteration; init = test = update = null; expectKeyword('for'); expect('('); if (match(';')) { lex(); } else { if (matchKeyword('var') || matchKeyword('let')) { state.allowIn = false; init = parseForVariableDeclaration(); state.allowIn = true; if (init.declarations.length === 1 && matchKeyword('in')) { lex(); left = init; right = parseExpression(); init = null; } } else { state.allowIn = false; init = parseExpression(); state.allowIn = true; if (matchKeyword('in')) { // LeftHandSideExpression if (!isLeftHandSide(init)) { throwErrorTolerant({}, Messages.InvalidLHSInForIn); } lex(); left = init; right = parseExpression(); init = null; } } if (typeof left === 'undefined') { expect(';'); } } if (typeof left === 'undefined') { if (!match(';')) { test = parseExpression(); } expect(';'); if (!match(')')) { update = parseExpression(); } } expect(')'); oldInIteration = state.inIteration; state.inIteration = true; body = parseStatement(); state.inIteration = oldInIteration; if (typeof left === 'undefined') { return { type: Syntax.ForStatement, init: init, test: test, update: update, body: body }; } return { type: Syntax.ForInStatement, left: left, right: right, body: body, each: false }; } // 12.7 The continue statement function parseContinueStatement() { var token, label = null; expectKeyword('continue'); // Optimize the most common form: 'continue;'. if (source[index] === ';') { lex(); if (!state.inIteration) { throwError({}, Messages.IllegalContinue); } return { type: Syntax.ContinueStatement, label: null }; } if (peekLineTerminator()) { if (!state.inIteration) { throwError({}, Messages.IllegalContinue); } return { type: Syntax.ContinueStatement, label: null }; } token = lookahead(); if (token.type === Token.Identifier) { label = parseVariableIdentifier(); if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) { throwError({}, Messages.UnknownLabel, label.name); } } consumeSemicolon(); if (label === null && !state.inIteration) { throwError({}, Messages.IllegalContinue); } return { type: Syntax.ContinueStatement, label: label }; } // 12.8 The break statement function parseBreakStatement() { var token, label = null; expectKeyword('break'); // Optimize the most common form: 'break;'. if (source[index] === ';') { lex(); if (!(state.inIteration || state.inSwitch)) { throwError({}, Messages.IllegalBreak); } return { type: Syntax.BreakStatement, label: null }; } if (peekLineTerminator()) { if (!(state.inIteration || state.inSwitch)) { throwError({}, Messages.IllegalBreak); } return { type: Syntax.BreakStatement, label: null }; } token = lookahead(); if (token.type === Token.Identifier) { label = parseVariableIdentifier(); if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) { throwError({}, Messages.UnknownLabel, label.name); } } consumeSemicolon(); if (label === null && !(state.inIteration || state.inSwitch)) { throwError({}, Messages.IllegalBreak); } return { type: Syntax.BreakStatement, label: label }; } // 12.9 The return statement function parseReturnStatement() { var token, argument = null; expectKeyword('return'); if (!state.inFunctionBody) { throwErrorTolerant({}, Messages.IllegalReturn); } // 'return' followed by a space and an identifier is very common. if (source[index] === ' ') { if (isIdentifierStart(source[index + 1])) { argument = parseExpression(); consumeSemicolon(); return { type: Syntax.ReturnStatement, argument: argument }; } } if (peekLineTerminator()) { return { type: Syntax.ReturnStatement, argument: null }; } if (!match(';')) { token = lookahead(); if (!match('}') && token.type !== Token.EOF) { argument = parseExpression(); } } consumeSemicolon(); return { type: Syntax.ReturnStatement, argument: argument }; } // 12.10 The with statement function parseWithStatement() { var object, body; if (strict) { throwErrorTolerant({}, Messages.StrictModeWith); } expectKeyword('with'); expect('('); object = parseExpression(); expect(')'); body = parseStatement(); return { type: Syntax.WithStatement, object: object, body: body }; } // 12.10 The swith statement function parseSwitchCase() { var test, consequent = [], statement; if (matchKeyword('default')) { lex(); test = null; } else { expectKeyword('case'); test = parseExpression(); } expect(':'); while (index < length) { if (match('}') || matchKeyword('default') || matchKeyword('case')) { break; } statement = parseStatement(); if (typeof statement === 'undefined') { break; } consequent.push(statement); } return { type: Syntax.SwitchCase, test: test, consequent: consequent }; } function parseSwitchStatement() { var discriminant, cases, clause, oldInSwitch, defaultFound; expectKeyword('switch'); expect('('); discriminant = parseExpression(); expect(')'); expect('{'); cases = []; if (match('}')) { lex(); return { type: Syntax.SwitchStatement, discriminant: discriminant, cases: cases }; } oldInSwitch = state.inSwitch; state.inSwitch = true; defaultFound = false; while (index < length) { if (match('}')) { break; } clause = parseSwitchCase(); if (clause.test === null) { if (defaultFound) { throwError({}, Messages.MultipleDefaultsInSwitch); } defaultFound = true; } cases.push(clause); } state.inSwitch = oldInSwitch; expect('}'); return { type: Syntax.SwitchStatement, discriminant: discriminant, cases: cases }; } // 12.13 The throw statement function parseThrowStatement() { var argument; expectKeyword('throw'); if (peekLineTerminator()) { throwError({}, Messages.NewlineAfterThrow); } argument = parseExpression(); consumeSemicolon(); return { type: Syntax.ThrowStatement, argument: argument }; } // 12.14 The try statement function parseCatchClause() { var param; expectKeyword('catch'); expect('('); if (match(')')) { throwUnexpected(lookahead()); } param = parseVariableIdentifier(); // 12.14.1 if (strict && isRestrictedWord(param.name)) { throwErrorTolerant({}, Messages.StrictCatchVariable); } expect(')'); return { type: Syntax.CatchClause, param: param, body: parseBlock() }; } function parseTryStatement() { var block, handlers = [], finalizer = null; expectKeyword('try'); block = parseBlock(); if (matchKeyword('catch')) { handlers.push(parseCatchClause()); } if (matchKeyword('finally')) { lex(); finalizer = parseBlock(); } if (handlers.length === 0 && !finalizer) { throwError({}, Messages.NoCatchOrFinally); } return { type: Syntax.TryStatement, block: block, guardedHandlers: [], handlers: handlers, finalizer: finalizer }; } // 12.15 The debugger statement function parseDebuggerStatement() { expectKeyword('debugger'); consumeSemicolon(); return { type: Syntax.DebuggerStatement }; } // 12 Statements function parseStatement() { var token = lookahead(), expr, labeledBody; if (token.type === Token.EOF) { throwUnexpected(token); } if (token.type === Token.Punctuator) { switch (token.value) { case ';': return parseEmptyStatement(); case '{': return parseBlock(); case '(': return parseExpressionStatement(); default: break; } } if (token.type === Token.Keyword) { switch (token.value) { case 'break': return parseBreakStatement(); case 'continue': return parseContinueStatement(); case 'debugger': return parseDebuggerStatement(); case 'do': return parseDoWhileStatement(); case 'for': return parseForStatement(); case 'function': return parseFunctionDeclaration(); case 'if': return parseIfStatement(); case 'return': return parseReturnStatement(); case 'switch': return parseSwitchStatement(); case 'throw': return parseThrowStatement(); case 'try': return parseTryStatement(); case 'var': return parseVariableStatement(); case 'while': return parseWhileStatement(); case 'with': return parseWithStatement(); default: break; } } expr = parseExpression(); // 12.12 Labelled Statements if ((expr.type === Syntax.Identifier) && match(':')) { lex(); if (Object.prototype.hasOwnProperty.call(state.labelSet, expr.name)) { throwError({}, Messages.Redeclaration, 'Label', expr.name); } state.labelSet[expr.name] = true; labeledBody = parseStatement(); delete state.labelSet[expr.name]; return { type: Syntax.LabeledStatement, label: expr, body: labeledBody }; } consumeSemicolon(); return { type: Syntax.ExpressionStatement, expression: expr }; } // 13 Function Definition function parseFunctionSourceElements() { var sourceElement, sourceElements = [], token, directive, firstRestricted, oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody; expect('{'); while (index < length) { token = lookahead(); if (token.type !== Token.StringLiteral) { break; } sourceElement = parseSourceElement(); sourceElements.push(sourceElement); if (sourceElement.expression.type !== Syntax.Literal) { // this is not directive break; } directive = sliceSource(token.range[0] + 1, token.range[1] - 1); if (directive === 'use strict') { strict = true; if (firstRestricted) { throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); } } else { if (!firstRestricted && token.octal) { firstRestricted = token; } } } oldLabelSet = state.labelSet; oldInIteration = state.inIteration; oldInSwitch = state.inSwitch; oldInFunctionBody = state.inFunctionBody; state.labelSet = {}; state.inIteration = false; state.inSwitch = false; state.inFunctionBody = true; while (index < length) { if (match('}')) { break; } sourceElement = parseSourceElement(); if (typeof sourceElement === 'undefined') { break; } sourceElements.push(sourceElement); } expect('}'); state.labelSet = oldLabelSet; state.inIteration = oldInIteration; state.inSwitch = oldInSwitch; state.inFunctionBody = oldInFunctionBody; return { type: Syntax.BlockStatement, body: sourceElements }; } function parseFunctionDeclaration() { var id, param, params = [], body, token, stricted, firstRestricted, message, previousStrict, paramSet; expectKeyword('function'); token = lookahead(); id = parseVariableIdentifier(); if (strict) { if (isRestrictedWord(token.value)) { throwErrorTolerant(token, Messages.StrictFunctionName); } } else { if (isRestrictedWord(token.value)) { firstRestricted = token; message = Messages.StrictFunctionName; } else if (isStrictModeReservedWord(token.value)) { firstRestricted = token; message = Messages.StrictReservedWord; } } expect('('); if (!match(')')) { paramSet = {}; while (index < length) { token = lookahead(); param = parseVariableIdentifier(); if (strict) { if (isRestrictedWord(token.value)) { stricted = token; message = Messages.StrictParamName; } if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) { stricted = token; message = Messages.StrictParamDupe; } } else if (!firstRestricted) { if (isRestrictedWord(token.value)) { firstRestricted = token; message = Messages.StrictParamName; } else if (isStrictModeReservedWord(token.value)) { firstRestricted = token; message = Messages.StrictReservedWord; } else if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) { firstRestricted = token; message = Messages.StrictParamDupe; } } params.push(param); paramSet[param.name] = true; if (match(')')) { break; } expect(','); } } expect(')'); previousStrict = strict; body = parseFunctionSourceElements(); if (strict && firstRestricted) { throwError(firstRestricted, message); } if (strict && stricted) { throwErrorTolerant(stricted, message); } strict = previousStrict; return { type: Syntax.FunctionDeclaration, id: id, params: params, defaults: [], body: body, rest: null, generator: false, expression: false }; } function parseFunctionExpression() { var token, id = null, stricted, firstRestricted, message, param, params = [], body, previousStrict, paramSet; expectKeyword('function'); if (!match('(')) { token = lookahead(); id = parseVariableIdentifier(); if (strict) { if (isRestrictedWord(token.value)) { throwErrorTolerant(token, Messages.StrictFunctionName); } } else { if (isRestrictedWord(token.value)) { firstRestricted = token; message = Messages.StrictFunctionName; } else if (isStrictModeReservedWord(token.value)) { firstRestricted = token; message = Messages.StrictReservedWord; } } } expect('('); if (!match(')')) { paramSet = {}; while (index < length) { token = lookahead(); param = parseVariableIdentifier(); if (strict) { if (isRestrictedWord(token.value)) { stricted = token; message = Messages.StrictParamName; } if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) { stricted = token; message = Messages.StrictParamDupe; } } else if (!firstRestricted) { if (isRestrictedWord(token.value)) { firstRestricted = token; message = Messages.StrictParamName; } else if (isStrictModeReservedWord(token.value)) { firstRestricted = token; message = Messages.StrictReservedWord; } else if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) { firstRestricted = token; message = Messages.StrictParamDupe; } } params.push(param); paramSet[param.name] = true; if (match(')')) { break; } expect(','); } } expect(')'); previousStrict = strict; body = parseFunctionSourceElements(); if (strict && firstRestricted) { throwError(firstRestricted, message); } if (strict && stricted) { throwErrorTolerant(stricted, message); } strict = previousStrict; return { type: Syntax.FunctionExpression, id: id, params: params, defaults: [], body: body, rest: null, generator: false, expression: false }; } // 14 Program function parseSourceElement() { var token = lookahead(); if (token.type === Token.Keyword) { switch (token.value) { case 'const': case 'let': return parseConstLetDeclaration(token.value); case 'function': return parseFunctionDeclaration(); default: return parseStatement(); } } if (token.type !== Token.EOF) { return parseStatement(); } } function parseSourceElements() { var sourceElement, sourceElements = [], token, directive, firstRestricted; while (index < length) { token = lookahead(); if (token.type !== Token.StringLiteral) { break; } sourceElement = parseSourceElement(); sourceElements.push(sourceElement); if (sourceElement.expression.type !== Syntax.Literal) { // this is not directive break; } directive = sliceSource(token.range[0] + 1, token.range[1] - 1); if (directive === 'use strict') { strict = true; if (firstRestricted) { throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral); } } else { if (!firstRestricted && token.octal) { firstRestricted = token; } } } while (index < length) { sourceElement = parseSourceElement(); if (typeof sourceElement === 'undefined') { break; } sourceElements.push(sourceElement); } return sourceElements; } function parseProgram() { var program; strict = false; program = { type: Syntax.Program, body: parseSourceElements() }; return program; } // The following functions are needed only when the option to preserve // the comments is active. function addComment(type, value, start, end, loc) { assert(typeof start === 'number', 'Comment must have valid position'); // Because the way the actual token is scanned, often the comments // (if any) are skipped twice during the lexical analysis. // Thus, we need to skip adding a comment if the comment array already // handled it. if (extra.comments.length > 0) { if (extra.comments[extra.comments.length - 1].range[1] > start) { return; } } extra.comments.push({ type: type, value: value, range: [start, end], loc: loc }); } function scanComment() { var comment, ch, loc, start, blockComment, lineComment; comment = ''; blockComment = false; lineComment = false; while (index < length) { ch = source[index]; if (lineComment) { ch = source[index++]; if (isLineTerminator(ch)) { loc.end = { line: lineNumber, column: index - lineStart - 1 }; lineComment = false; addComment('Line', comment, start, index - 1, loc); if (ch === '\r' && source[index] === '\n') { ++index; } ++lineNumber; lineStart = index; comment = ''; } else if (index >= length) { lineComment = false; comment += ch; loc.end = { line: lineNumber, column: length - lineStart }; addComment('Line', comment, start, length, loc); } else { comment += ch; } } else if (blockComment) { if (isLineTerminator(ch)) { if (ch === '\r' && source[index + 1] === '\n') { ++index; comment += '\r\n'; } else { comment += ch; } ++lineNumber; ++index; lineStart = index; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } else { ch = source[index++]; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } comment += ch; if (ch === '*') { ch = source[index]; if (ch === '/') { comment = comment.substr(0, comment.length - 1); blockComment = false; ++index; loc.end = { line: lineNumber, column: index - lineStart }; addComment('Block', comment, start, index, loc); comment = ''; } } } } else if (ch === '/') { ch = source[index + 1]; if (ch === '/') { loc = { start: { line: lineNumber, column: index - lineStart } }; start = index; index += 2; lineComment = true; if (index >= length) { loc.end = { line: lineNumber, column: index - lineStart }; lineComment = false; addComment('Line', comment, start, index, loc); } } else if (ch === '*') { start = index; index += 2; blockComment = true; loc = { start: { line: lineNumber, column: index - lineStart - 2 } }; if (index >= length) { throwError({}, Messages.UnexpectedToken, 'ILLEGAL'); } } else { break; } } else if (isWhiteSpace(ch)) { ++index; } else if (isLineTerminator(ch)) { ++index; if (ch === '\r' && source[index] === '\n') { ++index; } ++lineNumber; lineStart = index; } else { break; } } } function filterCommentLocation() { var i, entry, comment, comments = []; for (i = 0; i < extra.comments.length; ++i) { entry = extra.comments[i]; comment = { type: entry.type, value: entry.value }; if (extra.range) { comment.range = entry.range; } if (extra.loc) { comment.loc = entry.loc; } comments.push(comment); } extra.comments = comments; } function collectToken() { var start, loc, token, range, value; skipComment(); start = index; loc = { start: { line: lineNumber, column: index - lineStart } }; token = extra.advance(); loc.end = { line: lineNumber, column: index - lineStart }; if (token.type !== Token.EOF) { range = [token.range[0], token.range[1]]; value = sliceSource(token.range[0], token.range[1]); extra.tokens.push({ type: TokenName[token.type], value: value, range: range, loc: loc }); } return token; } function collectRegex() { var pos, loc, regex, token; skipComment(); pos = index; loc = { start: { line: lineNumber, column: index - lineStart } }; regex = extra.scanRegExp(); loc.end = { line: lineNumber, column: index - lineStart }; // Pop the previous token, which is likely '/' or '/=' if (extra.tokens.length > 0) { token = extra.tokens[extra.tokens.length - 1]; if (token.range[0] === pos && token.type === 'Punctuator') { if (token.value === '/' || token.value === '/=') { extra.tokens.pop(); } } } extra.tokens.push({ type: 'RegularExpression', value: regex.literal, range: [pos, index], loc: loc }); return regex; } function filterTokenLocation() { var i, entry, token, tokens = []; for (i = 0; i < extra.tokens.length; ++i) { entry = extra.tokens[i]; token = { type: entry.type, value: entry.value }; if (extra.range) { token.range = entry.range; } if (extra.loc) { token.loc = entry.loc; } tokens.push(token); } extra.tokens = tokens; } function createLiteral(token) { return { type: Syntax.Literal, value: token.value }; } function createRawLiteral(token) { return { type: Syntax.Literal, value: token.value, raw: sliceSource(token.range[0], token.range[1]) }; } function createLocationMarker() { var marker = {}; marker.range = [index, index]; marker.loc = { start: { line: lineNumber, column: index - lineStart }, end: { line: lineNumber, column: index - lineStart } }; marker.end = function () { this.range[1] = index; this.loc.end.line = lineNumber; this.loc.end.column = index - lineStart; }; marker.applyGroup = function (node) { if (extra.range) { node.groupRange = [this.range[0], this.range[1]]; } if (extra.loc) { node.groupLoc = { start: { line: this.loc.start.line, column: this.loc.start.column }, end: { line: this.loc.end.line, column: this.loc.end.column } }; } }; marker.apply = function (node) { if (extra.range) { node.range = [this.range[0], this.range[1]]; } if (extra.loc) { node.loc = { start: { line: this.loc.start.line, column: this.loc.start.column }, end: { line: this.loc.end.line, column: this.loc.end.column } }; } }; return marker; } function trackGroupExpression() { var marker, expr; skipComment(); marker = createLocationMarker(); expect('('); expr = parseExpression(); expect(')'); marker.end(); marker.applyGroup(expr); return expr; } function trackLeftHandSideExpression() { var marker, expr; skipComment(); marker = createLocationMarker(); expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); while (match('.') || match('[')) { if (match('[')) { expr = { type: Syntax.MemberExpression, computed: true, object: expr, property: parseComputedMember() }; marker.end(); marker.apply(expr); } else { expr = { type: Syntax.MemberExpression, computed: false, object: expr, property: parseNonComputedMember() }; marker.end(); marker.apply(expr); } } return expr; } function trackLeftHandSideExpressionAllowCall() { var marker, expr; skipComment(); marker = createLocationMarker(); expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression(); while (match('.') || match('[') || match('(')) { if (match('(')) { expr = { type: Syntax.CallExpression, callee: expr, 'arguments': parseArguments() }; marker.end(); marker.apply(expr); } else if (match('[')) { expr = { type: Syntax.MemberExpression, computed: true, object: expr, property: parseComputedMember() }; marker.end(); marker.apply(expr); } else { expr = { type: Syntax.MemberExpression, computed: false, object: expr, property: parseNonComputedMember() }; marker.end(); marker.apply(expr); } } return expr; } function filterGroup(node) { var n, i, entry; n = (Object.prototype.toString.apply(node) === '[object Array]') ? [] : {}; for (i in node) { if (node.hasOwnProperty(i) && i !== 'groupRange' && i !== 'groupLoc') { entry = node[i]; if (entry === null || typeof entry !== 'object' || entry instanceof RegExp) { n[i] = entry; } else { n[i] = filterGroup(entry); } } } return n; } function wrapTrackingFunction(range, loc) { return function (parseFunction) { function isBinary(node) { return node.type === Syntax.LogicalExpression || node.type === Syntax.BinaryExpression; } function visit(node) { var start, end; if (isBinary(node.left)) { visit(node.left); } if (isBinary(node.right)) { visit(node.right); } if (range) { if (node.left.groupRange || node.right.groupRange) { start = node.left.groupRange ? node.left.groupRange[0] : node.left.range[0]; end = node.right.groupRange ? node.right.groupRange[1] : node.right.range[1]; node.range = [start, end]; } else if (typeof node.range === 'undefined') { start = node.left.range[0]; end = node.right.range[1]; node.range = [start, end]; } } if (loc) { if (node.left.groupLoc || node.right.groupLoc) { start = node.left.groupLoc ? node.left.groupLoc.start : node.left.loc.start; end = node.right.groupLoc ? node.right.groupLoc.end : node.right.loc.end; node.loc = { start: start, end: end }; } else if (typeof node.loc === 'undefined') { node.loc = { start: node.left.loc.start, end: node.right.loc.end }; } } } return function () { var marker, node; skipComment(); marker = createLocationMarker(); node = parseFunction.apply(null, arguments); marker.end(); if (range && typeof node.range === 'undefined') { marker.apply(node); } if (loc && typeof node.loc === 'undefined') { marker.apply(node); } if (isBinary(node)) { visit(node); } return node; }; }; } function patch() { var wrapTracking; if (extra.comments) { extra.skipComment = skipComment; skipComment = scanComment; } if (extra.raw) { extra.createLiteral = createLiteral; createLiteral = createRawLiteral; } if (extra.range || extra.loc) { extra.parseGroupExpression = parseGroupExpression; extra.parseLeftHandSideExpression = parseLeftHandSideExpression; extra.parseLeftHandSideExpressionAllowCall = parseLeftHandSideExpressionAllowCall; parseGroupExpression = trackGroupExpression; parseLeftHandSideExpression = trackLeftHandSideExpression; parseLeftHandSideExpressionAllowCall = trackLeftHandSideExpressionAllowCall; wrapTracking = wrapTrackingFunction(extra.range, extra.loc); extra.parseAdditiveExpression = parseAdditiveExpression; extra.parseAssignmentExpression = parseAssignmentExpression; extra.parseBitwiseANDExpression = parseBitwiseANDExpression; extra.parseBitwiseORExpression = parseBitwiseORExpression; extra.parseBitwiseXORExpression = parseBitwiseXORExpression; extra.parseBlock = parseBlock; extra.parseFunctionSourceElements = parseFunctionSourceElements; extra.parseCatchClause = parseCatchClause; extra.parseComputedMember = parseComputedMember; extra.parseConditionalExpression = parseConditionalExpression; extra.parseConstLetDeclaration = parseConstLetDeclaration; extra.parseEqualityExpression = parseEqualityExpression; extra.parseExpression = parseExpression; extra.parseForVariableDeclaration = parseForVariableDeclaration; extra.parseFunctionDeclaration = parseFunctionDeclaration; extra.parseFunctionExpression = parseFunctionExpression; extra.parseLogicalANDExpression = parseLogicalANDExpression; extra.parseLogicalORExpression = parseLogicalORExpression; extra.parseMultiplicativeExpression = parseMultiplicativeExpression; extra.parseNewExpression = parseNewExpression; extra.parseNonComputedProperty = parseNonComputedProperty; extra.parseObjectProperty = parseObjectProperty; extra.parseObjectPropertyKey = parseObjectPropertyKey; extra.parsePostfixExpression = parsePostfixExpression; extra.parsePrimaryExpression = parsePrimaryExpression; extra.parseProgram = parseProgram; extra.parsePropertyFunction = parsePropertyFunction; extra.parseRelationalExpression = parseRelationalExpression; extra.parseStatement = parseStatement; extra.parseShiftExpression = parseShiftExpression; extra.parseSwitchCase = parseSwitchCase; extra.parseUnaryExpression = parseUnaryExpression; extra.parseVariableDeclaration = parseVariableDeclaration; extra.parseVariableIdentifier = parseVariableIdentifier; parseAdditiveExpression = wrapTracking(extra.parseAdditiveExpression); parseAssignmentExpression = wrapTracking(extra.parseAssignmentExpression); parseBitwiseANDExpression = wrapTracking(extra.parseBitwiseANDExpression); parseBitwiseORExpression = wrapTracking(extra.parseBitwiseORExpression); parseBitwiseXORExpression = wrapTracking(extra.parseBitwiseXORExpression); parseBlock = wrapTracking(extra.parseBlock); parseFunctionSourceElements = wrapTracking(extra.parseFunctionSourceElements); parseCatchClause = wrapTracking(extra.parseCatchClause); parseComputedMember = wrapTracking(extra.parseComputedMember); parseConditionalExpression = wrapTracking(extra.parseConditionalExpression); parseConstLetDeclaration = wrapTracking(extra.parseConstLetDeclaration); parseEqualityExpression = wrapTracking(extra.parseEqualityExpression); parseExpression = wrapTracking(extra.parseExpression); parseForVariableDeclaration = wrapTracking(extra.parseForVariableDeclaration); parseFunctionDeclaration = wrapTracking(extra.parseFunctionDeclaration); parseFunctionExpression = wrapTracking(extra.parseFunctionExpression); parseLeftHandSideExpression = wrapTracking(parseLeftHandSideExpression); parseLogicalANDExpression = wrapTracking(extra.parseLogicalANDExpression); parseLogicalORExpression = wrapTracking(extra.parseLogicalORExpression); parseMultiplicativeExpression = wrapTracking(extra.parseMultiplicativeExpression); parseNewExpression = wrapTracking(extra.parseNewExpression); parseNonComputedProperty = wrapTracking(extra.parseNonComputedProperty); parseObjectProperty = wrapTracking(extra.parseObjectProperty); parseObjectPropertyKey = wrapTracking(extra.parseObjectPropertyKey); parsePostfixExpression = wrapTracking(extra.parsePostfixExpression); parsePrimaryExpression = wrapTracking(extra.parsePrimaryExpression); parseProgram = wrapTracking(extra.parseProgram); parsePropertyFunction = wrapTracking(extra.parsePropertyFunction); parseRelationalExpression = wrapTracking(extra.parseRelationalExpression); parseStatement = wrapTracking(extra.parseStatement); parseShiftExpression = wrapTracking(extra.parseShiftExpression); parseSwitchCase = wrapTracking(extra.parseSwitchCase); parseUnaryExpression = wrapTracking(extra.parseUnaryExpression); parseVariableDeclaration = wrapTracking(extra.parseVariableDeclaration); parseVariableIdentifier = wrapTracking(extra.parseVariableIdentifier); } if (typeof extra.tokens !== 'undefined') { extra.advance = advance; extra.scanRegExp = scanRegExp; advance = collectToken; scanRegExp = collectRegex; } } function unpatch() { if (typeof extra.skipComment === 'function') { skipComment = extra.skipComment; } if (extra.raw) { createLiteral = extra.createLiteral; } if (extra.range || extra.loc) { parseAdditiveExpression = extra.parseAdditiveExpression; parseAssignmentExpression = extra.parseAssignmentExpression; parseBitwiseANDExpression = extra.parseBitwiseANDExpression; parseBitwiseORExpression = extra.parseBitwiseORExpression; parseBitwiseXORExpression = extra.parseBitwiseXORExpression; parseBlock = extra.parseBlock; parseFunctionSourceElements = extra.parseFunctionSourceElements; parseCatchClause = extra.parseCatchClause; parseComputedMember = extra.parseComputedMember; parseConditionalExpression = extra.parseConditionalExpression; parseConstLetDeclaration = extra.parseConstLetDeclaration; parseEqualityExpression = extra.parseEqualityExpression; parseExpression = extra.parseExpression; parseForVariableDeclaration = extra.parseForVariableDeclaration; parseFunctionDeclaration = extra.parseFunctionDeclaration; parseFunctionExpression = extra.parseFunctionExpression; parseGroupExpression = extra.parseGroupExpression; parseLeftHandSideExpression = extra.parseLeftHandSideExpression; parseLeftHandSideExpressionAllowCall = extra.parseLeftHandSideExpressionAllowCall; parseLogicalANDExpression = extra.parseLogicalANDExpression; parseLogicalORExpression = extra.parseLogicalORExpression; parseMultiplicativeExpression = extra.parseMultiplicativeExpression; parseNewExpression = extra.parseNewExpression; parseNonComputedProperty = extra.parseNonComputedProperty; parseObjectProperty = extra.parseObjectProperty; parseObjectPropertyKey = extra.parseObjectPropertyKey; parsePrimaryExpression = extra.parsePrimaryExpression; parsePostfixExpression = extra.parsePostfixExpression; parseProgram = extra.parseProgram; parsePropertyFunction = extra.parsePropertyFunction; parseRelationalExpression = extra.parseRelationalExpression; parseStatement = extra.parseStatement; parseShiftExpression = extra.parseShiftExpression; parseSwitchCase = extra.parseSwitchCase; parseUnaryExpression = extra.parseUnaryExpression; parseVariableDeclaration = extra.parseVariableDeclaration; parseVariableIdentifier = extra.parseVariableIdentifier; } if (typeof extra.scanRegExp === 'function') { advance = extra.advance; scanRegExp = extra.scanRegExp; } } function stringToArray(str) { var length = str.length, result = [], i; for (i = 0; i < length; ++i) { result[i] = str.charAt(i); } return result; } function parse(code, options) { var program, toString; toString = String; if (typeof code !== 'string' && !(code instanceof String)) { code = toString(code); } source = code; index = 0; lineNumber = (source.length > 0) ? 1 : 0; lineStart = 0; length = source.length; buffer = null; state = { allowIn: true, labelSet: {}, inFunctionBody: false, inIteration: false, inSwitch: false }; extra = {}; if (typeof options !== 'undefined') { extra.range = (typeof options.range === 'boolean') && options.range; extra.loc = (typeof options.loc === 'boolean') && options.loc; extra.raw = (typeof options.raw === 'boolean') && options.raw; if (typeof options.tokens === 'boolean' && options.tokens) { extra.tokens = []; } if (typeof options.comment === 'boolean' && options.comment) { extra.comments = []; } if (typeof options.tolerant === 'boolean' && options.tolerant) { extra.errors = []; } } if (length > 0) { if (typeof source[0] === 'undefined') { // Try first to convert to a string. This is good as fast path // for old IE which understands string indexing for string // literals only and not for string object. if (code instanceof String) { source = code.valueOf(); } // Force accessing the characters via an array. if (typeof source[0] === 'undefined') { source = stringToArray(code); } } } patch(); try { program = parseProgram(); if (typeof extra.comments !== 'undefined') { filterCommentLocation(); program.comments = extra.comments; } if (typeof extra.tokens !== 'undefined') { filterTokenLocation(); program.tokens = extra.tokens; } if (typeof extra.errors !