;(function() { /*! * @overview Ember - JavaScript Application Framework * @copyright Copyright 2011-2016 Tilde Inc. and contributors * Portions Copyright 2006-2011 Strobe Inc. * Portions Copyright 2008-2011 Apple Inc. All rights reserved. * @license Licensed under MIT license * See https://raw.github.com/emberjs/ember.js/master/LICENSE * @version 2.10.0-beta.2 */ var enifed, requireModule, require, Ember; var mainContext = this; (function() { var isNode = typeof window === 'undefined' && typeof process !== 'undefined' && {}.toString.call(process) === '[object process]'; if (!isNode) { Ember = this.Ember = this.Ember || {}; } if (typeof Ember === 'undefined') { Ember = {}; } if (typeof Ember.__loader === 'undefined') { var registry = {}; var seen = {}; enifed = function(name, deps, callback) { var value = { }; if (!callback) { value.deps = []; value.callback = deps; } else { value.deps = deps; value.callback = callback; } registry[name] = value; }; require = requireModule = function(name) { return internalRequire(name, null); }; // setup `require` module require['default'] = require; require.has = function registryHas(moduleName) { return !!registry[moduleName] || !!registry[moduleName + '/index']; }; function missingModule(name, referrerName) { if (referrerName) { throw new Error('Could not find module ' + name + ' required by: ' + referrerName); } else { throw new Error('Could not find module ' + name); } } function internalRequire(_name, referrerName) { var name = _name; var mod = registry[name]; if (!mod) { name = name + '/index'; mod = registry[name]; } var exports = seen[name]; if (exports !== undefined) { return exports; } exports = seen[name] = {}; if (!mod) { missingModule(_name, referrerName); } var deps = mod.deps; var callback = mod.callback; var reified = new Array(deps.length); for (var i = 0; i < deps.length; i++) { if (deps[i] === 'exports') { reified[i] = exports; } else if (deps[i] === 'require') { reified[i] = require; } else { reified[i] = internalRequire(deps[i], name); } } callback.apply(this, reified); return exports; } requireModule._eak_seen = registry; Ember.__loader = { define: enifed, require: require, registry: registry }; } else { enifed = Ember.__loader.define; require = requireModule = Ember.__loader.require; } })(); var babelHelpers; function classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } } function inherits(subClass, superClass) { if (typeof superClass !== 'function' && superClass !== null) { throw new TypeError('Super expression must either be null or a function, not ' + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : defaults(subClass, superClass); } function taggedTemplateLiteralLoose(strings, raw) { strings.raw = raw; return strings; } function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function createClass(Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; } function interopExportWildcard(obj, defaults) { var newObj = defaults({}, obj); delete newObj['default']; return newObj; } function defaults(obj, defaults) { var keys = Object.getOwnPropertyNames(defaults); for (var i = 0; i < keys.length; i++) { var key = keys[i]; var value = Object.getOwnPropertyDescriptor(defaults, key); if (value && value.configurable && obj[key] === undefined) { Object.defineProperty(obj, key, value); } } return obj; } babelHelpers = { classCallCheck: classCallCheck, inherits: inherits, taggedTemplateLiteralLoose: taggedTemplateLiteralLoose, slice: Array.prototype.slice, createClass: createClass, interopExportWildcard: interopExportWildcard, defaults: defaults }; enifed('backburner', ['exports'], function (exports) { 'use strict'; var NUMBER = /\d+/; function each(collection, callback) { for (var i = 0; i < collection.length; i++) { callback(collection[i]); } } function isString(suspect) { return typeof suspect === 'string'; } function isFunction(suspect) { return typeof suspect === 'function'; } function isNumber(suspect) { return typeof suspect === 'number'; } function isCoercableNumber(number) { return isNumber(number) || NUMBER.test(number); } function binarySearch(time, timers) { var start = 0; var end = timers.length - 2; var middle, l; while (start < end) { // since timers is an array of pairs 'l' will always // be an integer l = (end - start) / 2; // compensate for the index in case even number // of pairs inside timers middle = start + l - (l % 2); if (time >= timers[middle]) { start = middle + 2; } else { end = middle; } } return (time >= timers[start]) ? start + 2 : start; } function Queue(name, options, globalOptions) { this.name = name; this.globalOptions = globalOptions || {}; this.options = options; this._queue = []; this.targetQueues = {}; this._queueBeingFlushed = undefined; } Queue.prototype = { push: function(target, method, args, stack) { var queue = this._queue; queue.push(target, method, args, stack); return { queue: this, target: target, method: method }; }, pushUniqueWithoutGuid: function(target, method, args, stack) { var queue = this._queue; for (var i = 0, l = queue.length; i < l; i += 4) { var currentTarget = queue[i]; var currentMethod = queue[i+1]; if (currentTarget === target && currentMethod === method) { queue[i+2] = args; // replace args queue[i+3] = stack; // replace stack return; } } queue.push(target, method, args, stack); }, targetQueue: function(targetQueue, target, method, args, stack) { var queue = this._queue; for (var i = 0, l = targetQueue.length; i < l; i += 2) { var currentMethod = targetQueue[i]; var currentIndex = targetQueue[i + 1]; if (currentMethod === method) { queue[currentIndex + 2] = args; // replace args queue[currentIndex + 3] = stack; // replace stack return; } } targetQueue.push( method, queue.push(target, method, args, stack) - 4 ); }, pushUniqueWithGuid: function(guid, target, method, args, stack) { var hasLocalQueue = this.targetQueues[guid]; if (hasLocalQueue) { this.targetQueue(hasLocalQueue, target, method, args, stack); } else { this.targetQueues[guid] = [ method, this._queue.push(target, method, args, stack) - 4 ]; } return { queue: this, target: target, method: method }; }, pushUnique: function(target, method, args, stack) { var KEY = this.globalOptions.GUID_KEY; if (target && KEY) { var guid = target[KEY]; if (guid) { return this.pushUniqueWithGuid(guid, target, method, args, stack); } } this.pushUniqueWithoutGuid(target, method, args, stack); return { queue: this, target: target, method: method }; }, invoke: function(target, method, args /*, onError, errorRecordedForStack */) { if (args && args.length > 0) { method.apply(target, args); } else { method.call(target); } }, invokeWithOnError: function(target, method, args, onError, errorRecordedForStack) { try { if (args && args.length > 0) { method.apply(target, args); } else { method.call(target); } } catch(error) { onError(error, errorRecordedForStack); } }, flush: function(sync) { var queue = this._queue; var length = queue.length; if (length === 0) { return; } var globalOptions = this.globalOptions; var options = this.options; var before = options && options.before; var after = options && options.after; var onError = globalOptions.onError || (globalOptions.onErrorTarget && globalOptions.onErrorTarget[globalOptions.onErrorMethod]); var target, method, args, errorRecordedForStack; var invoke = onError ? this.invokeWithOnError : this.invoke; this.targetQueues = Object.create(null); var queueItems = this._queueBeingFlushed = this._queue.slice(); this._queue = []; if (before) { before(); } for (var i = 0; i < length; i += 4) { target = queueItems[i]; method = queueItems[i+1]; args = queueItems[i+2]; errorRecordedForStack = queueItems[i+3]; // Debugging assistance if (isString(method)) { method = target[method]; } // method could have been nullified / canceled during flush if (method) { // // ** Attention intrepid developer ** // // To find out the stack of this task when it was scheduled onto // the run loop, add the following to your app.js: // // Ember.run.backburner.DEBUG = true; // NOTE: This slows your app, don't leave it on in production. // // Once that is in place, when you are at a breakpoint and navigate // here in the stack explorer, you can look at `errorRecordedForStack.stack`, // which will be the captured stack when this job was scheduled. // // One possible long-term solution is the following Chrome issue: // https://bugs.chromium.org/p/chromium/issues/detail?id=332624 // invoke(target, method, args, onError, errorRecordedForStack); } } if (after) { after(); } this._queueBeingFlushed = undefined; if (sync !== false && this._queue.length > 0) { // check if new items have been added this.flush(true); } }, cancel: function(actionToCancel) { var queue = this._queue, currentTarget, currentMethod, i, l; var target = actionToCancel.target; var method = actionToCancel.method; var GUID_KEY = this.globalOptions.GUID_KEY; if (GUID_KEY && this.targetQueues && target) { var targetQueue = this.targetQueues[target[GUID_KEY]]; if (targetQueue) { for (i = 0, l = targetQueue.length; i < l; i++) { if (targetQueue[i] === method) { targetQueue.splice(i, 1); } } } } for (i = 0, l = queue.length; i < l; i += 4) { currentTarget = queue[i]; currentMethod = queue[i+1]; if (currentTarget === target && currentMethod === method) { queue.splice(i, 4); return true; } } // if not found in current queue // could be in the queue that is being flushed queue = this._queueBeingFlushed; if (!queue) { return; } for (i = 0, l = queue.length; i < l; i += 4) { currentTarget = queue[i]; currentMethod = queue[i+1]; if (currentTarget === target && currentMethod === method) { // don't mess with array during flush // just nullify the method queue[i+1] = null; return true; } } } }; function DeferredActionQueues(queueNames, options) { var queues = this.queues = {}; this.queueNames = queueNames = queueNames || []; this.options = options; each(queueNames, function(queueName) { queues[queueName] = new Queue(queueName, options[queueName], options); }); } function noSuchQueue(name) { throw new Error('You attempted to schedule an action in a queue (' + name + ') that doesn\'t exist'); } function noSuchMethod(name) { throw new Error('You attempted to schedule an action in a queue (' + name + ') for a method that doesn\'t exist'); } DeferredActionQueues.prototype = { schedule: function(name, target, method, args, onceFlag, stack) { var queues = this.queues; var queue = queues[name]; if (!queue) { noSuchQueue(name); } if (!method) { noSuchMethod(name); } if (onceFlag) { return queue.pushUnique(target, method, args, stack); } else { return queue.push(target, method, args, stack); } }, flush: function() { var queues = this.queues; var queueNames = this.queueNames; var queueName, queue; var queueNameIndex = 0; var numberOfQueues = queueNames.length; while (queueNameIndex < numberOfQueues) { queueName = queueNames[queueNameIndex]; queue = queues[queueName]; var numberOfQueueItems = queue._queue.length; if (numberOfQueueItems === 0) { queueNameIndex++; } else { queue.flush(false /* async */); queueNameIndex = 0; } } } }; function Backburner(queueNames, options) { this.queueNames = queueNames; this.options = options || {}; if (!this.options.defaultQueue) { this.options.defaultQueue = queueNames[0]; } this.instanceStack = []; this._debouncees = []; this._throttlers = []; this._eventCallbacks = { end: [], begin: [] }; var _this = this; this._boundClearItems = function() { clearItems(); }; this._timerTimeoutId = undefined; this._timers = []; this._platform = this.options._platform || { setTimeout: function (fn, ms) { return setTimeout(fn, ms); }, clearTimeout: function (id) { clearTimeout(id); } }; this._boundRunExpiredTimers = function () { _this._runExpiredTimers(); }; } Backburner.prototype = { begin: function() { var options = this.options; var onBegin = options && options.onBegin; var previousInstance = this.currentInstance; if (previousInstance) { this.instanceStack.push(previousInstance); } this.currentInstance = new DeferredActionQueues(this.queueNames, options); this._trigger('begin', this.currentInstance, previousInstance); if (onBegin) { onBegin(this.currentInstance, previousInstance); } }, end: function() { var options = this.options; var onEnd = options && options.onEnd; var currentInstance = this.currentInstance; var nextInstance = null; // Prevent double-finally bug in Safari 6.0.2 and iOS 6 // This bug appears to be resolved in Safari 6.0.5 and iOS 7 var finallyAlreadyCalled = false; try { currentInstance.flush(); } finally { if (!finallyAlreadyCalled) { finallyAlreadyCalled = true; this.currentInstance = null; if (this.instanceStack.length) { nextInstance = this.instanceStack.pop(); this.currentInstance = nextInstance; } this._trigger('end', currentInstance, nextInstance); if (onEnd) { onEnd(currentInstance, nextInstance); } } } }, /** Trigger an event. Supports up to two arguments. Designed around triggering transition events from one run loop instance to the next, which requires an argument for the first instance and then an argument for the next instance. @private @method _trigger @param {String} eventName @param {any} arg1 @param {any} arg2 */ _trigger: function(eventName, arg1, arg2) { var callbacks = this._eventCallbacks[eventName]; if (callbacks) { for (var i = 0; i < callbacks.length; i++) { callbacks[i](arg1, arg2); } } }, on: function(eventName, callback) { if (typeof callback !== 'function') { throw new TypeError('Callback must be a function'); } var callbacks = this._eventCallbacks[eventName]; if (callbacks) { callbacks.push(callback); } else { throw new TypeError('Cannot on() event "' + eventName + '" because it does not exist'); } }, off: function(eventName, callback) { if (eventName) { var callbacks = this._eventCallbacks[eventName]; var callbackFound = false; if (!callbacks) return; if (callback) { for (var i = 0; i < callbacks.length; i++) { if (callbacks[i] === callback) { callbackFound = true; callbacks.splice(i, 1); i--; } } } if (!callbackFound) { throw new TypeError('Cannot off() callback that does not exist'); } } else { throw new TypeError('Cannot off() event "' + eventName + '" because it does not exist'); } }, run: function(/* target, method, args */) { var length = arguments.length; var method, target, args; if (length === 1) { method = arguments[0]; target = null; } else { target = arguments[0]; method = arguments[1]; } if (isString(method)) { method = target[method]; } if (length > 2) { args = new Array(length - 2); for (var i = 0, l = length - 2; i < l; i++) { args[i] = arguments[i + 2]; } } else { args = []; } var onError = getOnError(this.options); this.begin(); // guard against Safari 6's double-finally bug var didFinally = false; if (onError) { try { return method.apply(target, args); } catch(error) { onError(error); } finally { if (!didFinally) { didFinally = true; this.end(); } } } else { try { return method.apply(target, args); } finally { if (!didFinally) { didFinally = true; this.end(); } } } }, /* Join the passed method with an existing queue and execute immediately, if there isn't one use `Backburner#run`. The join method is like the run method except that it will schedule into an existing queue if one already exists. In either case, the join method will immediately execute the passed in function and return its result. @method join @param {Object} target @param {Function} method The method to be executed @param {any} args The method arguments @return method result */ join: function(/* target, method, args */) { if (!this.currentInstance) { return this.run.apply(this, arguments); } var length = arguments.length; var method, target; if (length === 1) { method = arguments[0]; target = null; } else { target = arguments[0]; method = arguments[1]; } if (isString(method)) { method = target[method]; } if (length === 1) { return method(); } else if (length === 2) { return method.call(target); } else { var args = new Array(length - 2); for (var i = 0, l = length - 2; i < l; i++) { args[i] = arguments[i + 2]; } return method.apply(target, args); } }, /* Defer the passed function to run inside the specified queue. @method defer @param {String} queueName @param {Object} target @param {Function|String} method The method or method name to be executed @param {any} args The method arguments @return method result */ defer: function(queueName /* , target, method, args */) { var length = arguments.length; var method, target, args; if (length === 2) { method = arguments[1]; target = null; } else { target = arguments[1]; method = arguments[2]; } if (isString(method)) { method = target[method]; } var stack = this.DEBUG ? new Error() : undefined; if (length > 3) { args = new Array(length - 3); for (var i = 3; i < length; i++) { args[i-3] = arguments[i]; } } else { args = undefined; } if (!this.currentInstance) { createAutorun(this); } return this.currentInstance.schedule(queueName, target, method, args, false, stack); }, deferOnce: function(queueName /* , target, method, args */) { var length = arguments.length; var method, target, args; if (length === 2) { method = arguments[1]; target = null; } else { target = arguments[1]; method = arguments[2]; } if (isString(method)) { method = target[method]; } var stack = this.DEBUG ? new Error() : undefined; if (length > 3) { args = new Array(length - 3); for (var i = 3; i < length; i++) { args[i-3] = arguments[i]; } } else { args = undefined; } if (!this.currentInstance) { createAutorun(this); } return this.currentInstance.schedule(queueName, target, method, args, true, stack); }, setTimeout: function() { var l = arguments.length; var args = new Array(l); for (var x = 0; x < l; x++) { args[x] = arguments[x]; } var length = args.length, method, wait, target, methodOrTarget, methodOrWait, methodOrArgs; if (length === 0) { return; } else if (length === 1) { method = args.shift(); wait = 0; } else if (length === 2) { methodOrTarget = args[0]; methodOrWait = args[1]; if (isFunction(methodOrWait) || isFunction(methodOrTarget[methodOrWait])) { target = args.shift(); method = args.shift(); wait = 0; } else if (isCoercableNumber(methodOrWait)) { method = args.shift(); wait = args.shift(); } else { method = args.shift(); wait = 0; } } else { var last = args[args.length - 1]; if (isCoercableNumber(last)) { wait = args.pop(); } else { wait = 0; } methodOrTarget = args[0]; methodOrArgs = args[1]; if (isFunction(methodOrArgs) || (isString(methodOrArgs) && methodOrTarget !