{"version":3,"sources":["../yjs/node_modules/browserify/node_modules/browser-pack/_prelude.js","src/Array.js"],"names":[],"mappings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file":"y-array.es6","sourceRoot":"/source/","sourcesContent":["(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);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","/* global Y */\n'use strict'\n\nfunction extend (Y) {\n  class YArray {\n    constructor (os, _model, _content) {\n      this.os = os\n      this._model = _model\n      // Array of all the neccessary content (includes id (string formatted, and element value))\n      this._content = _content\n      this.eventHandler = new Y.utils.EventHandler(ops => {\n        var userEvents = []\n        for (var i = 0; i < ops.length; i++) {\n          var op = ops[i]\n          if (op.struct === 'Insert') {\n            let pos\n            // we check op.left only!,\n            // because op.right might not be defined when this is called\n            if (op.left === null) {\n              pos = 0\n            } else {\n              let sid = JSON.stringify(op.left)\n              pos = 1 + this._content.findIndex(function (c) {\n                return c.id === sid\n              })\n              if (pos <= 0) {\n                throw new Error('Unexpected operation!')\n              }\n            }\n            this._content.splice(pos, 0, {\n              id: JSON.stringify(op.id),\n              val: op.content\n            })\n            userEvents.push({\n              type: 'insert',\n              object: this,\n              index: pos,\n              value: op.content,\n              length: 1\n            })\n          } else if (op.struct === 'Delete') {\n            let sid = JSON.stringify(op.target)\n            let pos = this._content.findIndex(function (c) {\n              return c.id === sid\n            })\n            if (pos >= 0) {\n              var val = this._content[pos].val\n              this._content.splice(pos, 1)\n              userEvents.push({\n                type: 'delete',\n                object: this,\n                index: pos,\n                value: val,\n                length: 1\n              })\n            }\n          } else {\n            throw new Error('Unexpected struct!')\n          }\n        }\n        this.eventHandler.callEventListeners(userEvents)\n      })\n    }\n    _destroy () {\n      this.eventHandler.destroy()\n      this.eventHandler = null\n      this._content = null\n      this._model = null\n      this.os = null\n    }\n    get length () {\n      return this._content.length\n    }\n    get (pos) {\n      if (pos == null || typeof pos !== 'number') {\n        throw new Error('pos must be a number!')\n      }\n      return this._content[pos].val\n    }\n    toArray () {\n      return this._content.map(function (x) {\n        return x.val\n      })\n    }\n    push (contents) {\n      this.insert(this._content.length, contents)\n    }\n    insert (pos, contents) {\n      if (typeof pos !== 'number') {\n        throw new Error('pos must be a number!')\n      }\n      if (!(contents instanceof Array)) {\n        throw new Error('contents must be an Array of objects!')\n      }\n      if (contents.length === 0) {\n        return\n      }\n      if (pos > this._content.length || pos < 0) {\n        throw new Error('This position exceeds the range of the array!')\n      }\n      var mostLeft = pos === 0 ? null : JSON.parse(this._content[pos - 1].id)\n\n      var ops = []\n      var prevId = mostLeft\n      for (var i = 0; i < contents.length; i++) {\n        var op = {\n          left: prevId,\n          origin: prevId,\n          // right: mostRight,\n          // NOTE: I intentionally do not define right here, because it could be deleted\n          // at the time of inserting this operation (when we get the transaction),\n          // and would therefore not defined in this._conten\n          parent: this._model,\n          content: contents[i],\n          struct: 'Insert',\n          id: this.os.getNextOpId()\n        }\n        ops.push(op)\n        prevId = op.id\n      }\n      var eventHandler = this.eventHandler\n      eventHandler.awaitAndPrematurelyCall(ops)\n      this.os.requestTransaction(function *() {\n        // now we can set the right reference.\n        var mostRight\n        if (mostLeft != null) {\n          mostRight = (yield* this.getOperation(mostLeft)).right\n        } else {\n          mostRight = (yield* this.getOperation(ops[0].parent)).start\n        }\n        for (var j = 0; j < ops.length; j++) {\n          ops[j].right = mostRight\n        }\n        yield* this.applyCreatedOperations(ops)\n        eventHandler.awaitedInserts(ops.length)\n      })\n    }\n    delete (pos, length) {\n      if (length == null) { length = 1 }\n      if (typeof length !== 'number') {\n        throw new Error('length must be a number!')\n      }\n      if (typeof pos !== 'number') {\n        throw new Error('pos must be a number!')\n      }\n      if (pos + length > this._content.length || pos < 0 || length < 0) {\n        throw new Error('The deletion range exceeds the range of the array!')\n      }\n      if (length === 0) {\n        return\n      }\n      var eventHandler = this.eventHandler\n      var newLeft = pos > 0 ? JSON.parse(this._content[pos - 1].id) : null\n      var dels = []\n      for (var i = 0; i < length; i++) {\n        dels.push({\n          target: JSON.parse(this._content[pos + i].id),\n          struct: 'Delete'\n        })\n      }\n      eventHandler.awaitAndPrematurelyCall(dels)\n      this.os.requestTransaction(function *() {\n        yield* this.applyCreatedOperations(dels)\n        eventHandler.awaitedDeletes(dels.length, newLeft)\n      })\n    }\n    observe (f) {\n      this.eventHandler.addEventListener(f)\n    }\n    unobserve (f) {\n      this.eventHandler.removeEventListener(f)\n    }\n    * _changed (transaction, op) {\n      if (!op.deleted) {\n        if (op.struct === 'Insert') {\n          var l = op.left\n          var left\n          while (l != null) {\n            left = yield* transaction.getOperation(l)\n            if (!left.deleted) {\n              break\n            }\n            l = left.left\n          }\n          op.left = l\n        }\n        this.eventHandler.receivedOp(op)\n      }\n    }\n  }\n\n  Y.extend('Array', new Y.utils.CustomType({\n    name: 'Array', // TODO: copy the name when extending the object.. (see one line above)\n    class: YArray,\n    struct: 'List',\n    initType: function * YArrayInitializer (os, model) {\n      var _content = yield* Y.Struct.List.map.call(this, model, function (c) {\n        return {\n          id: JSON.stringify(c.id),\n          val: c.content\n        }\n      })\n      return new YArray(os, model.id, _content)\n    }\n  }))\n}\n\nmodule.exports = extend\nif (typeof Y !== 'undefined') {\n  extend(Y)\n}\n"]}