== 'undefined') { program.errors = extra.errors; } if (extra.range || extra.loc) { program.body = filterGroup(program.body); } } catch (e) { throw e; } finally { unpatch(); extra = {}; } return program; } // Sync with package.json. exports.version = '1.0.4'; exports.parse = parse; // Deep copy. exports.Syntax = (function () { var name, types = {}; if (typeof Object.create === 'function') { types = Object.create(null); } for (name in Syntax) { if (Syntax.hasOwnProperty(name)) { types[name] = Syntax[name]; } } if (typeof Object.freeze === 'function') { Object.freeze(types); } return types; }()); })); /* vim: set sw=4 ts=4 et tw=80 : */ },{}],6:[function(require,module,exports){ var parse = require('esprima').parse; var objectKeys = Object.keys || function (obj) { var keys = []; for (var key in obj) keys.push(key); return keys; }; var forEach = function (xs, fn) { if (xs.forEach) return xs.forEach(fn); for (var i = 0; i < xs.length; i++) { fn.call(xs, xs[i], i, xs); } }; var isArray = Array.isArray || function (xs) { return Object.prototype.toString.call(xs) === '[object Array]'; }; module.exports = function (src, opts, fn) { if (typeof opts === 'function') { fn = opts; opts = {}; } if (typeof src === 'object') { opts = src; src = opts.source; delete opts.source; } src = src === undefined ? opts.source : src; opts.range = true; if (typeof src !== 'string') src = String(src); var ast = parse(src, opts); var result = { chunks : src.split(''), toString : function () { return result.chunks.join('') }, inspect : function () { return result.toString() } }; var index = 0; (function walk (node, parent) { insertHelpers(node, parent, result.chunks); forEach(objectKeys(node), function (key) { if (key === 'parent') return; var child = node[key]; if (isArray(child)) { forEach(child, function (c) { if (c && typeof c.type === 'string') { walk(c, node); } }); } else if (child && typeof child.type === 'string') { insertHelpers(child, node, result.chunks); walk(child, node); } }); fn(node); })(ast, undefined); return result; }; function insertHelpers (node, parent, chunks) { if (!node.range) return; node.parent = parent; node.source = function () { return chunks.slice( node.range[0], node.range[1] ).join(''); }; if (node.update && typeof node.update === 'object') { var prev = node.update; forEach(objectKeys(prev), function (key) { update[key] = prev[key]; }); node.update = update; } else { node.update = update; } function update (s) { chunks[node.range[0]] = s; for (var i = node.range[0] + 1; i < node.range[1]; i++) { chunks[i] = ''; } }; } },{"esprima":5}],7:[function(require,module,exports){ module.exports = hasKeys function hasKeys(source) { return source !== null && (typeof source === "object" || typeof source === "function") } },{}],8:[function(require,module,exports){ var Keys = require("object-keys") var hasKeys = require("./has-keys") module.exports = extend function extend() { var target = {} for (var i = 0; i < arguments.length; i++) { var source = arguments[i] if (!hasKeys(source)) { continue } var keys = Keys(source) for (var j = 0; j < keys.length; j++) { var name = keys[j] target[name] = source[name] } } return target } },{"./has-keys":7,"object-keys":10}],9:[function(require,module,exports){ var hasOwn = Object.prototype.hasOwnProperty; var toString = Object.prototype.toString; var isFunction = function (fn) { var isFunc = (typeof fn === 'function' && !(fn instanceof RegExp)) || toString.call(fn) === '[object Function]'; if (!isFunc && typeof window !== 'undefined') { isFunc = fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt; } return isFunc; }; module.exports = function forEach(obj, fn) { if (!isFunction(fn)) { throw new TypeError('iterator must be a function'); } var i, k, isString = typeof obj === 'string', l = obj.length, context = arguments.length > 2 ? arguments[2] : null; if (l === +l) { for (i = 0; i < l; i++) { if (context === null) { fn(isString ? obj.charAt(i) : obj[i], i, obj); } else { fn.call(context, isString ? obj.charAt(i) : obj[i], i, obj); } } } else { for (k in obj) { if (hasOwn.call(obj, k)) { if (context === null) { fn(obj[k], k, obj); } else { fn.call(context, obj[k], k, obj); } } } } }; },{}],10:[function(require,module,exports){ module.exports = Object.keys || require('./shim'); },{"./shim":12}],11:[function(require,module,exports){ var toString = Object.prototype.toString; module.exports = function isArguments(value) { var str = toString.call(value); var isArguments = str === '[object Arguments]'; if (!isArguments) { isArguments = str !== '[object Array]' && value !== null && typeof value === 'object' && typeof value.length === 'number' && value.length >= 0 && toString.call(value.callee) === '[object Function]'; } return isArguments; }; },{}],12:[function(require,module,exports){ (function () { "use strict"; // modified from https://github.com/kriskowal/es5-shim var has = Object.prototype.hasOwnProperty, toString = Object.prototype.toString, forEach = require('./foreach'), isArgs = require('./isArguments'), hasDontEnumBug = !({'toString': null}).propertyIsEnumerable('toString'), hasProtoEnumBug = (function () {}).propertyIsEnumerable('prototype'), dontEnums = [ "toString", "toLocaleString", "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", "constructor" ], keysShim; keysShim = function keys(object) { var isObject = object !== null && typeof object === 'object', isFunction = toString.call(object) === '[object Function]', isArguments = isArgs(object), theKeys = []; if (!isObject && !isFunction && !isArguments) { throw new TypeError("Object.keys called on a non-object"); } if (isArguments) { forEach(object, function (value) { theKeys.push(value); }); } else { var name, skipProto = hasProtoEnumBug && isFunction; for (name in object) { if (!(skipProto && name === 'prototype') && has.call(object, name)) { theKeys.push(name); } } } if (hasDontEnumBug) { var ctor = object.constructor, skipConstructor = ctor && ctor.prototype === object; forEach(dontEnums, function (dontEnum) { if (!(skipConstructor && dontEnum === 'constructor') && has.call(object, dontEnum)) { theKeys.push(dontEnum); } }); } return theKeys; }; module.exports = keysShim; }()); },{"./foreach":9,"./isArguments":11}],13:[function(require,module,exports){ (function (global){ var inBrowser = typeof window !== 'undefined' && this === window; var parseAndModify = (inBrowser ? window.falafel : require("falafel")); (inBrowser ? window : exports).blanket = (function(){ var linesToAddTracking = [ "ExpressionStatement", "BreakStatement" , "ContinueStatement" , "VariableDeclaration", "ReturnStatement" , "ThrowStatement" , "TryStatement" , "FunctionDeclaration" , "IfStatement" , "WhileStatement" , "DoWhileStatement" , "ForStatement" , "ForInStatement" , "SwitchStatement" , "WithStatement" ], linesToAddBrackets = [ "IfStatement" , "WhileStatement" , "DoWhileStatement" , "ForStatement" , "ForInStatement" , "WithStatement" ], __blanket, copynumber = Math.floor(Math.random()*1000), coverageInfo = {},options = { reporter: null, adapter:null, filter: null, customVariable: null, loader: null, ignoreScriptError: false, existingRequireJS:false, autoStart: false, timeout: 180, ignoreCors: false, branchTracking: false, sourceURL: false, debug:false, engineOnly:false, testReadyCallback:null, commonJS:false, instrumentCache:false, modulePattern: null }; if (inBrowser && typeof window.blanket !== 'undefined'){ __blanket = window.blanket.noConflict(); } _blanket = { noConflict: function(){ if (__blanket){ return __blanket; } return _blanket; }, _getCopyNumber: function(){ //internal method //for differentiating between instances return copynumber; }, extend: function(obj) { //borrowed from underscore _blanket._extend(_blanket,obj); }, _extend: function(dest,source){ if (source) { for (var prop in source) { if ( dest[prop] instanceof Object && typeof dest[prop] !== "function"){ _blanket._extend(dest[prop],source[prop]); }else{ dest[prop] = source[prop]; } } } }, getCovVar: function(){ var opt = _blanket.options("customVariable"); if (opt){ if (_blanket.options("debug")) {console.log("BLANKET-Using custom tracking variable:",opt);} return inBrowser ? "window."+opt : opt; } return inBrowser ? "window._$blanket" : "_$jscoverage"; }, options: function(key,value){ if (typeof key !== "string"){ _blanket._extend(options,key); }else if (typeof value === 'undefined'){ return options[key]; }else{ options[key]=value; } }, instrument: function(config, next){ //check instrumented hash table, //return instrumented code if available. var inFile = config.inputFile, inFileName = config.inputFileName; //check instrument cache if (_blanket.options("instrumentCache") && sessionStorage && sessionStorage.getItem("blanket_instrument_store-"+inFileName)){ if (_blanket.options("debug")) {console.log("BLANKET-Reading instrumentation from cache: ",inFileName);} next(sessionStorage.getItem("blanket_instrument_store-"+inFileName)); }else{ var sourceArray = _blanket._prepareSource(inFile); _blanket._trackingArraySetup=[]; //remove shebang inFile = inFile.replace(/^\#\!.*/, ""); var instrumented = parseAndModify(inFile,{loc:true,comment:true}, _blanket._addTracking(inFileName)); instrumented = _blanket._trackingSetup(inFileName,sourceArray)+instrumented; if (_blanket.options("sourceURL")){ instrumented += "\n//@ sourceURL="+inFileName.replace("http://",""); } if (_blanket.options("debug")) {console.log("BLANKET-Instrumented file: ",inFileName);} if (_blanket.options("instrumentCache") && sessionStorage){ if (_blanket.options("debug")) {console.log("BLANKET-Saving instrumentation to cache: ",inFileName);} sessionStorage.setItem("blanket_instrument_store-"+inFileName,instrumented); } next(instrumented); } }, _trackingArraySetup: [], _branchingArraySetup: [], _prepareSource: function(source){ return source.replace(/\\/g,"\\\\").replace(/'/g,"\\'").replace(/(\r\n|\n|\r)/gm,"\n").split('\n'); }, _trackingSetup: function(filename,sourceArray){ var branches = _blanket.options("branchTracking"); var sourceString = sourceArray.join("',\n'"); var intro = ""; var covVar = _blanket.getCovVar(); intro += "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};\n"; if (branches){ intro += "var _$branchFcn=function(f,l,c,r){ "; intro += "if (!!r) { "; intro += covVar+"[f].branchData[l][c][0] = "+covVar+"[f].branchData[l][c][0] || [];"; intro += covVar+"[f].branchData[l][c][0].push(r); }"; intro += "else { "; intro += covVar+"[f].branchData[l][c][1] = "+covVar+"[f].branchData[l][c][1] || [];"; intro += covVar+"[f].branchData[l][c][1].push(r); }"; intro += "return r;};\n"; } intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){"; intro += covVar+"['"+filename+"']=[];\n"; if (branches){ intro += covVar+"['"+filename+"'].branchData=[];\n"; } intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];\n"; //initialize array values _blanket._trackingArraySetup.sort(function(a,b){ return parseInt(a,10) > parseInt(b,10); }).forEach(function(item){ intro += covVar+"['"+filename+"']["+item+"]=0;\n"; }); if (branches){ _blanket._branchingArraySetup.sort(function(a,b){ return a.line > b.line; }).sort(function(a,b){ return a.column > b.column; }).forEach(function(item){ if (item.file === filename){ intro += "if (typeof "+ covVar+"['"+filename+"'].branchData["+item.line+"] === 'undefined'){\n"; intro += covVar+"['"+filename+"'].branchData["+item.line+"]=[];\n"; intro += "}"; intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"] = [];\n"; intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"].consequent = "+JSON.stringify(item.consequent)+";\n"; intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"].alternate = "+JSON.stringify(item.alternate)+";\n"; } }); } intro += "}"; return intro; }, _blockifyIf: function(node){ if (linesToAddBrackets.indexOf(node.type) > -1){ var bracketsExistObject = node.consequent || node.body; var bracketsExistAlt = node.alternate; if( bracketsExistAlt && bracketsExistAlt.type !== "BlockStatement") { bracketsExistAlt.update("{\n"+bracketsExistAlt.source()+"}\n"); } if( bracketsExistObject && bracketsExistObject.type !== "BlockStatement") { bracketsExistObject.update("{\n"+bracketsExistObject.source()+"}\n"); } } }, _trackBranch: function(node,filename){ //recursive on consequent and alternative var line = node.loc.start.line; var col = node.loc.start.column; _blanket._branchingArraySetup.push({ line: line, column: col, file:filename, consequent: node.consequent.loc, alternate: node.alternate.loc }); var updated = "_$branchFcn"+ "('"+filename+"',"+line+","+col+","+node.test.source()+ ")?"+node.consequent.source()+":"+node.alternate.source(); node.update(updated); }, _addTracking: function (filename) { //falafel doesn't take a file name //so we include the filename in a closure //and return the function to falafel var covVar = _blanket.getCovVar(); return function(node){ _blanket._blockifyIf(node); if (linesToAddTracking.indexOf(node.type) > -1 && node.parent.type !== "LabeledStatement") { _blanket._checkDefs(node,filename); if (node.type === "VariableDeclaration" && (node.parent.type === "ForStatement" || node.parent.type === "ForInStatement")){ return; } if (node.loc && node.loc.start){ node.update(covVar+"['"+filename+"']["+node.loc.start.line+"]++;\n"+node.source()); _blanket._trackingArraySetup.push(node.loc.start.line); }else{ //I don't think we can handle a node with no location throw new Error("The instrumenter encountered a node with no location: "+Object.keys(node)); } }else if (_blanket.options("branchTracking") && node.type === "ConditionalExpression"){ _blanket._trackBranch(node,filename); } }; }, _checkDefs: function(node,filename){ // Make sure developers don't redefine window. if they do, inform them it is wrong. if (inBrowser){ if (node.type === "VariableDeclaration" && node.declarations) { node.declarations.forEach(function(declaration) { if (declaration.id.name === "window") { throw new Error("Instrumentation error, you cannot redefine the 'window' variable in " + filename + ":" + node.loc.start.line); } }); } if (node.type === "FunctionDeclaration" && node.params) { node.params.forEach(function(param) { if (param.name === "window") { throw new Error("Instrumentation error, you cannot redefine the 'window' variable in " + filename + ":" + node.loc.start.line); } }); } //Make sure developers don't redefine the coverage variable if (node.type === "ExpressionStatement" && node.expression && node.expression.left && node.expression.left.object && node.expression.left.property && node.expression.left.object.name + "." + node.expression.left.property.name === _blanket.getCovVar()) { throw new Error("Instrumentation error, you cannot redefine the coverage variable in " + filename + ":" + node.loc.start.line); } }else{ //Make sure developers don't redefine the coverage variable in node if (node.type === "ExpressionStatement" && node.expression && node.expression.left && !node.expression.left.object && !node.expression.left.property && node.expression.left.name === _blanket.getCovVar()) { throw new Error("Instrumentation error, you cannot redefine the coverage variable in " + filename + ":" + node.loc.start.line); } } }, setupCoverage: function(){ coverageInfo.instrumentation = "blanket"; coverageInfo.stats = { "suites": 0, "tests": 0, "passes": 0, "pending": 0, "failures": 0, "start": new Date() }; }, _checkIfSetup: function(){ if (!coverageInfo.stats){ throw new Error("You must call blanket.setupCoverage() first."); } }, onTestStart: function(){ if (_blanket.options("debug")) {console.log("BLANKET-Test event started");} this._checkIfSetup(); coverageInfo.stats.tests++; coverageInfo.stats.pending++; }, onTestDone: function(total,passed){ this._checkIfSetup(); if(passed === total){ coverageInfo.stats.passes++; }else{ coverageInfo.stats.failures++; } coverageInfo.stats.pending--; }, onModuleStart: function(){ this._checkIfSetup(); coverageInfo.stats.suites++; }, onTestsDone: function(){ if (_blanket.options("debug")) {console.log("BLANKET-Test event done");} this._checkIfSetup(); coverageInfo.stats.end = new Date(); if (inBrowser){ this.report(coverageInfo); }else{ if (!_blanket.options("branchTracking")){ delete (inBrowser ? window : global)[_blanket.getCovVar()].branchFcn; } this.options("reporter").call(this,coverageInfo); } } }; return _blanket; })(); }).call(this,typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"falafel":6}],14:[function(require,module,exports){ (function (process){ var extend = require("xtend"), path = require('path'), join = path.join; var blanketNode = function (userOptions,cli){ var fs = require("fs"), path = require("path"), configPath = process.cwd() + '/package.json', file = fs.existsSync(configPath) ? JSON.parse((fs.readFileSync(configPath, 'utf8')||{})) : null, packageConfigs; if (file){ var scripts = file.scripts, config = file.config; if (scripts && scripts.blanket){ console.warn("BLANKET-" + path + ": `scripts[\"blanket\"]` is deprecated. Please migrate to `config[\"blanket\"]`.\n"); packageConfigs = scripts.blanket; } else if (config && config.blanket){ packageConfigs = config.blanket; } } var blanketConfigs = packageConfigs ? extend(packageConfigs,userOptions) : userOptions, pattern = blanketConfigs ? blanketConfigs.pattern : "src", blanket = require("./blanket").blanket, oldLoader = require.extensions['.js'], newLoader; function escapeRegExp(str) { return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); } if (blanketConfigs){ var newOptions={}; Object.keys(blanketConfigs).forEach(function (option) { var optionValue = blanketConfigs[option]; if(option === "data-cover-only" || option === "pattern"){ newOptions.filter = optionValue; } if(option === "data-cover-never"){ newOptions.antifilter = optionValue; } if (option === "data-cover-loader" || option === "loader"){ newOptions.loader = optionValue; } if (option === "data-cover-timeout"){ newOptions.timeout = optionValue; } if (option === "onlyCwd" && !!optionValue){ newOptions.cwdRegex = new RegExp("^" + escapeRegExp(process.cwd()), "i"); } if (option === "data-cover-customVariable"){ newOptions.customVariable = optionValue; } if (option === "data-cover-flags"){ newOptions.order = !optionValue.unordered; newOptions.ignoreScriptError = !!optionValue.ignoreError; newOptions.autoStart = !!optionValue.autoStart; newOptions.branchTracking = !!optionValue.branchTracking; newOptions.debug = !!optionValue.debug; newOptions.engineOnly = !!optionValue.engineOnly; } if (option === "data-cover-reporter-options"){ newOptions.reporter_options = optionValue; } }); blanket.options(newOptions); } //helper functions blanket.normalizeBackslashes = function (str) { return str.replace(/\\/g, '/'); }; blanket.restoreNormalLoader = function () { if (!blanket.options("engineOnly")){ newLoader = require.extensions['.js']; require.extensions['.js'] = oldLoader; } }; blanket.restoreBlanketLoader = function () { if (!blanket.options("engineOnly")){ require.extensions['.js'] = newLoader; } }; //you can pass in a string, a regex, or an array of files blanket.matchPattern = function (filename,pattern){ var cwdRegex = blanket.options("cwdRegex"); if (cwdRegex && !cwdRegex.test(filename)){ return false; } if (typeof pattern === 'string'){ if (pattern.indexOf("[") === 0){ //treat as array var pattenArr = pattern.slice(1,pattern.length-1).split(","); return pattenArr.some(function(elem){ return blanket.matchPattern(filename,blanket.normalizeBackslashes(elem.slice(1,-1))); }); }else if ( pattern.indexOf("//") === 0){ var ex = pattern.slice(2,pattern.lastIndexOf('/')); var mods = pattern.slice(pattern.lastIndexOf('/')+1); var regex = new RegExp(ex,mods); return regex.test(filename); }else{ return filename.indexOf(blanket.normalizeBackslashes(pattern)) > -1; } }else if ( pattern instanceof Array ){ return pattern.some(function(elem){ return filename.indexOf(blanket.normalizeBackslashes(elem)) > -1; }); }else if (pattern instanceof RegExp){ return pattern.test(filename); }else if (typeof pattern === 'function'){ return pattern(filename); }else{ throw new Error("Bad file instrument indicator. Must be a string, regex, function, or array."); } }; if (!blanket.options("engineOnly")){ //instrument js files require.extensions['.js'] = function(localModule, filename) { var pattern = blanket.options("filter"), reporter_options = blanket.options("reporter_options"), originalFilename = filename; filename = blanket.normalizeBackslashes(filename); //we check the never matches first var antipattern = _blanket.options("antifilter"); if (typeof antipattern !== "undefined" && blanket.matchPattern(filename.replace(/\.js$/,""),antipattern) ){ oldLoader(localModule,filename); if (_blanket.options("debug")) {console.log("BLANKET-File will never be instrumented:"+filename);} }else if (blanket.matchPattern(filename,pattern)){ if (_blanket.options("debug")) {console.log("BLANKET-Attempting instrument of:"+filename);} var content = fs.readFileSync(filename, 'utf8'); if (reporter_options && reporter_options.shortnames){ filename = filename.replace(path.dirname(filename),""); } blanket.instrument({ inputFile: content, inputFileName: filename },function(instrumented){ var baseDirPath = blanket.normalizeBackslashes(path.dirname(filename))+'/.'; try{ instrumented = instrumented.replace(/require\s*\(\s*("|')\./g,'require($1'+baseDirPath); localModule._compile(instrumented, originalFilename); } catch(err){ if (_blanket.options("ignoreScriptError")){ //we can continue like normal if //we're ignoring script errors, //but otherwise we don't want //to completeLoad or the error might be //missed. if (_blanket.options("debug")) {console.log("BLANKET-There was an error loading the file:"+filename);} oldLoader(localModule,filename); }else{ throw new Error("BLANKET-Error parsing instrumented code: "+err); } } }); }else{ oldLoader(localModule, originalFilename); } }; } //if a loader is specified, use it if (blanket.options("loader")){ require(blanket.options("loader"))(blanket); } newLoader = require.extensions['.js']; return blanket; }; if ((process.env && process.env.BLANKET_COV===1) || (process.ENV && process.ENV.BLANKET_COV)){ module.exports = blanketNode({engineOnly:true},false); }else{ var args = process.argv; var requireArgPosition = args.indexOf('--require'); if (requireArgPosition === -1) { requireArgPosition = args.indexOf('-r'); } var blanketRequired = false; if (requireArgPosition && args[requireArgPosition + 1] && args[requireArgPosition + 1].match('blanket')) { blanketRequired = true; } if (args[0] === 'node' && args[1].indexOf(join('node_modules','mocha','bin')) > -1 && blanketRequired){ //using mocha cli module.exports = blanketNode(null,true); }else{ //not mocha cli module.exports = function(options){ //we don't want to expose the cli option. return blanketNode(options,false); }; } } }).call(this,require("1YiZ5S")) },{"./blanket":13,"1YiZ5S":96,"fs":90,"path":95,"xtend":8}],15:[function(require,module,exports){ module.exports = require('./lib/chai'); },{"./lib/chai":16}],16:[function(require,module,exports){ /*! * chai * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ var used = [] , exports = module.exports = {}; /*! * Chai version */ exports.version = '2.3.0'; /*! * Assertion Error */ exports.AssertionError = require('assertion-error'); /*! * Utils for plugins (not exported) */ var util = require('./chai/utils'); /** * # .use(function) * * Provides a way to extend the internals of Chai * * @param {Function} * @returns {this} for chaining * @api public */ exports.use = function (fn) { if (!~used.indexOf(fn)) { fn(this, util); used.push(fn); } return this; }; /*! * Utility Functions */ exports.util = util; /*! * Configuration */ var config = require('./chai/config'); exports.config = config; /*! * Primary `Assertion` prototype */ var assertion = require('./chai/assertion'); exports.use(assertion); /*! * Core Assertions */ var core = require('./chai/core/assertions'); exports.use(core); /*! * Expect interface */ var expect = require('./chai/interface/expect'); exports.use(expect); /*! * Should interface */ var should = require('./chai/interface/should'); exports.use(should); /*! * Assert interface */ var assert = require('./chai/interface/assert'); exports.use(assert); },{"./chai/assertion":17,"./chai/config":18,"./chai/core/assertions":19,"./chai/interface/assert":20,"./chai/interface/expect":21,"./chai/interface/should":22,"./chai/utils":35,"assertion-error":44}],17:[function(require,module,exports){ /*! * chai * http://chaijs.com * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ var config = require('./config'); module.exports = function (_chai, util) { /*! * Module dependencies. */ var AssertionError = _chai.AssertionError , flag = util.flag; /*! * Module export. */ _chai.Assertion = Assertion; /*! * Assertion Constructor * * Creates object for chaining. * * @api private */ function Assertion (obj, msg, stack) { flag(this, 'ssfi', stack || arguments.callee); flag(this, 'object', obj); flag(this, 'message', msg); } Object.defineProperty(Assertion, 'includeStack', { get: function() { console.warn('Assertion.includeStack is deprecated, use chai.config.includeStack instead.'); return config.includeStack; }, set: function(value) { console.warn('Assertion.includeStack is deprecated, use chai.config.includeStack instead.'); config.includeStack = value; } }); Object.defineProperty(Assertion, 'showDiff', { get: function() { console.warn('Assertion.showDiff is deprecated, use chai.config.showDiff instead.'); return config.showDiff; }, set: function(value) { console.warn('Assertion.showDiff is deprecated, use chai.config.showDiff instead.'); config.showDiff = value; } }); Assertion.addProperty = function (name, fn) { util.addProperty(this.prototype, name, fn); }; Assertion.addMethod = function (name, fn) { util.addMethod(this.prototype, name, fn); }; Assertion.addChainableMethod = function (name, fn, chainingBehavior) { util.addChainableMethod(this.prototype, name, fn, chainingBehavior); }; Assertion.overwriteProperty = function (name, fn) { util.overwriteProperty(this.prototype, name, fn); }; Assertion.overwriteMethod = function (name, fn) { util.overwriteMethod(this.prototype, name, fn); }; Assertion.overwriteChainableMethod = function (name, fn, chainingBehavior) { util.overwriteChainableMethod(this.prototype, name, fn, chainingBehavior); }; /*! * ### .assert(expression, message, negateMessage, expected, actual) * * Executes an expression and check expectations. Throws AssertionError for reporting if test doesn't pass. * * @name assert * @param {Philosophical} expression to be tested * @param {String or Function} message or function that returns message to display if expression fails * @param {String or Function} negatedMessage or function that returns negatedMessage to display if negated expression fails * @param {Mixed} expected value (remember to check for negation) * @param {Mixed} actual (optional) will default to `this.obj` * @param {Boolean} showDiff (optional) when set to `true`, assert will display a diff in addition to the message if expression fails * @api private */ Assertion.prototype.assert = function (expr, msg, negateMsg, expected, _actual, showDiff) { var ok = util.test(this, arguments); if (true !== showDiff) showDiff = false; if (true !== config.showDiff) showDiff = false; if (!ok) { var msg = util.getMessage(this, arguments) , actual = util.getActual(this, arguments); throw new AssertionError(msg, { actual: actual , expected: expected , showDiff: showDiff }, (config.includeStack) ? this.assert : flag(this, 'ssfi')); } }; /*! * ### ._obj * * Quick reference to stored `actual` value for plugin developers. * * @api private */ Object.defineProperty(Assertion.prototype, '_obj', { get: function () { return flag(this, 'object'); } , set: function (val) { flag(this, 'object', val); } }); }; },{"./config":18}],18:[function(require,module,exports){ module.exports = { /** * ### config.includeStack * * User configurable property, influences whether stack trace * is included in Assertion error message. Default of false * suppresses stack trace in the error message. * * chai.config.includeStack = true; // enable stack on error * * @param {Boolean} * @api public */ includeStack: false, /** * ### config.showDiff * * User configurable property, influences whether or not * the `showDiff` flag should be included in the thrown * AssertionErrors. `false` will always be `false`; `true` * will be true when the assertion has requested a diff * be shown. * * @param {Boolean} * @api public */ showDiff: true, /** * ### config.truncateThreshold * * User configurable property, sets length threshold for actual and * expected values in assertion errors. If this threshold is exceeded, for * example for large data structures, the value is replaced with something * like `[ Array(3) ]` or `{ Object (prop1, prop2) }`. * * Set it to zero if you want to disable truncating altogether. * * This is especially userful when doing assertions on arrays: having this * set to a reasonable large value makes the failure messages readily * inspectable. * * chai.config.truncateThreshold = 0; // disable truncating * * @param {Number} * @api public */ truncateThreshold: 40 }; },{}],19:[function(require,module,exports){ /*! * chai * http://chaijs.com * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ module.exports = function (chai, _) { var Assertion = chai.Assertion , toString = Object.prototype.toString , flag = _.flag; /** * ### Language Chains * * The following are provided as chainable getters to * improve the readability of your assertions. They * do not provide testing capabilities unless they * have been overwritten by a plugin. * * **Chains** * * - to * - be * - been * - is * - that * - which * - and * - has * - have * - with * - at * - of * - same * * @name language chains * @api public */ [ 'to', 'be', 'been' , 'is', 'and', 'has', 'have' , 'with', 'that', 'which', 'at' , 'of', 'same' ].forEach(function (chain) { Assertion.addProperty(chain, function () { return this; }); }); /** * ### .not * * Negates any of assertions following in the chain. * * expect(foo).to.not.equal('bar'); * expect(goodFn).to.not.throw(Error); * expect({ foo: 'baz' }).to.have.property('foo') * .and.not.equal('bar'); * * @name not * @api public */ Assertion.addProperty('not', function () { flag(this, 'negate', true); }); /** * ### .deep * * Sets the `deep` flag, later used by the `equal` and * `property` assertions. * * expect(foo).to.deep.equal({ bar: 'baz' }); * expect({ foo: { bar: { baz: 'quux' } } }) * .to.have.deep.property('foo.bar.baz', 'quux'); * * `.deep.property` special characters can be escaped * by adding two slashes before the `.` or `[]`. * * var deepCss = { '.link': { '[target]': 42 }}; * expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42); * * @name deep * @api public */ Assertion.addProperty('deep', function () { flag(this, 'deep', true); }); /** * ### .any * * Sets the `any` flag, (opposite of the `all` flag) * later used in the `keys` assertion. * * expect(foo).to.have.any.keys('bar', 'baz'); * * @name any * @api public */ Assertion.addProperty('any', function () { flag(this, 'any', true); flag(this, 'all', false) }); /** * ### .all * * Sets the `all` flag (opposite of the `any` flag) * later used by the `keys` assertion. * * expect(foo).to.have.all.keys('bar', 'baz'); * * @name all * @api public */ Assertion.addProperty('all', function () { flag(this, 'all', true); flag(this, 'any', false); }); /** * ### .a(type) * * The `a` and `an` assertions are aliases that can be * used either as language chains or to assert a value's * type. * * // typeof * expect('test').to.be.a('string'); * expect({ foo: 'bar' }).to.be.an('object'); * expect(null).to.be.a('null'); * expect(undefined).to.be.an('undefined'); * * // language chain * expect(foo).to.be.an.instanceof(Foo); * * @name a * @alias an * @param {String} type * @param {String} message _optional_ * @api public */ function an (type, msg) { if (msg) flag(this, 'message', msg); type = type.toLowerCase(); var obj = flag(this, 'object') , article = ~[ 'a', 'e', 'i', 'o', 'u' ].indexOf(type.charAt(0)) ? 