== null && methodOrArgs in methodOrTarget)) { target = args.shift(); method = args.shift(); } else { method = args.shift(); } } var executeAt = Date.now() + parseInt(wait !== wait ? 0 : wait, 10); if (isString(method)) { method = target[method]; } var onError = getOnError(this.options); function fn() { if (onError) { try { method.apply(target, args); } catch (e) { onError(e); } } else { method.apply(target, args); } } return this._setTimeout(fn, executeAt); }, _setTimeout: function (fn, executeAt) { if (this._timers.length === 0) { this._timers.push(executeAt, fn); this._installTimerTimeout(); return fn; } // find position to insert var i = binarySearch(executeAt, this._timers); this._timers.splice(i, 0, executeAt, fn); // we should be the new earliest timer if i == 0 if (i === 0) { this._reinstallTimerTimeout(); } return fn; }, throttle: function(target, method /* , args, wait, [immediate] */) { var backburner = this; var args = new Array(arguments.length); for (var i = 0; i < arguments.length; i++) { args[i] = arguments[i]; } var immediate = args.pop(); var wait, throttler, index, timer; if (isNumber(immediate) || isString(immediate)) { wait = immediate; immediate = true; } else { wait = args.pop(); } wait = parseInt(wait, 10); index = findThrottler(target, method, this._throttlers); if (index > -1) { return this._throttlers[index]; } // throttled timer = this._platform.setTimeout(function() { if (!immediate) { backburner.run.apply(backburner, args); } var index = findThrottler(target, method, backburner._throttlers); if (index > -1) { backburner._throttlers.splice(index, 1); } }, wait); if (immediate) { this.run.apply(this, args); } throttler = [target, method, timer]; this._throttlers.push(throttler); return throttler; }, debounce: function(target, method /* , args, wait, [immediate] */) { var backburner = this; var args = new Array(arguments.length); for (var i = 0; i < arguments.length; i++) { args[i] = arguments[i]; } var immediate = args.pop(); var wait, index, debouncee, timer; if (isNumber(immediate) || isString(immediate)) { wait = immediate; immediate = false; } else { wait = args.pop(); } wait = parseInt(wait, 10); // Remove debouncee index = findDebouncee(target, method, this._debouncees); if (index > -1) { debouncee = this._debouncees[index]; this._debouncees.splice(index, 1); this._platform.clearTimeout(debouncee[2]); } timer = this._platform.setTimeout(function() { if (!immediate) { backburner.run.apply(backburner, args); } var index = findDebouncee(target, method, backburner._debouncees); if (index > -1) { backburner._debouncees.splice(index, 1); } }, wait); if (immediate && index === -1) { backburner.run.apply(backburner, args); } debouncee = [ target, method, timer ]; backburner._debouncees.push(debouncee); return debouncee; }, cancelTimers: function() { each(this._throttlers, this._boundClearItems); this._throttlers = []; each(this._debouncees, this._boundClearItems); this._debouncees = []; this._clearTimerTimeout(); this._timers = []; if (this._autorun) { this._platform.clearTimeout(this._autorun); this._autorun = null; } }, hasTimers: function() { return !!this._timers.length || !!this._debouncees.length || !!this._throttlers.length || this._autorun; }, cancel: function (timer) { var timerType = typeof timer; if (timer && timerType === 'object' && timer.queue && timer.method) { // we're cancelling a deferOnce return timer.queue.cancel(timer); } else if (timerType === 'function') { // we're cancelling a setTimeout for (var i = 0, l = this._timers.length; i < l; i += 2) { if (this._timers[i + 1] === timer) { this._timers.splice(i, 2); // remove the two elements if (i === 0) { this._reinstallTimerTimeout(); } return true; } } } else if (Object.prototype.toString.call(timer) === '[object Array]'){ // we're cancelling a throttle or debounce return this._cancelItem(findThrottler, this._throttlers, timer) || this._cancelItem(findDebouncee, this._debouncees, timer); } else { return; // timer was null or not a timer } }, _cancelItem: function(findMethod, array, timer){ var item, index; if (timer.length < 3) { return false; } index = findMethod(timer[0], timer[1], array); if (index > -1) { item = array[index]; if (item[2] === timer[2]) { array.splice(index, 1); this._platform.clearTimeout(timer[2]); return true; } } return false; }, _runExpiredTimers: function () { this._timerTimeoutId = undefined; this.run(this, this._scheduleExpiredTimers); }, _scheduleExpiredTimers: function () { var n = Date.now(); var timers = this._timers; var i = 0; var l = timers.length; for (; i < l; i += 2) { var executeAt = timers[i]; var fn = timers[i+1]; if (executeAt <= n) { this.schedule(this.options.defaultQueue, null, fn); } else { break; } } timers.splice(0, i); this._installTimerTimeout(); }, _reinstallTimerTimeout: function () { this._clearTimerTimeout(); this._installTimerTimeout(); }, _clearTimerTimeout: function () { if (!this._timerTimeoutId) { return; } this._platform.clearTimeout(this._timerTimeoutId); this._timerTimeoutId = undefined; }, _installTimerTimeout: function () { if (!this._timers.length) { return; } var minExpiresAt = this._timers[0]; var n = Date.now(); var wait = Math.max(0, minExpiresAt - n); this._timerTimeoutId = this._platform.setTimeout(this._boundRunExpiredTimers, wait); } }; Backburner.prototype.schedule = Backburner.prototype.defer; Backburner.prototype.scheduleOnce = Backburner.prototype.deferOnce; Backburner.prototype.later = Backburner.prototype.setTimeout; function getOnError(options) { return options.onError || (options.onErrorTarget && options.onErrorTarget[options.onErrorMethod]); } function createAutorun(backburner) { var setTimeout = backburner._platform.setTimeout; backburner.begin(); backburner._autorun = setTimeout(function() { backburner._autorun = null; backburner.end(); }, 0); } function findDebouncee(target, method, debouncees) { return findItem(target, method, debouncees); } function findThrottler(target, method, throttlers) { return findItem(target, method, throttlers); } function findItem(target, method, collection) { var item; var index = -1; for (var i = 0, l = collection.length; i < l; i++) { item = collection[i]; if (item[0] === target && item[1] === method) { index = i; break; } } return index; } function clearItems(item) { this._platform.clearTimeout(item[2]); } exports['default'] = Backburner; Object.defineProperty(exports, '__esModule', { value: true }); }); enifed('ember-console/index', ['exports', 'ember-environment'], function (exports, _emberEnvironment) { 'use strict'; function K() {} function consoleMethod(name) { var consoleObj = undefined; if (_emberEnvironment.context.imports.console) { consoleObj = _emberEnvironment.context.imports.console; } else if (typeof console !== 'undefined') { consoleObj = console; } var method = typeof consoleObj === 'object' ? consoleObj[name] : null; if (typeof method !== 'function') { return; } if (typeof method.bind === 'function') { return method.bind(consoleObj); } return function () { method.apply(consoleObj, arguments); }; } function assertPolyfill(test, message) { if (!test) { try { // attempt to preserve the stack throw new Error('assertion failed: ' + message); } catch (error) { setTimeout(function () { throw error; }, 0); } } } /** Inside Ember-Metal, simply uses the methods from `imports.console`. Override this to provide more robust logging functionality. @class Logger @namespace Ember @public */ exports.default = { /** Logs the arguments to the console. You can pass as many arguments as you want and they will be joined together with a space. ```javascript var foo = 1; Ember.Logger.log('log value of foo:', foo); // "log value of foo: 1" will be printed to the console ``` @method log @for Ember.Logger @param {*} arguments @public */ log: consoleMethod('log') || K, /** Prints the arguments to the console with a warning icon. You can pass as many arguments as you want and they will be joined together with a space. ```javascript Ember.Logger.warn('Something happened!'); // "Something happened!" will be printed to the console with a warning icon. ``` @method warn @for Ember.Logger @param {*} arguments @public */ warn: consoleMethod('warn') || K, /** Prints the arguments to the console with an error icon, red text and a stack trace. You can pass as many arguments as you want and they will be joined together with a space. ```javascript Ember.Logger.error('Danger! Danger!'); // "Danger! Danger!" will be printed to the console in red text. ``` @method error @for Ember.Logger @param {*} arguments @public */ error: consoleMethod('error') || K, /** Logs the arguments to the console. You can pass as many arguments as you want and they will be joined together with a space. ```javascript var foo = 1; Ember.Logger.info('log value of foo:', foo); // "log value of foo: 1" will be printed to the console ``` @method info @for Ember.Logger @param {*} arguments @public */ info: consoleMethod('info') || K, /** Logs the arguments to the console in blue text. You can pass as many arguments as you want and they will be joined together with a space. ```javascript var foo = 1; Ember.Logger.debug('log value of foo:', foo); // "log value of foo: 1" will be printed to the console ``` @method debug @for Ember.Logger @param {*} arguments @public */ debug: consoleMethod('debug') || consoleMethod('info') || K, /** If the value passed into `Ember.Logger.assert` is not truthy it will throw an error with a stack trace. ```javascript Ember.Logger.assert(true); // undefined Ember.Logger.assert(true === false); // Throws an Assertion failed error. Ember.Logger.assert(true === false, 'Something invalid'); // Throws an Assertion failed error with message. ``` @method assert @for Ember.Logger @param {Boolean} bool Value to test @param {String} message Assertion message on failed @public */ assert: consoleMethod('assert') || assertPolyfill }; }); enifed('ember-debug/deprecate', ['exports', 'ember-metal', 'ember-console', 'ember-environment', 'ember-debug/handlers'], function (exports, _emberMetal, _emberConsole, _emberEnvironment, _emberDebugHandlers) { /*global __fail__*/ 'use strict'; exports.registerHandler = registerHandler; exports.default = deprecate; function registerHandler(handler) { _emberDebugHandlers.registerHandler('deprecate', handler); } function formatMessage(_message, options) { var message = _message; if (options && options.id) { message = message + (' [deprecation id: ' + options.id + ']'); } if (options && options.url) { message += ' See ' + options.url + ' for more details.'; } return message; } registerHandler(function logDeprecationToConsole(message, options) { var updatedMessage = formatMessage(message, options); _emberConsole.default.warn('DEPRECATION: ' + updatedMessage); }); var captureErrorForStack = undefined; if (new Error().stack) { captureErrorForStack = function () { return new Error(); }; } else { captureErrorForStack = function () { try { __fail__.fail(); } catch (e) { return e; } }; } registerHandler(function logDeprecationStackTrace(message, options, next) { if (_emberEnvironment.ENV.LOG_STACKTRACE_ON_DEPRECATION) { var stackStr = ''; var error = captureErrorForStack(); var stack = undefined; if (error.stack) { if (error['arguments']) { // Chrome stack = error.stack.replace(/^\s+at\s+/gm, '').replace(/^([^\(]+?)([\n$])/gm, '{anonymous}($1)$2').replace(/^Object.\s*\(([^\)]+)\)/gm, '{anonymous}($1)').split('\n'); stack.shift(); } else { // Firefox stack = error.stack.replace(/(?:\n@:0)?\s+$/m, '').replace(/^\(/gm, '{anonymous}(').split('\n'); } stackStr = '\n ' + stack.slice(2).join('\n '); } var updatedMessage = formatMessage(message, options); _emberConsole.default.warn('DEPRECATION: ' + updatedMessage + stackStr); } else { next.apply(undefined, arguments); } }); registerHandler(function raiseOnDeprecation(message, options, next) { if (_emberEnvironment.ENV.RAISE_ON_DEPRECATION) { var updatedMessage = formatMessage(message); throw new _emberMetal.Error(updatedMessage); } else { next.apply(undefined, arguments); } }); var missingOptionsDeprecation = 'When calling `Ember.deprecate` you ' + 'must provide an `options` hash as the third parameter. ' + '`options` should include `id` and `until` properties.'; exports.missingOptionsDeprecation = missingOptionsDeprecation; var missingOptionsIdDeprecation = 'When calling `Ember.deprecate` you must provide `id` in options.'; exports.missingOptionsIdDeprecation = missingOptionsIdDeprecation; var missingOptionsUntilDeprecation = 'When calling `Ember.deprecate` you must provide `until` in options.'; exports.missingOptionsUntilDeprecation = missingOptionsUntilDeprecation; /** @module ember @submodule ember-debug */ /** Display a deprecation warning with the provided message and a stack trace (Chrome and Firefox only). * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. @method deprecate @param {String} message A description of the deprecation. @param {Boolean} test A boolean. If falsy, the deprecation will be displayed. @param {Object} options @param {String} options.id A unique id for this deprecation. The id can be used by Ember debugging tools to change the behavior (raise, log or silence) for that specific deprecation. The id should be namespaced by dots, e.g. "view.helper.select". @param {string} options.until The version of Ember when this deprecation warning will be removed. @param {String} [options.url] An optional url to the transition guide on the emberjs.com website. @for Ember @public */ function deprecate(message, test, options) { if (!options || !options.id && !options.until) { deprecate(missingOptionsDeprecation, false, { id: 'ember-debug.deprecate-options-missing', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x/#toc_ember-debug-function-options' }); } if (options && !options.id) { deprecate(missingOptionsIdDeprecation, false, { id: 'ember-debug.deprecate-id-missing', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x/#toc_ember-debug-function-options' }); } if (options && !options.until) { deprecate(missingOptionsUntilDeprecation, options && options.until, { id: 'ember-debug.deprecate-until-missing', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x/#toc_ember-debug-function-options' }); } _emberDebugHandlers.invoke.apply(undefined, ['deprecate'].concat(babelHelpers.slice.call(arguments))); } }); enifed("ember-debug/handlers", ["exports"], function (exports) { "use strict"; exports.registerHandler = registerHandler; exports.invoke = invoke; var HANDLERS = {}; exports.HANDLERS = HANDLERS; function registerHandler(type, callback) { var nextHandler = HANDLERS[type] || function () {}; HANDLERS[type] = function (message, options) { callback(message, options, nextHandler); }; } function invoke(type, message, test, options) { if (test) { return; } var handlerForType = HANDLERS[type]; if (!handlerForType) { return; } if (handlerForType) { handlerForType(message, options); } } }); enifed('ember-debug/index', ['exports', 'ember-metal', 'ember-environment', 'ember-console', 'ember-debug/deprecate', 'ember-debug/warn'], function (exports, _emberMetal, _emberEnvironment, _emberConsole, _emberDebugDeprecate, _emberDebugWarn) { 'use strict'; exports._warnIfUsingStrippedFeatureFlags = _warnIfUsingStrippedFeatureFlags; /** @module ember @submodule ember-debug */ /** @class Ember @public */ /** Define an assertion that will throw an exception if the condition is not met. * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. ```javascript // Test for truthiness Ember.assert('Must