{"version":3,"sources":["../yjs/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 */\r\n'use strict'\r\n\r\nfunction extend (Y) {\r\n  class YArray {\r\n    constructor (os, _model, idArray, valArray) {\r\n      this.os = os\r\n      this._model = _model\r\n      // Array of all the operation id's\r\n      this.idArray = idArray\r\n      // Array of all the values\r\n      this.valArray = valArray\r\n      this.eventHandler = new Y.utils.EventHandler(ops => {\r\n        var userEvents = []\r\n        for (var i in ops) {\r\n          var op = ops[i]\r\n          if (op.struct === 'Insert') {\r\n            let pos\r\n            // we check op.left only!,\r\n            // because op.right might not be defined when this is called\r\n            if (op.left === null) {\r\n              pos = 0\r\n            } else {\r\n              var sid = JSON.stringify(op.left)\r\n              pos = this.idArray.indexOf(sid) + 1\r\n              if (pos <= 0) {\r\n                throw new Error('Unexpected operation!')\r\n              }\r\n            }\r\n            this.idArray.splice(pos, 0, JSON.stringify(op.id))\r\n            this.valArray.splice(pos, 0, op.content)\r\n            userEvents.push({\r\n              type: 'insert',\r\n              object: this,\r\n              index: pos,\r\n              value: op.content,\r\n              length: 1\r\n            })\r\n          } else if (op.struct === 'Delete') {\r\n            let pos = this.idArray.indexOf(JSON.stringify(op.target))\r\n            if (pos >= 0) {\r\n              var val = this.valArray[pos]\r\n              this.idArray.splice(pos, 1)\r\n              this.valArray.splice(pos, 1)\r\n              userEvents.push({\r\n                type: 'delete',\r\n                object: this,\r\n                index: pos,\r\n                value: val,\r\n                length: 1\r\n              })\r\n            }\r\n          } else {\r\n            throw new Error('Unexpected struct!')\r\n          }\r\n        }\r\n        this.eventHandler.callEventListeners(userEvents)\r\n      })\r\n    }\r\n    get length () {\r\n      return this.idArray.length\r\n    }\r\n    get (pos) {\r\n      if (pos == null || typeof pos !== 'number') {\r\n        throw new Error('pos must be a number!')\r\n      }\r\n      return this.valArray[pos]\r\n    }\r\n    toArray () {\r\n      return this.valArray.slice()\r\n    }\r\n    push (contents) {\r\n      this.insert(this.idArray.length, contents)\r\n    }\r\n    insert (pos, contents) {\r\n      if (typeof pos !== 'number') {\r\n        throw new Error('pos must be a number!')\r\n      }\r\n      if (!(contents instanceof Array)) {\r\n        throw new Error('contents must be an Array of objects!')\r\n      }\r\n      if (contents.length === 0) {\r\n        return\r\n      }\r\n      if (pos > this.idArray.length || pos < 0) {\r\n        throw new Error('This position exceeds the range of the array!')\r\n      }\r\n      var mostLeft = pos === 0 ? null : JSON.parse(this.idArray[pos - 1])\r\n\r\n      var ops = []\r\n      var prevId = mostLeft\r\n      for (var i = 0; i < contents.length; i++) {\r\n        var op = {\r\n          left: prevId,\r\n          origin: prevId,\r\n          // right: mostRight,\r\n          // NOTE: I intentionally do not define right here, because it could be deleted\r\n          // at the time of creating this operation, and is therefore not defined in idArray\r\n          parent: this._model,\r\n          content: contents[i],\r\n          struct: 'Insert',\r\n          id: this.os.getNextOpId()\r\n        }\r\n        ops.push(op)\r\n        prevId = op.id\r\n      }\r\n      var eventHandler = this.eventHandler\r\n      eventHandler.awaitAndPrematurelyCall(ops)\r\n      this.os.requestTransaction(function *() {\r\n        // now we can set the right reference.\r\n        var mostRight\r\n        if (mostLeft != null) {\r\n          mostRight = (yield* this.getOperation(mostLeft)).right\r\n        } else {\r\n          mostRight = (yield* this.getOperation(ops[0].parent)).start\r\n        }\r\n        for (var j in ops) {\r\n          ops[j].right = mostRight\r\n        }\r\n        yield* this.applyCreatedOperations(ops)\r\n        eventHandler.awaitedInserts(ops.length)\r\n      })\r\n    }\r\n    delete (pos, length) {\r\n      if (length == null) { length = 1 }\r\n      if (typeof length !== 'number') {\r\n        throw new Error('pos must be a number!')\r\n      }\r\n      if (typeof pos !== 'number') {\r\n        throw new Error('pos must be a number!')\r\n      }\r\n      if (pos + length > this.idArray.length || pos < 0 || length < 0) {\r\n        throw new Error('The deletion range exceeds the range of the array!')\r\n      }\r\n      if (length === 0) {\r\n        return\r\n      }\r\n      var eventHandler = this.eventHandler\r\n      var newLeft = pos > 0 ? JSON.parse(this.idArray[pos - 1]) : null\r\n      var dels = []\r\n      for (var i = 0; i < length; i++) {\r\n        dels.push({\r\n          target: JSON.parse(this.idArray[pos + i]),\r\n          struct: 'Delete'\r\n        })\r\n      }\r\n      eventHandler.awaitAndPrematurelyCall(dels)\r\n      this.os.requestTransaction(function *() {\r\n        yield* this.applyCreatedOperations(dels)\r\n        eventHandler.awaitedDeletes(dels.length, newLeft)\r\n      })\r\n    }\r\n    observe (f) {\r\n      this.eventHandler.addEventListener(f)\r\n    }\r\n    * _changed (transaction, op) {\r\n      if (!op.deleted) {\r\n        if (op.struct === 'Insert') {\r\n          var l = op.left\r\n          var left\r\n          while (l != null) {\r\n            left = yield* transaction.getOperation(l)\r\n            if (!left.deleted) {\r\n              break\r\n            }\r\n            l = left.left\r\n          }\r\n          op.left = l\r\n        }\r\n        this.eventHandler.receivedOp(op)\r\n      }\r\n    }\r\n  }\r\n\r\n  Y.extend('Array', new Y.utils.CustomType({\r\n    name: 'Array', // TODO: copy the name when extending the object.. (see one line above)\r\n    class: YArray,\r\n    struct: 'List',\r\n    initType: function * YArrayInitializer (os, model) {\r\n      var valArray = []\r\n      var idArray = yield* Y.Struct.List.map.call(this, model, function (c) {\r\n        valArray.push(c.content)\r\n        return JSON.stringify(c.id)\r\n      })\r\n      return new YArray(os, model.id, idArray, valArray)\r\n    }\r\n  }))\r\n}\r\n\r\nmodule.exports = extend\r\nif (typeof Y !== 'undefined') {\r\n  extend(Y)\r\n}\r\n"]}