'an ' : 'a '; this.assert( type === _.type(obj) , 'expected #{this} to be ' + article + type , 'expected #{this} not to be ' + article + type ); } Assertion.addChainableMethod('an', an); Assertion.addChainableMethod('a', an); /** * ### .include(value) * * The `include` and `contain` assertions can be used as either property * based language chains or as methods to assert the inclusion of an object * in an array or a substring in a string. When used as language chains, * they toggle the `contains` flag for the `keys` assertion. * * expect([1,2,3]).to.include(2); * expect('foobar').to.contain('foo'); * expect({ foo: 'bar', hello: 'universe' }).to.include.keys('foo'); * * @name include * @alias contain * @alias includes * @alias contains * @param {Object|String|Number} obj * @param {String} message _optional_ * @api public */ function includeChainingBehavior () { flag(this, 'contains', true); } function include (val, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); var expected = false; if (_.type(obj) === 'array' && _.type(val) === 'object') { for (var i in obj) { if (_.eql(obj[i], val)) { expected = true; break; } } } else if (_.type(val) === 'object') { if (!flag(this, 'negate')) { for (var k in val) new Assertion(obj).property(k, val[k]); return; } var subset = {}; for (var k in val) subset[k] = obj[k]; expected = _.eql(subset, val); } else { expected = obj && ~obj.indexOf(val); } this.assert( expected , 'expected #{this} to include ' + _.inspect(val) , 'expected #{this} to not include ' + _.inspect(val)); } Assertion.addChainableMethod('include', include, includeChainingBehavior); Assertion.addChainableMethod('contain', include, includeChainingBehavior); Assertion.addChainableMethod('contains', include, includeChainingBehavior); Assertion.addChainableMethod('includes', include, includeChainingBehavior); /** * ### .ok * * Asserts that the target is truthy. * * expect('everthing').to.be.ok; * expect(1).to.be.ok; * expect(false).to.not.be.ok; * expect(undefined).to.not.be.ok; * expect(null).to.not.be.ok; * * @name ok * @api public */ Assertion.addProperty('ok', function () { this.assert( flag(this, 'object') , 'expected #{this} to be truthy' , 'expected #{this} to be falsy'); }); /** * ### .true * * Asserts that the target is `true`. * * expect(true).to.be.true; * expect(1).to.not.be.true; * * @name true * @api public */ Assertion.addProperty('true', function () { this.assert( true === flag(this, 'object') , 'expected #{this} to be true' , 'expected #{this} to be false' , this.negate ? false : true ); }); /** * ### .false * * Asserts that the target is `false`. * * expect(false).to.be.false; * expect(0).to.not.be.false; * * @name false * @api public */ Assertion.addProperty('false', function () { this.assert( false === flag(this, 'object') , 'expected #{this} to be false' , 'expected #{this} to be true' , this.negate ? true : false ); }); /** * ### .null * * Asserts that the target is `null`. * * expect(null).to.be.null; * expect(undefined).to.not.be.null; * * @name null * @api public */ Assertion.addProperty('null', function () { this.assert( null === flag(this, 'object') , 'expected #{this} to be null' , 'expected #{this} not to be null' ); }); /** * ### .undefined * * Asserts that the target is `undefined`. * * expect(undefined).to.be.undefined; * expect(null).to.not.be.undefined; * * @name undefined * @api public */ Assertion.addProperty('undefined', function () { this.assert( undefined === flag(this, 'object') , 'expected #{this} to be undefined' , 'expected #{this} not to be undefined' ); }); /** * ### .exist * * Asserts that the target is neither `null` nor `undefined`. * * var foo = 'hi' * , bar = null * , baz; * * expect(foo).to.exist; * expect(bar).to.not.exist; * expect(baz).to.not.exist; * * @name exist * @api public */ Assertion.addProperty('exist', function () { this.assert( null != flag(this, 'object') , 'expected #{this} to exist' , 'expected #{this} to not exist' ); }); /** * ### .empty * * Asserts that the target's length is `0`. For arrays and strings, it checks * the `length` property. For objects, it gets the count of * enumerable keys. * * expect([]).to.be.empty; * expect('').to.be.empty; * expect({}).to.be.empty; * * @name empty * @api public */ Assertion.addProperty('empty', function () { var obj = flag(this, 'object') , expected = obj; if (Array.isArray(obj) || 'string' === typeof object) { expected = obj.length; } else if (typeof obj === 'object') { expected = Object.keys(obj).length; } this.assert( !expected , 'expected #{this} to be empty' , 'expected #{this} not to be empty' ); }); /** * ### .arguments * * Asserts that the target is an arguments object. * * function test () { * expect(arguments).to.be.arguments; * } * * @name arguments * @alias Arguments * @api public */ function checkArguments () { var obj = flag(this, 'object') , type = Object.prototype.toString.call(obj); this.assert( '[object Arguments]' === type , 'expected #{this} to be arguments but got ' + type , 'expected #{this} to not be arguments' ); } Assertion.addProperty('arguments', checkArguments); Assertion.addProperty('Arguments', checkArguments); /** * ### .equal(value) * * Asserts that the target is strictly equal (`===`) to `value`. * Alternately, if the `deep` flag is set, asserts that * the target is deeply equal to `value`. * * expect('hello').to.equal('hello'); * expect(42).to.equal(42); * expect(1).to.not.equal(true); * expect({ foo: 'bar' }).to.not.equal({ foo: 'bar' }); * expect({ foo: 'bar' }).to.deep.equal({ foo: 'bar' }); * * @name equal * @alias equals * @alias eq * @alias deep.equal * @param {Mixed} value * @param {String} message _optional_ * @api public */ function assertEqual (val, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); if (flag(this, 'deep')) { return this.eql(val); } else { this.assert( val === obj , 'expected #{this} to equal #{exp}' , 'expected #{this} to not equal #{exp}' , val , this._obj , true ); } } Assertion.addMethod('equal', assertEqual); Assertion.addMethod('equals', assertEqual); Assertion.addMethod('eq', assertEqual); /** * ### .eql(value) * * Asserts that the target is deeply equal to `value`. * * expect({ foo: 'bar' }).to.eql({ foo: 'bar' }); * expect([ 1, 2, 3 ]).to.eql([ 1, 2, 3 ]); * * @name eql * @alias eqls * @param {Mixed} value * @param {String} message _optional_ * @api public */ function assertEql(obj, msg) { if (msg) flag(this, 'message', msg); this.assert( _.eql(obj, flag(this, 'object')) , 'expected #{this} to deeply equal #{exp}' , 'expected #{this} to not deeply equal #{exp}' , obj , this._obj , true ); } Assertion.addMethod('eql', assertEql); Assertion.addMethod('eqls', assertEql); /** * ### .above(value) * * Asserts that the target is greater than `value`. * * expect(10).to.be.above(5); * * Can also be used in conjunction with `length` to * assert a minimum length. The benefit being a * more informative error message than if the length * was supplied directly. * * expect('foo').to.have.length.above(2); * expect([ 1, 2, 3 ]).to.have.length.above(2); * * @name above * @alias gt * @alias greaterThan * @param {Number} value * @param {String} message _optional_ * @api public */ function assertAbove (n, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); if (flag(this, 'doLength')) { new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len > n , 'expected #{this} to have a length above #{exp} but got #{act}' , 'expected #{this} to not have a length above #{exp}' , n , len ); } else { this.assert( obj > n , 'expected #{this} to be above ' + n , 'expected #{this} to be at most ' + n ); } } Assertion.addMethod('above', assertAbove); Assertion.addMethod('gt', assertAbove); Assertion.addMethod('greaterThan', assertAbove); /** * ### .least(value) * * Asserts that the target is greater than or equal to `value`. * * expect(10).to.be.at.least(10); * * Can also be used in conjunction with `length` to * assert a minimum length. The benefit being a * more informative error message than if the length * was supplied directly. * * expect('foo').to.have.length.of.at.least(2); * expect([ 1, 2, 3 ]).to.have.length.of.at.least(3); * * @name least * @alias gte * @param {Number} value * @param {String} message _optional_ * @api public */ function assertLeast (n, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); if (flag(this, 'doLength')) { new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len >= n , 'expected #{this} to have a length at least #{exp} but got #{act}' , 'expected #{this} to have a length below #{exp}' , n , len ); } else { this.assert( obj >= n , 'expected #{this} to be at least ' + n , 'expected #{this} to be below ' + n ); } } Assertion.addMethod('least', assertLeast); Assertion.addMethod('gte', assertLeast); /** * ### .below(value) * * Asserts that the target is less than `value`. * * expect(5).to.be.below(10); * * Can also be used in conjunction with `length` to * assert a maximum length. The benefit being a * more informative error message than if the length * was supplied directly. * * expect('foo').to.have.length.below(4); * expect([ 1, 2, 3 ]).to.have.length.below(4); * * @name below * @alias lt * @alias lessThan * @param {Number} value * @param {String} message _optional_ * @api public */ function assertBelow (n, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); if (flag(this, 'doLength')) { new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len < n , 'expected #{this} to have a length below #{exp} but got #{act}' , 'expected #{this} to not have a length below #{exp}' , n , len ); } else { this.assert( obj < n , 'expected #{this} to be below ' + n , 'expected #{this} to be at least ' + n ); } } Assertion.addMethod('below', assertBelow); Assertion.addMethod('lt', assertBelow); Assertion.addMethod('lessThan', assertBelow); /** * ### .most(value) * * Asserts that the target is less than or equal to `value`. * * expect(5).to.be.at.most(5); * * Can also be used in conjunction with `length` to * assert a maximum length. The benefit being a * more informative error message than if the length * was supplied directly. * * expect('foo').to.have.length.of.at.most(4); * expect([ 1, 2, 3 ]).to.have.length.of.at.most(3); * * @name most * @alias lte * @param {Number} value * @param {String} message _optional_ * @api public */ function assertMost (n, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); if (flag(this, 'doLength')) { new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len <= n , 'expected #{this} to have a length at most #{exp} but got #{act}' , 'expected #{this} to have a length above #{exp}' , n , len ); } else { this.assert( obj <= n , 'expected #{this} to be at most ' + n , 'expected #{this} to be above ' + n ); } } Assertion.addMethod('most', assertMost); Assertion.addMethod('lte', assertMost); /** * ### .within(start, finish) * * Asserts that the target is within a range. * * expect(7).to.be.within(5,10); * * Can also be used in conjunction with `length` to * assert a length range. The benefit being a * more informative error message than if the length * was supplied directly. * * expect('foo').to.have.length.within(2,4); * expect([ 1, 2, 3 ]).to.have.length.within(2,4); * * @name within * @param {Number} start lowerbound inclusive * @param {Number} finish upperbound inclusive * @param {String} message _optional_ * @api public */ Assertion.addMethod('within', function (start, finish, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object') , range = start + '..' + finish; if (flag(this, 'doLength')) { new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len >= start && len <= finish , 'expected #{this} to have a length within ' + range , 'expected #{this} to not have a length within ' + range ); } else { this.assert( obj >= start && obj <= finish , 'expected #{this} to be within ' + range , 'expected #{this} to not be within ' + range ); } }); /** * ### .instanceof(constructor) * * Asserts that the target is an instance of `constructor`. * * var Tea = function (name) { this.name = name; } * , Chai = new Tea('chai'); * * expect(Chai).to.be.an.instanceof(Tea); * expect([ 1, 2, 3 ]).to.be.instanceof(Array); * * @name instanceof * @param {Constructor} constructor * @param {String} message _optional_ * @alias instanceOf * @api public */ function assertInstanceOf (constructor, msg) { if (msg) flag(this, 'message', msg); var name = _.getName(constructor); this.assert( flag(this, 'object') instanceof constructor , 'expected #{this} to be an instance of ' + name , 'expected #{this} to not be an instance of ' + name ); }; Assertion.addMethod('instanceof', assertInstanceOf); Assertion.addMethod('instanceOf', assertInstanceOf); /** * ### .property(name, [value]) * * Asserts that the target has a property `name`, optionally asserting that * the value of that property is strictly equal to `value`. * If the `deep` flag is set, you can use dot- and bracket-notation for deep * references into objects and arrays. * * // simple referencing * var obj = { foo: 'bar' }; * expect(obj).to.have.property('foo'); * expect(obj).to.have.property('foo', 'bar'); * * // deep referencing * var deepObj = { * green: { tea: 'matcha' } * , teas: [ 'chai', 'matcha', { tea: 'konacha' } ] * }; * * expect(deepObj).to.have.deep.property('green.tea', 'matcha'); * expect(deepObj).to.have.deep.property('teas[1]', 'matcha'); * expect(deepObj).to.have.deep.property('teas[2].tea', 'konacha'); * * You can also use an array as the starting point of a `deep.property` * assertion, or traverse nested arrays. * * var arr = [ * [ 'chai', 'matcha', 'konacha' ] * , [ { tea: 'chai' } * , { tea: 'matcha' } * , { tea: 'konacha' } ] * ]; * * expect(arr).to.have.deep.property('[0][1]', 'matcha'); * expect(arr).to.have.deep.property('[1][2].tea', 'konacha'); * * Furthermore, `property` changes the subject of the assertion * to be the value of that property from the original object. This * permits for further chainable assertions on that property. * * expect(obj).to.have.property('foo') * .that.is.a('string'); * expect(deepObj).to.have.property('green') * .that.is.an('object') * .that.deep.equals({ tea: 'matcha' }); * expect(deepObj).to.have.property('teas') * .that.is.an('array') * .with.deep.property('[2]') * .that.deep.equals({ tea: 'konacha' }); * * Note that dots and bracket in `name` must be backslash-escaped when * the `deep` flag is set, while they must NOT be escaped when the `deep` * flag is not set. * * // simple referencing * var css = { '.link[target]': 42 }; * expect(css).to.have.property('.link[target]', 42); * * // deep referencing * var deepCss = { '.link': { '[target]': 42 }}; * expect(deepCss).to.have.deep.property('\\.link.\\[target\\]', 42); * * @name property * @alias deep.property * @param {String} name * @param {Mixed} value (optional) * @param {String} message _optional_ * @returns value of property for chaining * @api public */ Assertion.addMethod('property', function (name, val, msg) { if (msg) flag(this, 'message', msg); var isDeep = !!flag(this, 'deep') , descriptor = isDeep ? 'deep property ' : 'property ' , negate = flag(this, 'negate') , obj = flag(this, 'object') , pathInfo = isDeep ? _.getPathInfo(name, obj) : null , hasProperty = isDeep ? pathInfo.exists : _.hasProperty(name, obj) , value = isDeep ? pathInfo.value : obj[name]; if (negate && undefined !== val) { if (undefined === value) { msg = (msg != null) ? msg + ': ' : ''; throw new Error(msg + _.inspect(obj) + ' has no ' + descriptor + _.inspect(name)); } } else { this.assert( hasProperty , 'expected #{this} to have a ' + descriptor + _.inspect(name) , 'expected #{this} to not have ' + descriptor + _.inspect(name)); } if (undefined !== val) { this.assert( val === value , 'expected #{this} to have a ' + descriptor + _.inspect(name) + ' of #{exp}, but got #{act}' , 'expected #{this} to not have a ' + descriptor + _.inspect(name) + ' of #{act}' , val , value ); } flag(this, 'object', value); }); /** * ### .ownProperty(name) * * Asserts that the target has an own property `name`. * * expect('test').to.have.ownProperty('length'); * * @name ownProperty * @alias haveOwnProperty * @param {String} name * @param {String} message _optional_ * @api public */ function assertOwnProperty (name, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); this.assert( obj.hasOwnProperty(name) , 'expected #{this} to have own property ' + _.inspect(name) , 'expected #{this} to not have own property ' + _.inspect(name) ); } Assertion.addMethod('ownProperty', assertOwnProperty); Assertion.addMethod('haveOwnProperty', assertOwnProperty); /** * ### .ownPropertyDescriptor(name[, descriptor[, message]]) * * Asserts that the target has an own property descriptor `name`, that optionally matches `descriptor`. * * expect('test').to.have.ownPropertyDescriptor('length'); * expect('test').to.have.ownPropertyDescriptor('length', { enumerable: false, configurable: false, writable: false, value: 4 }); * expect('test').not.to.have.ownPropertyDescriptor('length', { enumerable: false, configurable: false, writable: false, value: 3 }); * expect('test').ownPropertyDescriptor('length').to.have.property('enumerable', false); * expect('test').ownPropertyDescriptor('length').to.have.keys('value'); * * @name ownPropertyDescriptor * @alias haveOwnPropertyDescriptor * @param {String} name * @param {Object} descriptor _optional_ * @param {String} message _optional_ * @api public */ function assertOwnPropertyDescriptor (name, descriptor, msg) { if (typeof descriptor === 'string') { msg = descriptor; descriptor = null; } if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); var actualDescriptor = Object.getOwnPropertyDescriptor(Object(obj), name); if (actualDescriptor && descriptor) { this.assert( _.eql(descriptor, actualDescriptor) , 'expected the own property descriptor for ' + _.inspect(name) + ' on #{this} to match ' + _.inspect(descriptor) + ', got ' + _.inspect(actualDescriptor) , 'expected the own property descriptor for ' + _.inspect(name) + ' on #{this} to not match ' + _.inspect(descriptor) , descriptor , actualDescriptor , true ); } else { this.assert( actualDescriptor , 'expected #{this} to have an own property descriptor for ' + _.inspect(name) , 'expected #{this} to not have an own property descriptor for ' + _.inspect(name) ); } flag(this, 'object', actualDescriptor); } Assertion.addMethod('ownPropertyDescriptor', assertOwnPropertyDescriptor); Assertion.addMethod('haveOwnPropertyDescriptor', assertOwnPropertyDescriptor); /** * ### .length(value) * * Asserts that the target's `length` property has * the expected value. * * expect([ 1, 2, 3]).to.have.length(3); * expect('foobar').to.have.length(6); * * Can also be used as a chain precursor to a value * comparison for the length property. * * expect('foo').to.have.length.above(2); * expect([ 1, 2, 3 ]).to.have.length.above(2); * expect('foo').to.have.length.below(4); * expect([ 1, 2, 3 ]).to.have.length.below(4); * expect('foo').to.have.length.within(2,4); * expect([ 1, 2, 3 ]).to.have.length.within(2,4); * * @name length * @alias lengthOf * @param {Number} length * @param {String} message _optional_ * @api public */ function assertLengthChain () { flag(this, 'doLength', true); } function assertLength (n, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); new Assertion(obj, msg).to.have.property('length'); var len = obj.length; this.assert( len == n , 'expected #{this} to have a length of #{exp} but got #{act}' , 'expected #{this} to not have a length of #{act}' , n , len ); } Assertion.addChainableMethod('length', assertLength, assertLengthChain); Assertion.addMethod('lengthOf', assertLength); /** * ### .match(regexp) * * Asserts that the target matches a regular expression. * * expect('foobar').to.match(/^foo/); * * @name match * @param {RegExp} RegularExpression * @param {String} message _optional_ * @api public */ Assertion.addMethod('match', function (re, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); this.assert( re.exec(obj) , 'expected #{this} to match ' + re , 'expected #{this} not to match ' + re ); }); /** * ### .string(string) * * Asserts that the string target contains another string. * * expect('foobar').to.have.string('bar'); * * @name string * @param {String} string * @param {String} message _optional_ * @api public */ Assertion.addMethod('string', function (str, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); new Assertion(obj, msg).is.a('string'); this.assert( ~obj.indexOf(str) , 'expected #{this} to contain ' + _.inspect(str) , 'expected #{this} to not contain ' + _.inspect(str) ); }); /** * ### .keys(key1, [key2], [...]) * * Asserts that the target contains any or all of the passed-in keys. * Use in combination with `any`, `all`, `contains`, or `have` will affect * what will pass. * * When used in conjunction with `any`, at least one key that is passed * in must exist in the target object. This is regardless whether or not * the `have` or `contain` qualifiers are used. Note, either `any` or `all` * should be used in the assertion. If neither are used, the assertion is * defaulted to `all`. * * When both `all` and `contain` are used, the target object must have at * least all of the passed-in keys but may have more keys not listed. * * When both `all` and `have` are used, the target object must both contain * all of the passed-in keys AND the number of keys in the target object must * match the number of keys passed in (in other words, a target object must * have all and only all of the passed-in keys). * * expect({ foo: 1, bar: 2 }).to.have.any.keys('foo', 'baz'); * expect({ foo: 1, bar: 2 }).to.have.any.keys('foo'); * expect({ foo: 1, bar: 2 }).to.contain.any.keys('bar', 'baz'); * expect({ foo: 1, bar: 2 }).to.contain.any.keys(['foo']); * expect({ foo: 1, bar: 2 }).to.contain.any.keys({'foo': 6}); * expect({ foo: 1, bar: 2 }).to.have.all.keys(['bar', 'foo']); * expect({ foo: 1, bar: 2 }).to.have.all.keys({'bar': 6, 'foo': 7}); * expect({ foo: 1, bar: 2, baz: 3 }).to.contain.all.keys(['bar', 'foo']); * expect({ foo: 1, bar: 2, baz: 3 }).to.contain.all.keys([{'bar': 6}}]); * * * @name keys * @alias key * @param {String...|Array|Object} keys * @api public */ function assertKeys (keys) { var obj = flag(this, 'object') , str , ok = true , mixedArgsMsg = 'keys must be given single argument of Array|Object|String, or multiple String arguments'; switch (_.type(keys)) { case "array": if (arguments.length > 1) throw (new Error(mixedArgsMsg)); break; case "object": if (arguments.length > 1) throw (new Error(mixedArgsMsg)); keys = Object.keys(keys); break; default: keys = Array.prototype.slice.call(arguments); } if (!keys.length) throw new Error('keys required'); var actual = Object.keys(obj) , expected = keys , len = keys.length , any = flag(this, 'any') , all = flag(this, 'all'); if (!any && !all) { all = true; } // Has any if (any) { var intersection = expected.filter(function(key) { return ~actual.indexOf(key); }); ok = intersection.length > 0; } // Has all if (all) { ok = keys.every(function(key){ return ~actual.indexOf(key); }); if (!flag(this, 'negate') && !flag(this, 'contains')) { ok = ok && keys.length == actual.length; } } // Key string if (len > 1) { keys = keys.map(function(key){ return _.inspect(key); }); var last = keys.pop(); if (all) { str = keys.join(', ') + ', and ' + last; } if (any) { str = keys.join(', ') + ', or ' + last; } } else { str = _.inspect(keys[0]); } // Form str = (len > 1 ? 'keys ' : 'key ') + str; // Have / include str = (flag(this, 'contains') ? 'contain ' : 'have ') + str; // Assertion this.assert( ok , 'expected #{this} to ' + str , 'expected #{this} to not ' + str , expected.slice(0).sort() , actual.sort() , true ); } Assertion.addMethod('keys', assertKeys); Assertion.addMethod('key', assertKeys); /** * ### .throw(constructor) * * Asserts that the function target will throw a specific error, or specific type of error * (as determined using `instanceof`), optionally with a RegExp or string inclusion test * for the error's message. * * var err = new ReferenceError('This is a bad function.'); * var fn = function () { throw err; } * expect(fn).to.throw(ReferenceError); * expect(fn).to.throw(Error); * expect(fn).to.throw(/bad function/); * expect(fn).to.not.throw('good function'); * expect(fn).to.throw(ReferenceError, /bad function/); * expect(fn).to.throw(err); * expect(fn).to.not.throw(new RangeError('Out of range.')); * * Please note that when a throw expectation is negated, it will check each * parameter independently, starting with error constructor type. The appropriate way * to check for the existence of a type of error but for a message that does not match * is to use `and`. * * expect(fn).to.throw(ReferenceError) * .and.not.throw(/good function/); * * @name throw * @alias throws * @alias Throw * @param {ErrorConstructor} constructor * @param {String|RegExp} expected error message * @param {String} message _optional_ * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types * @returns error for chaining (null if no error) * @api public */ function assertThrows (constructor, errMsg, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); new Assertion(obj, msg).is.a('function'); var thrown = false , desiredError = null , name = null , thrownError = null; if (arguments.length === 0) { errMsg = null; constructor = null; } else if (constructor && (constructor instanceof RegExp || 'string' === typeof constructor)) { errMsg = constructor; constructor = null; } else if (constructor && constructor instanceof Error) { desiredError = constructor; constructor = null; errMsg = null; } else if (typeof constructor === 'function') { name = constructor.prototype.name || constructor.name; if (name === 'Error' && constructor !== Error) { name = (new constructor()).name; } } else { constructor = null; } try { obj(); } catch (err) { // first, check desired error if (desiredError) { this.assert( err === desiredError , 'expected #{this} to throw #{exp} but #{act} was thrown' , 'expected #{this} to not throw #{exp}' , (desiredError instanceof Error ? desiredError.toString() : desiredError) , (err instanceof Error ? err.toString() : err) ); flag(this, 'object', err); return this; } // next, check constructor if (constructor) { this.assert( err instanceof constructor , 'expected #{this} to throw #{exp} but #{act} was thrown' , 'expected #{this} to not throw #{exp} but #{act} was thrown' , name , (err instanceof Error ? err.toString() : err) ); if (!errMsg) { flag(this, 'object', err); return this; } } // next, check message var message = 'object' === _.type(err) && "message" in err ? err.message : '' + err; if ((message != null) && errMsg && errMsg instanceof RegExp) { this.assert( errMsg.exec(message) , 'expected #{this} to throw error matching #{exp} but got #{act}' , 'expected #{this} to throw error not matching #{exp}' , errMsg , message ); flag(this, 'object', err); return this; } else if ((message != null) && errMsg && 'string' === typeof errMsg) { this.assert( ~message.indexOf(errMsg) , 'expected #{this} to throw error including #{exp} but got #{act}' , 'expected #{this} to throw error not including #{act}' , errMsg , message ); flag(this, 'object', err); return this; } else { thrown = true; thrownError = err; } } var actuallyGot = '' , expectedThrown = name !== null ? name : desiredError ? '#{exp}' //_.inspect(desiredError) : 'an error'; if (thrown) { actuallyGot = ' but #{act} was thrown' } this.assert( thrown === true , 'expected #{this} to throw ' + expectedThrown + actuallyGot , 'expected #{this} to not throw ' + expectedThrown + actuallyGot , (desiredError instanceof Error ? desiredError.toString() : desiredError) , (thrownError instanceof Error ? thrownError.toString() : thrownError) ); flag(this, 'object', thrownError); }; Assertion.addMethod('throw', assertThrows); Assertion.addMethod('throws', assertThrows); Assertion.addMethod('Throw', assertThrows); /** * ### .respondTo(method) * * Asserts that the object or class target will respond to a method. * * Klass.prototype.bar = function(){}; * expect(Klass).to.respondTo('bar'); * expect(obj).to.respondTo('bar'); * * To check if a constructor will respond to a static function, * set the `itself` flag. * * Klass.baz = function(){}; * expect(Klass).itself.to.respondTo('baz'); * * @name respondTo * @param {String} method * @param {String} message _optional_ * @api public */ Assertion.addMethod('respondTo', function (method, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object') , itself = flag(this, 'itself') , context = ('function' === _.type(obj) && !itself) ? obj.prototype[method] : obj[method]; this.assert( 'function' === typeof context , 'expected #{this} to respond to ' + _.inspect(method) , 'expected #{this} to not respond to ' + _.inspect(method) ); }); /** * ### .itself * * Sets the `itself` flag, later used by the `respondTo` assertion. * * function Foo() {} * Foo.bar = function() {} * Foo.prototype.baz = function() {} * * expect(Foo).itself.to.respondTo('bar'); * expect(Foo).itself.not.to.respondTo('baz'); * * @name itself * @api public */ Assertion.addProperty('itself', function () { flag(this, 'itself', true); }); /** * ### .satisfy(method) * * Asserts that the target passes a given truth test. * * expect(1).to.satisfy(function(num) { return num > 0; }); * * @name satisfy * @param {Function} matcher * @param {String} message _optional_ * @api public */ Assertion.addMethod('satisfy', function (matcher, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); var result = matcher(obj); this.assert( result , 'expected #{this} to satisfy ' + _.objDisplay(matcher) , 'expected #{this} to not satisfy' + _.objDisplay(matcher) , this.negate ? false : true , result ); }); /** * ### .closeTo(expected, delta) * * Asserts that the target is equal `expected`, to within a +/- `delta` range. * * expect(1.5).to.be.closeTo(1, 0.5); * * @name closeTo * @param {Number} expected * @param {Number} delta * @param {String} message _optional_ * @api public */ Assertion.addMethod('closeTo', function (expected, delta, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); new Assertion(obj, msg).is.a('number'); if (_.type(expected) !== 'number' || _.type(delta) !== 'number') { throw new Error('the arguments to closeTo must be numbers'); } this.assert( Math.abs(obj - expected) <= delta , 'expected #{this} to be close to ' + expected + ' +/- ' + delta , 'expected #{this} not to be close to ' + expected + ' +/- ' + delta ); }); function isSubsetOf(subset, superset, cmp) { return subset.every(function(elem) { if (!cmp) return superset.indexOf(elem) !== -1; return superset.some(function(elem2) { return cmp(elem, elem2); }); }) } /** * ### .members(set) * * Asserts that the target is a superset of `set`, * or that the target and `set` have the same strictly-equal (===) members. * Alternately, if the `deep` flag is set, set members are compared for deep * equality. * * expect([1, 2, 3]).to.include.members([3, 2]); * expect([1, 2, 3]).to.not.include.members([3, 2, 8]); * * expect([4, 2]).to.have.members([2, 4]); * expect([5, 2]).to.not.have.members([5, 2, 1]); * * expect([{ id: 1 }]).to.deep.include.members([{ id: 1 }]); * * @name members * @param {Array} set * @param {String} message _optional_ * @api public */ Assertion.addMethod('members', function (subset, msg) { if (msg) flag(this, 'message', msg); var obj = flag(this, 'object'); new Assertion(obj).to.be.an('array'); new Assertion(subset).to.be.an('array'); var cmp = flag(this, 'deep') ? _.eql : undefined; if (flag(this, 'contains')) { return this.assert( isSubsetOf(subset, obj, cmp) , 'expected #{this} to be a superset of #{act}' , 'expected #{this} to not be a superset of #{act}' , obj , subset ); } this.assert( isSubsetOf(obj, subset, cmp) && isSubsetOf(subset, obj, cmp) , 'expected #{this} to have the same members as #{act}' , 'expected #{this} to not have the same members as #{act}' , obj , subset ); }); /** * ### .change(function) * * Asserts that a function changes an object property * * var obj = { val: 10 }; * var fn = function() { obj.val += 3 }; * var noChangeFn = function() { return 'foo' + 'bar'; } * expect(fn).to.change(obj, 'val'); * expect(noChangFn).to.not.change(obj, 'val') * * @name change * @alias changes * @alias Change * @param {String} object * @param {String} property name * @param {String} message _optional_ * @api public */ function assertChanges (object, prop, msg) { if (msg) flag(this, 'message', msg); var fn = flag(this, 'object'); new Assertion(object, msg).to.have.property(prop); new Assertion(fn).is.a('function'); var initial = object[prop]; fn(); this.assert( initial !