pass a valid object', obj); // Fail unconditionally Ember.assert('This code path should never be run'); ``` @method assert @param {String} desc A description of the assertion. This will become the text of the Error thrown if the assertion fails. @param {Boolean} test Must be truthy for the assertion to pass. If falsy, an exception will be thrown. @public */ _emberMetal.setDebugFunction('assert', function assert(desc, test) { if (!test) { throw new _emberMetal.Error('Assertion Failed: ' + desc); } }); /** Display a debug notice. * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. ```javascript Ember.debug('I\'m a debug notice!'); ``` @method debug @param {String} message A debug message to display. @public */ _emberMetal.setDebugFunction('debug', function debug(message) { _emberConsole.default.debug('DEBUG: ' + message); }); /** Display an info notice. * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. @method info @private */ _emberMetal.setDebugFunction('info', function info() { _emberConsole.default.info.apply(undefined, arguments); }); /** Alias an old, deprecated method with its new counterpart. Display a deprecation warning with the provided message and a stack trace (Chrome and Firefox only) when the assigned method is called. * In a production build, this method is defined as an empty function (NOP). ```javascript Ember.oldMethod = Ember.deprecateFunc('Please use the new, updated method', Ember.newMethod); ``` @method deprecateFunc @param {String} message A description of the deprecation. @param {Object} [options] The options object for Ember.deprecate. @param {Function} func The new function called to replace its deprecated counterpart. @return {Function} A new function that wraps the original function with a deprecation warning @private */ _emberMetal.setDebugFunction('deprecateFunc', function deprecateFunc() { for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } if (args.length === 3) { var _ret = (function () { var message = args[0]; var options = args[1]; var func = args[2]; return { v: function () { _emberMetal.deprecate(message, false, options); return func.apply(this, arguments); } }; })(); if (typeof _ret === 'object') return _ret.v; } else { var _ret2 = (function () { var message = args[0]; var func = args[1]; return { v: function () { _emberMetal.deprecate(message); return func.apply(this, arguments); } }; })(); if (typeof _ret2 === 'object') return _ret2.v; } }); /** Run a function meant for debugging. * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. ```javascript Ember.runInDebug(() => { Ember.Component.reopen({ didInsertElement() { console.log("I'm happy"); } }); }); ``` @method runInDebug @param {Function} func The function to be executed. @since 1.5.0 @public */ _emberMetal.setDebugFunction('runInDebug', function runInDebug(func) { func(); }); _emberMetal.setDebugFunction('debugSeal', function debugSeal(obj) { Object.seal(obj); }); _emberMetal.setDebugFunction('debugFreeze', function debugFreeze(obj) { Object.freeze(obj); }); _emberMetal.setDebugFunction('deprecate', _emberDebugDeprecate.default); _emberMetal.setDebugFunction('warn', _emberDebugWarn.default); /** Will call `Ember.warn()` if ENABLE_OPTIONAL_FEATURES or any specific FEATURES flag is truthy. This method is called automatically in debug canary builds. @private @method _warnIfUsingStrippedFeatureFlags @return {void} */ function _warnIfUsingStrippedFeatureFlags(FEATURES, knownFeatures, featuresWereStripped) { if (featuresWereStripped) { _emberMetal.warn('Ember.ENV.ENABLE_OPTIONAL_FEATURES is only available in canary builds.', !_emberEnvironment.ENV.ENABLE_OPTIONAL_FEATURES, { id: 'ember-debug.feature-flag-with-features-stripped' }); var keys = Object.keys(FEATURES || {}); for (var i = 0; i < keys.length; i++) { var key = keys[i]; if (key === 'isEnabled' || !(key in knownFeatures)) { continue; } _emberMetal.warn('FEATURE["' + key + '"] is set as enabled, but FEATURE flags are only available in canary builds.', !FEATURES[key], { id: 'ember-debug.feature-flag-with-features-stripped' }); } } } if (!_emberMetal.isTesting()) { (function () { // Complain if they're using FEATURE flags in builds other than canary _emberMetal.FEATURES['features-stripped-test'] = true; var featuresWereStripped = true; if (false) { featuresWereStripped = false; } delete _emberMetal.FEATURES['features-stripped-test']; _warnIfUsingStrippedFeatureFlags(_emberEnvironment.ENV.FEATURES, _emberMetal.DEFAULT_FEATURES, featuresWereStripped); // Inform the developer about the Ember Inspector if not installed. var isFirefox = _emberEnvironment.environment.isFirefox; var isChrome = _emberEnvironment.environment.isChrome; if (typeof window !== 'undefined' && (isFirefox || isChrome) && window.addEventListener) { window.addEventListener('load', function () { if (document.documentElement && document.documentElement.dataset && !document.documentElement.dataset.emberExtension) { var downloadURL; if (isChrome) { downloadURL = 'https://chrome.google.com/webstore/detail/ember-inspector/bmdblncegkenkacieihfhpjfppoconhi'; } else if (isFirefox) { downloadURL = 'https://addons.mozilla.org/en-US/firefox/addon/ember-inspector/'; } _emberMetal.debug('For more advanced debugging, install the Ember Inspector from ' + downloadURL); } }, false); } })(); } /** @public @class Ember.Debug */ _emberMetal.default.Debug = {}; /** Allows for runtime registration of handler functions that override the default deprecation behavior. Deprecations are invoked by calls to [Ember.deprecate](http://emberjs.com/api/classes/Ember.html#method_deprecate). The following example demonstrates its usage by registering a handler that throws an error if the message contains the word "should", otherwise defers to the default handler. ```javascript Ember.Debug.registerDeprecationHandler((message, options, next) => { if (message.indexOf('should') !== -1) { throw new Error(`Deprecation message with should: ${message}`); } else { // defer to whatever handler was registered before this one next(message, options); } }); ``` The handler function takes the following arguments: @public @static @method registerDeprecationHandler @param handler {Function} A function to handle deprecation calls. @since 2.1.0 */ _emberMetal.default.Debug.registerDeprecationHandler = _emberDebugDeprecate.registerHandler; /** Allows for runtime registration of handler functions that override the default warning behavior. Warnings are invoked by calls made to [Ember.warn](http://emberjs.com/api/classes/Ember.html#method_warn). The following example demonstrates its usage by registering a handler that does nothing overriding Ember's default warning behavior. ```javascript // next is not called, so no warnings get the default behavior Ember.Debug.registerWarnHandler(() => {}); ``` The handler function takes the following arguments: @public @static @method registerWarnHandler @param handler {Function} A function to handle warnings. @since 2.1.0 */ _emberMetal.default.Debug.registerWarnHandler = _emberDebugWarn.registerHandler; /* We are transitioning away from `ember.js` to `ember.debug.js` to make it much clearer that it is only for local development purposes. This flag value is changed by the tooling (by a simple string replacement) so that if `ember.js` (which must be output for backwards compat reasons) is used a nice helpful warning message will be printed out. */ var runningNonEmberDebugJS = false; exports.runningNonEmberDebugJS = runningNonEmberDebugJS; if (runningNonEmberDebugJS) { _emberMetal.warn('Please use `ember.debug.js` instead of `ember.js` for development and debugging.'); } }); // reexports enifed('ember-debug/warn', ['exports', 'ember-console', 'ember-metal', 'ember-debug/handlers'], function (exports, _emberConsole, _emberMetal, _emberDebugHandlers) { 'use strict'; exports.registerHandler = registerHandler; exports.default = warn; function registerHandler(handler) { _emberDebugHandlers.registerHandler('warn', handler); } registerHandler(function logWarning(message, options) { _emberConsole.default.warn('WARNING: ' + message); if ('trace' in _emberConsole.default) { _emberConsole.default.trace(); } }); var missingOptionsDeprecation = 'When calling `Ember.warn` you ' + 'must provide an `options` hash as the third parameter. ' + '`options` should include an `id` property.'; exports.missingOptionsDeprecation = missingOptionsDeprecation; var missingOptionsIdDeprecation = 'When calling `Ember.warn` you must provide `id` in options.'; exports.missingOptionsIdDeprecation = missingOptionsIdDeprecation; /** @module ember @submodule ember-debug */ /** Display a warning with the provided message. * In a production build, this method is defined as an empty function (NOP). Uses of this method in Ember itself are stripped from the ember.prod.js build. @method warn @param {String} message A warning to display. @param {Boolean} test An optional boolean. If falsy, the warning will be displayed. @param {Object} options An object that can be used to pass a unique `id` for this warning. The `id` can be used by Ember debugging tools to change the behavior (raise, log, or silence) for that specific warning. The `id` should be namespaced by dots, e.g. "ember-debug.feature-flag-with-features-stripped" @for Ember @public */ function warn(message, test, options) { if (!options) { _emberMetal.deprecate(missingOptionsDeprecation, false, { id: 'ember-debug.warn-options-missing', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x/#toc_ember-debug-function-options' }); } if (options && !options.id) { _emberMetal.deprecate(missingOptionsIdDeprecation, false, { id: 'ember-debug.warn-id-missing', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x/#toc_ember-debug-function-options' }); } _emberDebugHandlers.invoke.apply(undefined, ['warn'].concat(babelHelpers.slice.call(arguments))); } }); enifed('ember-environment/global', ['exports'], function (exports) { /* globals global, window, self, mainContext */ // from lodash to catch fake globals 'use strict'; function checkGlobal(value) { return value && value.Object === Object ? value : undefined; } // element ids can ruin global miss checks function checkElementIdShadowing(value) { return value && value.nodeType === undefined ? value : undefined; } // export real global exports.default = checkGlobal(checkElementIdShadowing(typeof global === 'object' && global)) || checkGlobal(typeof self === 'object' && self) || checkGlobal(typeof window === 'object' && window) || mainContext || // set before strict mode in Ember loader/wrapper new Function('return this')(); // eval outside of strict mode }); enifed('ember-environment/index', ['exports', 'ember-environment/global', 'ember-environment/utils'], function (exports, _emberEnvironmentGlobal, _emberEnvironmentUtils) { /* globals module */ 'use strict'; /** The hash of environment variables used to control various configuration settings. To specify your own or override default settings, add the desired properties to a global hash named `EmberENV` (or `ENV` for backwards compatibility with earlier versions of Ember). The `EmberENV` hash must be created before loading Ember. @class EmberENV @type Object @public */ var ENV = typeof _emberEnvironmentGlobal.default.EmberENV === 'object' && _emberEnvironmentGlobal.default.EmberENV || typeof _emberEnvironmentGlobal.default.ENV === 'object' && _emberEnvironmentGlobal.default.ENV || {}; exports.ENV = ENV; // ENABLE_ALL_FEATURES was documented, but you can't actually enable non optional features. if (ENV.ENABLE_ALL_FEATURES) { ENV.ENABLE_OPTIONAL_FEATURES = true; } /** Determines whether Ember should add to `Array`, `Function`, and `String` native object prototypes, a few extra methods in order to provide a more friendly API. We generally recommend leaving this option set to true however, if you need to turn it off, you can add the configuration property `EXTEND_PROTOTYPES` to `EmberENV` and set it to `false`. Note, when disabled (the default configuration for Ember Addons), you will instead have to access all methods and functions from the Ember namespace. @property EXTEND_PROTOTYPES @type Boolean @default true @for EmberENV @public */ ENV.EXTEND_PROTOTYPES = _emberEnvironmentUtils.normalizeExtendPrototypes(ENV.EXTEND_PROTOTYPES); /** The `LOG_STACKTRACE_ON_DEPRECATION` property, when true, tells Ember to log a full stack trace during deprecation warnings. @property LOG_STACKTRACE_ON_DEPRECATION @type Boolean @default true @for EmberENV @public */ ENV.LOG_STACKTRACE_ON_DEPRECATION = _emberEnvironmentUtils.defaultTrue(ENV.LOG_STACKTRACE_ON_DEPRECATION); /** The `LOG_VERSION` property, when true, tells Ember to log versions of all dependent libraries in use. @property LOG_VERSION @type Boolean @default true @for EmberENV @public */ ENV.LOG_VERSION = _emberEnvironmentUtils.defaultTrue(ENV.LOG_VERSION); // default false ENV.MODEL_FACTORY_INJECTIONS = _emberEnvironmentUtils.defaultFalse(ENV.MODEL_FACTORY_INJECTIONS); /** Debug parameter you can turn on. This will log all bindings that fire to the console. This should be disabled in production code. Note that you can also enable this from the console or temporarily. @property LOG_BINDINGS @for EmberENV @type Boolean @default false @public */ ENV.LOG_BINDINGS = _emberEnvironmentUtils.defaultFalse(ENV.LOG_BINDINGS); ENV.RAISE_ON_DEPRECATION = _emberEnvironmentUtils.defaultFalse(ENV.RAISE_ON_DEPRECATION); // check if window exists and actually is the global var hasDOM = typeof window !== 'undefined' && window === _emberEnvironmentGlobal.default && window.document && window.document.createElement && !ENV.disableBrowserEnvironment; // is this a public thing? // legacy imports/exports/lookup stuff (should we keep this??) var originalContext = _emberEnvironmentGlobal.default.Ember || {}; var context = { // import jQuery imports: originalContext.imports || _emberEnvironmentGlobal.default, // export Ember exports: originalContext.exports || _emberEnvironmentGlobal.default, // search for Namespaces lookup: originalContext.lookup || _emberEnvironmentGlobal.default }; exports.context = context; // TODO: cleanup single source of truth issues with this stuff var environment = hasDOM ? { hasDOM: true, isChrome: !!window.chrome && !window.opera, isFirefox: typeof InstallTrigger !== 'undefined', isPhantom: !!window.callPhantom, location: window.location, history: window.history, userAgent: window.navigator.userAgent, window: window } : { hasDOM: false, isChrome: false, isFirefox: false, isPhantom: false, location: null, history: null, userAgent: 'Lynx (textmode)', window: null }; exports.environment = environment; }); enifed("ember-environment/utils", ["exports"], function (exports) { "use strict"; exports.defaultTrue = defaultTrue; exports.defaultFalse = defaultFalse; exports.normalizeExtendPrototypes = normalizeExtendPrototypes; function defaultTrue(v) { return v === false ? false : true; } function defaultFalse(v) { return v === true ? true : false; } function normalizeExtendPrototypes(obj) { if (obj === false) { return { String: false, Array: false, Function: false }; } else if (!obj || obj === true) { return { String: true, Array: true, Function: true }; } else { return { String: defaultTrue(obj.String), Array: defaultTrue(obj.Array), Function: defaultTrue(obj.Function) }; } } }); enifed('ember-metal/alias', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/property_get', 'ember-metal/property_set', 'ember-metal/error', 'ember-metal/properties', 'ember-metal/computed', 'ember-metal/meta', 'ember-metal/dependent_keys'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalProperty_get, _emberMetalProperty_set, _emberMetalError, _emberMetalProperties, _emberMetalComputed, _emberMetalMeta, _emberMetalDependent_keys) { 'use strict'; exports.default = alias; exports.AliasedProperty = AliasedProperty; function alias(altKey) { return new AliasedProperty(altKey); } function AliasedProperty(altKey) { this.isDescriptor = true; this.altKey = altKey; this._dependentKeys = [altKey]; } AliasedProperty.prototype = Object.create(_emberMetalProperties.Descriptor.prototype); AliasedProperty.prototype.setup = function (obj, keyName) { _emberMetalDebug.assert('Setting alias \'' + keyName + '\' on self', this.altKey !