== object[prop] , 'expected .' + prop + ' to change' , 'expected .' + prop + ' to not change' ); } Assertion.addChainableMethod('change', assertChanges); Assertion.addChainableMethod('changes', assertChanges); /** * ### .increase(function) * * Asserts that a function increases an object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 15 }; * expect(fn).to.increase(obj, 'val'); * * @name increase * @alias increases * @alias Increase * @param {String} object * @param {String} property name * @param {String} message _optional_ * @api public */ function assertIncreases (object, prop, msg) { if (msg) flag(this, 'message', msg); var fn = flag(this, 'object'); new Assertion(object, msg).to.have.property(prop); new Assertion(fn).is.a('function'); var initial = object[prop]; fn(); this.assert( object[prop] - initial > 0 , 'expected .' + prop + ' to increase' , 'expected .' + prop + ' to not increase' ); } Assertion.addChainableMethod('increase', assertIncreases); Assertion.addChainableMethod('increases', assertIncreases); /** * ### .decrease(function) * * Asserts that a function decreases an object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 5 }; * expect(fn).to.decrease(obj, 'val'); * * @name decrease * @alias decreases * @alias Decrease * @param {String} object * @param {String} property name * @param {String} message _optional_ * @api public */ function assertDecreases (object, prop, msg) { if (msg) flag(this, 'message', msg); var fn = flag(this, 'object'); new Assertion(object, msg).to.have.property(prop); new Assertion(fn).is.a('function'); var initial = object[prop]; fn(); this.assert( object[prop] - initial < 0 , 'expected .' + prop + ' to decrease' , 'expected .' + prop + ' to not decrease' ); } Assertion.addChainableMethod('decrease', assertDecreases); Assertion.addChainableMethod('decreases', assertDecreases); }; },{}],20:[function(require,module,exports){ /*! * chai * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ module.exports = function (chai, util) { /*! * Chai dependencies. */ var Assertion = chai.Assertion , flag = util.flag; /*! * Module export. */ /** * ### assert(expression, message) * * Write your own test expressions. * * assert('foo' !== 'bar', 'foo is not bar'); * assert(Array.isArray([]), 'empty arrays are arrays'); * * @param {Mixed} expression to test for truthiness * @param {String} message to display on error * @name assert * @api public */ var assert = chai.assert = function (express, errmsg) { var test = new Assertion(null, null, chai.assert); test.assert( express , errmsg , '[ negation message unavailable ]' ); }; /** * ### .fail(actual, expected, [message], [operator]) * * Throw a failure. Node.js `assert` module-compatible. * * @name fail * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @param {String} operator * @api public */ assert.fail = function (actual, expected, message, operator) { message = message || 'assert.fail()'; throw new chai.AssertionError(message, { actual: actual , expected: expected , operator: operator }, assert.fail); }; /** * ### .ok(object, [message]) * * Asserts that `object` is truthy. * * assert.ok('everything', 'everything is ok'); * assert.ok(false, 'this will fail'); * * @name ok * @param {Mixed} object to test * @param {String} message * @api public */ assert.ok = function (val, msg) { new Assertion(val, msg).is.ok; }; /** * ### .notOk(object, [message]) * * Asserts that `object` is falsy. * * assert.notOk('everything', 'this will fail'); * assert.notOk(false, 'this will pass'); * * @name notOk * @param {Mixed} object to test * @param {String} message * @api public */ assert.notOk = function (val, msg) { new Assertion(val, msg).is.not.ok; }; /** * ### .equal(actual, expected, [message]) * * Asserts non-strict equality (`==`) of `actual` and `expected`. * * assert.equal(3, '3', '== coerces values to strings'); * * @name equal * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.equal = function (act, exp, msg) { var test = new Assertion(act, msg, assert.equal); test.assert( exp == flag(test, 'object') , 'expected #{this} to equal #{exp}' , 'expected #{this} to not equal #{act}' , exp , act ); }; /** * ### .notEqual(actual, expected, [message]) * * Asserts non-strict inequality (`!=`) of `actual` and `expected`. * * assert.notEqual(3, 4, 'these numbers are not equal'); * * @name notEqual * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.notEqual = function (act, exp, msg) { var test = new Assertion(act, msg, assert.notEqual); test.assert( exp != flag(test, 'object') , 'expected #{this} to not equal #{exp}' , 'expected #{this} to equal #{act}' , exp , act ); }; /** * ### .strictEqual(actual, expected, [message]) * * Asserts strict equality (`===`) of `actual` and `expected`. * * assert.strictEqual(true, true, 'these booleans are strictly equal'); * * @name strictEqual * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.strictEqual = function (act, exp, msg) { new Assertion(act, msg).to.equal(exp); }; /** * ### .notStrictEqual(actual, expected, [message]) * * Asserts strict inequality (`!==`) of `actual` and `expected`. * * assert.notStrictEqual(3, '3', 'no coercion for strict equality'); * * @name notStrictEqual * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.notStrictEqual = function (act, exp, msg) { new Assertion(act, msg).to.not.equal(exp); }; /** * ### .deepEqual(actual, expected, [message]) * * Asserts that `actual` is deeply equal to `expected`. * * assert.deepEqual({ tea: 'green' }, { tea: 'green' }); * * @name deepEqual * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.deepEqual = function (act, exp, msg) { new Assertion(act, msg).to.eql(exp); }; /** * ### .notDeepEqual(actual, expected, [message]) * * Assert that `actual` is not deeply equal to `expected`. * * assert.notDeepEqual({ tea: 'green' }, { tea: 'jasmine' }); * * @name notDeepEqual * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @api public */ assert.notDeepEqual = function (act, exp, msg) { new Assertion(act, msg).to.not.eql(exp); }; /** * ### .isTrue(value, [message]) * * Asserts that `value` is true. * * var teaServed = true; * assert.isTrue(teaServed, 'the tea has been served'); * * @name isTrue * @param {Mixed} value * @param {String} message * @api public */ assert.isAbove = function (val, abv, msg) { new Assertion(val, msg).to.be.above(abv); }; /** * ### .isAbove(valueToCheck, valueToBeAbove, [message]) * * Asserts `valueToCheck` is strictly greater than (>) `valueToBeAbove` * * assert.isAbove(5, 2, '5 is strictly greater than 2'); * * @name isAbove * @param {Mixed} valueToCheck * @param {Mixed} valueToBeAbove * @param {String} message * @api public */ assert.isBelow = function (val, blw, msg) { new Assertion(val, msg).to.be.below(blw); }; /** * ### .isBelow(valueToCheck, valueToBeBelow, [message]) * * Asserts `valueToCheck` is strictly less than (<) `valueToBeBelow` * * assert.isBelow(3, 6, '3 is strictly less than 6'); * * @name isBelow * @param {Mixed} valueToCheck * @param {Mixed} valueToBeBelow * @param {String} message * @api public */ assert.isTrue = function (val, msg) { new Assertion(val, msg).is['true']; }; /** * ### .isFalse(value, [message]) * * Asserts that `value` is false. * * var teaServed = false; * assert.isFalse(teaServed, 'no tea yet? hmm...'); * * @name isFalse * @param {Mixed} value * @param {String} message * @api public */ assert.isFalse = function (val, msg) { new Assertion(val, msg).is['false']; }; /** * ### .isNull(value, [message]) * * Asserts that `value` is null. * * assert.isNull(err, 'there was no error'); * * @name isNull * @param {Mixed} value * @param {String} message * @api public */ assert.isNull = function (val, msg) { new Assertion(val, msg).to.equal(null); }; /** * ### .isNotNull(value, [message]) * * Asserts that `value` is not null. * * var tea = 'tasty chai'; * assert.isNotNull(tea, 'great, time for tea!'); * * @name isNotNull * @param {Mixed} value * @param {String} message * @api public */ assert.isNotNull = function (val, msg) { new Assertion(val, msg).to.not.equal(null); }; /** * ### .isUndefined(value, [message]) * * Asserts that `value` is `undefined`. * * var tea; * assert.isUndefined(tea, 'no tea defined'); * * @name isUndefined * @param {Mixed} value * @param {String} message * @api public */ assert.isUndefined = function (val, msg) { new Assertion(val, msg).to.equal(undefined); }; /** * ### .isDefined(value, [message]) * * Asserts that `value` is not `undefined`. * * var tea = 'cup of chai'; * assert.isDefined(tea, 'tea has been defined'); * * @name isDefined * @param {Mixed} value * @param {String} message * @api public */ assert.isDefined = function (val, msg) { new Assertion(val, msg).to.not.equal(undefined); }; /** * ### .isFunction(value, [message]) * * Asserts that `value` is a function. * * function serveTea() { return 'cup of tea'; }; * assert.isFunction(serveTea, 'great, we can have tea now'); * * @name isFunction * @param {Mixed} value * @param {String} message * @api public */ assert.isFunction = function (val, msg) { new Assertion(val, msg).to.be.a('function'); }; /** * ### .isNotFunction(value, [message]) * * Asserts that `value` is _not_ a function. * * var serveTea = [ 'heat', 'pour', 'sip' ]; * assert.isNotFunction(serveTea, 'great, we have listed the steps'); * * @name isNotFunction * @param {Mixed} value * @param {String} message * @api public */ assert.isNotFunction = function (val, msg) { new Assertion(val, msg).to.not.be.a('function'); }; /** * ### .isObject(value, [message]) * * Asserts that `value` is an object (as revealed by * `Object.prototype.toString`). * * var selection = { name: 'Chai', serve: 'with spices' }; * assert.isObject(selection, 'tea selection is an object'); * * @name isObject * @param {Mixed} value * @param {String} message * @api public */ assert.isObject = function (val, msg) { new Assertion(val, msg).to.be.a('object'); }; /** * ### .isNotObject(value, [message]) * * Asserts that `value` is _not_ an object. * * var selection = 'chai' * assert.isNotObject(selection, 'tea selection is not an object'); * assert.isNotObject(null, 'null is not an object'); * * @name isNotObject * @param {Mixed} value * @param {String} message * @api public */ assert.isNotObject = function (val, msg) { new Assertion(val, msg).to.not.be.a('object'); }; /** * ### .isArray(value, [message]) * * Asserts that `value` is an array. * * var menu = [ 'green', 'chai', 'oolong' ]; * assert.isArray(menu, 'what kind of tea do we want?'); * * @name isArray * @param {Mixed} value * @param {String} message * @api public */ assert.isArray = function (val, msg) { new Assertion(val, msg).to.be.an('array'); }; /** * ### .isNotArray(value, [message]) * * Asserts that `value` is _not_ an array. * * var menu = 'green|chai|oolong'; * assert.isNotArray(menu, 'what kind of tea do we want?'); * * @name isNotArray * @param {Mixed} value * @param {String} message * @api public */ assert.isNotArray = function (val, msg) { new Assertion(val, msg).to.not.be.an('array'); }; /** * ### .isString(value, [message]) * * Asserts that `value` is a string. * * var teaOrder = 'chai'; * assert.isString(teaOrder, 'order placed'); * * @name isString * @param {Mixed} value * @param {String} message * @api public */ assert.isString = function (val, msg) { new Assertion(val, msg).to.be.a('string'); }; /** * ### .isNotString(value, [message]) * * Asserts that `value` is _not_ a string. * * var teaOrder = 4; * assert.isNotString(teaOrder, 'order placed'); * * @name isNotString * @param {Mixed} value * @param {String} message * @api public */ assert.isNotString = function (val, msg) { new Assertion(val, msg).to.not.be.a('string'); }; /** * ### .isNumber(value, [message]) * * Asserts that `value` is a number. * * var cups = 2; * assert.isNumber(cups, 'how many cups'); * * @name isNumber * @param {Number} value * @param {String} message * @api public */ assert.isNumber = function (val, msg) { new Assertion(val, msg).to.be.a('number'); }; /** * ### .isNotNumber(value, [message]) * * Asserts that `value` is _not_ a number. * * var cups = '2 cups please'; * assert.isNotNumber(cups, 'how many cups'); * * @name isNotNumber * @param {Mixed} value * @param {String} message * @api public */ assert.isNotNumber = function (val, msg) { new Assertion(val, msg).to.not.be.a('number'); }; /** * ### .isBoolean(value, [message]) * * Asserts that `value` is a boolean. * * var teaReady = true * , teaServed = false; * * assert.isBoolean(teaReady, 'is the tea ready'); * assert.isBoolean(teaServed, 'has tea been served'); * * @name isBoolean * @param {Mixed} value * @param {String} message * @api public */ assert.isBoolean = function (val, msg) { new Assertion(val, msg).to.be.a('boolean'); }; /** * ### .isNotBoolean(value, [message]) * * Asserts that `value` is _not_ a boolean. * * var teaReady = 'yep' * , teaServed = 'nope'; * * assert.isNotBoolean(teaReady, 'is the tea ready'); * assert.isNotBoolean(teaServed, 'has tea been served'); * * @name isNotBoolean * @param {Mixed} value * @param {String} message * @api public */ assert.isNotBoolean = function (val, msg) { new Assertion(val, msg).to.not.be.a('boolean'); }; /** * ### .typeOf(value, name, [message]) * * Asserts that `value`'s type is `name`, as determined by * `Object.prototype.toString`. * * assert.typeOf({ tea: 'chai' }, 'object', 'we have an object'); * assert.typeOf(['chai', 'jasmine'], 'array', 'we have an array'); * assert.typeOf('tea', 'string', 'we have a string'); * assert.typeOf(/tea/, 'regexp', 'we have a regular expression'); * assert.typeOf(null, 'null', 'we have a null'); * assert.typeOf(undefined, 'undefined', 'we have an undefined'); * * @name typeOf * @param {Mixed} value * @param {String} name * @param {String} message * @api public */ assert.typeOf = function (val, type, msg) { new Assertion(val, msg).to.be.a(type); }; /** * ### .notTypeOf(value, name, [message]) * * Asserts that `value`'s type is _not_ `name`, as determined by * `Object.prototype.toString`. * * assert.notTypeOf('tea', 'number', 'strings are not numbers'); * * @name notTypeOf * @param {Mixed} value * @param {String} typeof name * @param {String} message * @api public */ assert.notTypeOf = function (val, type, msg) { new Assertion(val, msg).to.not.be.a(type); }; /** * ### .instanceOf(object, constructor, [message]) * * Asserts that `value` is an instance of `constructor`. * * var Tea = function (name) { this.name = name; } * , chai = new Tea('chai'); * * assert.instanceOf(chai, Tea, 'chai is an instance of tea'); * * @name instanceOf * @param {Object} object * @param {Constructor} constructor * @param {String} message * @api public */ assert.instanceOf = function (val, type, msg) { new Assertion(val, msg).to.be.instanceOf(type); }; /** * ### .notInstanceOf(object, constructor, [message]) * * Asserts `value` is not an instance of `constructor`. * * var Tea = function (name) { this.name = name; } * , chai = new String('chai'); * * assert.notInstanceOf(chai, Tea, 'chai is not an instance of tea'); * * @name notInstanceOf * @param {Object} object * @param {Constructor} constructor * @param {String} message * @api public */ assert.notInstanceOf = function (val, type, msg) { new Assertion(val, msg).to.not.be.instanceOf(type); }; /** * ### .include(haystack, needle, [message]) * * Asserts that `haystack` includes `needle`. Works * for strings and arrays. * * assert.include('foobar', 'bar', 'foobar contains string "bar"'); * assert.include([ 1, 2, 3 ], 3, 'array contains value'); * * @name include * @param {Array|String} haystack * @param {Mixed} needle * @param {String} message * @api public */ assert.include = function (exp, inc, msg) { new Assertion(exp, msg, assert.include).include(inc); }; /** * ### .notInclude(haystack, needle, [message]) * * Asserts that `haystack` does not include `needle`. Works * for strings and arrays. *i * assert.notInclude('foobar', 'baz', 'string not include substring'); * assert.notInclude([ 1, 2, 3 ], 4, 'array not include contain value'); * * @name notInclude * @param {Array|String} haystack * @param {Mixed} needle * @param {String} message * @api public */ assert.notInclude = function (exp, inc, msg) { new Assertion(exp, msg, assert.notInclude).not.include(inc); }; /** * ### .match(value, regexp, [message]) * * Asserts that `value` matches the regular expression `regexp`. * * assert.match('foobar', /^foo/, 'regexp matches'); * * @name match * @param {Mixed} value * @param {RegExp} regexp * @param {String} message * @api public */ assert.match = function (exp, re, msg) { new Assertion(exp, msg).to.match(re); }; /** * ### .notMatch(value, regexp, [message]) * * Asserts that `value` does not match the regular expression `regexp`. * * assert.notMatch('foobar', /^foo/, 'regexp does not match'); * * @name notMatch * @param {Mixed} value * @param {RegExp} regexp * @param {String} message * @api public */ assert.notMatch = function (exp, re, msg) { new Assertion(exp, msg).to.not.match(re); }; /** * ### .property(object, property, [message]) * * Asserts that `object` has a property named by `property`. * * assert.property({ tea: { green: 'matcha' }}, 'tea'); * * @name property * @param {Object} object * @param {String} property * @param {String} message * @api public */ assert.property = function (obj, prop, msg) { new Assertion(obj, msg).to.have.property(prop); }; /** * ### .notProperty(object, property, [message]) * * Asserts that `object` does _not_ have a property named by `property`. * * assert.notProperty({ tea: { green: 'matcha' }}, 'coffee'); * * @name notProperty * @param {Object} object * @param {String} property * @param {String} message * @api public */ assert.notProperty = function (obj, prop, msg) { new Assertion(obj, msg).to.not.have.property(prop); }; /** * ### .deepProperty(object, property, [message]) * * Asserts that `object` has a property named by `property`, which can be a * string using dot- and bracket-notation for deep reference. * * assert.deepProperty({ tea: { green: 'matcha' }}, 'tea.green'); * * @name deepProperty * @param {Object} object * @param {String} property * @param {String} message * @api public */ assert.deepProperty = function (obj, prop, msg) { new Assertion(obj, msg).to.have.deep.property(prop); }; /** * ### .notDeepProperty(object, property, [message]) * * Asserts that `object` does _not_ have a property named by `property`, which * can be a string using dot- and bracket-notation for deep reference. * * assert.notDeepProperty({ tea: { green: 'matcha' }}, 'tea.oolong'); * * @name notDeepProperty * @param {Object} object * @param {String} property * @param {String} message * @api public */ assert.notDeepProperty = function (obj, prop, msg) { new Assertion(obj, msg).to.not.have.deep.property(prop); }; /** * ### .propertyVal(object, property, value, [message]) * * Asserts that `object` has a property named by `property` with value given * by `value`. * * assert.propertyVal({ tea: 'is good' }, 'tea', 'is good'); * * @name propertyVal * @param {Object} object * @param {String} property * @param {Mixed} value * @param {String} message * @api public */ assert.propertyVal = function (obj, prop, val, msg) { new Assertion(obj, msg).to.have.property(prop, val); }; /** * ### .propertyNotVal(object, property, value, [message]) * * Asserts that `object` has a property named by `property`, but with a value * different from that given by `value`. * * assert.propertyNotVal({ tea: 'is good' }, 'tea', 'is bad'); * * @name propertyNotVal * @param {Object} object * @param {String} property * @param {Mixed} value * @param {String} message * @api public */ assert.propertyNotVal = function (obj, prop, val, msg) { new Assertion(obj, msg).to.not.have.property(prop, val); }; /** * ### .deepPropertyVal(object, property, value, [message]) * * Asserts that `object` has a property named by `property` with value given * by `value`. `property` can use dot- and bracket-notation for deep * reference. * * assert.deepPropertyVal({ tea: { green: 'matcha' }}, 'tea.green', 'matcha'); * * @name deepPropertyVal * @param {Object} object * @param {String} property * @param {Mixed} value * @param {String} message * @api public */ assert.deepPropertyVal = function (obj, prop, val, msg) { new Assertion(obj, msg).to.have.deep.property(prop, val); }; /** * ### .deepPropertyNotVal(object, property, value, [message]) * * Asserts that `object` has a property named by `property`, but with a value * different from that given by `value`. `property` can use dot- and * bracket-notation for deep reference. * * assert.deepPropertyNotVal({ tea: { green: 'matcha' }}, 'tea.green', 'konacha'); * * @name deepPropertyNotVal * @param {Object} object * @param {String} property * @param {Mixed} value * @param {String} message * @api public */ assert.deepPropertyNotVal = function (obj, prop, val, msg) { new Assertion(obj, msg).to.not.have.deep.property(prop, val); }; /** * ### .lengthOf(object, length, [message]) * * Asserts that `object` has a `length` property with the expected value. * * assert.lengthOf([1,2,3], 3, 'array has length of 3'); * assert.lengthOf('foobar', 5, 'string has length of 6'); * * @name lengthOf * @param {Mixed} object * @param {Number} length * @param {String} message * @api public */ assert.lengthOf = function (exp, len, msg) { new Assertion(exp, msg).to.have.length(len); }; /** * ### .throws(function, [constructor/string/regexp], [string/regexp], [message]) * * Asserts that `function` will throw an error that is an instance of * `constructor`, or alternately that it will throw an error with message * matching `regexp`. * * assert.throw(fn, 'function throws a reference error'); * assert.throw(fn, /function throws a reference error/); * assert.throw(fn, ReferenceError); * assert.throw(fn, ReferenceError, 'function throws a reference error'); * assert.throw(fn, ReferenceError, /function throws a reference error/); * * @name throws * @alias throw * @alias Throw * @param {Function} function * @param {ErrorConstructor} constructor * @param {RegExp} regexp * @param {String} message * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types * @api public */ assert.Throw = function (fn, errt, errs, msg) { if ('string' === typeof errt || errt instanceof RegExp) { errs = errt; errt = null; } var assertErr = new Assertion(fn, msg).to.Throw(errt, errs); return flag(assertErr, 'object'); }; /** * ### .doesNotThrow(function, [constructor/regexp], [message]) * * Asserts that `function` will _not_ throw an error that is an instance of * `constructor`, or alternately that it will not throw an error with message * matching `regexp`. * * assert.doesNotThrow(fn, Error, 'function does not throw'); * * @name doesNotThrow * @param {Function} function * @param {ErrorConstructor} constructor * @param {RegExp} regexp * @param {String} message * @see https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error#Error_types * @api public */ assert.doesNotThrow = function (fn, type, msg) { if ('string' === typeof type) { msg = type; type = null; } new Assertion(fn, msg).to.not.Throw(type); }; /** * ### .operator(val1, operator, val2, [message]) * * Compares two values using `operator`. * * assert.operator(1, '<', 2, 'everything is ok'); * assert.operator(1, '>', 2, 'this will fail'); * * @name operator * @param {Mixed} val1 * @param {String} operator * @param {Mixed} val2 * @param {String} message * @api public */ assert.operator = function (val, operator, val2, msg) { var ok; switch(operator) { case '==': ok = val == val2; break; case '===': ok = val === val2; break; case '>': ok = val > val2; break; case '>=': ok = val >= val2; break; case '<': ok = val < val2; break; case '<=': ok = val <= val2; break; case '!=': ok = val != val2; break; case '!==': ok = val !== val2; break; default: throw new Error('Invalid operator "' + operator + '"'); } var test = new Assertion(ok, msg); test.assert( true === flag(test, 'object') , 'expected ' + util.inspect(val) + ' to be ' + operator + ' ' + util.inspect(val2) , 'expected ' + util.inspect(val) + ' to not be ' + operator + ' ' + util.inspect(val2) ); }; /** * ### .closeTo(actual, expected, delta, [message]) * * Asserts that the target is equal `expected`, to within a +/- `delta` range. * * assert.closeTo(1.5, 1, 0.5, 'numbers are close'); * * @name closeTo * @param {Number} actual * @param {Number} expected * @param {Number} delta * @param {String} message * @api public */ assert.closeTo = function (act, exp, delta, msg) { new Assertion(act, msg).to.be.closeTo(exp, delta); }; /** * ### .sameMembers(set1, set2, [message]) * * Asserts that `set1` and `set2` have the same members. * Order is not taken into account. * * assert.sameMembers([ 1, 2, 3 ], [ 2, 1, 3 ], 'same members'); * * @name sameMembers * @param {Array} set1 * @param {Array} set2 * @param {String} message * @api public */ assert.sameMembers = function (set1, set2, msg) { new Assertion(set1, msg).to.have.same.members(set2); } /** * ### .sameDeepMembers(set1, set2, [message]) * * Asserts that `set1` and `set2` have the same members - using a deep equality checking. * Order is not taken into account. * * assert.sameDeepMembers([ {b: 3}, {a: 2}, {c: 5} ], [ {c: 5}, {b: 3}, {a: 2} ], 'same deep members'); * * @name sameDeepMembers * @param {Array} set1 * @param {Array} set2 * @param {String} message * @api public */ assert.sameDeepMembers = function (set1, set2, msg) { new Assertion(set1, msg).to.have.same.deep.members(set2); } /** * ### .includeMembers(superset, subset, [message]) * * Asserts that `subset` is included in `superset`. * Order is not taken into account. * * assert.includeMembers([ 1, 2, 3 ], [ 2, 1 ], 'include members'); * * @name includeMembers * @param {Array} superset * @param {Array} subset * @param {String} message * @api public */ assert.includeMembers = function (superset, subset, msg) { new Assertion(superset, msg).to.include.members(subset); } /** * ### .changes(function, object, property) * * Asserts that a function changes the value of a property * * var obj = { val: 10 }; * var fn = function() { obj.val = 22 }; * assert.changes(fn, obj, 'val'); * * @name changes * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.changes = function (fn, obj, prop) { new Assertion(fn).to.change(obj, prop); } /** * ### .doesNotChange(function, object, property) * * Asserts that a function does not changes the value of a property * * var obj = { val: 10 }; * var fn = function() { console.log('foo'); }; * assert.doesNotChange(fn, obj, 'val'); * * @name doesNotChange * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.doesNotChange = function (fn, obj, prop) { new Assertion(fn).to.not.change(obj, prop); } /** * ### .increases(function, object, property) * * Asserts that a function increases an object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 13 }; * assert.increases(fn, obj, 'val'); * * @name increases * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.increases = function (fn, obj, prop) { new Assertion(fn).to.increase(obj, prop); } /** * ### .doesNotIncrease(function, object, property) * * Asserts that a function does not increase object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 8 }; * assert.doesNotIncrease(fn, obj, 'val'); * * @name doesNotIncrease * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.doesNotIncrease = function (fn, obj, prop) { new Assertion(fn).to.not.increase(obj, prop); } /** * ### .decreases(function, object, property) * * Asserts that a function decreases an object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 5 }; * assert.decreases(fn, obj, 'val'); * * @name decreases * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.decreases = function (fn, obj, prop) { new Assertion(fn).to.decrease(obj, prop); } /** * ### .doesNotDecrease(function, object, property) * * Asserts that a function does not decreases an object property * * var obj = { val: 10 }; * var fn = function() { obj.val = 15 }; * assert.doesNotDecrease(fn, obj, 'val'); * * @name doesNotDecrease * @param {Function} modifier function * @param {Object} object * @param {String} property name * @param {String} message _optional_ * @api public */ assert.doesNotDecrease = function (fn, obj, prop) { new Assertion(fn).to.not.decrease(obj, prop); } /*! * Undocumented / untested */ assert.ifError = function (val, msg) { new Assertion(val, msg).to.not.be.ok; }; /*! * Aliases. */ (function alias(name, as){ assert[as] = assert[name]; return alias; }) ('Throw', 'throw') ('Throw', 'throws'); }; },{}],21:[function(require,module,exports){ /*! * chai * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ module.exports = function (chai, util) { chai.expect = function (val, message) { return new chai.Assertion(val, message); }; /** * ### .fail(actual, expected, [message], [operator]) * * Throw a failure. * * @name fail * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @param {String} operator * @api public */ chai.expect.fail = function (actual, expected, message, operator) { message = message || 'expect.fail()'; throw new chai.AssertionError(message, { actual: actual , expected: expected , operator: operator }, chai.expect.fail); }; }; },{}],22:[function(require,module,exports){ /*! * chai * Copyright(c) 2011-2014 Jake Luer * MIT Licensed */ module.exports = function (chai, util) { var Assertion = chai.Assertion; function loadShould () { // explicitly define this method as function as to have it's name to include as `ssfi` function shouldGetter() { if (this instanceof String || this instanceof Number || this instanceof Boolean ) { return new Assertion(this.valueOf(), null, shouldGetter); } return new Assertion(this, null, shouldGetter); } function shouldSetter(value) { // See https://github.com/chaijs/chai/issues/86: this makes // `whatever.should = someValue` actually set `someValue`, which is // especially useful for `global.should = require('chai').should()`. // // Note that we have to use [[DefineProperty]] instead of [[Put]] // since otherwise we would trigger this very setter! Object.defineProperty(this, 'should', { value: value, enumerable: true, configurable: true, writable: true }); } // modify Object.prototype to have `should` Object.defineProperty(Object.prototype, 'should', { set: shouldSetter , get: shouldGetter , configurable: true }); var should = {}; /** * ### .fail(actual, expected, [message], [operator]) * * Throw a failure. * * @name fail * @param {Mixed} actual * @param {Mixed} expected * @param {String} message * @param {String} operator * @api public */ should.fail = function (actual, expected, message, operator) { message = message || 'should.fail()'; throw new chai.AssertionError(message, { actual: actual , expected: expected , operator: operator }, should.fail); }; should.equal = function (val1, val2, msg) { new Assertion(val1, msg).to.equal(val2); }; should.Throw = function (fn, errt, errs, msg) { new Assertion(fn, msg).to.Throw(errt, errs); }; should.exist = function (val, msg) { new Assertion(val, msg).to.exist; } // negation should.not = {} should.not.equal = function (val1, val2, msg) { new Assertion(val1, msg).to.not.equal(val2); }; should.not.Throw = function (fn, errt, errs, msg) { new Assertion(fn, msg).to.not.Throw(errt, errs); }; should.not.exist = function (val, msg) { new Assertion(val, msg).to.not.exist; } should['throw'] = should['Throw']; should.not['throw'] = should.not['Throw']; return should; }; chai.should = loadShould; chai.Should = loadShould; }; },{}],23:[function(require,module,exports){ /*! * Chai - addChainingMethod utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /*! * Module dependencies */ var transferFlags = require('./transferFlags'); var flag = require('./flag'); var config = require('../config'); /*! * Module variables */ // Check whether `__proto__` is supported var hasProtoSupport = '__proto__' in Object; // Without `__proto__` support, this module will need to add properties to a function. // However, some Function.prototype methods cannot be overwritten, // and there seems no easy cross-platform way to detect them (@see chaijs/chai/issues/69). var excludeNames = /^(?:length|name|arguments|caller)$/; // Cache `Function` properties var call = Function.prototype.call, apply = Function.prototype.apply; /** * ### addChainableMethod (ctx, name, method, chainingBehavior) * * Adds a method to an object, such that the method can also be chained. * * utils.addChainableMethod(chai.Assertion.prototype, 'foo', function (str) { * var obj = utils.flag(this, 'object'); * new chai.Assertion(obj).to.be.equal(str); * }); * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.addChainableMethod('foo', fn, chainingBehavior); * * The result can then be used as both a method assertion, executing both `method` and * `chainingBehavior`, or as a language chain, which only executes `chainingBehavior`. * * expect(fooStr).to.be.foo('bar'); * expect(fooStr).to.be.foo.equal('foo'); * * @param {Object} ctx object to which the method is added * @param {String} name of method to add * @param {Function} method function to be used for `name`, when called * @param {Function} chainingBehavior function to be called every time the property is accessed * @name addChainableMethod * @api public */ module.exports = function (ctx, name, method, chainingBehavior) { if (typeof chainingBehavior !== 'function') { chainingBehavior = function () { }; } var chainableBehavior = { method: method , chainingBehavior: chainingBehavior }; // save the methods so we can overwrite them later, if we need to. if (!ctx.__methods) { ctx.__methods = {}; } ctx.__methods[name] = chainableBehavior; Object.defineProperty(ctx, name, { get: function () { chainableBehavior.chainingBehavior.call(this); var assert = function assert() { var old_ssfi = flag(this, 'ssfi'); if (old_ssfi && config.includeStack === false) flag(this, 'ssfi', assert); var result = chainableBehavior.method.apply(this, arguments); return result === undefined ? this : result; }; // Use `__proto__` if available if (hasProtoSupport) { // Inherit all properties from the object by replacing the `Function` prototype var prototype = assert.__proto__ = Object.create(this); // Restore the `call` and `apply` methods from `Function` prototype.call = call; prototype.apply = apply; } // Otherwise, redefine all properties (slow!) else { var asserterNames = Object.getOwnPropertyNames(ctx); asserterNames.forEach(function (asserterName) { if (!excludeNames.test(asserterName)) { var pd = Object.getOwnPropertyDescriptor(ctx, asserterName); Object.defineProperty(assert, asserterName, pd); } }); } transferFlags(this, assert); return assert; } , configurable: true }); }; },{"../config":18,"./flag":26,"./transferFlags":42}],24:[function(require,module,exports){ /*! * Chai - addMethod utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ var config = require('../config'); /** * ### .addMethod (ctx, name, method) * * Adds a method to the prototype of an object. * * utils.addMethod(chai.Assertion.prototype, 'foo', function (str) { * var obj = utils.flag(this, 'object'); * new chai.Assertion(obj).to.be.equal(str); * }); * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.addMethod('foo', fn); * * Then can be used as any other assertion. * * expect(fooStr).to.be.foo('bar'); * * @param {Object} ctx object to which the method is added * @param {String} name of method to add * @param {Function} method function to be used for name * @name addMethod * @api public */ var flag = require('./flag'); module.exports = function (ctx, name, method) { ctx[name] = function () { var old_ssfi = flag(this, 'ssfi'); if (old_ssfi && config.includeStack === false) flag(this, 'ssfi', ctx[name]); var result = method.apply(this, arguments); return result === undefined ? this : result; }; }; },{"../config":18,"./flag":26}],25:[function(require,module,exports){ /*! * Chai - addProperty utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### addProperty (ctx, name, getter) * * Adds a property to the prototype of an object. * * utils.addProperty(chai.Assertion.prototype, 'foo', function () { * var obj = utils.flag(this, 'object'); * new chai.Assertion(obj).to.be.instanceof(Foo); * }); * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.addProperty('foo', fn); * * Then can be used as any other assertion. * * expect(myFoo).to.be.foo; * * @param {Object} ctx object to which the property is added * @param {String} name of property to add * @param {Function} getter function to be used for name * @name addProperty * @api public */ module.exports = function (ctx, name, getter) { Object.defineProperty(ctx, name, { get: function () { var result = getter.call(this); return result === undefined ? this : result; } , configurable: true }); }; },{}],26:[function(require,module,exports){ /*! * Chai - flag utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### flag(object, key, [value]) * * Get or set a flag value on an object. If a * value is provided it will be set, else it will * return the currently set value or `undefined` if * the value is not set. * * utils.flag(this, 'foo', 'bar'); // setter * utils.flag(this, 'foo'); // getter, returns `bar` * * @param {Object} object constructed Assertion * @param {String} key * @param {Mixed} value (optional) * @name flag * @api private */ module.exports = function (obj, key, value) { var flags = obj.__flags || (obj.__flags = Object.create(null)); if (arguments.length === 3) { flags[key] = value; } else { return flags[key]; } }; },{}],27:[function(require,module,exports){ /*! * Chai - getActual utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * # getActual(object, [actual]) * * Returns the `actual` value for an Assertion * * @param {Object} object (constructed Assertion) * @param {Arguments} chai.Assertion.prototype.assert arguments */ module.exports = function (obj, args) { return args.length > 4 ? args[4] : obj._obj; }; },{}],28:[function(require,module,exports){ /*! * Chai - getEnumerableProperties utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### .getEnumerableProperties(object) * * This allows the retrieval of enumerable property names of an object, * inherited or not. * * @param {Object} object * @returns {Array} * @name getEnumerableProperties * @api public */ module.exports = function getEnumerableProperties(object) { var result = []; for (var name in object) { result.push(name); } return result; }; },{}],29:[function(require,module,exports){ /*! * Chai - message composition utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /*! * Module dependancies */ var flag = require('./flag') , getActual = require('./getActual') , inspect = require('./inspect') , objDisplay = require('./objDisplay'); /** * ### .getMessage(object, message, negateMessage) * * Construct the error message based on flags * and template tags. Template tags will return * a stringified inspection of the object referenced. * * Message template tags: * - `#{this}` current asserted object * - `#{act}` actual value * - `#{exp}` expected value * * @param {Object} object (constructed Assertion) * @param {Arguments} chai.Assertion.prototype.assert arguments * @name getMessage * @api public */ module.exports = function (obj, args) { var negate = flag(obj, 'negate') , val = flag(obj, 'object') , expected = args[3] , actual = getActual(obj, args) , msg = negate ? args[2] : args[1] , flagMsg = flag(obj, 'message'); if(typeof msg === "function") msg = msg(); msg = msg || ''; msg = msg .replace(/#{this}/g, objDisplay(val)) .replace(/#{act}/g, objDisplay(actual)) .replace(/#{exp}/g, objDisplay(expected)); return flagMsg ? flagMsg + ': ' + msg : msg; }; },{"./flag":26,"./getActual":27,"./inspect":36,"./objDisplay":37}],30:[function(require,module,exports){ /*! * Chai - getName utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * # getName(func) * * Gets the name of a function, in a cross-browser way. * * @param {Function} a function (usually a constructor) */ module.exports = function (func) { if (func.name) return func.name; var match = /^\s?function ([^(]*)\(/.exec(func); return match && match[1] ? match[1] : ""; }; },{}],31:[function(require,module,exports){ /*! * Chai - getPathInfo utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ var hasProperty = require('./hasProperty'); /** * ### .getPathInfo(path, object) * * This allows the retrieval of property info in an * object given a string path. * * The path info consists of an object with the * following properties: * * * parent - The parent object of the property referenced by `path` * * name - The name of the final property, a number if it was an array indexer * * value - The value of the property, if it exists, otherwise `undefined` * * exists - Whether the property exists or not * * @param {String} path * @param {Object} object * @returns {Object} info * @name getPathInfo * @api public */ module.exports = function getPathInfo(path, obj) { var parsed = parsePath(path), last = parsed[parsed.length - 1]; var info = { parent: parsed.length > 1 ? _getPathValue(parsed, obj, parsed.length - 1) : obj, name: last.p || last.i, value: _getPathValue(parsed, obj), }; info.exists = hasProperty(info.name, info.parent); return info; }; /*! * ## parsePath(path) * * Helper function used to parse string object * paths. Use in conjunction with `_getPathValue`. * * var parsed = parsePath('myobject.property.subprop'); * * ### Paths: * * * Can be as near infinitely deep and nested * * Arrays are also valid using the formal `myobject.document[3].property`. * * Literal dots and brackets (not delimiter) must be backslash-escaped. * * @param {String} path * @returns {Object} parsed * @api private */ function parsePath (path) { var str = path.replace(/([^\\])\[/g, '$1.[') , parts = str.match(/(\\\.|[^.]+?)+/g); return parts.map(function (value) { var re = /^\[(\d+)\]$/ , mArr = re.exec(value); if (mArr) return { i: parseFloat(mArr[1]) }; else return { p: value.replace(/\\([.\[\]])/g, '$1') }; }); } /*! * ## _getPathValue(parsed, obj) * * Helper companion function for `.parsePath` that returns * the value located at the parsed address. * * var value = getPathValue(parsed, obj); * * @param {Object} parsed definition from `parsePath`. * @param {Object} object to search against * @param {Number} object to search against * @returns {Object|Undefined} value * @api private */ function _getPathValue (parsed, obj, index) { var tmp = obj , res; index = (index === undefined ? parsed.length : index); for (var i = 0, l = index; i < l; i++) { var part = parsed[i]; if (tmp) { if ('undefined' !== typeof part.p) tmp = tmp[part.p]; else if ('undefined' !== typeof part.i) tmp = tmp[part.i]; if (i == (l - 1)) res = tmp; } else { res = undefined; } } return res; } },{"./hasProperty":34}],32:[function(require,module,exports){ /*! * Chai - getPathValue utility * Copyright(c) 2012-2014 Jake Luer * @see https://github.com/logicalparadox/filtr * MIT Licensed */ var getPathInfo = require('./getPathInfo'); /** * ### .getPathValue(path, object) * * This allows the retrieval of values in an * object given a string path. * * var obj = { * prop1: { * arr: ['a', 'b', 'c'] * , str: 'Hello' * } * , prop2: { * arr: [ { nested: 'Universe' } ] * , str: 'Hello again!' * } * } * * The following would be the results. * * getPathValue('prop1.str', obj); // Hello * getPathValue('prop1.att[2]', obj); // b * getPathValue('prop2.arr[0].nested', obj); // Universe * * @param {String} path * @param {Object} object * @returns {Object} value or `undefined` * @name getPathValue * @api public */ module.exports = function(path, obj) { var info = getPathInfo(path, obj); return info.value; }; },{"./getPathInfo":31}],33:[function(require,module,exports){ /*! * Chai - getProperties utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### .getProperties(object) * * This allows the retrieval of property names of an object, enumerable or not, * inherited or not. * * @param {Object} object * @returns {Array} * @name getProperties * @api public */ module.exports = function getProperties(object) { var result = Object.getOwnPropertyNames(subject); function addProperty(property) { if (result.indexOf(property) === -1) { result.push(property); } } var proto = Object.getPrototypeOf(subject); while (proto !== null) { Object.getOwnPropertyNames(proto).forEach(addProperty); proto = Object.getPrototypeOf(proto); } return result; }; },{}],34:[function(require,module,exports){ /*! * Chai - hasProperty utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ var type = require('./type'); /** * ### .hasProperty(object, name) * * This allows checking whether an object has * named property or numeric array index. * * Basically does the same thing as the `in` * operator but works properly with natives * and null/undefined values. * * var obj = { * arr: ['a', 'b', 'c'] * , str: 'Hello' * } * * The following would be the results. * * hasProperty('str', obj); // true * hasProperty('constructor', obj); // true * hasProperty('bar', obj); // false * * hasProperty('length', obj.str); // true * hasProperty(1, obj.str); // true * hasProperty(5, obj.str); // false * * hasProperty('length', obj.arr); // true * hasProperty(2, obj.arr); // true * hasProperty(3, obj.arr); // false * * @param {Objuect} object * @param {String|Number} name * @returns {Boolean} whether it exists * @name getPathInfo * @api public */ var literals = { 'number': Number , 'string': String }; module.exports = function hasProperty(name, obj) { var ot = type(obj); // Bad Object, obviously no props at all if(ot === 'null' || ot === 'undefined') return false; // The `in` operator does not work with certain literals // box these before the check if(literals[ot] && typeof obj !== 'object') obj = new literals[ot](obj); return name in obj; }; },{"./type":43}],35:[function(require,module,exports){ /*! * chai * Copyright(c) 2011 Jake Luer * MIT Licensed */ /*! * Main exports */ var exports = module.exports = {}; /*! * test utility */ exports.test = require('./test'); /*! * type utility */ exports.type = require('./type'); /*! * message utility */ exports.getMessage = require('./getMessage'); /*! * actual utility */ exports.getActual = require('./getActual'); /*! * Inspect util */ exports.inspect = require('./inspect'); /*! * Object Display util */ exports.objDisplay = require('./objDisplay'); /*! * Flag utility */ exports.flag = require('./flag'); /*! * Flag transferring utility */ exports.transferFlags = require('./transferFlags'); /*! * Deep equal utility */ exports.eql = require('deep-eql'); /*! * Deep path value */ exports.getPathValue = require('./getPathValue'); /*! * Deep path info */ exports.getPathInfo = require('./getPathInfo'); /*! * Check if a property exists */ exports.hasProperty = require('./hasProperty'); /*! * Function name */ exports.getName = require('./getName'); /*! * add Property */ exports.addProperty = require('./addProperty'); /*! * add Method */ exports.addMethod = require('./addMethod'); /*! * overwrite Property */ exports.overwriteProperty = require('./overwriteProperty'); /*! * overwrite Method */ exports.overwriteMethod = require('./overwriteMethod'); /*! * Add a chainable method */ exports.addChainableMethod = require('./addChainableMethod'); /*! * Overwrite chainable method */ exports.overwriteChainableMethod = require('./overwriteChainableMethod'); },{"./addChainableMethod":23,"./addMethod":24,"./addProperty":25,"./flag":26,"./getActual":27,"./getMessage":29,"./getName":30,"./getPathInfo":31,"./getPathValue":32,"./hasProperty":34,"./inspect":36,"./objDisplay":37,"./overwriteChainableMethod":38,"./overwriteMethod":39,"./overwriteProperty":40,"./test":41,"./transferFlags":42,"./type":43,"deep-eql":45}],36:[function(require,module,exports){ // This is (almost) directly from Node.js utils // https://github.com/joyent/node/blob/f8c335d0caf47f16d31413f89aa28eda3878e3aa/lib/util.js var getName = require('./getName'); var getProperties = require('./getProperties'); var getEnumerableProperties = require('./getEnumerableProperties'); module.exports = inspect; /** * Echos the value of a value. Trys to print the value out * in the best way possible given the different types. * * @param {Object} obj The object to print out. * @param {Boolean} showHidden Flag that shows hidden (not enumerable) * properties of objects. * @param {Number} depth Depth in which to descend in object. Default is 2. * @param {Boolean} colors Flag to turn on ANSI escape codes to color the * output. Default is false (no coloring). */ function inspect(obj, showHidden, depth, colors) { var ctx = { showHidden: showHidden, seen: [], stylize: function (str) { return str; } }; return formatValue(ctx, obj, (typeof depth === 'undefined' ? 2 : depth)); } // Returns true if object is a DOM element. var isDOMElement = function (object) { if (typeof HTMLElement === 'object') { return object instanceof HTMLElement; } else { return object && typeof object === 'object' && object.nodeType === 1 && typeof object.nodeName === 'string'; } }; function formatValue(ctx, value, recurseTimes) { // Provide a hook for user-specified inspect functions. // Check that value is an object with an inspect function on it if (value && typeof value.inspect === 'function' && // Filter out the util module, it's inspect function is special value.inspect !== exports.inspect && // Also filter out any prototype objects using the circular check. !(value.constructor && value.constructor.prototype === value)) { var ret = value.inspect(recurseTimes); if (typeof ret !== 'string') { ret = formatValue(ctx, ret, recurseTimes); } return ret; } // Primitive types cannot have properties var primitive = formatPrimitive(ctx, value); if (primitive) { return primitive; } // If this is a DOM element, try to get the outer HTML. if (isDOMElement(value)) { if ('outerHTML' in value) { return value.outerHTML; // This value does not have an outerHTML attribute, // it could still be an XML element } else { // Attempt to serialize it try { if (document.xmlVersion) { var xmlSerializer = new XMLSerializer(); return xmlSerializer.serializeToString(value); } else { // Firefox 11- do not support outerHTML // It does, however, support innerHTML // Use the following to render the element var ns = "http://www.w3.org/1999/xhtml"; var container = document.createElementNS(ns, '_'); container.appendChild(value.cloneNode(false)); html = container.innerHTML .replace('><', '>' + value.innerHTML + '<'); container.innerHTML = ''; return html; } } catch (err) { // This could be a non-native DOM implementation, // continue with the normal flow: // printing the element as if it is an object. } } } // Look up the keys of the object. var visibleKeys = getEnumerableProperties(value); var keys = ctx.showHidden ? getProperties(value) : visibleKeys; // Some type of object without properties can be shortcutted. // In IE, errors have a single `stack` property, or if they are vanilla `Error`, // a `stack` plus `description` property; ignore those for consistency. if (keys.length === 0 || (isError(value) && ( (keys.length === 1 && keys[0] === 'stack') || (keys.length === 2 && keys[0] === 'description' && keys[1] === 'stack') ))) { if (typeof value === 'function') { var name = getName(value); var nameSuffix = name ? ': ' + name : ''; return ctx.stylize('[Function' + nameSuffix + ']', 'special'); } if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } if (isDate(value)) { return ctx.stylize(Date.prototype.toUTCString.call(value), 'date'); } if (isError(value)) { return formatError(value); } } var base = '', array = false, braces = ['{', '}']; // Make Array say that they are Array if (isArray(value)) { array = true; braces = ['[', ']']; } // Make functions say that they are functions if (typeof value === 'function') { var name = getName(value); var nameSuffix = name ? ': ' + name : ''; base = ' [Function' + nameSuffix + ']'; } // Make RegExps say that they are RegExps if (isRegExp(value)) { base = ' ' + RegExp.prototype.toString.call(value); } // Make dates with properties first say the date if (isDate(value)) { base = ' ' + Date.prototype.toUTCString.call(value); } // Make error with message first say the error if (isError(value)) { return formatError(value); } if (keys.length === 0 && (!array || value.length == 0)) { return braces[0] + base + braces[1]; } if (recurseTimes < 0) { if (isRegExp(value)) { return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp'); } else { return ctx.stylize('[Object]', 'special'); } } ctx.seen.push(value); var output; if (array) { output = formatArray(ctx, value, recurseTimes, visibleKeys, keys); } else { output = keys.map(function(key) { return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array); }); } ctx.seen.pop(); return reduceToSingleString(output, base, braces); } function formatPrimitive(ctx, value) { switch (typeof value) { case 'undefined': return ctx.stylize('undefined', 'undefined'); case 'string': var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '') .replace(/'/g, "\\'") .replace(/\\"/g, '"') + '\''; return ctx.stylize(simple, 'string'); case 'number': if (value === 0 && (1/value) === -Infinity) { return ctx.stylize('-0', 'number'); } return ctx.stylize('' + value, 'number'); case 'boolean': return ctx.stylize('' + value, 'boolean'); } // For some reason typeof null is "object", so special case here. if (value === null) { return ctx.stylize('null', 'null'); } } function formatError(value) { return '[' + Error.prototype.toString.call(value) + ']'; } function formatArray(ctx, value, recurseTimes, visibleKeys, keys) { var output = []; for (var i = 0, l = value.length; i < l; ++i) { if (Object.prototype.hasOwnProperty.call(value, String(i))) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, String(i), true)); } else { output.push(''); } } keys.forEach(function(key) { if (!key.match(/^\d+$/)) { output.push(formatProperty(ctx, value, recurseTimes, visibleKeys, key, true)); } }); return output; } function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) { var name, str; if (value.__lookupGetter__) { if (value.__lookupGetter__(key)) { if (value.__lookupSetter__(key)) { str = ctx.stylize('[Getter/Setter]', 'special'); } else { str = ctx.stylize('[Getter]', 'special'); } } else { if (value.__lookupSetter__(key)) { str = ctx.stylize('[Setter]', 'special'); } } } if (visibleKeys.indexOf(key) < 0) { name = '[' + key + ']'; } if (!str) { if (ctx.seen.indexOf(value[key]) < 0) { if (recurseTimes === null) { str = formatValue(ctx, value[key], null); } else { str = formatValue(ctx, value[key], recurseTimes - 1); } if (str.indexOf('\n') > -1) { if (array) { str = str.split('\n').map(function(line) { return ' ' + line; }).join('\n').substr(2); } else { str = '\n' + str.split('\n').map(function(line) { return ' ' + line; }).join('\n'); } } } else { str = ctx.stylize('[Circular]', 'special'); } } if (typeof name === 'undefined') { if (array && key.match(/^\d+$/)) { return str; } name = JSON.stringify('' + key); if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { name = name.substr(1, name.length - 2); name = ctx.stylize(name, 'name'); } else { name = name.replace(/'/g, "\\'") .replace(/\\"/g, '"') .replace(/(^"|"$)/g, "'"); name = ctx.stylize(name, 'string'); } } return name + ': ' + str; } function reduceToSingleString(output, base, braces) { var numLinesEst = 0; var length = output.reduce(function(prev, cur) { numLinesEst++; if (cur.indexOf('\n') >= 0) numLinesEst++; return prev + cur.length + 1; }, 0); if (length > 60) { return braces[0] + (base === '' ? '' : base + '\n ') + ' ' + output.join(',\n ') + ' ' + braces[1]; } return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; } function isArray(ar) { return Array.isArray(ar) || (typeof ar === 'object' && objectToString(ar) === '[object Array]'); } function isRegExp(re) { return typeof re === 'object' && objectToString(re) === '[object RegExp]'; } function isDate(d) { return typeof d === 'object' && objectToString(d) === '[object Date]'; } function isError(e) { return typeof e === 'object' && objectToString(e) === '[object Error]'; } function objectToString(o) { return Object.prototype.toString.call(o); } },{"./getEnumerableProperties":28,"./getName":30,"./getProperties":33}],37:[function(require,module,exports){ /*! * Chai - flag utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /*! * Module dependancies */ var inspect = require('./inspect'); var config = require('../config'); /** * ### .objDisplay (object) * * Determines if an object or an array matches * criteria to be inspected in-line for error * messages or should be truncated. * * @param {Mixed} javascript object to inspect * @name objDisplay * @api public */ module.exports = function (obj) { var str = inspect(obj) , type = Object.prototype.toString.call(obj); if (config.truncateThreshold && str.length >= config.truncateThreshold) { if (type === '[object Function]') { return !obj.name || obj.name === '' ? '[Function]' : '[Function: ' + obj.name + ']'; } else if (type === '[object Array]') { return '[ Array(' + obj.length + ') ]'; } else if (type === '[object Object]') { var keys = Object.keys(obj) , kstr = keys.length > 2 ? keys.splice(0, 2).join(', ') + ', ...' : keys.join(', '); return '{ Object (' + kstr + ') }'; } else { return str; } } else { return str; } }; },{"../config":18,"./inspect":36}],38:[function(require,module,exports){ /*! * Chai - overwriteChainableMethod utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### overwriteChainableMethod (ctx, name, method, chainingBehavior) * * Overwites an already existing chainable method * and provides access to the previous function or * property. Must return functions to be used for * name. * * utils.overwriteChainableMethod(chai.Assertion.prototype, 'length', * function (_super) { * } * , function (_super) { * } * ); * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.overwriteChainableMethod('foo', fn, fn); * * Then can be used as any other assertion. * * expect(myFoo).to.have.length(3); * expect(myFoo).to.have.length.above(3); * * @param {Object} ctx object whose method / property is to be overwritten * @param {String} name of method / property to overwrite * @param {Function} method function that returns a function to be used for name * @param {Function} chainingBehavior function that returns a function to be used for property * @name overwriteChainableMethod * @api public */ module.exports = function (ctx, name, method, chainingBehavior) { var chainableBehavior = ctx.__methods[name]; var _chainingBehavior = chainableBehavior.chainingBehavior; chainableBehavior.chainingBehavior = function () { var result = chainingBehavior(_chainingBehavior).call(this); return result === undefined ? this : result; }; var _method = chainableBehavior.method; chainableBehavior.method = function () { var result = method(_method).apply(this, arguments); return result === undefined ? this : result; }; }; },{}],39:[function(require,module,exports){ /*! * Chai - overwriteMethod utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### overwriteMethod (ctx, name, fn) * * Overwites an already existing method and provides * access to previous function. Must return function * to be used for name. * * utils.overwriteMethod(chai.Assertion.prototype, 'equal', function (_super) { * return function (str) { * var obj = utils.flag(this, 'object'); * if (obj instanceof Foo) { * new chai.Assertion(obj.value).to.equal(str); * } else { * _super.apply(this, arguments); * } * } * }); * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.overwriteMethod('foo', fn); * * Then can be used as any other assertion. * * expect(myFoo).to.equal('bar'); * * @param {Object} ctx object whose method is to be overwritten * @param {String} name of method to overwrite * @param {Function} method function that returns a function to be used for name * @name overwriteMethod * @api public */ module.exports = function (ctx, name, method) { var _method = ctx[name] , _super = function () { return this; }; if (_method && 'function' === typeof _method) _super = _method; ctx[name] = function () { var result = method(_super).apply(this, arguments); return result === undefined ? this : result; } }; },{}],40:[function(require,module,exports){ /*! * Chai - overwriteProperty utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### overwriteProperty (ctx, name, fn) * * Overwites an already existing property getter and provides * access to previous value. Must return function to use as getter. * * utils.overwriteProperty(chai.Assertion.prototype, 'ok', function (_super) { * return function () { * var obj = utils.flag(this, 'object'); * if (obj instanceof Foo) { * new chai.Assertion(obj.name).to.equal('bar'); * } else { * _super.call(this); * } * } * }); * * * Can also be accessed directly from `chai.Assertion`. * * chai.Assertion.overwriteProperty('foo', fn); * * Then can be used as any other assertion. * * expect(myFoo).to.be.ok; * * @param {Object} ctx object whose property is to be overwritten * @param {String} name of property to overwrite * @param {Function} getter function that returns a getter function to be used for name * @name overwriteProperty * @api public */ module.exports = function (ctx, name, getter) { var _get = Object.getOwnPropertyDescriptor(ctx, name) , _super = function () {}; if (_get && 'function' === typeof _get.get) _super = _get.get Object.defineProperty(ctx, name, { get: function () { var result = getter(_super).call(this); return result === undefined ? this : result; } , configurable: true }); }; },{}],41:[function(require,module,exports){ /*! * Chai - test utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /*! * Module dependancies */ var flag = require('./flag'); /** * # test(object, expression) * * Test and object for expression. * * @param {Object} object (constructed Assertion) * @param {Arguments} chai.Assertion.prototype.assert arguments */ module.exports = function (obj, args) { var negate = flag(obj, 'negate') , expr = args[0]; return negate ? !expr : expr; }; },{"./flag":26}],42:[function(require,module,exports){ /*! * Chai - transferFlags utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /** * ### transferFlags(assertion, object, includeAll = true) * * Transfer all the flags for `assertion` to `object`. If * `includeAll` is set to `false`, then the base Chai * assertion flags (namely `object`, `ssfi`, and `message`) * will not be transferred. * * * var newAssertion = new Assertion(); * utils.transferFlags(assertion, newAssertion); * * var anotherAsseriton = new Assertion(myObj); * utils.transferFlags(assertion, anotherAssertion, false); * * @param {Assertion} assertion the assertion to transfer the flags from * @param {Object} object the object to transfer the flags to; usually a new assertion * @param {Boolean} includeAll * @name transferFlags * @api private */ module.exports = function (assertion, object, includeAll) { var flags = assertion.__flags || (assertion.__flags = Object.create(null)); if (!object.__flags) { object.__flags = Object.create(null); } includeAll = arguments.length === 3 ? includeAll : true; for (var flag in flags) { if (includeAll || (flag !== 'object' && flag !== 'ssfi' && flag != 'message')) { object.__flags[flag] = flags[flag]; } } }; },{}],43:[function(require,module,exports){ /*! * Chai - type utility * Copyright(c) 2012-2014 Jake Luer * MIT Licensed */ /*! * Detectable javascript natives */ var natives = { '[object Arguments]': 'arguments' , '[object Array]': 'array' , '[object Date]': 'date' , '[object Function]': 'function' , '[object Number]': 'number' , '[object RegExp]': 'regexp' , '[object String]': 'string' }; /** * ### type(object) * * Better implementation of `typeof` detection that can * be used cross-browser. Handles the inconsistencies of * Array, `null`, and `undefined` detection. * * utils.type({}) // 'object' * utils.type(null) // `null' * utils.type(undefined) // `undefined` * utils.type([]) // `array` * * @param {Mixed} object to detect type of * @name type * @api private */ module.exports = function (obj) { var str = Object.prototype.toString.call(obj); if (natives[str]) return natives[str]; if (obj === null) return 'null'; if (obj === undefined) return 'undefined'; if (obj === Object(obj)) return 'object'; return typeof obj; }; },{}],44:[function(require,module,exports){ /*! * assertion-error * Copyright(c) 2013 Jake Luer * MIT Licensed */ /*! * Return a function that will copy properties from * one object to another excluding any originally * listed. Returned function will create a new `{}`. * * @param {String} excluded properties ... * @return {Function} */ function exclude () { var excludes = [].slice.call(arguments); function excludeProps (res, obj) { Object.keys(obj).forEach(function (key) { if (!