== keyName); var meta = _emberMetalMeta.meta(obj); if (meta.peekWatching(keyName)) { _emberMetalDependent_keys.addDependentKeys(this, obj, keyName, meta); } }; AliasedProperty.prototype._addDependentKeyIfMissing = function (obj, keyName) { var meta = _emberMetalMeta.meta(obj); if (!meta.peekDeps(this.altKey, keyName)) { _emberMetalDependent_keys.addDependentKeys(this, obj, keyName, meta); } }; AliasedProperty.prototype._removeDependentKeyIfAdded = function (obj, keyName) { var meta = _emberMetalMeta.meta(obj); if (meta.peekDeps(this.altKey, keyName)) { _emberMetalDependent_keys.removeDependentKeys(this, obj, keyName, meta); } }; AliasedProperty.prototype.willWatch = AliasedProperty.prototype._addDependentKeyIfMissing; AliasedProperty.prototype.didUnwatch = AliasedProperty.prototype._removeDependentKeyIfAdded; AliasedProperty.prototype.teardown = AliasedProperty.prototype._removeDependentKeyIfAdded; AliasedProperty.prototype.get = function AliasedProperty_get(obj, keyName) { this._addDependentKeyIfMissing(obj, keyName); return _emberMetalProperty_get.get(obj, this.altKey); }; AliasedProperty.prototype.set = function AliasedProperty_set(obj, keyName, value) { return _emberMetalProperty_set.set(obj, this.altKey, value); }; AliasedProperty.prototype.readOnly = function () { this.set = AliasedProperty_readOnlySet; return this; }; function AliasedProperty_readOnlySet(obj, keyName, value) { throw new _emberMetalError.default('Cannot set read-only property \'' + keyName + '\' on object: ' + _emberUtils.inspect(obj)); } AliasedProperty.prototype.oneWay = function () { this.set = AliasedProperty_oneWaySet; return this; }; function AliasedProperty_oneWaySet(obj, keyName, value) { _emberMetalProperties.defineProperty(obj, keyName, null); return _emberMetalProperty_set.set(obj, keyName, value); } // Backwards compatibility with Ember Data. AliasedProperty.prototype._meta = undefined; AliasedProperty.prototype.meta = _emberMetalComputed.ComputedProperty.prototype.meta; }); enifed('ember-metal/binding', ['exports', 'ember-utils', 'ember-console', 'ember-environment', 'ember-metal/run_loop', 'ember-metal/debug', 'ember-metal/property_get', 'ember-metal/property_set', 'ember-metal/events', 'ember-metal/observer', 'ember-metal/path_cache'], function (exports, _emberUtils, _emberConsole, _emberEnvironment, _emberMetalRun_loop, _emberMetalDebug, _emberMetalProperty_get, _emberMetalProperty_set, _emberMetalEvents, _emberMetalObserver, _emberMetalPath_cache) { 'use strict'; exports.bind = bind; /** @module ember @submodule ember-metal */ // .......................................................... // BINDING // function Binding(toPath, fromPath) { // Configuration this._from = fromPath; this._to = toPath; this._oneWay = undefined; // State this._direction = undefined; this._readyToSync = undefined; this._fromObj = undefined; this._fromPath = undefined; this._toObj = undefined; } /** @class Binding @namespace Ember @deprecated See http://emberjs.com/deprecations/v2.x#toc_ember-binding @public */ Binding.prototype = { /** This copies the Binding so it can be connected to another object. @method copy @return {Ember.Binding} `this` @public */ copy: function () { var copy = new Binding(this._to, this._from); if (this._oneWay) { copy._oneWay = true; } return copy; }, // .......................................................... // CONFIG // /** This will set `from` property path to the specified value. It will not attempt to resolve this property path to an actual object until you connect the binding. The binding will search for the property path starting at the root object you pass when you `connect()` the binding. It follows the same rules as `get()` - see that method for more information. @method from @param {String} path The property path to connect to. @return {Ember.Binding} `this` @public */ from: function (path) { this._from = path; return this; }, /** This will set the `to` property path to the specified value. It will not attempt to resolve this property path to an actual object until you connect the binding. The binding will search for the property path starting at the root object you pass when you `connect()` the binding. It follows the same rules as `get()` - see that method for more information. @method to @param {String|Tuple} path A property path or tuple. @return {Ember.Binding} `this` @public */ to: function (path) { this._to = path; return this; }, /** Configures the binding as one way. A one-way binding will relay changes on the `from` side to the `to` side, but not the other way around. This means that if you change the `to` side directly, the `from` side may have a different value. @method oneWay @return {Ember.Binding} `this` @public */ oneWay: function () { this._oneWay = true; return this; }, /** @method toString @return {String} string representation of binding @public */ toString: function () { var oneWay = this._oneWay ? '[oneWay]' : ''; return 'Ember.Binding<' + _emberUtils.guidFor(this) + '>(' + this._from + ' -> ' + this._to + ')' + oneWay; }, // .......................................................... // CONNECT AND SYNC // /** Attempts to connect this binding instance so that it can receive and relay changes. This method will raise an exception if you have not set the from/to properties yet. @method connect @param {Object} obj The root object for this binding. @return {Ember.Binding} `this` @public */ connect: function (obj) { _emberMetalDebug.assert('Must pass a valid object to Ember.Binding.connect()', !!obj); var fromObj = undefined, fromPath = undefined, possibleGlobal = undefined; // If the binding's "from" path could be interpreted as a global, verify // whether the path refers to a global or not by consulting `Ember.lookup`. if (_emberMetalPath_cache.isGlobalPath(this._from)) { var _name = _emberMetalPath_cache.getFirstKey(this._from); possibleGlobal = _emberEnvironment.context.lookup[_name]; if (possibleGlobal) { fromObj = possibleGlobal; fromPath = _emberMetalPath_cache.getTailPath(this._from); } } if (fromObj === undefined) { fromObj = obj; fromPath = this._from; } _emberMetalProperty_set.trySet(obj, this._to, _emberMetalProperty_get.get(fromObj, fromPath)); // Add an observer on the object to be notified when the binding should be updated. _emberMetalObserver.addObserver(fromObj, fromPath, this, 'fromDidChange'); // If the binding is a two-way binding, also set up an observer on the target. if (!this._oneWay) { _emberMetalObserver.addObserver(obj, this._to, this, 'toDidChange'); } _emberMetalEvents.addListener(obj, 'willDestroy', this, 'disconnect'); fireDeprecations(obj, this._to, this._from, possibleGlobal, this._oneWay, !possibleGlobal && !this._oneWay); this._readyToSync = true; this._fromObj = fromObj; this._fromPath = fromPath; this._toObj = obj; return this; }, /** Disconnects the binding instance. Changes will no longer be relayed. You will not usually need to call this method. @method disconnect @return {Ember.Binding} `this` @public */ disconnect: function () { _emberMetalDebug.assert('Must pass a valid object to Ember.Binding.disconnect()', !!this._toObj); // Remove an observer on the object so we're no longer notified of // changes that should update bindings. _emberMetalObserver.removeObserver(this._fromObj, this._fromPath, this, 'fromDidChange'); // If the binding is two-way, remove the observer from the target as well. if (!this._oneWay) { _emberMetalObserver.removeObserver(this._toObj, this._to, this, 'toDidChange'); } this._readyToSync = false; // Disable scheduled syncs... return this; }, // .......................................................... // PRIVATE // /* Called when the from side changes. */ fromDidChange: function (target) { this._scheduleSync('fwd'); }, /* Called when the to side changes. */ toDidChange: function (target) { this._scheduleSync('back'); }, _scheduleSync: function (dir) { var existingDir = this._direction; // If we haven't scheduled the binding yet, schedule it. if (existingDir === undefined) { _emberMetalRun_loop.default.schedule('sync', this, '_sync'); this._direction = dir; } // If both a 'back' and 'fwd' sync have been scheduled on the same object, // default to a 'fwd' sync so that it remains deterministic. if (existingDir === 'back' && dir === 'fwd') { this._direction = 'fwd'; } }, _sync: function () { var log = _emberEnvironment.ENV.LOG_BINDINGS; var toObj = this._toObj; // Don't synchronize destroyed objects or disconnected bindings. if (toObj.isDestroyed || !this._readyToSync) { return; } // Get the direction of the binding for the object we are // synchronizing from. var direction = this._direction; var fromObj = this._fromObj; var fromPath = this._fromPath; this._direction = undefined; // If we're synchronizing from the remote object... if (direction === 'fwd') { var fromValue = _emberMetalProperty_get.get(fromObj, fromPath); if (log) { _emberConsole.default.log(' ', this.toString(), '->', fromValue, fromObj); } if (this._oneWay) { _emberMetalProperty_set.trySet(toObj, this._to, fromValue); } else { _emberMetalObserver._suspendObserver(toObj, this._to, this, 'toDidChange', function () { _emberMetalProperty_set.trySet(toObj, this._to, fromValue); }); } // If we're synchronizing *to* the remote object. } else if (direction === 'back') { var toValue = _emberMetalProperty_get.get(toObj, this._to); if (log) { _emberConsole.default.log(' ', this.toString(), '<-', toValue, toObj); } _emberMetalObserver._suspendObserver(fromObj, fromPath, this, 'fromDidChange', function () { _emberMetalProperty_set.trySet(fromObj, fromPath, toValue); }); } } }; function fireDeprecations(obj, toPath, fromPath, deprecateGlobal, deprecateOneWay, deprecateAlias) { var deprecateGlobalMessage = '`Ember.Binding` is deprecated. Since you' + ' are binding to a global consider using a service instead.'; var deprecateOneWayMessage = '`Ember.Binding` is deprecated. Since you' + ' are using a `oneWay` binding consider using a `readOnly` computed' + ' property instead.'; var deprecateAliasMessage = '`Ember.Binding` is deprecated. Consider' + ' using an `alias` computed property instead.'; var objectInfo = 'The `' + toPath + '` property of `' + obj + '` is an `Ember.Binding` connected to `' + fromPath + '`, but '; _emberMetalDebug.deprecate(objectInfo + deprecateGlobalMessage, !deprecateGlobal, { id: 'ember-metal.binding', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x#toc_ember-binding' }); _emberMetalDebug.deprecate(objectInfo + deprecateOneWayMessage, !deprecateOneWay, { id: 'ember-metal.binding', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x#toc_ember-binding' }); _emberMetalDebug.deprecate(objectInfo + deprecateAliasMessage, !deprecateAlias, { id: 'ember-metal.binding', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x#toc_ember-binding' }); } function mixinProperties(to, from) { for (var key in from) { if (from.hasOwnProperty(key)) { to[key] = from[key]; } } } mixinProperties(Binding, { /* See `Ember.Binding.from`. @method from @static */ from: function (from) { var C = this; return new C(undefined, from); }, /* See `Ember.Binding.to`. @method to @static */ to: function (to) { var C = this; return new C(to, undefined); } }); /** An `Ember.Binding` connects the properties of two objects so that whenever the value of one property changes, the other property will be changed also. ## Automatic Creation of Bindings with `/^*Binding/`-named Properties. You do not usually create Binding objects directly but instead describe bindings in your class or object definition using automatic binding detection. Properties ending in a `Binding` suffix will be converted to `Ember.Binding` instances. The value of this property should be a string representing a path to another object or a custom binding instance created using Binding helpers (see "One Way Bindings"): ``` valueBinding: "MyApp.someController.title" ``` This will create a binding from `MyApp.someController.title` to the `value` property of your object instance automatically. Now the two values will be kept in sync. ## One Way Bindings One especially useful binding customization you can use is the `oneWay()` helper. This helper tells Ember that you are only interested in receiving changes on the object you are binding from. For example, if you are binding to a preference and you want to be notified if the preference has changed, but your object will not be changing the preference itself, you could do: ``` bigTitlesBinding: Ember.Binding.oneWay("MyApp.preferencesController.bigTitles") ``` This way if the value of `MyApp.preferencesController.bigTitles` changes the `bigTitles` property of your object will change also. However, if you change the value of your `bigTitles` property, it will not update the `preferencesController`. One way bindings are almost twice as fast to setup and twice as fast to execute because the binding only has to worry about changes to one side. You should consider using one way bindings anytime you have an object that may be created frequently and you do not intend to change a property; only to monitor it for changes (such as in the example above). ## Adding Bindings Manually All of the examples above show you how to configure a custom binding, but the result of these customizations will be a binding template, not a fully active Binding instance. The binding will actually become active only when you instantiate the object the binding belongs to. It is useful, however, to understand what actually happens when the binding is activated. For a binding to function it must have at least a `from` property and a `to` property. The `from` property path points to the object/key that you want to bind from while the `to` path points to the object/key you want to bind to. When you define a custom binding, you are usually describing the property you want to bind from (such as `MyApp.someController.value` in the examples above). When your object is created, it will automatically assign the value you want to bind `to` based on the name of your binding key. In the examples above, during init, Ember objects will effectively call something like this on your binding: ```javascript binding = Ember.Binding.from("valueBinding").to("value"); ``` This creates a new binding instance based on the template you provide, and sets the to path to the `value` property of the new object. Now that the binding is fully configured with a `from` and a `to`, it simply needs to be connected to become active. This is done through the `connect()` method: ```javascript binding.connect(this); ``` Note that when you connect a binding you pass the object you want it to be connected to. This object will be used as the root for both the from and to side of the binding when inspecting relative paths. This allows the binding to be automatically inherited by subclassed objects as well. This also allows you to bind between objects using the paths you declare in `from` and `to`: ```javascript // Example 1 binding = Ember.Binding.from("App.someObject.value").to("value"); binding.connect(this); // Example 2 binding = Ember.Binding.from("parentView.value").to("App.someObject.value"); binding.connect(this); ``` Now that the binding is connected, it will observe both the from and to side and relay changes. If you ever needed to do so (you almost never will, but it is useful to understand this anyway), you could manually create an active binding by using the `Ember.bind()` helper method. (This is the same method used by to setup your bindings on objects): ```javascript Ember.bind(MyApp.anotherObject, "value", "MyApp.someController.value"); ``` Both of these code fragments have the same effect as doing the most friendly form of binding creation like so: ```javascript MyApp.anotherObject = Ember.Object.create({ valueBinding: "MyApp.someController.value", // OTHER CODE FOR THIS OBJECT... }); ``` Ember's built in binding creation method makes it easy to automatically create bindings for you. You should always use the highest-level APIs available, even if you understand how it works underneath. @class Binding @namespace Ember @since Ember 0.9 @public */ // Ember.Binding = Binding; ES6TODO: where to put this? /** Global helper method to create a new binding. Just pass the root object along with a `to` and `from` path to create and connect the binding. @method bind @for Ember @param {Object} obj The root object of the transform. @param {String} to The path to the 'to' side of the binding. Must be relative to obj. @param {String} from The path to the 'from' side of the binding. Must be relative to obj or a global path. @return {Ember.Binding} binding instance @public */ function bind(obj, to, from) { return new Binding(to, from).connect(obj); } exports.Binding = Binding; }); enifed('ember-metal/cache', ['exports', 'ember-utils', 'ember-metal/meta'], function (exports, _emberUtils, _emberMetalMeta) { 'use strict'; var Cache = (function () { function Cache(limit, func, key, store) { babelHelpers.classCallCheck(this, Cache); this.size = 0; this.misses = 0; this.hits = 0; this.limit = limit; this.func = func; this.key = key; this.store = store || new DefaultStore(); } Cache.prototype.get = function get(obj) { var key = this.key === undefined ? obj : this.key(obj); var value = this.store.get(key); if (value === undefined) { this.misses++; value = this._set(key, this.func(obj)); } else if (value === _emberMetalMeta.UNDEFINED) { this.hits++; value = undefined; } else { this.hits++; // nothing to translate } return value; }; Cache.prototype.set = function set(obj, value) { var key = this.key === undefined ? obj : this.key(obj); return this._set(key, value); }; Cache.prototype._set = function _set(key, value) { if (this.limit > this.size) { this.size++; if (value === undefined) { this.store.set(key, _emberMetalMeta.UNDEFINED); } else { this.store.set(key, value); } } return value; }; Cache.prototype.purge = function purge() { this.store.clear(); this.size = 0; this.hits = 0; this.misses = 0; }; return Cache; })(); exports.default = Cache; var DefaultStore = (function () { function DefaultStore() { babelHelpers.classCallCheck(this, DefaultStore); this.data = new _emberUtils.EmptyObject(); } DefaultStore.prototype.get = function get(key) { return this.data[key]; }; DefaultStore.prototype.set = function set(key, value) { this.data[key] = value; }; DefaultStore.prototype.clear = function clear() { this.data = new _emberUtils.EmptyObject(); }; return DefaultStore; })(); }); enifed('ember-metal/chains', ['exports', 'ember-utils', 'ember-metal/property_get', 'ember-metal/meta', 'ember-metal/watch_key', 'ember-metal/watch_path'], function (exports, _emberUtils, _emberMetalProperty_get, _emberMetalMeta, _emberMetalWatch_key, _emberMetalWatch_path) { 'use strict'; exports.finishChains = finishChains; var FIRST_KEY = /^([^\.]