~excludes.indexOf(key)) res[key] = obj[key]; }); } return function extendExclude () { var args = [].slice.call(arguments) , i = 0 , res = {}; for (; i < args.length; i++) { excludeProps(res, args[i]); } return res; }; }; /*! * Primary Exports */ module.exports = AssertionError; /** * ### AssertionError * * An extension of the JavaScript `Error` constructor for * assertion and validation scenarios. * * @param {String} message * @param {Object} properties to include (optional) * @param {callee} start stack function (optional) */ function AssertionError (message, _props, ssf) { var extend = exclude('name', 'message', 'stack', 'constructor', 'toJSON') , props = extend(_props || {}); // default values this.message = message || 'Unspecified AssertionError'; this.showDiff = false; // copy from properties for (var key in props) { this[key] = props[key]; } // capture stack trace ssf = ssf || arguments.callee; if (ssf && Error.captureStackTrace) { Error.captureStackTrace(this, ssf); } } /*! * Inherit from Error.prototype */ AssertionError.prototype = Object.create(Error.prototype); /*! * Statically set name */ AssertionError.prototype.name = 'AssertionError'; /*! * Ensure correct constructor */ AssertionError.prototype.constructor = AssertionError; /** * Allow errors to be converted to JSON for static transfer. * * @param {Boolean} include stack (default: `true`) * @return {Object} object that can be `JSON.stringify` */ AssertionError.prototype.toJSON = function (stack) { var extend = exclude('constructor', 'toJSON', 'stack') , props = extend({ name: this.name }, this); // include stack if exists and not turned off if (false !== stack && this.stack) { props.stack = this.stack; } return props; }; },{}],45:[function(require,module,exports){ module.exports = require('./lib/eql'); },{"./lib/eql":46}],46:[function(require,module,exports){ /*! * deep-eql * Copyright(c) 2013 Jake Luer * MIT Licensed */ /*! * Module dependencies */ var type = require('type-detect'); /*! * Buffer.isBuffer browser shim */ var Buffer; try { Buffer = require('buffer').Buffer; } catch(ex) { Buffer = {}; Buffer.isBuffer = function() { return false; } } /*! * Primary Export */ module.exports = deepEqual; /** * Assert super-strict (egal) equality between * two objects of any type. * * @param {Mixed} a * @param {Mixed} b * @param {Array} memoised (optional) * @return {Boolean} equal match */ function deepEqual(a, b, m) { if (sameValue(a, b)) { return true; } else if ('date' === type(a)) { return dateEqual(a, b); } else if ('regexp' === type(a)) { return regexpEqual(a, b); } else if (Buffer.isBuffer(a)) { return bufferEqual(a, b); } else if ('arguments' === type(a)) { return argumentsEqual(a, b, m); } else if (!typeEqual(a, b)) { return false; } else if (('object' !== type(a) && 'object' !== type(b)) && ('array' !== type(a) && 'array' !== type(b))) { return sameValue(a, b); } else { return objectEqual(a, b, m); } } /*! * Strict (egal) equality test. Ensures that NaN always * equals NaN and `-0` does not equal `+0`. * * @param {Mixed} a * @param {Mixed} b * @return {Boolean} equal match */ function sameValue(a, b) { if (a === b) return a !== 0 || 1 / a === 1 / b; return a !== a && b !== b; } /*! * Compare the types of two given objects and * return if they are equal. Note that an Array * has a type of `array` (not `object`) and arguments * have a type of `arguments` (not `array`/`object`). * * @param {Mixed} a * @param {Mixed} b * @return {Boolean} result */ function typeEqual(a, b) { return type(a) === type(b); } /*! * Compare two Date objects by asserting that * the time values are equal using `saveValue`. * * @param {Date} a * @param {Date} b * @return {Boolean} result */ function dateEqual(a, b) { if ('date' !== type(b)) return false; return sameValue(a.getTime(), b.getTime()); } /*! * Compare two regular expressions by converting them * to string and checking for `sameValue`. * * @param {RegExp} a * @param {RegExp} b * @return {Boolean} result */ function regexpEqual(a, b) { if ('regexp' !== type(b)) return false; return sameValue(a.toString(), b.toString()); } /*! * Assert deep equality of two `arguments` objects. * Unfortunately, these must be sliced to arrays * prior to test to ensure no bad behavior. * * @param {Arguments} a * @param {Arguments} b * @param {Array} memoize (optional) * @return {Boolean} result */ function argumentsEqual(a, b, m) { if ('arguments' !== type(b)) return false; a = [].slice.call(a); b = [].slice.call(b); return deepEqual(a, b, m); } /*! * Get enumerable properties of a given object. * * @param {Object} a * @return {Array} property names */ function enumerable(a) { var res = []; for (var key in a) res.push(key); return res; } /*! * Simple equality for flat iterable objects * such as Arrays or Node.js buffers. * * @param {Iterable} a * @param {Iterable} b * @return {Boolean} result */ function iterableEqual(a, b) { if (a.length !== b.length) return false; var i = 0; var match = true; for (; i < a.length; i++) { if (a[i] !== b[i]) { match = false; break; } } return match; } /*! * Extension to `iterableEqual` specifically * for Node.js Buffers. * * @param {Buffer} a * @param {Mixed} b * @return {Boolean} result */ function bufferEqual(a, b) { if (!Buffer.isBuffer(b)) return false; return iterableEqual(a, b); } /*! * Block for `objectEqual` ensuring non-existing * values don't get in. * * @param {Mixed} object * @return {Boolean} result */ function isValue(a) { return a !== null && a !== undefined; } /*! * Recursively check the equality of two objects. * Once basic sameness has been established it will * defer to `deepEqual` for each enumerable key * in the object. * * @param {Mixed} a * @param {Mixed} b * @return {Boolean} result */ function objectEqual(a, b, m) { if (!isValue(a) || !isValue(b)) { return false; } if (a.prototype !== b.prototype) { return false; } var i; if (m) { for (i = 0; i < m.length; i++) { if ((m[i][0] === a && m[i][1] === b) || (m[i][0] === b && m[i][1] === a)) { return true; } } } else { m = []; } try { var ka = enumerable(a); var kb = enumerable(b); } catch (ex) { return false; } ka.sort(); kb.sort(); if (!iterableEqual(ka, kb)) { return false; } m.push([ a, b ]); var key; for (i = ka.length - 1; i >= 0; i--) { key = ka[i]; if (!deepEqual(a[key], b[key], m)) { return false; } } return true; } },{"buffer":91,"type-detect":47}],47:[function(require,module,exports){ module.exports = require('./lib/type'); },{"./lib/type":48}],48:[function(require,module,exports){ /*! * type-detect * Copyright(c) 2013 jake luer * MIT Licensed */ /*! * Primary Exports */ var exports = module.exports = getType; /*! * Detectable javascript natives */ var natives = { '[object Array]': 'array' , '[object RegExp]': 'regexp' , '[object Function]': 'function' , '[object Arguments]': 'arguments' , '[object Date]': 'date' }; /** * ### typeOf (obj) * * Use several different techniques to determine * the type of object being tested. * * * @param {Mixed} object * @return {String} object type * @api public */ function getType (obj) { var str = Object.prototype.toString.call(obj); if (natives[str]) return natives[str]; if (obj === null) return 'null'; if (obj === undefined) return 'undefined'; if (obj === Object(obj)) return 'object'; return typeof obj; } exports.Library = Library; /** * ### Library * * Create a repository for custom type detection. * * ```js * var lib = new type.Library; * ``` * */ function Library () { this.tests = {}; } /** * #### .of (obj) * * Expose replacement `typeof` detection to the library. * * ```js * if ('string' === lib.of('hello world')) { * // ... * } * ``` * * @param {Mixed} object to test * @return {String} type */ Library.prototype.of = getType; /** * #### .define (type, test) * * Add a test to for the `.test()` assertion. * * Can be defined as a regular expression: * * ```js * lib.define('int', /^[0-9]+$/); * ``` * * ... or as a function: * * ```js * lib.define('bln', function (obj) { * if ('boolean' === lib.of(obj)) return true; * var blns = [ 'yes', 'no', 'true', 'false', 1, 0 ]; * if ('string' === lib.of(obj)) obj = obj.toLowerCase(); * return !! ~blns.indexOf(obj); * }); * ``` * * @param {String} type * @param {RegExp|Function} test * @api public */ Library.prototype.define = function (type, test) { if (arguments.length === 1) return this.tests[type]; this.tests[type] = test; return this; }; /** * #### .test (obj, test) * * Assert that an object is of type. Will first * check natives, and if that does not pass it will * use the user defined custom tests. * * ```js * assert(lib.test('1', 'int')); * assert(lib.test('yes', 'bln')); * ``` * * @param {Mixed} object * @param {String} type * @return {Boolean} result * @api public */ Library.prototype.test = function (obj, type) { if (type === getType(obj)) return true; var test = this.tests[type]; if (test && 'regexp' === getType(test)) { return test.test(obj); } else if (test && 'function' === getType(test)) { return test(obj); } else { throw new ReferenceError('Type test "' + type + '" not defined or invalid.'); } }; },{}],49:[function(require,module,exports){ /*! * jQuery JavaScript Library v2.1.3 * http://jquery.com/ * * Includes Sizzle.js * http://sizzlejs.com/ * * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2014-12-18T15:11Z */ (function( global, factory ) { if ( typeof module === "object" && typeof module.exports === "object" ) { // For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); } // Pass this if window is not defined yet }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) { // Support: Firefox 18+ // Can't be in strict mode, several libs including ASP.NET trace // the stack via arguments.caller.callee and Firefox dies if // you try to trace through "use strict" call chains. (#13335) // var arr = []; var slice = arr.slice; var concat = arr.concat; var push = arr.push; var indexOf = arr.indexOf; var class2type = {}; var toString = class2type.toString; var hasOwn = class2type.hasOwnProperty; var support = {}; var // Use the correct document accordingly with window argument (sandbox) document = window.document, version = "2.1.3", // Define a local copy of jQuery jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); }, // Support: Android<4.1 // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, // Matches dashed string for camelizing rmsPrefix = /^-ms-/, rdashAlpha = /-([\da-z])/gi, // Used by jQuery.camelCase as callback to replace() fcamelCase = function( all, letter ) { return letter.toUpperCase(); }; jQuery.fn = jQuery.prototype = { // The current version of jQuery being used jquery: version, constructor: jQuery, // Start with an empty selector selector: "", // The default length of a jQuery object is 0 length: 0, toArray: function() { return slice.call( this ); }, // Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { return num != null ? // Return just the one element from the set ( num < 0 ? this[ num + this.length ] : this[ num ] ) : // Return all the elements in a clean array slice.call( this ); }, // Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) { // Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems ); // Add the old object onto the stack (as a reference) ret.prevObject = this; ret.context = this.context; // Return the newly-formed element set return ret; }, // Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); }, map: function( callback ) { return this.pushStack( jQuery.map(this, function( elem, i ) { return callback.call( elem, i, elem ); })); }, slice: function() { return this.pushStack( slice.apply( this, arguments ) ); }, first: function() { return this.eq( 0 ); }, last: function() { return this.eq( -1 ); }, eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] ); }, end: function() { return this.prevObject || this.constructor(null); }, // For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: arr.sort, splice: arr.splice }; jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[0] || {}, i = 1, length = arguments.length, deep = false; // Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; // Skip the boolean and the target target = arguments[ i ] || {}; i++; } // Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction(target) ) { target = {}; } // Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; } for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( (options = arguments[ i ]) != null ) { // Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ]; // Prevent never-ending loop if ( target === copy ) { continue; } // Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) { if ( copyIsArray ) { copyIsArray = false; clone = src && jQuery.isArray(src) ? src : []; } else { clone = src && jQuery.isPlainObject(src) ? src : {}; } // Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy ); // Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } } // Return the modified object return target; }; jQuery.extend({ // Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), // Assume jQuery is ready without the ready module isReady: true, error: function( msg ) { throw new Error( msg ); }, noop: function() {}, isFunction: function( obj ) { return jQuery.type(obj) === "function"; }, isArray: Array.isArray, isWindow: function( obj ) { return obj != null && obj === obj.window; }, isNumeric: function( obj ) { // parseFloat NaNs numeric-cast false positives (null|true|false|"") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN // adding 1 corrects loss of precision from parseFloat (#15100) return !jQuery.isArray( obj ) && (obj - parseFloat( obj ) + 1) >= 0; }, isPlainObject: function( obj ) { // Not plain objects: // - Any object or value whose internal [[Class]] property is not "[object Object]" // - DOM nodes // - window if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) { return false; } if ( obj.constructor && !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) { return false; } // If the function hasn't returned already, we're confident that // |obj| is a plain object, created by {} or constructed with new Object return true; }, isEmptyObject: function( obj ) { var name; for ( name in obj ) { return false; } return true; }, type: function( obj ) { if ( obj == null ) { return obj + ""; } // Support: Android<4.0, iOS<6 (functionish RegExp) return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call(obj) ] || "object" : typeof obj; }, // Evaluates a script in a global context globalEval: function( code ) { var script, indirect = eval; code = jQuery.trim( code ); if ( code ) { // If the code includes a valid, prologue position // strict mode pragma, execute code by injecting a // script tag into the document. if ( code.indexOf("use strict") === 1 ) { script = document.createElement("script"); script.text = code; document.head.appendChild( script ).parentNode.removeChild( script ); } else { // Otherwise, avoid the DOM node creation, insertion // and removal by using an indirect global eval indirect( code ); } } }, // Convert dashed to camelCase; used by the css and data modules // Support: IE9-11+ // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); }, nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); }, // args is for internal usage only each: function( obj, callback, args ) { var value, i = 0, length = obj.length, isArray = isArraylike( obj ); if ( args ) { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.apply( obj[ i ], args ); if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.apply( obj[ i ], args ); if ( value === false ) { break; } } } // A special, fast, case for the most common use of each } else { if ( isArray ) { for ( ; i < length; i++ ) { value = callback.call( obj[ i ], i, obj[ i ] ); if ( value === false ) { break; } } } else { for ( i in obj ) { value = callback.call( obj[ i ], i, obj[ i ] ); if ( value === false ) { break; } } } } return obj; }, // Support: Android<4.1 trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); }, // results is for internal usage only makeArray: function( arr, results ) { var ret = results || []; if ( arr != null ) { if ( isArraylike( Object(arr) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } } return ret; }, inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); }, merge: function( first, second ) { var len = +second.length, j = 0, i = first.length; for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; } first.length = i; return first; }, grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert; // Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } } return matches; }, // arg is for internal usage only map: function( elems, callback, arg ) { var value, i = 0, length = elems.length, isArray = isArraylike( elems ), ret = []; // Go through the array, translating each of the items to their new values if ( isArray ) { for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } // Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg ); if ( value != null ) { ret.push( value ); } } } // Flatten any nested arrays return concat.apply( [], ret ); }, // A global GUID counter for objects guid: 1, // Bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var tmp, args, proxy; if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; } // Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !jQuery.isFunction( fn ) ) { return undefined; } // Simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); }; // Set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jQuery.guid++; return proxy; }, now: Date.now, // jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support }); // Populate the class2type map jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); }); function isArraylike( obj ) { var length = obj.length, type = jQuery.type( obj ); if ( type === "function" || jQuery.isWindow( obj ) ) { return false; } if ( obj.nodeType === 1 && length ) { return true; } return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*! * Sizzle CSS Selector Engine v2.2.0-pre * http://sizzlejs.com/ * * Copyright 2008, 2014 jQuery Foundation, Inc. and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2014-12-16 */ (function( window ) { var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate, // Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains, // Instance-specific data expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; }, // General-purpose constants MAX_NEGATIVE = 1 << 31, // Instance methods hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native // http://jsperf.com/thor-indexof-vs-for/5 indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[i] === elem ) { return i; } } return -1; }, booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", // Regular expressions // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]", // http://www.w3.org/TR/css3-syntax/#characters characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", // Loosely modeled on CSS identifier characters // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = characterEncoding.replace( "w", "w#" ), // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]", pseudos = ":(" + characterEncoding + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)", // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ), matchExpr = { "ID": new RegExp( "^#(" + characterEncoding + ")" ), "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ), "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) }, rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i, rnative = /^[^{]+\{\s*\[native \w/, // Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, rsibling = /[+~]/, rescape = /'|\\/g, // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); }, // Used for iframes // See setDocument() // Removing the function wrapper causes a "Permission Denied" // error in IE unloadHandler = function() { setDocument(); }; // Optimize for push.apply( _, NodeList ) try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ? // Leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } : // Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; } function Sizzle( selector, context, results, seed ) { var match, elem, m, nodeType, // QSA vars i, groups, old, nid, newContext, newSelector; if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); } context = context || document; results = results || []; nodeType = context.nodeType; if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { return results; } if ( !seed && documentIsHTML ) { // Try to shortcut find operations when possible (e.g., not under DocumentFragment) if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { // Speed-up: Sizzle("#ID") if ( (m = match[1]) ) { if ( nodeType === 9 ) { elem = context.getElementById( m ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document (jQuery #6963) if ( elem && elem.parentNode ) { // Handle the case where IE, Opera, and Webkit return items // by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; } } else { // Context is not a document if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) && contains( context, elem ) && elem.id === m ) { results.push( elem ); return results; } } // Speed-up: Sizzle("TAG") } else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results; // Speed-up: Sizzle(".CLASS") } else if ( (m = match[3]) && support.getElementsByClassName ) { push.apply( results, context.getElementsByClassName( m ) ); return results; } } // QSA path if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { nid = old = expando; newContext = context; newSelector = nodeType !== 1 && selector; // qSA works strangely on Element-rooted queries // We can work around this by specifying an extra ID on the root // and working up from there (Thanks to Andrew Dupont for the technique) // IE 8 doesn't work on object elements if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) { groups = tokenize( selector ); if ( (old = context.getAttribute("id")) ) { nid = old.replace( rescape, "\\$&" ); } else { context.setAttribute( "id", nid ); } nid = "[id='" + nid + "'] "; i = groups.length; while ( i-- ) { groups[i] = nid + toSelector( groups[i] ); } newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; newSelector = groups.join(","); } if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch(qsaError) { } finally { if ( !old ) { context.removeAttribute("id"); } } } } } // All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); } /** * Create key-value caches of limited size * @returns {Function(string, Object)} Returns the Object data after storing it on itself with * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) * deleting the oldest entry */ function createCache() { var keys = []; function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; } /** * Mark a function for special use by Sizzle * @param {Function} fn The function to mark */ function markFunction( fn ) { fn[ expando ] = true; return fn; } /** * Support testing using an element * @param {Function} fn Passed the created div and expects a boolean result */ function assert( fn ) { var div = document.createElement("div"); try { return !!fn( div ); } catch (e) { return false; } finally { // Remove from its parent by default if ( div.parentNode ) { div.parentNode.removeChild( div ); } // release memory in IE div = null; } } /** * Adds the same handler for all of the specified attrs * @param {String} attrs Pipe-separated list of attributes * @param {Function} handler The method that will be applied */ function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = attrs.length; while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } } /** * Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b */ function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE ); // Use IE sourceIndex if available on both nodes if ( diff ) { return diff; } // Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } } return a ? 1 : -1; } /** * Returns a function to use in pseudos for input types * @param {String} type */ function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; } /** * Returns a function to use in pseudos for buttons * @param {String} type */ function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; } /** * Returns a function to use in pseudos for positionals * @param {Function} fn */ function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length; // Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); } /** * Checks a node for validity as a Sizzle context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value */ function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; } // Expose support vars for convenience support = Sizzle.support = {}; /** * Detects XML nodes * @param {Element|Object} elem An element or a document * @returns {Boolean} True iff elem is a non-HTML XML node */ isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; }; /** * Sets document-related variables once based on the current document * @param {Element|Object} [doc] An element or document object to use to set the document * @returns {Object} Returns the current document */ setDocument = Sizzle.setDocument = function( node ) { var hasCompare, parent, doc = node ? node.ownerDocument || node : preferredDoc; // If no document and documentElement is available, return if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; } // Set our document document = doc; docElem = doc.documentElement; parent = doc.defaultView; // Support: IE>8 // If iframe document is assigned to "document" variable and if iframe has been reloaded, // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 // IE6-8 do not support the defaultView property so parent will be undefined if ( parent && parent !== parent.top ) { // IE11 does not have attachEvent, so all must suffer if ( parent.addEventListener ) { parent.addEventListener( "unload", unloadHandler, false ); } else if ( parent.attachEvent ) { parent.attachEvent( "onunload", unloadHandler ); } } /* Support tests ---------------------------------------------------------------------- */ documentIsHTML = !isXML( doc ); /* Attributes ---------------------------------------------------------------------- */ // Support: IE<8 // Verify that getAttribute really returns attributes and not properties // (excepting IE8 booleans) support.attributes = assert(function( div ) { div.className = "i"; return !div.getAttribute("className"); }); /* getElement(s)By* ---------------------------------------------------------------------- */ // Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( div ) { div.appendChild( doc.createComment("") ); return !div.getElementsByTagName("*").length; }); // Support: IE<9 support.getElementsByClassName = rnative.test( doc.getElementsByClassName ); // Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programatically-set names, // so use a roundabout getElementsByName test support.getById = assert(function( div ) { docElem.appendChild( div ).id = expando; return !doc.getElementsByName || !doc.getElementsByName( expando ).length; }); // ID find and filter if ( support.getById ) { Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var m = context.getElementById( id ); // Check parentNode to catch when Blackberry 4.6 returns // nodes that are no longer in the document #6963 return m && m.parentNode ? [ m ] : []; } }; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; } else { // Support: IE6/7 // getElementById is not reliable as a find shortcut delete Expr.find["ID"]; Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return node && node.value === attrId; }; }; } // Tag Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag ); // DocumentFragment nodes don't have gEBTN } else if ( support.qsa ) { return context.querySelectorAll( tag ); } } : function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too results = context.getElementsByTagName( tag ); // Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } } return tmp; } return results; }; // Class Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( documentIsHTML ) { return context.getElementsByClassName( className ); } }; /* QSA/matchesSelector ---------------------------------------------------------------------- */ // QSA and matchesSelector support // matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = []; // qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See http://bugs.jquery.com/ticket/13378 rbuggyQSA = []; if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( div ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // http://bugs.jquery.com/ticket/12359 docElem.appendChild( div ).innerHTML = "" + ""; // Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( div.querySelectorAll("[msallowcapture^='']").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); } // Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !div.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); } // Support: Chrome<29, Android<4.2+, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.7+ if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push("~="); } // Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); } // Support: Safari 8+, iOS 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // In-page `selector#id sibing-combinator selector` fails if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push(".#.+[+~]"); } }); assert(function( div ) { // Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = doc.createElement("input"); input.setAttribute( "type", "hidden" ); div.appendChild( input ).setAttribute( "name", "D" ); // Support: IE8 // Enforce case-sensitivity of name attribute if ( div.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); } // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( !div.querySelectorAll(":enabled").length ) { rbuggyQSA.push( ":enabled", ":disabled" ); } // Opera 10-11 does not throw on post-comma invalid pseudos div.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); } if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) { assert(function( div ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( div, "div" ); // This should fail with an exception // Gecko does not error, returns false instead matches.call( div, "[s!='']:x" ); rbuggyMatches.push( "!