+)/; function firstKey(path) { return path.match(FIRST_KEY)[0]; } function isObject(obj) { return typeof obj === 'object' && obj; } function isVolatile(obj) { return !(isObject(obj) && obj.isDescriptor && obj._volatile === false); } function ChainWatchers() { // chain nodes that reference a key in this obj by key // we only create ChainWatchers when we are going to add them // so create this upfront this.chains = new _emberUtils.EmptyObject(); } ChainWatchers.prototype = { add: function (key, node) { var nodes = this.chains[key]; if (nodes === undefined) { this.chains[key] = [node]; } else { nodes.push(node); } }, remove: function (key, node) { var nodes = this.chains[key]; if (nodes) { for (var i = 0; i < nodes.length; i++) { if (nodes[i] === node) { nodes.splice(i, 1); break; } } } }, has: function (key, node) { var nodes = this.chains[key]; if (nodes) { for (var i = 0; i < nodes.length; i++) { if (nodes[i] === node) { return true; } } } return false; }, revalidateAll: function () { for (var key in this.chains) { this.notify(key, true, undefined); } }, revalidate: function (key) { this.notify(key, true, undefined); }, // key: the string key that is part of a path changed // revalidate: boolean; the chains that are watching this value should revalidate // callback: function that will be called with the object and path that // will be/are invalidated by this key change, depending on // whether the revalidate flag is passed notify: function (key, revalidate, callback) { var nodes = this.chains[key]; if (nodes === undefined || nodes.length === 0) { return; } var affected = undefined; if (callback) { affected = []; } for (var i = 0; i < nodes.length; i++) { nodes[i].notify(revalidate, affected); } if (callback === undefined) { return; } // we gather callbacks so we don't notify them during revalidation for (var i = 0; i < affected.length; i += 2) { var obj = affected[i]; var path = affected[i + 1]; callback(obj, path); } } }; function makeChainWatcher() { return new ChainWatchers(); } function addChainWatcher(obj, keyName, node) { var m = _emberMetalMeta.meta(obj); m.writableChainWatchers(makeChainWatcher).add(keyName, node); _emberMetalWatch_key.watchKey(obj, keyName, m); } function removeChainWatcher(obj, keyName, node, _meta) { if (!isObject(obj)) { return; } var meta = _meta || _emberMetalMeta.peekMeta(obj); if (!meta || !meta.readableChainWatchers()) { return; } // make meta writable meta = _emberMetalMeta.meta(obj); meta.readableChainWatchers().remove(keyName, node); _emberMetalWatch_key.unwatchKey(obj, keyName, meta); } // A ChainNode watches a single key on an object. If you provide a starting // value for the key then the node won't actually watch it. For a root node // pass null for parent and key and object for value. function ChainNode(parent, key, value) { this._parent = parent; this._key = key; // _watching is true when calling get(this._parent, this._key) will // return the value of this node. // // It is false for the root of a chain (because we have no parent) // and for global paths (because the parent node is the object with // the observer on it) this._watching = value === undefined; this._chains = undefined; this._object = undefined; this.count = 0; this._value = value; this._paths = {}; if (this._watching) { var obj = parent.value(); if (!isObject(obj)) { return; } this._object = obj; addChainWatcher(this._object, this._key, this); } } function lazyGet(obj, key) { if (!obj) { return; } var meta = _emberMetalMeta.peekMeta(obj); // check if object meant only to be a prototype if (meta && meta.proto === obj) { return; } // Use `get` if the return value is an EachProxy or an uncacheable value. if (isVolatile(obj[key])) { return _emberMetalProperty_get.get(obj, key); // Otherwise attempt to get the cached value of the computed property } else { var cache = meta.readableCache(); if (cache && key in cache) { return cache[key]; } } } ChainNode.prototype = { value: function () { if (this._value === undefined && this._watching) { var obj = this._parent.value(); this._value = lazyGet(obj, this._key); } return this._value; }, destroy: function () { if (this._watching) { var obj = this._object; if (obj) { removeChainWatcher(obj, this._key, this); } this._watching = false; // so future calls do nothing } }, // copies a top level object only copy: function (obj) { var ret = new ChainNode(null, null, obj); var paths = this._paths; var path = undefined; for (path in paths) { // this check will also catch non-number vals. if (paths[path] <= 0) { continue; } ret.add(path); } return ret; }, // called on the root node of a chain to setup watchers on the specified // path. add: function (path) { var paths = this._paths; paths[path] = (paths[path] || 0) + 1; var key = firstKey(path); var tail = path.slice(key.length + 1); this.chain(key, tail); }, // called on the root node of a chain to teardown watcher on the specified // path remove: function (path) { var paths = this._paths; if (paths[path] > 0) { paths[path]--; } var key = firstKey(path); var tail = path.slice(key.length + 1); this.unchain(key, tail); }, chain: function (key, path) { var chains = this._chains; var node = undefined; if (chains === undefined) { chains = this._chains = new _emberUtils.EmptyObject(); } else { node = chains[key]; } if (node === undefined) { node = chains[key] = new ChainNode(this, key, undefined); } node.count++; // count chains... // chain rest of path if there is one if (path) { key = firstKey(path); path = path.slice(key.length + 1); node.chain(key, path); } }, unchain: function (key, path) { var chains = this._chains; var node = chains[key]; // unchain rest of path first... if (path && path.length > 1) { var nextKey = firstKey(path); var nextPath = path.slice(nextKey.length + 1); node.unchain(nextKey, nextPath); } // delete node if needed. node.count--; if (node.count <= 0) { chains[node._key] = undefined; node.destroy(); } }, notify: function (revalidate, affected) { if (revalidate && this._watching) { var parentValue = this._parent.value(); if (parentValue !== this._object) { if (this._object) { removeChainWatcher(this._object, this._key, this); } if (isObject(parentValue)) { this._object = parentValue; addChainWatcher(parentValue, this._key, this); } else { this._object = undefined; } } this._value = undefined; } // then notify chains... var chains = this._chains; var node = undefined; if (chains) { for (var key in chains) { node = chains[key]; if (node !== undefined) { node.notify(revalidate, affected); } } } if (affected && this._parent) { this._parent.populateAffected(this._key, 1, affected); } }, populateAffected: function (path, depth, affected) { if (this._key) { path = this._key + '.' + path; } if (this._parent) { this._parent.populateAffected(path, depth + 1, affected); } else { if (depth > 1) { affected.push(this.value(), path); } } } }; function finishChains(obj) { // We only create meta if we really have to var m = _emberMetalMeta.peekMeta(obj); if (m) { m = _emberMetalMeta.meta(obj); // finish any current chains node watchers that reference obj var chainWatchers = m.readableChainWatchers(); if (chainWatchers) { chainWatchers.revalidateAll(); } // ensure that if we have inherited any chains they have been // copied onto our own meta. if (m.readableChains()) { m.writableChains(_emberMetalWatch_path.makeChainNode); } } } exports.removeChainWatcher = removeChainWatcher; exports.ChainNode = ChainNode; }); enifed('ember-metal/computed', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/property_set', 'ember-metal/meta', 'ember-metal/expand_properties', 'ember-metal/error', 'ember-metal/properties', 'ember-metal/property_events', 'ember-metal/dependent_keys'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalProperty_set, _emberMetalMeta, _emberMetalExpand_properties, _emberMetalError, _emberMetalProperties, _emberMetalProperty_events, _emberMetalDependent_keys) { 'use strict'; exports.default = computed; /** @module ember @submodule ember-metal */ var DEEP_EACH_REGEX = /\.@each\.[^.]+\./; /** A computed property transforms an object literal with object's accessor function(s) into a property. By default the function backing the computed property will only be called once and the result will be cached. You can specify various properties that your computed property depends on. This will force the cached result to be recomputed if the dependencies are modified. In the following example we declare a computed property - `fullName` - by calling `.Ember.computed()` with property dependencies (`firstName` and `lastName`) as leading arguments and getter accessor function. The `fullName` getter function will be called once (regardless of how many times it is accessed) as long as its dependencies have not changed. Once `firstName` or `lastName` are updated any future calls (or anything bound) to `fullName` will incorporate the new values. ```javascript let Person = Ember.Object.extend({ // these will be supplied by `create` firstName: null, lastName: null, fullName: Ember.computed('firstName', 'lastName', function() { let firstName = this.get('firstName'), lastName = this.get('lastName'); return firstName + ' ' + lastName; }) }); let tom = Person.create({ firstName: 'Tom', lastName: 'Dale' }); tom.get('fullName') // 'Tom Dale' ``` You can also define what Ember should do when setting a computed property by providing additional function (`set`) in hash argument. If you try to set a computed property, it will try to invoke setter accessor function with the key and value you want to set it to as arguments. ```javascript let Person = Ember.Object.extend({ // these will be supplied by `create` firstName: null, lastName: null, fullName: Ember.computed('firstName', 'lastName', { get(key) { let firstName = this.get('firstName'), lastName = this.get('lastName'); return firstName + ' ' + lastName; }, set(key, value) { let [firstName, lastName] = value.split(' '); this.set('firstName', firstName); this.set('lastName', lastName); return value; } }) }); let person = Person.create(); person.set('fullName', 'Peter Wagenet'); person.get('firstName'); // 'Peter' person.get('lastName'); // 'Wagenet' ``` You can overwrite computed property with normal property (no longer computed), that won't change if dependencies change, if you set computed property and it won't have setter accessor function defined. You can also mark computed property as `.readOnly()` and block all attempts to set it. ```javascript let Person = Ember.Object.extend({ // these will be supplied by `create` firstName: null, lastName: null, fullName: Ember.computed('firstName', 'lastName', { get(key) { let firstName = this.get('firstName'); let lastName = this.get('lastName'); return firstName + ' ' + lastName; } }).readOnly() }); let person = Person.create(); person.set('fullName', 'Peter Wagenet'); // Uncaught Error: Cannot set read-only property "fullName" on object: <(...):emberXXX> ``` Additional resources: - [New CP syntax RFC](https://github.com/emberjs/rfcs/blob/master/text/0011-improved-cp-syntax.md) - [New computed syntax explained in "Ember 1.12 released" ](http://emberjs.com/blog/2015/05/13/ember-1-12-released.html#toc_new-computed-syntax) @class ComputedProperty @namespace Ember @public */ function ComputedProperty(config, opts) { this.isDescriptor = true; if (typeof config === 'function') { this._getter = config; } else { _emberMetalDebug.assert('Ember.computed expects a function or an object as last argument.', typeof config === 'object' && !Array.isArray(config)); _emberMetalDebug.assert('Config object passed to an Ember.computed can only contain `get` or `set` keys.', (function () { var keys = Object.keys(config); for (var i = 0; i < keys.length; i++) { if (keys[i] !== 'get' && keys[i] !== 'set') { return false; } } return true; })()); this._getter = config.get; this._setter = config.set; } _emberMetalDebug.assert('Computed properties must receive a getter or a setter, you passed none.', !!this._getter || !!this._setter); this._dependentKeys = undefined; this._suspended = undefined; this._meta = undefined; this._volatile = false; this._dependentKeys = opts && opts.dependentKeys; this._readOnly = false; } ComputedProperty.prototype = new _emberMetalProperties.Descriptor(); ComputedProperty.prototype.constructor = ComputedProperty; var ComputedPropertyPrototype = ComputedProperty.prototype; /** Call on a computed property to set it into non-cached mode. When in this mode the computed property will not automatically cache the return value. It also does not automatically fire any change events. You must manually notify any changes if you want to observe this property. Dependency keys have no effect on volatile properties as they are for cache invalidation and notification when cached value is invalidated. ```javascript let outsideService = Ember.Object.extend({ value: Ember.computed(function() { return OutsideService.getValue(); }).volatile() }).create(); ``` @method volatile @return {Ember.ComputedProperty} this @chainable @public */ ComputedPropertyPrototype.volatile = function () { this._volatile = true; return this; }; /** Call on a computed property to set it into read-only mode. When in this mode the computed property will throw an error when set. ```javascript let Person = Ember.Object.extend({ guid: Ember.computed(function() { return 'guid-guid-guid'; }).readOnly() }); let person = Person.create(); person.set('guid', 'new-guid'); // will throw an exception ``` @method readOnly @return {Ember.ComputedProperty} this @chainable @public */ ComputedPropertyPrototype.readOnly = function () { this._readOnly = true; _emberMetalDebug.assert('Computed properties that define a setter using the new syntax cannot be read-only', !(this._readOnly && this._setter && this._setter !== this._getter)); return this; }; /** Sets the dependent keys on this computed property. Pass any number of arguments containing key paths that this computed property depends on. ```javascript let President = Ember.Object.extend({ fullName: Ember.computed(function() { return this.get('firstName') + ' ' + this.get('lastName'); // Tell Ember that this computed property depends on firstName // and lastName }).property('firstName', 'lastName') }); let president = President.create({ firstName: 'Barack', lastName: 'Obama' }); president.get('fullName'); // 'Barack Obama' ``` @method property @param {String} path* zero or more property paths @return {Ember.ComputedProperty} this @chainable @public */ ComputedPropertyPrototype.property = function () { var args = []; function addArg(property) { _emberMetalDebug.warn('Dependent keys containing @each only work one level deep. ' + 'You cannot use nested forms like todos.@each.owner.name or todos.@each.owner.@each.name. ' + 'Please create an intermediary computed property.', DEEP_EACH_REGEX.test(property) === false, { id: 'ember-metal.computed-deep-each' }); args.push(property); } for (var i = 0; i < arguments.length; i++) { _emberMetalExpand_properties.default(arguments[i], addArg); } this._dependentKeys = args; return this; }; /** In some cases, you may want to annotate computed properties with additional metadata about how they function or what values they operate on. For example, computed property functions may close over variables that are then no longer available for introspection. You can pass a hash of these values to a computed property like this: ``` person: Ember.computed(function() { let personId = this.get('personId'); return App.Person.create({ id: personId }); }).meta({ type: App.Person }) ``` The hash that you pass to the `meta()` function will be saved on the computed property descriptor under the `_meta` key. Ember runtime exposes a public API for retrieving these values from classes, via the `metaForProperty()` function. @method meta @param {Object} meta @chainable @public */ ComputedPropertyPrototype.meta = function (meta) { if (arguments.length === 0) { return this._meta || {}; } else { this._meta = meta; return this; } }; // invalidate cache when CP key changes ComputedPropertyPrototype.didChange = function (obj, keyName) { // _suspended is set via a CP.set to ensure we don't clear // the cached value set by the setter if (this._volatile || this._suspended === obj) { return; } // don't create objects just to invalidate var meta = _emberMetalMeta.peekMeta(obj); if (!meta || meta.source !== obj) { return; } var cache = meta.readableCache(); if (cache && cache[keyName] !== undefined) { cache[keyName] = undefined; _emberMetalDependent_keys.removeDependentKeys(this, obj, keyName, meta); } }; ComputedPropertyPrototype.get = function (obj, keyName) { if (this._volatile) { return this._getter.call(obj, keyName); } var meta = _emberMetalMeta.meta(obj); var cache = meta.writableCache(); var result = cache[keyName]; if (result === _emberMetalMeta.UNDEFINED) { return undefined; } else if (result !== undefined) { return result; } var ret = this._getter.call(obj, keyName); if (ret === undefined) { cache[keyName] = _emberMetalMeta.UNDEFINED; } else { cache[keyName] = ret; } var chainWatchers = meta.readableChainWatchers(); if (chainWatchers) { chainWatchers.revalidate(keyName); } _emberMetalDependent_keys.addDependentKeys(this, obj, keyName, meta); return ret; }; ComputedPropertyPrototype.set = function computedPropertySetEntry(obj, keyName, value) { if (this._readOnly) { this._throwReadOnlyError(obj, keyName); } if (!this._setter) { return this.clobberSet(obj, keyName, value); } if (this._volatile) { return this.volatileSet(obj, keyName, value); } return this.setWithSuspend(obj, keyName, value); }; ComputedPropertyPrototype._throwReadOnlyError = function computedPropertyThrowReadOnlyError(obj, keyName) { throw new _emberMetalError.default('Cannot set read-only property "' + keyName + '" on object: ' + _emberUtils.inspect(obj)); }; ComputedPropertyPrototype.clobberSet = function computedPropertyClobberSet(obj, keyName, value) { var cachedValue = cacheFor(obj, keyName); _emberMetalProperties.defineProperty(obj, keyName, null, cachedValue); _emberMetalProperty_set.set(obj, keyName, value); return value; }; ComputedPropertyPrototype.volatileSet = function computedPropertyVolatileSet(obj, keyName, value) { return this._setter.call(obj, keyName, value); }; ComputedPropertyPrototype.setWithSuspend = function computedPropertySetWithSuspend(obj, keyName, value) { var oldSuspended = this._suspended; this._suspended = obj; try { return this._set(obj, keyName, value); } finally { this._suspended = oldSuspended; } }; ComputedPropertyPrototype._set = function computedPropertySet(obj, keyName, value) { // cache requires own meta var meta = _emberMetalMeta.meta(obj); // either there is a writable cache or we need one to update var cache = meta.writableCache(); var hadCachedValue = false; var cachedValue = undefined; if (cache[keyName] !== undefined) { if (cache[keyName] !== _emberMetalMeta.UNDEFINED) { cachedValue = cache[keyName]; } hadCachedValue = true; } var ret = this._setter.call(obj, keyName, value, cachedValue); // allows setter to return the same value that is cached already if (hadCachedValue && cachedValue === ret) { return ret; } _emberMetalProperty_events.propertyWillChange(obj, keyName); if (hadCachedValue) { cache[keyName] = undefined; } if (!hadCachedValue) { _emberMetalDependent_keys.addDependentKeys(this, obj, keyName, meta); } if (ret === undefined) { cache[keyName] = _emberMetalMeta.UNDEFINED; } else { cache[keyName] = ret; } _emberMetalProperty_events.propertyDidChange(obj, keyName); return ret; }; /* called before property is overridden */ ComputedPropertyPrototype.teardown = function (obj, keyName) { if (this._volatile) { return; } var meta = _emberMetalMeta.meta(obj); var cache = meta.readableCache(); if (cache && cache[keyName] !== undefined) { _emberMetalDependent_keys.removeDependentKeys(this, obj, keyName, meta); cache[keyName] = undefined; } }; /** This helper returns a new property descriptor that wraps the passed computed property function. You can use this helper to define properties with mixins or via `Ember.defineProperty()`. If you pass a function as an argument, it will be used as a getter. A computed property defined in this way might look like this: ```js let Person = Ember.Object.extend({ init() { this._super(...arguments); this.firstName = 'Betty'; this.lastName = 'Jones'; }, fullName: Ember.computed('firstName', 'lastName', function() { return `${this.get('firstName')} ${this.get('lastName')}`; }) }); let client = Person.create(); client.get('fullName'); // 'Betty Jones' client.set('lastName', 'Fuller'); client.get('fullName'); // 'Betty Fuller' ``` You can pass a hash with two functions, `get` and `set`, as an argument to provide both a getter and setter: ```js let Person = Ember.Object.extend({ init() { this._super(...arguments); this.firstName = 'Betty'; this.lastName = 'Jones'; }, fullName: Ember.computed('firstName', 'lastName', { get(key) { return `${this.get('firstName')} ${this.get('lastName')}`; }, set(key, value) { let [firstName, lastName] = value.split(/\s+/); this.setProperties({ firstName, lastName }); return value; } }); }) let client = Person.create(); client.get('firstName'); // 'Betty' client.set('fullName', 'Carroll Fuller'); client.get('firstName'); // 'Carroll' ``` The `set` function should accept two parameters, `key` and `value`. The value returned from `set` will be the new value of the property. _Note: This is the preferred way to define computed properties when writing third-party libraries that depend on or use Ember, since there is no guarantee that the user will have [prototype Extensions](http://emberjs.com/guides/configuring-ember/disabling-prototype-extensions/) enabled._ The alternative syntax, with prototype extensions, might look like: ```js fullName: function() { return this.get('firstName') + ' ' + this.get('lastName'); }.property('firstName', 'lastName') ``` @class computed @namespace Ember @constructor @static @param {String} [dependentKeys*] Optional dependent keys that trigger this computed property. @param {Function} func The computed property function. @return {Ember.ComputedProperty} property descriptor instance @public */ function computed(func) { var args = undefined; if (arguments.length > 1) { args = [].slice.call(arguments); func = args.pop(); } var cp = new ComputedProperty(func); if (args) { cp.property.apply(cp, args); } return cp; } /** Returns the cached value for a property, if one exists. This can be useful for peeking at the value of a computed property that is generated lazily, without accidentally causing it to be created. @method cacheFor @for Ember @param {Object} obj the object whose property you want to check @param {String} key the name of the property whose cached value you want to return @return {Object} the cached value @public */ function cacheFor(obj, key) { var meta = _emberMetalMeta.peekMeta(obj); var cache = meta && meta.source === obj && meta.readableCache(); var ret = cache && cache[key]; if (ret === _emberMetalMeta.UNDEFINED) { return undefined; } return ret; } cacheFor.set = function (cache, key, value) { if (value === undefined) { cache[key] = _emberMetalMeta.UNDEFINED; } else { cache[key] = value; } }; cacheFor.get = function (cache, key) { var ret = cache[key]; if (ret === _emberMetalMeta.UNDEFINED) { return undefined; } return ret; }; cacheFor.remove = function (cache, key) { cache[key] = undefined; }; exports.ComputedProperty = ComputedProperty; exports.computed = computed; exports.cacheFor = cacheFor; }); enifed('ember-metal/core', ['exports', 'ember-environment'], function (exports, _emberEnvironment) { 'use strict'; /** @module ember @submodule ember-metal */ /** This namespace contains all Ember methods and functions. Future versions of Ember may overwrite this namespace and therefore, you should avoid adding any new properties. At the heart of Ember is Ember-Runtime, a set of core functions that provide cross-platform compatibility and object property observing. Ember-Runtime is small and performance-focused so you can use it alongside other cross-platform libraries such as jQuery. For more details, see [Ember-Runtime](http://emberjs.com/api/modules/ember-runtime.html). @class Ember @static @public */ var Ember = typeof _emberEnvironment.context.imports.Ember === 'object' && _emberEnvironment.context.imports.Ember || {}; // Make sure these are set whether Ember was already defined or not Ember.isNamespace = true; Ember.toString = function () { return 'Ember'; }; // .......................................................... // BOOTSTRAP // exports.default = Ember; }); enifed("ember-metal/debug", ["exports"], function (exports) { "use strict"; exports.getDebugFunction = getDebugFunction; exports.setDebugFunction = setDebugFunction; exports.assert = assert; exports.info = info; exports.warn = warn; exports.debug = debug; exports.deprecate = deprecate; exports.deprecateFunc = deprecateFunc; exports.runInDebug = runInDebug; exports.debugSeal = debugSeal; exports.debugFreeze = debugFreeze; var debugFunctions = { assert: function () {}, info: function () {}, warn: function () {}, debug: function () {}, deprecate: function () {}, deprecateFunc: function () { for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } return args[args.length - 1]; }, runInDebug: function () {}, debugSeal: function () {}, debugFreeze: function () {} }; exports.debugFunctions = debugFunctions; function getDebugFunction(name) { return debugFunctions[name]; } function setDebugFunction(name, fn) { debugFunctions[name] = fn; } function assert() { return debugFunctions.assert.apply(undefined, arguments); } function info() { return debugFunctions.info.apply(undefined, arguments); } function warn() { return debugFunctions.warn.apply(undefined, arguments); } function debug() { return debugFunctions.debug.apply(undefined, arguments); } function deprecate() { return debugFunctions.deprecate.apply(undefined, arguments); } function deprecateFunc() { return debugFunctions.deprecateFunc.apply(undefined, arguments); } function runInDebug() { return debugFunctions.runInDebug.apply(undefined, arguments); } function debugSeal() { return debugFunctions.debugSeal.apply(undefined, arguments); } function debugFreeze() { return debugFunctions.debugFreeze.apply(undefined, arguments); } }); enifed('ember-metal/dependent_keys', ['exports', 'ember-metal/watching'], function (exports, _emberMetalWatching) { 'no use strict'; // Remove "use strict"; from transpiled module until // https://bugs.webkit.org/show_bug.cgi?id=138038 is fixed exports.addDependentKeys = addDependentKeys; exports.removeDependentKeys = removeDependentKeys; /** @module ember @submodule ember-metal */ // .......................................................... // DEPENDENT KEYS // function addDependentKeys(desc, obj, keyName, meta) { // the descriptor has a list of dependent keys, so // add all of its dependent keys. var idx = undefined, depKey = undefined; var depKeys = desc._dependentKeys; if (!depKeys) { return; } for (idx = 0; idx < depKeys.length; idx++) { depKey = depKeys[idx]; // Increment the number of times depKey depends on keyName. meta.writeDeps(depKey, keyName, (meta.peekDeps(depKey, keyName) || 0) + 1); // Watch the depKey _emberMetalWatching.watch(obj, depKey, meta); } } function removeDependentKeys(desc, obj, keyName, meta) { // the descriptor has a list of dependent keys, so // remove all of its dependent keys. var depKeys = desc._dependentKeys; if (!depKeys) { return; } for (var idx = 0; idx < depKeys.length; idx++) { var depKey = depKeys[idx]; // Decrement the number of times depKey depends on keyName. meta.writeDeps(depKey, keyName, (meta.peekDeps(depKey, keyName) || 0) - 1); // Unwatch the depKey _emberMetalWatching.unwatch(obj, depKey, meta); } } }); enifed('ember-metal/deprecate_property', ['exports', 'ember-metal/debug', 'ember-metal/property_get', 'ember-metal/property_set'], function (exports, _emberMetalDebug, _emberMetalProperty_get, _emberMetalProperty_set) { /** @module ember @submodule ember-metal */ 'use strict'; exports.deprecateProperty = deprecateProperty; /** Used internally to allow changing properties in a backwards compatible way, and print a helpful deprecation warning. @method deprecateProperty @param {Object} object The object to add the deprecated property to. @param {String} deprecatedKey The property to add (and print deprecation warnings upon accessing). @param {String} newKey The property that will be aliased. @private @since 1.7.0 */ function deprecateProperty(object, deprecatedKey, newKey, options) { function _deprecate() { _emberMetalDebug.deprecate('Usage of `' + deprecatedKey + '` is deprecated, use `' + newKey + '` instead.', false, options); } Object.defineProperty(object, deprecatedKey, { configurable: true, enumerable: false, set: function (value) { _deprecate(); _emberMetalProperty_set.set(this, newKey, value); }, get: function () { _deprecate(); return _emberMetalProperty_get.get(this, newKey); } }); } }); enifed('ember-metal/descriptor', ['exports', 'ember-metal/properties'], function (exports, _emberMetalProperties) { 'use strict'; exports.default = descriptor; function descriptor(desc) { return new Descriptor(desc); } /** A wrapper for a native ES5 descriptor. In an ideal world, we wouldn't need this at all, however, the way we currently flatten/merge our mixins require a special value to denote a descriptor. @class Descriptor @private */ var Descriptor = (function (_EmberDescriptor) { babelHelpers.inherits(Descriptor, _EmberDescriptor); function Descriptor(desc) { babelHelpers.classCallCheck(this, Descriptor); _EmberDescriptor.call(this); this.desc = desc; } Descriptor.prototype.setup = function setup(obj, key) { Object.defineProperty(obj, key, this.desc); }; Descriptor.prototype.teardown = function teardown(obj, key) {}; return Descriptor; })(_emberMetalProperties.Descriptor); }); enifed("ember-metal/error", ["exports"], function (exports) { /** A subclass of the JavaScript Error object for use in Ember. @class Error @namespace Ember @extends Error @constructor @public */ "use strict"; exports.default = EmberError; function EmberError(message) { if (!(this instanceof EmberError)) { return new EmberError(message); } var error = Error.call(this, message); if (Error.captureStackTrace) { Error.captureStackTrace(this, EmberError); } else { this.stack = error.stack; } this.description = error.description; this.fileName = error.fileName; this.lineNumber = error.lineNumber; this.message = error.message; this.name = error.name; this.number = error.number; this.code = error.code; } EmberError.prototype = Object.create(Error.prototype); }); enifed('ember-metal/error_handler', ['exports', 'ember-console', 'ember-metal/testing'], function (exports, _emberConsole, _emberMetalTesting) { 'use strict'; exports.getOnerror = getOnerror; exports.setOnerror = setOnerror; exports.dispatchError = dispatchError; exports.setDispatchOverride = setDispatchOverride; // To maintain stacktrace consistency across browsers var getStack = function (error) { var stack = error.stack; var message = error.message; if (stack && stack.indexOf(message) === -1) { stack = message + '\n' + stack; } return stack; }; var onerror = undefined; // Ember.onerror getter function getOnerror() { return onerror; } // Ember.onerror setter function setOnerror(handler) { onerror = handler; } var dispatchOverride = undefined; // dispatch error function dispatchError(error) { if (dispatchOverride) { dispatchOverride(error); } else { defaultDispatch(error); } } // allows testing adapter to override dispatch function setDispatchOverride(handler) { dispatchOverride = handler; } function defaultDispatch(error) { if (_emberMetalTesting.isTesting()) { throw error; } if (onerror) { onerror(error); } else { _emberConsole.default.error(getStack(error)); } } }); enifed('ember-metal/events', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/meta', 'ember-metal/meta_listeners'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalMeta, _emberMetalMeta_listeners) { 'no use strict'; // Remove "use strict"; from transpiled module until // https://bugs.webkit.org/show_bug.cgi?id=138038 is fixed /** @module ember @submodule ember-metal */ exports.accumulateListeners = accumulateListeners; exports.addListener = addListener; exports.removeListener = removeListener; exports.suspendListener = suspendListener; exports.suspendListeners = suspendListeners; exports.watchedEvents = watchedEvents; exports.sendEvent = sendEvent; exports.hasListeners = hasListeners; exports.listenersFor = listenersFor; exports.on = on; /* The event system uses a series of nested hashes to store listeners on an object. When a listener is registered, or when an event arrives, these hashes are consulted to determine which target and action pair to invoke. The hashes are stored in the object's meta hash, and look like this: // Object's meta hash { listeners: { // variable name: `listenerSet` "foo:changed": [ // variable name: `actions` target, method, flags ] } } */ function indexOf(array, target, method) { var index = -1; // hashes are added to the end of the event array // so it makes sense to start searching at the end // of the array and search in reverse for (var i = array.length - 3; i >= 0; i -= 3) { if (target === array[i] && method === array[i + 1]) { index = i; break; } } return index; } function accumulateListeners(obj, eventName, otherActions) { var meta = _emberMetalMeta.peekMeta(obj); if (!meta) { return; } var actions = meta.matchingListeners(eventName); var newActions = []; for (var i = actions.length - 3; i >= 0; i -= 3) { var target = actions[i]; var method = actions[i + 1]; var flags = actions[i + 2]; var actionIndex = indexOf(otherActions, target, method); if (actionIndex === -1) { otherActions.push(target, method, flags); newActions.push(target, method, flags); } } return newActions; } /** Add an event listener @method addListener @for Ember @param obj @param {String} eventName @param {Object|Function} target A target object or a function @param {Function|String} method A function or the name of a function to be called on `target` @param {Boolean} once A flag whether a function should only be called once @public */ function addListener(obj, eventName, target, method, once) { _emberMetalDebug.assert('You must pass at least an object and event name to Ember.addListener', !!obj && !!eventName); _emberMetalDebug.deprecate('didInitAttrs called in ' + (obj && obj.toString && obj.toString()) + '.', eventName !