=", pseudos ); }); } rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); /* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition ); // Element contains another // Purposefully does not implement inclusive descendent // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; }; /* Sorting ---------------------------------------------------------------------- */ // Document order sorting sortOrder = hasCompare ? function( a, b ) { // Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; } // Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; } // Calculate position if both inputs belong to the same document compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) : // Otherwise we know they are disconnected 1; // Disconnected nodes if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { // Choose the first element that is related to our preferred document if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; } // Maintain original order return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; } return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; } var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ]; // Parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === doc ? -1 : b === doc ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; // If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); } // Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); } // Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; } return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) : // Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; }; return doc; }; Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); }; Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); } // Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" ); if ( support.matchesSelector && documentIsHTML && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { try { var ret = matches.call( elem, expr ); // IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch (e) {} } return Sizzle( expr, document, null, [ elem ] ).length > 0; }; Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); }; Sizzle.attr = function( elem, name ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); } var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined; return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; }; Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); }; /** * Document sorting and removing duplicates * @param {ArrayLike} results */ Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0; // Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder ); if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } } // Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null; return results; }; /** * Utility function for retrieving the text value of an array of DOM nodes * @param {Array|Element} elem */ getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType; if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( (node = elem[i++]) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes return ret; }; Expr = Sizzle.selectors = { // Can be adjusted by the user cacheLength: 50, createPseudo: markFunction, match: matchExpr, attrHandle: {}, find: {}, relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } }, preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape ); // Move the given value to match[3] whether quoted or unquoted match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; } return match.slice( 0, 4 ); }, "CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase(); if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); } // numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); // other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); } return match; }, "PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2]; if ( matchExpr["CHILD"].test( match[0] ) ) { return null; } // Accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || ""; // Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { // excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); } // Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } }, filter: { "TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; }, "CLASS": function( className ) { var pattern = classCache[ className + " " ]; return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); }); }, "ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name ); if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; } result += ""; return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; }, "CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type"; return first === 1 && last === 0 ? // Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } : function( elem, context, xml ) { var cache, outerCache, node, diff, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType; if ( parent ) { // :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) { return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; } start = [ forward ? parent.firstChild : parent.lastChild ]; // non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) { // Seek `elem` from a previously-cached index outerCache = parent[ expando ] || (parent[ expando ] = {}); cache = outerCache[ type ] || []; nodeIndex = cache[0] === dirruns && cache[1]; diff = cache[0] === dirruns && cache[2]; node = nodeIndex && parent.childNodes[ nodeIndex ]; while ( (node = ++nodeIndex && node && node[ dir ] || // Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) { // When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { outerCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } } // Use previously-cached element index if available } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) { diff = cache[1]; // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) } else { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) { if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) { // Cache the index of each encountered element if ( useCache ) { (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ]; } if ( node === elem ) { break; } } } } // Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; }, "PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo ); // The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); } // But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; } return fn; } }, pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) ); return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length; // Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }), "has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }), "contains": markFunction(function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }), // "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }), // Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; }, "root": function( elem ) { return elem === docElem; }, "focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); }, // Boolean properties "enabled": function( elem ) { return elem.disabled === false; }, "disabled": function( elem ) { return elem.disabled === true; }, "checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); }, "selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; } return elem.selected === true; }, // Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; }, "parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); }, // Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); }, "input": function( elem ) { return rinputs.test( elem.nodeName ); }, "button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; }, "text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" && // Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); }, // Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }), "last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }), "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }), "even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }), "odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }), "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }), "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } }; Expr.pseudos["nth"] = Expr.pseudos["eq"]; // Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); } // Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters(); tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ]; if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); } soFar = selector; groups = []; preFilters = Expr.preFilter; while ( soFar ) { // Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); } matched = false; // Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); } // Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } } if ( !matched ) { break; } } // Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); }; function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; } function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, checkNonElements = base && dir === "parentNode", doneName = done++; return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } } : // Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, outerCache, newCache = [ dirruns, doneName ]; // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {}); if ( (oldCache = outerCache[ dir ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { // Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements outerCache[ dir ] = newCache; // A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } }; } function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; } function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; } function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null; for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } } return newUnmatched; } function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length, // Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), // Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems, matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ? // ...intermediate processing is necessary [] : // ...otherwise use results directly results : matcherIn; // Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); } // Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml ); // Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } } if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); } // Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { seed[temp] = !(results[temp] = elem); } } } // Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); } function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0, // The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ]; for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); // Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } } return elementMatcher( matchers ); } function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length; if ( outermost ) { outermostContext = context !== document && context; } // Add elements passing elementMatchers directly to results // Keep `i` a string if there are no elements so `matchedCount` will be "00" below // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context, xml ) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } } // Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; } // Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } } // Apply set filters to unmatched elements matchedCount += i; if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); } if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } } // Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); } // Add matches to results push.apply( results, setMatched ); // Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) { Sizzle.uniqueSort( results ); } } // Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; } return unmatched; }; return bySet ? markFunction( superMatcher ) : superMatcher; } compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ]; if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } } // Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); // Save selector and tokenization cached.selector = selector; } return cached; }; /** * A low-level selection function that works with Sizzle's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled * selector function built with Sizzle.compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) ); results = results || []; // Try to minimize operations if there is no seed and only one group if ( match.length === 1 ) { // Take a shortcut and set the context if the root selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && support.getById && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) { context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results; // Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; } selector = selector.slice( tokens.shift().value.length ); } // Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i]; // Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) { // If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; } break; } } } } // Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; }; // One-time assignments // Sort stability support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; // Support: Chrome 14-35+ // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate; // Initialize against the default document setDocument(); // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert(function( div1 ) { // Should return 1, but returns 4 (following) return div1.compareDocumentPosition( document.createElement("div") ) & 1; }); // Support: IE<8 // Prevent attribute/property "interpolation" // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert(function( div ) { div.innerHTML = ""; return div.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); } // Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert(function( div ) { div.innerHTML = ""; div.firstChild.setAttribute( "value", "" ); return div.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); } // Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert(function( div ) { return div.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); } return Sizzle; })( window ); jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.pseudos; jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; var rneedsContext = jQuery.expr.match.needsContext; var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); var risSimple = /^.[^:#\[\.,]*$/; // Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { /* jshint -W018 */ return !!qualifier.call( elem, i, elem ) !== not; }); } if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; }); } if ( typeof qualifier === "string" ) { if ( risSimple.test( qualifier ) ) { return jQuery.filter( qualifier, elements, not ); } qualifier = jQuery.filter( qualifier, elements ); } return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) >= 0 ) !== not; }); } jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ]; if ( not ) { expr = ":not(" + expr + ")"; } return elems.length === 1 && elem.nodeType === 1 ? jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] : jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; })); }; jQuery.fn.extend({ find: function( selector ) { var i, len = this.length, ret = [], self = this; if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter(function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } }) ); } for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); } // Needed because $( selector, context ) becomes $( context ).find( selector ) ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret ); ret.selector = this.selector ? this.selector + " " + selector : selector; return ret; }, filter: function( selector ) { return this.pushStack( winnow(this, selector || [], false) ); }, not: function( selector ) { return this.pushStack( winnow(this, selector || [], true) ); }, is: function( selector ) { return !!winnow( this, // If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } }); // Initialize a jQuery object // A central reference to the root jQuery(document) var rootjQuery, // A simple way to check for HTML strings // Prioritize #id over to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, init = jQuery.fn.init = function( selector, context ) { var match, elem; // HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; } // Handle HTML strings if ( typeof selector === "string" ) { if ( selector[0] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) { // Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ]; } else { match = rquickExpr.exec( selector ); } // Match html or make sure no context is specified for #id if ( match && (match[1] || !context) ) { // HANDLE: $(html) -> $(array) if ( match[1] ) { context = context instanceof jQuery ? context[0] : context; // Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[1], context && context.nodeType ? context.ownerDocument || context : document, true ) ); // HANDLE: $(html, props) if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) { // Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] ); // ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } } return this; // HANDLE: $(#id) } else { elem = document.getElementById( match[2] ); // Support: Blackberry 4.6 // gEBID returns nodes no longer in the document (#6963) if ( elem && elem.parentNode ) { // Inject the element directly into the jQuery object this.length = 1; this[0] = elem; } this.context = document; this.selector = selector; return this; } // HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || rootjQuery ).find( selector ); // HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); } // HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this.context = this[0] = selector; this.length = 1; return this; // HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return typeof rootjQuery.ready !== "undefined" ? rootjQuery.ready( selector ) : // Execute immediately if ready is not present selector( jQuery ); } if ( selector.selector !== undefined ) { this.selector = selector.selector; this.context = selector.context; } return jQuery.makeArray( selector, this ); }; // Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn; // Initialize central reference rootjQuery = jQuery( document ); var rparentsprev = /^(?:parents|prev(?:Until|All))/, // Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true }; jQuery.extend({ dir: function( elem, dir, until ) { var matched = [], truncate = until !== undefined; while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; }, sibling: function( n, elem ) { var matched = []; for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } } return matched; } }); jQuery.fn.extend({ has: function( target ) { var targets = jQuery( target, this ), l = targets.length; return this.filter(function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[i] ) ) { return true; } } }); }, closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ? jQuery( selectors, context || this.context ) : 0; for ( ; i < l; i++ ) { for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) { // Always skip document fragments if ( cur.nodeType < 11 && (pos ? pos.index(cur) > -1 : // Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors)) ) { matched.push( cur ); break; } } } return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched ); }, // Determine the position of an element within the set index: function( elem ) { // No argument, return index in parent if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; } // Index in selector if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); } // Locate the position of the desired element return indexOf.call( this, // If it receives a jQuery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); }, add: function( selector, context ) { return this.pushStack( jQuery.unique( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); }, addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter(selector) ); } }); function sibling( cur, dir ) { while ( (cur = cur[dir]) && cur.nodeType !== 1 ) {} return cur; } jQuery.each({ parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return jQuery.dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return jQuery.dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return jQuery.dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return jQuery.dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return jQuery.dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return jQuery.dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return jQuery.sibling( elem.firstChild ); }, contents: function( elem ) { return elem.contentDocument || jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until ); if ( name.slice( -5 ) !== "Until" ) { selector = until; } if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); } if ( this.length > 1 ) { // Remove duplicates if ( !guaranteedUnique[ name ] ) { jQuery.unique( matched ); } // Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } } return this.pushStack( matched ); }; }); var rnotwhite = (/\S+/g); // String to Object options format cache var optionsCache = {}; // Convert String-formatted options into Object-formatted ones and store in cache function createOptions( options ) { var object = optionsCache[ options ] = {}; jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) { object[ flag ] = true; }); return object; } /* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */ jQuery.Callbacks = function( options ) { // Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? ( optionsCache[ options ] || createOptions( options ) ) : jQuery.extend( {}, options ); var // Last fire value (for non-forgettable lists) memory, // Flag to know if list was already fired fired, // Flag to know if list is currently firing firing, // First callback to fire (used internally by add and fireWith) firingStart, // End of the loop when firing firingLength, // Index of currently firing callback (modified by remove if needed) firingIndex, // Actual callback list list = [], // Stack of fire calls for repeatable lists stack = !options.once && [], // Fire callbacks fire = function( data ) { memory = options.memory && data; fired = true; firingIndex = firingStart || 0; firingStart = 0; firingLength = list.length; firing = true; for ( ; list && firingIndex < firingLength; firingIndex++ ) { if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) { memory = false; // To prevent further calls using add break; } } firing = false; if ( list ) { if ( stack ) { if ( stack.length ) { fire( stack.shift() ); } } else if ( memory ) { list = []; } else { self.disable(); } } }, // Actual Callbacks object self = { // Add a callback or a collection of callbacks to the list add: function() { if ( list ) { // First, we save the current length var start = list.length; (function add( args ) { jQuery.each( args, function( _, arg ) { var type = jQuery.type( arg ); if ( type === "function" ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && type !== "string" ) { // Inspect recursively add( arg ); } }); })( arguments ); // Do we need to add the callbacks to the // current firing batch? if ( firing ) { firingLength = list.length; // With memory, if we're not firing then // we should call right away } else if ( memory ) { firingStart = start; fire( memory ); } } return this; }, // Remove a callback from the list remove: function() { if ( list ) { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 ); // Handle firing indexes if ( firing ) { if ( index <= firingLength ) { firingLength--; } if ( index <= firingIndex ) { firingIndex--; } } } }); } return this; }, // Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length ); }, // Remove all callbacks from the list empty: function() { list = []; firingLength = 0; return this; }, // Have the list do nothing anymore disable: function() { list = stack = memory = undefined; return this; }, // Is it disabled? disabled: function() { return !list; }, // Lock the list in its current state lock: function() { stack = undefined; if ( !memory ) { self.disable(); } return this; }, // Is it locked? locked: function() { return !stack; }, // Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( list && ( !fired || stack ) ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; if ( firing ) { stack.push( args ); } else { fire( args ); } } return this; }, // Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; }, // To know if the callbacks have already been called at least once fired: function() { return !!fired; } }; return self; }; jQuery.extend({ Deferred: function( func ) { var tuples = [ // action, add listener, listener list, final state [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], [ "notify", "progress", jQuery.Callbacks("memory") ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, then: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments; return jQuery.Deferred(function( newDefer ) { jQuery.each( tuples, function( i, tuple ) { var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ]; // deferred[ done | fail | progress ] for forwarding actions to newDefer deferred[ tuple[1] ](function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .done( newDefer.resolve ) .fail( newDefer.reject ) .progress( newDefer.notify ); } else { newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); } }); }); fns = null; }).promise(); }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {}; // Keep pipe for back-compat promise.pipe = promise.then; // Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 3 ]; // promise[ done | fail | progress ] = list.add promise[ tuple[1] ] = list.add; // Handle state if ( stateString ) { list.add(function() { // state = [ resolved | rejected ] state = stateString; // [ reject_list | resolve_list ].disable; progress_list.lock }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); } // deferred[ resolve | reject | notify ] deferred[ tuple[0] ] = function() { deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); return this; }; deferred[ tuple[0] + "With" ] = list.fireWith; }); // Make the deferred a promise promise.promise( deferred ); // Call given func if any if ( func ) { func.call( deferred, deferred ); } // All done! return deferred; }, // Deferred helper when: function( subordinate /* , ..., subordinateN */ ) { var i = 0, resolveValues = slice.call( arguments ), length = resolveValues.length, // the count of uncompleted subordinates remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, // the master Deferred. If resolveValues consist of only a single Deferred, just use that. deferred = remaining === 1 ? subordinate : jQuery.Deferred(), // Update function for both resolve and progress values updateFunc = function( i, contexts, values ) { return function( value ) { contexts[ i ] = this; values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( values === progressValues ) { deferred.notifyWith( contexts, values ); } else if ( !( --remaining ) ) { deferred.resolveWith( contexts, values ); } }; }, progressValues, progressContexts, resolveContexts; // Add listeners to Deferred subordinates; treat others as resolved if ( length > 1 ) { progressValues = new Array( length ); progressContexts = new Array( length ); resolveContexts = new Array( length ); for ( ; i < length; i++ ) { if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) { resolveValues[ i ].promise() .done( updateFunc( i, resolveContexts, resolveValues ) ) .fail( deferred.reject ) .progress( updateFunc( i, progressContexts, progressValues ) ); } else { --remaining; } } } // If we're not waiting on anything, resolve the master if ( !remaining ) { deferred.resolveWith( resolveContexts, resolveValues ); } return deferred.promise(); } }); // The deferred used on DOM ready var readyList; jQuery.fn.ready = function( fn ) { // Add the callback jQuery.ready.promise().done( fn ); return this; }; jQuery.extend({ // Is the DOM ready to be used? Set to true once it occurs. isReady: false, // A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1, // Hold (or release) the ready event holdReady: function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } }, // Handle when the DOM is ready ready: function( wait ) { // Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; } // Remember that the DOM is ready jQuery.isReady = true; // If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; } // If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); // Trigger any bound ready events if ( jQuery.fn.triggerHandler ) { jQuery( document ).triggerHandler( "ready" ); jQuery( document ).off( "ready" ); } } }); /** * The ready event handler and self cleanup method */ function completed() { document.removeEventListener( "DOMContentLoaded", completed, false ); window.removeEventListener( "load", completed, false ); jQuery.ready(); } jQuery.ready.promise = function( obj ) { if ( !readyList ) { readyList = jQuery.Deferred(); // Catch cases where $(document).ready() is called after the browser event has already occurred. // We once tried to use readyState "interactive" here, but it caused issues like the one // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 if ( document.readyState === "complete" ) { // Handle it asynchronously to allow scripts the opportunity to delay ready setTimeout( jQuery.ready ); } else { // Use the handy event callback document.addEventListener( "DOMContentLoaded", completed, false ); // A fallback to window.onload, that will always work window.addEventListener( "load", completed, false ); } } return readyList.promise( obj ); }; // Kick off the DOM ready check even if the user does not jQuery.ready.promise(); // Multifunctional method to get and set values of a collection // The value/s can optionally be executed if it's a function var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, len = elems.length, bulk = key == null; // Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { jQuery.access( elems, fn, i, key[i], true, emptyGet, raw ); } // Sets one value } else if ( value !== undefined ) { chainable = true; if ( !jQuery.isFunction( value ) ) { raw = true; } if ( bulk ) { // Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null; // ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } } if ( fn ) { for ( ; i < len; i++ ) { fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) ); } } } return chainable ? elems : // Gets bulk ? fn.call( elems ) : len ? fn( elems[0], key ) : emptyGet; }; /** * Determines whether an object can have data */ jQuery.acceptData = function( owner ) { // Accepts only: // - Node // - Node.ELEMENT_NODE // - Node.DOCUMENT_NODE // - Object // - Any /* jshint -W018 */ return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); }; function Data() { // Support: Android<4, // Old WebKit does not have Object.preventExtensions/freeze method, // return new empty object instead with no [[set]] accessor Object.defineProperty( this.cache = {}, 0, { get: function() { return {}; } }); this.expando = jQuery.expando + Data.uid++; } Data.uid = 1; Data.accepts = jQuery.acceptData; Data.prototype = { key: function( owner ) { // We can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // Always return the key for a frozen object. if ( !Data.accepts( owner ) ) { return 0; } var descriptor = {}, // Check if the owner object already has a cache key unlock = owner[ this.expando ]; // If not, create one if ( !unlock ) { unlock = Data.uid++; // Secure it in a non-enumerable, non-writable property try { descriptor[ this.expando ] = { value: unlock }; Object.defineProperties( owner, descriptor ); // Support: Android<4 // Fallback to a less secure definition } catch ( e ) { descriptor[ this.expando ] = unlock; jQuery.extend( owner, descriptor ); } } // Ensure the cache object if ( !this.cache[ unlock ] ) { this.cache[ unlock ] = {}; } return unlock; }, set: function( owner, data, value ) { var prop, // There may be an unlock assigned to this node, // if there is no entry for this "owner", create one inline // and set the unlock as though an owner entry had always existed unlock = this.key( owner ), cache = this.cache[ unlock ]; // Handle: [ owner, key, value ] args if ( typeof data === "string" ) { cache[ data ] = value; // Handle: [ owner, { properties } ] args } else { // Fresh assignments by object are shallow copied if ( jQuery.isEmptyObject( cache ) ) { jQuery.extend( this.cache[ unlock ], data ); // Otherwise, copy the properties one-by-one to the cache object } else { for ( prop in data ) { cache[ prop ] = data[ prop ]; } } } return cache; }, get: function( owner, key ) { // Either a valid cache is found, or will be created. // New caches will be created and the unlock returned, // allowing direct access to the newly created // empty data object. A valid owner object must be provided. var cache = this.cache[ this.key( owner ) ]; return key === undefined ? cache : cache[ key ]; }, access: function( owner, key, value ) { var stored; // In cases where either: // // 1. No key was specified // 2. A string key was specified, but no value provided // // Take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. The entire cache object // 2. The data stored at the key // if ( key === undefined || ((key && typeof key === "string") && value === undefined) ) { stored = this.get( owner, key ); return stored !== undefined ? stored : this.get( owner, jQuery.camelCase(key) ); } // [*]When the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. An object of properties // 2. A key and value // this.set( owner, key, value ); // Since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, name, camel, unlock = this.key( owner ), cache = this.cache[ unlock ]; if ( key === undefined ) { this.cache[ unlock ] = {}; } else { // Support array or space separated string of keys if ( jQuery.isArray( key ) ) { // If "name" is an array of keys... // When data is initially created, via ("key", "val") signature, // keys will be converted to camelCase. // Since there is no way to tell _how_ a key was added, remove // both plain key and camelCase key. #12786 // This will only penalize the array argument path. name = key.concat( key.map( jQuery.camelCase ) ); } else { camel = jQuery.camelCase( key ); // Try the string as a key before any manipulation if ( key in cache ) { name = [ key, camel ]; } else { // If a key with the spaces exists, use it. // Otherwise, create an array by matching non-whitespace name = camel; name = name in cache ? [ name ] : ( name.match( rnotwhite ) || [] ); } } i = name.length; while ( i-- ) { delete cache[ name[ i ] ]; } } }, hasData: function( owner ) { return !jQuery.isEmptyObject( this.cache[ owner[ this.expando ] ] || {} ); }, discard: function( owner ) { if ( owner[ this.expando ] ) { delete this.cache[ owner[ this.expando ] ]; } } }; var data_priv = new Data(); var data_user = new Data(); // Implementation Summary // // 1. Enforce API surface and semantic compatibility with 1.9.x branch // 2. Improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. Use the same single mechanism to support "private" and "user" data. // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) // 5. Avoid exposing implementation details on user objects (eg. expando properties) // 6. Provide a clear path for implementation upgrade to WeakMap in 2014 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /([A-Z])/g; function dataAttr( elem, key, data ) { var name; // If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase(); data = elem.getAttribute( name ); if ( typeof data === "string" ) { try { data = data === "true" ? true : data === "false" ? false : data === "null" ? null : // Only convert to a number if it doesn't change the string +data + "" === data ? +data : rbrace.test( data ) ? jQuery.parseJSON( data ) : data; } catch( e ) {} // Make sure we set the data so it isn't changed later data_user.set( elem, key, data ); } else { data = undefined; } } return data; } jQuery.extend({ hasData: function( elem ) { return data_user.hasData( elem ) || data_priv.hasData( elem ); }, data: function( elem, name, data ) { return data_user.access( elem, name, data ); }, removeData: function( elem, name ) { data_user.remove( elem, name ); }, // TODO: Now that all calls to _data and _removeData have been replaced // with direct calls to data_priv methods, these can be deprecated. _data: function( elem, name, data ) { return data_priv.access( elem, name, data ); }, _removeData: function( elem, name ) { data_priv.remove( elem, name ); } }); jQuery.fn.extend({ data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes; // Gets all values if ( key === undefined ) { if ( this.length ) { data = data_user.get( elem ); if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) { // Support: IE11+ // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = jQuery.camelCase( name.slice(5) ); dataAttr( elem, name, data[ name ] ); } } } data_priv.set( elem, "hasDataAttrs", true ); } } return data; } // Sets multiple values if ( typeof key === "object" ) { return this.each(function() { data_user.set( this, key ); }); } return access( this, function( value ) { var data, camelKey = jQuery.camelCase( key ); // The calling jQuery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. An empty jQuery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) { // Attempt to get data from the cache // with the key as-is data = data_user.get( elem, key ); if ( data !== undefined ) { return data; } // Attempt to get data from the cache // with the key camelized data = data_user.get( elem, camelKey ); if ( data !== undefined ) { return data; } // Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, camelKey, undefined ); if ( data !== undefined ) { return data; } // We tried really hard, but the data doesn't exist. return; } // Set the data... this.each(function() { // First, attempt to store a copy or reference of any // data that might've been store with a camelCased key. var data = data_user.get( this, camelKey ); // For HTML5 data-* attribute interop, we have to // store property names with dashes in a camelCase form. // This might not apply to all properties...* data_user.set( this, camelKey, value ); // *... In the case of properties that might _actually_ // have dashes, we need to also store a copy of that // unchanged property. if ( key.indexOf("-") !== -1 && data !== undefined ) { data_user.set( this, key, value ); } }); }, null, value, arguments.length > 1, null, true ); }, removeData: function( key ) { return this.each(function() { data_user.remove( this, key ); }); } }); jQuery.extend({ queue: function( elem, type, data ) { var queue; if ( elem ) { type = ( type || "fx" ) + "queue"; queue = data_priv.get( elem, type ); // Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || jQuery.isArray( data ) ) { queue = data_priv.access( elem, type, jQuery.makeArray(data) ); } else { queue.push( data ); } } return queue || []; } }, dequeue: function( elem, type ) { type = type || "fx"; var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); }; // If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; } if ( fn ) { // Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); } // Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); } if ( !startLength && hooks ) { hooks.empty.fire(); } }, // Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return data_priv.get( elem, key ) || data_priv.access( elem, key, { empty: jQuery.Callbacks("once memory").add(function() { data_priv.remove( elem, [ type + "queue", key ] ); }) }); } }); jQuery.fn.extend({ queue: function( type, data ) { var setter = 2; if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; } if ( arguments.length < setter ) { return jQuery.queue( this[0], type ); } return data === undefined ? this : this.each(function() { var queue = jQuery.queue( this, type, data ); // Ensure a hooks for this queue jQuery._queueHooks( this, type ); if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } }); }, dequeue: function( type ) { return this.each(function() { jQuery.dequeue( this, type ); }); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); }, // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } }; if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx"; while ( i-- ) { tmp = data_priv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } }); var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source; var cssExpand = [ "Top", "Right", "Bottom", "Left" ]; var isHidden = function( elem, el ) { // isHidden might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem; return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem ); }; var rcheckableType = (/^(?:checkbox|radio)$/i); (function() { var fragment = document.createDocumentFragment(), div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" ); // Support: Safari<=5.1 // Check state lost if the name is set (#11217) // Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" ); div.appendChild( input ); // Support: Safari<=5.1, Android<4.2 // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked; // Support: IE<=11+ // Make sure textarea (and checkbox) defaultValue is properly cloned div.innerHTML = ""; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; })(); var strundefined = typeof undefined; support.focusinBubbles = "onfocusin" in window; var rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/, rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; function returnTrue() { return true; } function returnFalse() { return false; } function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } } /* * Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */ jQuery.event = { global: {}, add: function( elem, types, handler, data, selector ) { var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = data_priv.get( elem ); // Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; } // Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; } // Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; } // Init the element's event structure and main handler, if this is the first if ( !(events = elemData.events) ) { events = elemData.events = {}; } if ( !(eventHandle = elemData.handle) ) { eventHandle = elemData.handle = function( e ) { // Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== strundefined && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; } // Handle multiple events separated by a space types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort(); // There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; } // If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {}; // If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type; // Update special based on newly reset type special = jQuery.event.special[ type ] || {}; // handleObj is passed to all event handlers handleObj = jQuery.extend({ type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join(".") }, handleObjIn ); // Init the event handler queue if we're the first if ( !(handlers = events[ type ]) ) { handlers = events[ type ] = []; handlers.delegateCount = 0; // Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) { if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle, false ); } } } if ( special.add ) { special.add.call( elem, handleObj ); if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } } // Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); } // Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; } }, // Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) { var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = data_priv.hasData( elem ) && data_priv.get( elem ); if ( !elemData || !(events = elemData.events) ) { return; } // Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnotwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[t] ) || []; type = origType = tmp[1]; namespaces = ( tmp[2] || "" ).split( "." ).sort(); // Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; } special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ); // Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ]; if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 ); if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } } // Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) { jQuery.removeEvent( elem, type, elemData.handle ); } delete events[ type ]; } } // Remove the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { delete elemData.handle; data_priv.remove( elem, "events" ); } }, trigger: function( event, data, elem, onlyHandlers ) { var i, cur, tmp, bubbleType, ontype, handle, special, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : []; cur = tmp = elem = elem || document; // Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; } // focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; } if ( type.indexOf(".") >= 0 ) { // Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split("."); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf(":") < 0 && "on" + type; // Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event ); // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join("."); event.namespace_re = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) : null; // Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; } // Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] ); // Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; } // Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) { bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; } // Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === (elem.ownerDocument || document) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } } // Fire handlers on the event path i = 0; while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) { event.type = i > 1 ? bubbleType : special.bindType || type; // jQuery handler handle = ( data_priv.get( cur, "events" ) || {} )[ event.type ] && data_priv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); } // Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && jQuery.acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type; // If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) { if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) && jQuery.acceptData( elem ) ) { // Call a native DOM method on the target with the same name name as the event. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) { // Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ]; if ( tmp ) { elem[ ontype ] = null; } // Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; elem[ type ](); jQuery.event.triggered = undefined; if ( tmp ) { elem[ ontype ] = tmp; } } } } return event.result; }, dispatch: function( event ) { // Make a writable jQuery.Event from the native event object event = jQuery.event.fix( event ); var i, j, ret, matched, handleObj, handlerQueue = [], args = slice.call( arguments ), handlers = ( data_priv.get( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {}; // Use the fix-ed jQuery.Event rather than the (read-only) native event args[0] = event; event.delegateTarget = this; // Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; } // Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers ); // Run delegates first; they may want to stop propagation beneath us i = 0; while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem; j = 0; while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) { // Triggered event must either 1) have no namespace, or 2) have namespace(s) // a subset or equal to those in the bound event (both can have no namespace). if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) { event.handleObj = handleObj; event.data = handleObj.data; ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler ) .apply( matched.elem, args ); if ( ret !== undefined ) { if ( (event.result = ret) === false ) { event.preventDefault(); event.stopPropagation(); } } } } } // Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); } return event.result; }, handlers: function( event, handlers ) { var i, matches, sel, handleObj, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target; // Find delegate handlers // Black-hole SVG instance trees (#13180) // Avoid non-left-click bubbling in Firefox (#3861) if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) { for ( ; cur !== this; cur = cur.parentNode || this ) { // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.disabled !== true || event.type !== "click" ) { matches = []; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ]; // Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " "; if ( matches[ sel ] === undefined ) { matches[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) >= 0 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matches[ sel ] ) { matches.push( handleObj ); } } if ( matches.length ) { handlerQueue.push({ elem: cur, handlers: matches }); } } } } // Add the remaining (directly-bound) handlers if ( delegateCount < handlers.length ) { handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) }); } return handlerQueue; }, // Includes some event props shared by KeyEvent and MouseEvent props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), fixHooks: {}, keyHooks: { props: "char charCode key keyCode".split(" "), filter: function( event, original ) { // Add which for key events if ( event.which == null ) { event.which = original.charCode != null ? original.charCode : original.keyCode; } return event; } }, mouseHooks: { props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "), filter: function( event, original ) { var eventDoc, doc, body, button = original.button; // Calculate pageX/Y if missing and clientX/Y available if ( event.pageX == null && original.clientX != null ) { eventDoc = event.target.ownerDocument || document; doc = eventDoc.documentElement; body = eventDoc.body; event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 ); event.pageY = original.clientY + ( doc && doc.scrollTop || body && body.scrollTop || 0 ) - ( doc && doc.clientTop || body && body.clientTop || 0 ); } // Add which for click: 1 === left; 2 === middle; 3 === right // Note: button is not normalized, so don't use it if ( !event.which && button !== undefined ) { event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) ); } return event; } }, fix: function( event ) { if ( event[ jQuery.expando ] ) { return event; } // Create a writable copy of the event object and normalize some properties var i, prop, copy, type = event.type, originalEvent = event, fixHook = this.fixHooks[ type ]; if ( !fixHook ) { this.fixHooks[ type ] = fixHook = rmouseEvent.test( type ) ? this.mouseHooks : rkeyEvent.test( type ) ? this.keyHooks : {}; } copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props; event = new jQuery.Event( originalEvent ); i = copy.length; while ( i-- ) { prop = copy[ i ]; event[ prop ] = originalEvent[ prop ]; } // Support: Cordova 2.5 (WebKit) (#13255) // All events should have a target; Cordova deviceready doesn't if ( !event.target ) { event.target = document; } // Support: Safari 6.0+, Chrome<28 // Target should not be a text node (#504, #13143) if ( event.target.nodeType === 3 ) { event.target = event.target.parentNode; } return fixHook.filter ? fixHook.filter( event, originalEvent ) : event; }, special: { load: { // Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: { // Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { this.focus(); return false; } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: { // For checkbox, fire native event so checked state will be right trigger: function() { if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) { this.click(); return false; } }, // For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return jQuery.nodeName( event.target, "a" ); } }, beforeunload: { postDispatch: function( event ) { // Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } }, simulate: function( type, elem, event, bubble ) { // Piggyback on a donor event to simulate a different one. // Fake originalEvent to avoid donor's stopPropagation, but if the // simulated event prevents default then we do the same on the donor. var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true, originalEvent: {} } ); if ( bubble ) { jQuery.event.trigger( e, null, elem ); } else { jQuery.event.dispatch.call( elem, e ); } if ( e.isDefaultPrevented() ) { event.preventDefault(); } } }; jQuery.removeEvent = function( elem, type, handle ) { if ( elem.removeEventListener ) { elem.removeEventListener( type, handle, false ); } }; jQuery.Event = function( src, props ) { // Allow instantiation without the 'new' keyword if ( !(this instanceof jQuery.Event) ) { return new jQuery.Event( src, props ); } // Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type; // Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined && // Support: Android<4.0 src.returnValue === false ? returnTrue : returnFalse; // Event type } else { this.type = src; } // Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); } // Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || jQuery.now(); // Mark it as fixed this[ jQuery.expando ] = true; }; // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, preventDefault: function() { var e = this.originalEvent; this.isDefaultPrevented = returnTrue; if ( e && e.preventDefault ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent; this.isPropagationStopped = returnTrue; if ( e && e.stopPropagation ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent; this.isImmediatePropagationStopped = returnTrue; if ( e && e.stopImmediatePropagation ) { e.stopImmediatePropagation(); } this.stopPropagation(); } }; // Create mouseenter/leave events using mouseover/out and event-time checks // Support: Chrome 15+ jQuery.each({ mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix, handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj; // For mousenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || (related !== target && !jQuery.contains( target, related )) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; }); // Support: Firefox, Chrome, Safari // Create "bubbling" focus and blur events if ( !support.focusinBubbles ) { jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) { // Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true ); }; jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = data_priv.access( doc, fix ); if ( !attaches ) { doc.addEventListener( orig, handler, true ); } data_priv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = data_priv.access( doc, fix ) - 1; if ( !attaches ) { doc.removeEventListener( orig, handler, true ); data_priv.remove( doc, fix ); } else { data_priv.access( doc, fix, attaches ); } } }; }); } jQuery.fn.extend({ on: function( types, selector, data, fn, /*INTERNAL*/ one ) { var origFn, type; // Types can be a map of types/handlers if ( typeof types === "object" ) { // ( types-Object, selector, data ) if ( typeof selector !== "string" ) { // ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { this.on( type, selector, data, types[ type ], one ); } return this; } if ( data == null && fn == null ) { // ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) { // ( types, selector, fn ) fn = data; data = undefined; } else { // ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return this; } if ( one === 1 ) { origFn = fn; fn = function( event ) { // Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); }; // Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return this.each( function() { jQuery.event.add( this, types, fn, data, selector ); }); }, one: function( types, selector, data, fn ) { return this.on( types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) { // ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) { // ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) { // ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each(function() { jQuery.event.remove( this, types, fn, selector ); }); }, trigger: function( type, data ) { return this.each(function() { jQuery.event.trigger( type, data, this ); }); }, triggerHandler: function( type, data ) { var elem = this[0]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } }); var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, rtagName = /<([\w:]+)/, rhtml = /<|&#?\w+;/, rnoInnerhtml = /<(?:script|style|link)/i, // checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rscriptType = /^$|\/(?:java|ecma)script/i, rscriptTypeMasked = /^true\/(.*)/, rcleanScript = /^\s*\s*$/g, // We have to close these tags to support XHTML (#13200) wrapMap = { // Support: IE9 option: [ 1, "" ], thead: [ 1, "", "
" ], col: [ 2, "", "
" ], tr: [ 2, "", "
" ], td: [ 3, "", "
" ], _default: [ 0, "", "" ] }; // Support: IE9 wrapMap.optgroup = wrapMap.option; wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td; // Support: 1.x compatibility // Manipulating tables requires a tbody function manipulationTarget( elem, content ) { return jQuery.nodeName( elem, "table" ) && jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ? elem.getElementsByTagName("tbody")[0] || elem.appendChild( elem.ownerDocument.createElement("tbody") ) : elem; } // Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type ); if ( match ) { elem.type = match[ 1 ]; } else { elem.removeAttribute("type"); } return elem; } // Mark scripts as having already been evaluated function setGlobalEval( elems, refElements ) { var i = 0, l = elems.length; for ( ; i < l; i++ ) { data_priv.set( elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" ) ); } } function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events; if ( dest.nodeType !== 1 ) { return; } // 1. Copy private data: events, handlers, etc. if ( data_priv.hasData( src ) ) { pdataOld = data_priv.access( src ); pdataCur = data_priv.set( dest, pdataOld ); events = pdataOld.events; if ( events ) { delete pdataCur.handle; pdataCur.events = {}; for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } } // 2. Copy user data if ( data_user.hasData( src ) ) { udataOld = data_user.access( src ); udataCur = jQuery.extend( {}, udataOld ); data_user.set( dest, udataCur ); } } function getAll( context, tag ) { var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) : context.querySelectorAll ? context.querySelectorAll( tag || "*" ) : []; return tag === undefined || tag && jQuery.nodeName( context, tag ) ? jQuery.merge( [ context ], ret ) : ret; } // Fix IE bugs, see support tests function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase(); // Fails to persist the checked state of a cloned checkbox or radio button. if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked; // Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } } jQuery.extend({ clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = jQuery.contains( elem.ownerDocument, elem ); // Fix IE cloning issues if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) { // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem ); for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } } // Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone ); for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } } // Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); } // Return the cloned set return clone; }, buildFragment: function( elems, context, scripts, selection ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length; for ( ; i < l; i++ ) { elem = elems[ i ]; if ( elem || elem === 0 ) { // Add nodes directly if ( jQuery.type( elem ) === "object" ) { // Support: QtWebKit, PhantomJS // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem ); // Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) ); // Convert html into DOM nodes } else { tmp = tmp || fragment.appendChild( context.createElement("div") ); // Deserialize a standard representation tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + elem.replace( rxhtmlTag, "<$1>" ) + wrap[ 2 ]; // Descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; } // Support: QtWebKit, PhantomJS // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes ); // Remember the top-level container tmp = fragment.firstChild; // Ensure the created nodes are orphaned (#12392) tmp.textContent = ""; } } } // Remove wrapper from fragment fragment.textContent = ""; i = 0; while ( (elem = nodes[ i++ ]) ) { // #4087 - If origin and destination elements are the same, and this is // that element, do not do anything if ( selection && jQuery.inArray( elem, selection ) !== -1 ) { continue; } contains = jQuery.contains( elem.ownerDocument, elem ); // Append to fragment tmp = getAll( fragment.appendChild( elem ), "script" ); // Preserve script evaluation history if ( contains ) { setGlobalEval( tmp ); } // Capture executables if ( scripts ) { j = 0; while ( (elem = tmp[ j++ ]) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } } return fragment; }, cleanData: function( elems ) { var data, elem, type, key, special = jQuery.event.special, i = 0; for ( ; (elem = elems[ i ]) !== undefined; i++ ) { if ( jQuery.acceptData( elem ) ) { key = elem[ data_priv.expando ]; if ( key && (data = data_priv.cache[ key ]) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type ); // This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } } if ( data_priv.cache[ key ] ) { // Discard any remaining `private` data delete data_priv.cache[ key ]; } } } // Discard any remaining `user` data delete data_user.cache[ elem[ data_user.expando ] ]; } } }); jQuery.fn.extend({ text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each(function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } }); }, null, value, arguments.length ); }, append: function() { return this.domManip( arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } }); }, prepend: function() { return this.domManip( arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } }); }, before: function() { return this.domManip( arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } }); }, after: function() { return this.domManip( arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } }); }, remove: function( selector, keepData /* Internal Use Only */ ) { var elem, elems = selector ? jQuery.filter( selector, this ) : this, i = 0; for ( ; (elem = elems[i]) != null; i++ ) { if ( !keepData && elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem ) ); } if ( elem.parentNode ) { if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) { setGlobalEval( getAll( elem, "script" ) ); } elem.parentNode.removeChild( elem ); } } return this; }, empty: function() { var elem, i = 0; for ( ; (elem = this[i]) != null; i++ ) { if ( elem.nodeType === 1 ) { // Prevent memory leaks jQuery.cleanData( getAll( elem, false ) ); // Remove any remaining nodes elem.textContent = ""; } } return this; }, clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; return this.map(function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); }); }, html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length; if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; } // See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) { value = value.replace( rxhtmlTag, "<$1>" ); try { for ( ; i < l; i++ ) { elem = this[ i ] || {}; // Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } } elem = 0; // If using innerHTML throws an exception, use the fallback method } catch( e ) {} } if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); }, replaceWith: function() { var arg = arguments[ 0 ]; // Make the changes, replacing each context element with the new content this.domManip( arguments, function( elem ) { arg = this.parentNode; jQuery.cleanData( getAll( this ) ); if ( arg ) { arg.replaceChild( elem, this ); } }); // Force removal if there was no new content (e.g., from empty arguments) return arg && (arg.length || arg.nodeType) ? this : this.remove(); }, detach: function( selector ) { return this.remove( selector, true ); }, domManip: function( args, callback ) { // Flatten any nested arrays args = concat.apply( [], args ); var fragment, first, scripts, hasScripts, node, doc, i = 0, l = this.length, set = this, iNoClone = l - 1, value = args[ 0 ], isFunction = jQuery.isFunction( value ); // We can't cloneNode fragments that contain checked, in WebKit if ( isFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return this.each(function( index ) { var self = set.eq( index ); if ( isFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } self.domManip( args, callback ); }); } if ( l ) { fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this ); first = fragment.firstChild; if ( fragment.childNodes.length === 1 ) { fragment = first; } if ( first ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length; // Use the original fragment for the last item instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment; if ( i !== iNoClone ) { node = jQuery.clone( node, true, true ); // Keep references to cloned scripts for later restoration if ( hasScripts ) { // Support: QtWebKit // jQuery.merge because push.apply(_, arraylike) throws jQuery.merge( scripts, getAll( node, "script" ) ); } } callback.call( this[ i ], node, i ); } if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument; // Reenable scripts jQuery.map( scripts, restoreScript ); // Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) { if ( node.src ) { // Optional AJAX dependency, but won't run scripts if not present if ( jQuery._evalUrl ) { jQuery._evalUrl( node.src ); } } else { jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) ); } } } } } } return this; } }); jQuery.each({ appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0; for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems ); // Support: QtWebKit // .get() because push.apply(_, arraylike) throws push.apply( ret, elems.get() ); } return this.pushStack( ret ); }; }); var iframe, elemdisplay = {}; /** * Retrieve the actual display of a element * @param {String} name nodeName of the element * @param {Object} doc Document object */ // Called only from within defaultDisplay function actualDisplay( name, doc ) { var style, elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ), // getDefaultComputedStyle might be reliably used only on attached element display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ? // Use of this method is a temporary fix (more like optimization) until something better comes along, // since it was removed from specification and supported only in FF style.display : jQuery.css( elem[ 0 ], "display" ); // We don't have any data stored on the element, // so use "detach" method as fast way to get rid of the element elem.detach(); return display; } /** * Try to determine the default display value of an element * @param {String} nodeName */ function defaultDisplay( nodeName ) { var doc = document, display = elemdisplay[ nodeName ]; if ( !display ) { display = actualDisplay( nodeName, doc ); // If the simple way fails, read from inside an iframe if ( display === "none" || !display ) { // Use the already-created iframe if possible iframe = (iframe || jQuery( "