== 'didInitAttrs', { id: 'ember-views.did-init-attrs', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x#toc_ember-component-didinitattrs' }); if (!method && 'function' === typeof target) { method = target; target = null; } var flags = 0; if (once) { flags |= _emberMetalMeta_listeners.ONCE; } _emberMetalMeta.meta(obj).addToListeners(eventName, target, method, flags); if ('function' === typeof obj.didAddListener) { obj.didAddListener(eventName, target, method); } } /** Remove an event listener Arguments should match those passed to `Ember.addListener`. @method removeListener @for Ember @param obj @param {String} eventName @param {Object|Function} target A target object or a function @param {Function|String} method A function or the name of a function to be called on `target` @public */ function removeListener(obj, eventName, target, method) { _emberMetalDebug.assert('You must pass at least an object and event name to Ember.removeListener', !!obj && !!eventName); if (!method && 'function' === typeof target) { method = target; target = null; } _emberMetalMeta.meta(obj).removeFromListeners(eventName, target, method, function () { if ('function' === typeof obj.didRemoveListener) { obj.didRemoveListener.apply(obj, arguments); } }); } /** Suspend listener during callback. This should only be used by the target of the event listener when it is taking an action that would cause the event, e.g. an object might suspend its property change listener while it is setting that property. @method suspendListener @for Ember @private @param obj @param {String} eventName @param {Object|Function} target A target object or a function @param {Function|String} method A function or the name of a function to be called on `target` @param {Function} callback */ function suspendListener(obj, eventName, target, method, callback) { return suspendListeners(obj, [eventName], target, method, callback); } /** Suspends multiple listeners during a callback. @method suspendListeners @for Ember @private @param obj @param {Array} eventNames Array of event names @param {Object|Function} target A target object or a function @param {Function|String} method A function or the name of a function to be called on `target` @param {Function} callback */ function suspendListeners(obj, eventNames, target, method, callback) { if (!method && 'function' === typeof target) { method = target; target = null; } return _emberMetalMeta.meta(obj).suspendListeners(eventNames, target, method, callback); } /** Return a list of currently watched events @private @method watchedEvents @for Ember @param obj */ function watchedEvents(obj) { return _emberMetalMeta.meta(obj).watchedEvents(); } /** Send an event. The execution of suspended listeners is skipped, and once listeners are removed. A listener without a target is executed on the passed object. If an array of actions is not passed, the actions stored on the passed object are invoked. @method sendEvent @for Ember @param obj @param {String} eventName @param {Array} params Optional parameters for each listener. @param {Array} actions Optional array of actions (listeners). @return true @public */ function sendEvent(obj, eventName, params, actions) { if (!actions) { var meta = _emberMetalMeta.peekMeta(obj); actions = meta && meta.matchingListeners(eventName); } if (!actions || actions.length === 0) { return; } for (var i = actions.length - 3; i >= 0; i -= 3) { // looping in reverse for once listeners var target = actions[i]; var method = actions[i + 1]; var flags = actions[i + 2]; if (!method) { continue; } if (flags & _emberMetalMeta_listeners.SUSPENDED) { continue; } if (flags & _emberMetalMeta_listeners.ONCE) { removeListener(obj, eventName, target, method); } if (!target) { target = obj; } if ('string' === typeof method) { if (params) { _emberUtils.applyStr(target, method, params); } else { target[method](); } } else { if (params) { method.apply(target, params); } else { method.call(target); } } } return true; } /** @private @method hasListeners @for Ember @param obj @param {String} eventName */ function hasListeners(obj, eventName) { var meta = _emberMetalMeta.peekMeta(obj); if (!meta) { return false; } return meta.matchingListeners(eventName).length > 0; } /** @private @method listenersFor @for Ember @param obj @param {String} eventName */ function listenersFor(obj, eventName) { var ret = []; var meta = _emberMetalMeta.peekMeta(obj); var actions = meta && meta.matchingListeners(eventName); if (!actions) { return ret; } for (var i = 0; i < actions.length; i += 3) { var target = actions[i]; var method = actions[i + 1]; ret.push([target, method]); } return ret; } /** Define a property as a function that should be executed when a specified event or events are triggered. ``` javascript let Job = Ember.Object.extend({ logCompleted: Ember.on('completed', function() { console.log('Job completed!'); }) }); let job = Job.create(); Ember.sendEvent(job, 'completed'); // Logs 'Job completed!' ``` @method on @for Ember @param {String} eventNames* @param {Function} func @return func @public */ function on() { for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } var func = args.pop(); var events = args; func.__ember_listens__ = events; return func; } }); enifed('ember-metal/expand_properties', ['exports', 'ember-metal/debug'], function (exports, _emberMetalDebug) { 'use strict'; exports.default = expandProperties; /** @module ember @submodule ember-metal */ var SPLIT_REGEX = /\{|\}/; var END_WITH_EACH_REGEX = /\.@each$/; /** Expands `pattern`, invoking `callback` for each expansion. The only pattern supported is brace-expansion, anything else will be passed once to `callback` directly. Example ```js function echo(arg){ console.log(arg); } Ember.expandProperties('foo.bar', echo); //=> 'foo.bar' Ember.expandProperties('{foo,bar}', echo); //=> 'foo', 'bar' Ember.expandProperties('foo.{bar,baz}', echo); //=> 'foo.bar', 'foo.baz' Ember.expandProperties('{foo,bar}.baz', echo); //=> 'foo.baz', 'bar.baz' Ember.expandProperties('foo.{bar,baz}.[]', echo) //=> 'foo.bar.[]', 'foo.baz.[]' Ember.expandProperties('{foo,bar}.{spam,eggs}', echo) //=> 'foo.spam', 'foo.eggs', 'bar.spam', 'bar.eggs' Ember.expandProperties('{foo}.bar.{baz}') //=> 'foo.bar.baz' ``` @method expandProperties @for Ember @private @param {String} pattern The property pattern to expand. @param {Function} callback The callback to invoke. It is invoked once per expansion, and is passed the expansion. */ function expandProperties(pattern, callback) { _emberMetalDebug.assert('A computed property key must be a string', typeof pattern === 'string'); _emberMetalDebug.assert('Brace expanded properties cannot contain spaces, e.g. "user.{firstName, lastName}" should be "user.{firstName,lastName}"', pattern.indexOf(' ') === -1); var parts = pattern.split(SPLIT_REGEX); var properties = [parts]; for (var i = 0; i < parts.length; i++) { var part = parts[i]; if (part.indexOf(',') >= 0) { properties = duplicateAndReplace(properties, part.split(','), i); } } for (var i = 0; i < properties.length; i++) { callback(properties[i].join('').replace(END_WITH_EACH_REGEX, '.[]')); } } function duplicateAndReplace(properties, currentParts, index) { var all = []; properties.forEach(function (property) { currentParts.forEach(function (part) { var current = property.slice(0); current[index] = part; all.push(current); }); }); return all; } }); enifed('ember-metal/features', ['exports', 'ember-utils', 'ember-environment', 'ember/features'], function (exports, _emberUtils, _emberEnvironment, _emberFeatures) { 'use strict'; exports.default = isEnabled; /** The hash of enabled Canary features. Add to this, any canary features before creating your application. Alternatively (and recommended), you can also define `EmberENV.FEATURES` if you need to enable features flagged at runtime. @class FEATURES @namespace Ember @static @since 1.1.0 @public */ var FEATURES = _emberUtils.assign(_emberFeatures.default, _emberEnvironment.ENV.FEATURES); exports.FEATURES = FEATURES; /** Determine whether the specified `feature` is enabled. Used by Ember's build tools to exclude experimental features from beta/stable builds. You can define the following configuration options: * `EmberENV.ENABLE_OPTIONAL_FEATURES` - enable any features that have not been explicitly enabled/disabled. @method isEnabled @param {String} feature The feature to check @return {Boolean} @for Ember.FEATURES @since 1.1.0 @public */ function isEnabled(feature) { var featureValue = FEATURES[feature]; if (featureValue === true || featureValue === false || featureValue === undefined) { return featureValue; } else if (_emberEnvironment.ENV.ENABLE_OPTIONAL_FEATURES) { return true; } else { return false; } } exports.DEFAULT_FEATURES = _emberFeatures.default; }); enifed('ember-metal/get_properties', ['exports', 'ember-metal/property_get'], function (exports, _emberMetalProperty_get) { 'use strict'; exports.default = getProperties; /** To get multiple properties at once, call `Ember.getProperties` with an object followed by a list of strings or an array: ```javascript Ember.getProperties(record, 'firstName', 'lastName', 'zipCode'); // { firstName: 'John', lastName: 'Doe', zipCode: '10011' } ``` is equivalent to: ```javascript Ember.getProperties(record, ['firstName', 'lastName', 'zipCode']); // { firstName: 'John', lastName: 'Doe', zipCode: '10011' } ``` @method getProperties @for Ember @param {Object} obj @param {String...|Array} list of keys to get @return {Object} @public */ function getProperties(obj) { var ret = {}; var propertyNames = arguments; var i = 1; if (arguments.length === 2 && Array.isArray(arguments[1])) { i = 0; propertyNames = arguments[1]; } for (; i < propertyNames.length; i++) { ret[propertyNames[i]] = _emberMetalProperty_get.get(obj, propertyNames[i]); } return ret; } }); enifed('ember-metal/index', ['exports', 'require', 'ember-metal/core', 'ember-metal/computed', 'ember-metal/alias', 'ember-metal/merge', 'ember-metal/debug', 'ember-metal/instrumentation', 'ember-metal/testing', 'ember-metal/error_handler', 'ember-metal/meta', 'ember-metal/error', 'ember-metal/cache', 'ember-metal/features', 'ember-metal/property_get', 'ember-metal/property_set', 'ember-metal/weak_map', 'ember-metal/events', 'ember-metal/is_none', 'ember-metal/is_empty', 'ember-metal/is_blank', 'ember-metal/is_present', 'ember-metal/run_loop', 'ember-metal/observer_set', 'ember-metal/property_events', 'ember-metal/properties', 'ember-metal/watch_key', 'ember-metal/chains', 'ember-metal/watch_path', 'ember-metal/watching', 'ember-metal/libraries', 'ember-metal/map', 'ember-metal/get_properties', 'ember-metal/set_properties', 'ember-metal/expand_properties', 'ember-metal/observer', 'ember-metal/mixin', 'ember-metal/binding', 'ember-metal/path_cache', 'ember-metal/injected_property', 'ember-metal/tags', 'ember-metal/replace', 'ember-metal/transaction', 'ember-metal/is_proxy', 'ember-metal/descriptor'], function (exports, _require, _emberMetalCore, _emberMetalComputed, _emberMetalAlias, _emberMetalMerge, _emberMetalDebug, _emberMetalInstrumentation, _emberMetalTesting, _emberMetalError_handler, _emberMetalMeta, _emberMetalError, _emberMetalCache, _emberMetalFeatures, _emberMetalProperty_get, _emberMetalProperty_set, _emberMetalWeak_map, _emberMetalEvents, _emberMetalIs_none, _emberMetalIs_empty, _emberMetalIs_blank, _emberMetalIs_present, _emberMetalRun_loop, _emberMetalObserver_set, _emberMetalProperty_events, _emberMetalProperties, _emberMetalWatch_key, _emberMetalChains, _emberMetalWatch_path, _emberMetalWatching, _emberMetalLibraries, _emberMetalMap, _emberMetalGet_properties, _emberMetalSet_properties, _emberMetalExpand_properties, _emberMetalObserver, _emberMetalMixin, _emberMetalBinding, _emberMetalPath_cache, _emberMetalInjected_property, _emberMetalTags, _emberMetalReplace, _emberMetalTransaction, _emberMetalIs_proxy, _emberMetalDescriptor) { /** @module ember @submodule ember-metal */ 'use strict'; exports.default = _emberMetalCore.default; // reexports exports.computed = _emberMetalComputed.default; exports.cacheFor = _emberMetalComputed.cacheFor; exports.ComputedProperty = _emberMetalComputed.ComputedProperty; exports.alias = _emberMetalAlias.default; exports.merge = _emberMetalMerge.default; exports.assert = _emberMetalDebug.assert; exports.info = _emberMetalDebug.info; exports.warn = _emberMetalDebug.warn; exports.debug = _emberMetalDebug.debug; exports.deprecate = _emberMetalDebug.deprecate; exports.deprecateFunc = _emberMetalDebug.deprecateFunc; exports.runInDebug = _emberMetalDebug.runInDebug; exports.setDebugFunction = _emberMetalDebug.setDebugFunction; exports.getDebugFunction = _emberMetalDebug.getDebugFunction; exports.debugSeal = _emberMetalDebug.debugSeal; exports.debugFreeze = _emberMetalDebug.debugFreeze; exports.instrument = _emberMetalInstrumentation.instrument; exports.flaggedInstrument = _emberMetalInstrumentation.flaggedInstrument; exports._instrumentStart = _emberMetalInstrumentation._instrumentStart; exports.instrumentationReset = _emberMetalInstrumentation.reset; exports.instrumentationSubscribe = _emberMetalInstrumentation.subscribe; exports.instrumentationUnsubscribe = _emberMetalInstrumentation.unsubscribe; exports.isTesting = _emberMetalTesting.isTesting; exports.setTesting = _emberMetalTesting.setTesting; exports.getOnerror = _emberMetalError_handler.getOnerror; exports.setOnerror = _emberMetalError_handler.setOnerror; exports.dispatchError = _emberMetalError_handler.dispatchError; exports.setDispatchOverride = _emberMetalError_handler.setDispatchOverride; exports.META_DESC = _emberMetalMeta.META_DESC; exports.meta = _emberMetalMeta.meta; exports.peekMeta = _emberMetalMeta.peekMeta; exports.Error = _emberMetalError.default; exports.Cache = _emberMetalCache.default; exports.isFeatureEnabled = _emberMetalFeatures.default; exports.FEATURES = _emberMetalFeatures.FEATURES; exports.DEFAULT_FEATURES = _emberMetalFeatures.DEFAULT_FEATURES; exports._getPath = _emberMetalProperty_get._getPath; exports.get = _emberMetalProperty_get.get; exports.getWithDefault = _emberMetalProperty_get.getWithDefault; exports.set = _emberMetalProperty_set.set; exports.trySet = _emberMetalProperty_set.trySet; exports.WeakMap = _emberMetalWeak_map.default; exports.accumulateListeners = _emberMetalEvents.accumulateListeners; exports.addListener = _emberMetalEvents.addListener; exports.hasListeners = _emberMetalEvents.hasListeners; exports.listenersFor = _emberMetalEvents.listenersFor; exports.on = _emberMetalEvents.on; exports.removeListener = _emberMetalEvents.removeListener; exports.sendEvent = _emberMetalEvents.sendEvent; exports.suspendListener = _emberMetalEvents.suspendListener; exports.suspendListeners = _emberMetalEvents.suspendListeners; exports.watchedEvents = _emberMetalEvents.watchedEvents; exports.isNone = _emberMetalIs_none.default; exports.isEmpty = _emberMetalIs_empty.default; exports.isBlank = _emberMetalIs_blank.default; exports.isPresent = _emberMetalIs_present.default; exports.run = _emberMetalRun_loop.default; exports.ObserverSet = _emberMetalObserver_set.default; exports.beginPropertyChanges = _emberMetalProperty_events.beginPropertyChanges; exports.changeProperties = _emberMetalProperty_events.changeProperties; exports.endPropertyChanges = _emberMetalProperty_events.endPropertyChanges; exports.overrideChains = _emberMetalProperty_events.overrideChains; exports.propertyDidChange = _emberMetalProperty_events.propertyDidChange; exports.propertyWillChange = _emberMetalProperty_events.propertyWillChange; exports.PROPERTY_DID_CHANGE = _emberMetalProperty_events.PROPERTY_DID_CHANGE; exports.defineProperty = _emberMetalProperties.defineProperty; exports.Descriptor = _emberMetalProperties.Descriptor; exports.watchKey = _emberMetalWatch_key.watchKey; exports.unwatchKey = _emberMetalWatch_key.unwatchKey; exports.ChainNode = _emberMetalChains.ChainNode; exports.finishChains = _emberMetalChains.finishChains; exports.removeChainWatcher = _emberMetalChains.removeChainWatcher; exports.watchPath = _emberMetalWatch_path.watchPath; exports.unwatchPath = _emberMetalWatch_path.unwatchPath; exports.destroy = _emberMetalWatching.destroy; exports.isWatching = _emberMetalWatching.isWatching; exports.unwatch = _emberMetalWatching.unwatch; exports.watch = _emberMetalWatching.watch; exports.watcherCount = _emberMetalWatching.watcherCount; exports.libraries = _emberMetalLibraries.default; exports.Map = _emberMetalMap.Map; exports.MapWithDefault = _emberMetalMap.MapWithDefault; exports.OrderedSet = _emberMetalMap.OrderedSet; exports.getProperties = _emberMetalGet_properties.default; exports.setProperties = _emberMetalSet_properties.default; exports.expandProperties = _emberMetalExpand_properties.default; exports._suspendObserver = _emberMetalObserver._suspendObserver; exports._suspendObservers = _emberMetalObserver._suspendObservers; exports.addObserver = _emberMetalObserver.addObserver; exports.observersFor = _emberMetalObserver.observersFor; exports.removeObserver = _emberMetalObserver.removeObserver; exports._addBeforeObserver = _emberMetalObserver._addBeforeObserver; exports._removeBeforeObserver = _emberMetalObserver._removeBeforeObserver; exports.NAME_KEY = _emberMetalMixin.NAME_KEY; exports.Mixin = _emberMetalMixin.Mixin; exports.aliasMethod = _emberMetalMixin.aliasMethod; exports._immediateObserver = _emberMetalMixin._immediateObserver; exports._beforeObserver = _emberMetalMixin._beforeObserver; exports.mixin = _emberMetalMixin.mixin; exports.observer = _emberMetalMixin.observer; exports.required = _emberMetalMixin.required; exports.REQUIRED = _emberMetalMixin.REQUIRED; exports.hasUnprocessedMixins = _emberMetalMixin.hasUnprocessedMixins; exports.clearUnprocessedMixins = _emberMetalMixin.clearUnprocessedMixins; exports.detectBinding = _emberMetalMixin.detectBinding; exports.Binding = _emberMetalBinding.Binding; exports.bind = _emberMetalBinding.bind; exports.isGlobalPath = _emberMetalPath_cache.isGlobalPath; exports.InjectedProperty = _emberMetalInjected_property.default; exports.setHasViews = _emberMetalTags.setHasViews; exports.tagForProperty = _emberMetalTags.tagForProperty; exports.tagFor = _emberMetalTags.tagFor; exports.markObjectAsDirty = _emberMetalTags.markObjectAsDirty; exports.replace = _emberMetalReplace.default; exports.runInTransaction = _emberMetalTransaction.default; exports.didRender = _emberMetalTransaction.didRender; exports.assertNotRendered = _emberMetalTransaction.assertNotRendered; exports.isProxy = _emberMetalIs_proxy.isProxy; exports.descriptor = _emberMetalDescriptor.default; // TODO: this needs to be deleted once we refactor the build tooling // do this for side-effects of updating Ember.assert, warn, etc when // ember-debug is present // This needs to be called before any deprecateFunc if (_require.has('ember-debug')) { _require.default('ember-debug'); } }); enifed('ember-metal/injected_property', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/computed', 'ember-metal/alias', 'ember-metal/properties'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalComputed, _emberMetalAlias, _emberMetalProperties) { 'use strict'; exports.default = InjectedProperty; /** Read-only property that returns the result of a container lookup. @class InjectedProperty @namespace Ember @constructor @param {String} type The container type the property will lookup @param {String} name (optional) The name the property will lookup, defaults to the property's name @private */ function InjectedProperty(type, name) { this.type = type; this.name = name; this._super$Constructor(injectedPropertyGet); AliasedPropertyPrototype.oneWay.call(this); } function injectedPropertyGet(keyName) { var desc = this[keyName]; var owner = _emberUtils.getOwner(this) || this.container; // fallback to `container` for backwards compat _emberMetalDebug.assert('InjectedProperties should be defined with the Ember.inject computed property macros.', desc && desc.isDescriptor && desc.type); _emberMetalDebug.assert('Attempting to lookup an injected property on an object without a container, ensure that the object was instantiated via a container.', owner); return owner.lookup(desc.type + ':' + (desc.name || keyName)); } InjectedProperty.prototype = Object.create(_emberMetalProperties.Descriptor.prototype); var InjectedPropertyPrototype = InjectedProperty.prototype; var ComputedPropertyPrototype = _emberMetalComputed.ComputedProperty.prototype; var AliasedPropertyPrototype = _emberMetalAlias.AliasedProperty.prototype; InjectedPropertyPrototype._super$Constructor = _emberMetalComputed.ComputedProperty; InjectedPropertyPrototype.get = ComputedPropertyPrototype.get; InjectedPropertyPrototype.readOnly = ComputedPropertyPrototype.readOnly; InjectedPropertyPrototype.teardown = ComputedPropertyPrototype.teardown; }); enifed('ember-metal/instrumentation', ['exports', 'ember-environment', 'ember-metal/features'], function (exports, _emberEnvironment, _emberMetalFeatures) { 'use strict'; exports.instrument = instrument; exports._instrumentStart = _instrumentStart; exports.subscribe = subscribe; exports.unsubscribe = unsubscribe; exports.reset = reset; /** The purpose of the Ember Instrumentation module is to provide efficient, general-purpose instrumentation for Ember. Subscribe to a listener by using `Ember.subscribe`: ```javascript Ember.subscribe("render", { before(name, timestamp, payload) { }, after(name, timestamp, payload) { } }); ``` If you return a value from the `before` callback, that same value will be passed as a fourth parameter to the `after` callback. Instrument a block of code by using `Ember.instrument`: ```javascript Ember.instrument("render.handlebars", payload, function() { // rendering logic }, binding); ``` Event names passed to `Ember.instrument` are namespaced by periods, from more general to more specific. Subscribers can listen for events by whatever level of granularity they are interested in. In the above example, the event is `render.handlebars`, and the subscriber listened for all events beginning with `render`. It would receive callbacks for events named `render`, `render.handlebars`, `render.container`, or even `render.handlebars.layout`. @class Instrumentation @namespace Ember @static @private */ var subscribers = []; exports.subscribers = subscribers; var cache = {}; function populateListeners(name) { var listeners = []; var subscriber = undefined; for (var i = 0; i < subscribers.length; i++) { subscriber = subscribers[i]; if (subscriber.regex.test(name)) { listeners.push(subscriber.object); } } cache[name] = listeners; return listeners; } var time = (function () { var perf = 'undefined' !== typeof window ? window.performance || {} : {}; var fn = perf.now || perf.mozNow || perf.webkitNow || perf.msNow || perf.oNow; // fn.bind will be available in all the browsers that support the advanced window.performance... ;-) return fn ? fn.bind(perf) : function () { return +new Date(); }; })(); /** Notifies event's subscribers, calls `before` and `after` hooks. @method instrument @namespace Ember.Instrumentation @param {String} [name] Namespaced event name. @param {Object} _payload @param {Function} callback Function that you're instrumenting. @param {Object} binding Context that instrument function is called with. @private */ function instrument(name, _payload, callback, binding) { if (arguments.length <= 3 && typeof _payload === 'function') { binding = callback; callback = _payload; _payload = undefined; } if (subscribers.length === 0) { return callback.call(binding); } var payload = _payload || {}; var finalizer = _instrumentStart(name, function () { return payload; }); if (finalizer) { return withFinalizer(callback, finalizer, payload, binding); } else { return callback.call(binding); } } var flaggedInstrument = undefined; if (false) { exports.flaggedInstrument = flaggedInstrument = instrument; } else { exports.flaggedInstrument = flaggedInstrument = function (name, payload, callback) { return callback(); }; } exports.flaggedInstrument = flaggedInstrument; function withFinalizer(callback, finalizer, payload, binding) { var result = undefined; try { result = callback.call(binding); } catch (e) { payload.exception = e; result = payload; } finally { finalizer(); return result; } } function NOOP() {} // private for now function _instrumentStart(name, _payload, _payloadParam) { if (subscribers.length === 0) { return NOOP; } var listeners = cache[name]; if (!listeners) { listeners = populateListeners(name); } if (listeners.length === 0) { return NOOP; } var payload = _payload(_payloadParam); var STRUCTURED_PROFILE = _emberEnvironment.ENV.STRUCTURED_PROFILE; var timeName = undefined; if (STRUCTURED_PROFILE) { timeName = name + ': ' + payload.object; console.time(timeName); } var beforeValues = new Array(listeners.length); var i = undefined, listener = undefined; var timestamp = time(); for (i = 0; i < listeners.length; i++) { listener = listeners[i]; beforeValues[i] = listener.before(name, timestamp, payload); } return function _instrumentEnd() { var i = undefined, listener = undefined; var timestamp = time(); for (i = 0; i < listeners.length; i++) { listener = listeners[i]; if (typeof listener.after === 'function') { listener.after(name, timestamp, payload, beforeValues[i]); } } if (STRUCTURED_PROFILE) { console.timeEnd(timeName); } }; } /** Subscribes to a particular event or instrumented block of code. @method subscribe @namespace Ember.Instrumentation @param {String} [pattern] Namespaced event name. @param {Object} [object] Before and After hooks. @return {Subscriber} @private */ function subscribe(pattern, object) { var paths = pattern.split('.'); var path = undefined; var regex = []; for (var i = 0; i < paths.length; i++) { path = paths[i]; if (path === '*') { regex.push('[^\\.]*'); } else { regex.push(path); } } regex = regex.join('\\.'); regex = regex + '(\\..*)?'; var subscriber = { pattern: pattern, regex: new RegExp('^' + regex + '$'), object: object }; subscribers.push(subscriber); cache = {}; return subscriber; } /** Unsubscribes from a particular event or instrumented block of code. @method unsubscribe @namespace Ember.Instrumentation @param {Object} [subscriber] @private */ function unsubscribe(subscriber) { var index = undefined; for (var i = 0; i < subscribers.length; i++) { if (subscribers[i] === subscriber) { index = i; } } subscribers.splice(index, 1); cache = {}; } /** Resets `Ember.Instrumentation` by flushing list of subscribers. @method reset @namespace Ember.Instrumentation @private */ function reset() { subscribers.length = 0; cache = {}; } }); enifed('ember-metal/is_blank', ['exports', 'ember-metal/is_empty'], function (exports, _emberMetalIs_empty) { 'use strict'; exports.default = isBlank; /** A value is blank if it is empty or a whitespace string. ```javascript Ember.isBlank(); // true Ember.isBlank(null); // true Ember.isBlank(undefined); // true Ember.isBlank(''); // true Ember.isBlank([]); // true Ember.isBlank('\n\t'); // true Ember.isBlank(' '); // true Ember.isBlank({}); // false Ember.isBlank('\n\t Hello'); // false Ember.isBlank('Hello world'); // false Ember.isBlank([1,2,3]); // false ``` @method isBlank @for Ember @param {Object} obj Value to test @return {Boolean} @since 1.5.0 @public */ function isBlank(obj) { return _emberMetalIs_empty.default(obj) || typeof obj === 'string' && obj.match(/\S/) === null; } }); enifed('ember-metal/is_empty', ['exports', 'ember-metal/property_get', 'ember-metal/is_none'], function (exports, _emberMetalProperty_get, _emberMetalIs_none) { 'use strict'; exports.default = isEmpty; /** Verifies that a value is `null` or an empty string, empty array, or empty function. Constrains the rules on `Ember.isNone` by returning true for empty string and empty arrays. ```javascript Ember.isEmpty(); // true Ember.isEmpty(null); // true Ember.isEmpty(undefined); // true Ember.isEmpty(''); // true Ember.isEmpty([]); // true Ember.isEmpty({}); // false Ember.isEmpty('Adam Hawkins'); // false Ember.isEmpty([0,1,2]); // false Ember.isEmpty('\n\t'); // false Ember.isEmpty(' '); // false ``` @method isEmpty @for Ember @param {Object} obj Value to test @return {Boolean} @public */ function isEmpty(obj) { var none = _emberMetalIs_none.default(obj); if (none) { return none; } if (typeof obj.size === 'number') { return !obj.size; } var objectType = typeof obj; if (objectType === 'object') { var size = _emberMetalProperty_get.get(obj, 'size'); if (typeof size === 'number') { return !size; } } if (typeof obj.length === 'number' && objectType !== 'function') { return !obj.length; } if (objectType === 'object') { var _length = _emberMetalProperty_get.get(obj, 'length'); if (typeof _length === 'number') { return !_length; } } return false; } }); enifed("ember-metal/is_none", ["exports"], function (exports) { /** Returns true if the passed value is null or undefined. This avoids errors from JSLint complaining about use of ==, which can be technically confusing. ```javascript Ember.isNone(); // true Ember.isNone(null); // true Ember.isNone(undefined); // true Ember.isNone(''); // false Ember.isNone([]); // false Ember.isNone(function() {}); // false ``` @method isNone @for Ember @param {Object} obj Value to test @return {Boolean} @public */ "use strict"; exports.default = isNone; function isNone(obj) { return obj === null || obj === undefined; } }); enifed('ember-metal/is_present', ['exports', 'ember-metal/is_blank'], function (exports, _emberMetalIs_blank) { 'use strict'; exports.default = isPresent; /** A value is present if it not `isBlank`. ```javascript Ember.isPresent(); // false Ember.isPresent(null); // false Ember.isPresent(undefined); // false Ember.isPresent(''); // false Ember.isPresent(' '); // false Ember.isPresent('\n\t'); // false Ember.isPresent([]); // false Ember.isPresent({ length: 0 }) // false Ember.isPresent(false); // true Ember.isPresent(true); // true Ember.isPresent('string'); // true Ember.isPresent(0); // true Ember.isPresent(function() {}) // true Ember.isPresent({}); // true Ember.isPresent(false); // true Ember.isPresent('\n\t Hello'); // true Ember.isPresent([1,2,3]); // true ``` @method isPresent @for Ember @param {Object} obj Value to test @return {Boolean} @since 1.8.0 @public */ function isPresent(obj) { return !_emberMetalIs_blank.default(obj); } }); enifed('ember-metal/is_proxy', ['exports', 'ember-metal/meta'], function (exports, _emberMetalMeta) { 'use strict'; exports.isProxy = isProxy; function isProxy(value) { if (typeof value === 'object' && value) { var meta = _emberMetalMeta.peekMeta(value); return meta && meta.isProxy(); } return false; } }); enifed('ember-metal/libraries', ['exports', 'ember-metal/debug', 'ember-metal/features'], function (exports, _emberMetalDebug, _emberMetalFeatures) { 'use strict'; exports.Libraries = Libraries; /** Helper class that allows you to register your library with Ember. Singleton created at `Ember.libraries`. @class Libraries @constructor @private */ function Libraries() { this._registry = []; this._coreLibIndex = 0; } Libraries.prototype = { constructor: Libraries, _getLibraryByName: function (name) { var libs = this._registry; var count = libs.length; for (var i = 0; i < count; i++) { if (libs[i].name === name) { return libs[i]; } } }, register: function (name, version, isCoreLibrary) { var index = this._registry.length; if (!this._getLibraryByName(name)) { if (isCoreLibrary) { index = this._coreLibIndex++; } this._registry.splice(index, 0, { name: name, version: version }); } else { _emberMetalDebug.warn('Library "' + name + '" is already registered with Ember.', false, { id: 'ember-metal.libraries-register' }); } }, registerCoreLibrary: function (name, version) { this.register(name, version, true); }, deRegister: function (name) { var lib = this._getLibraryByName(name); var index = undefined; if (lib) { index = this._registry.indexOf(lib); this._registry.splice(index, 1); } } }; if (false) { Libraries.prototype.isRegistered = function (name) { return !!this._getLibraryByName(name); }; } exports.default = new Libraries(); }); enifed('ember-metal/map', ['exports', 'ember-utils'], function (exports, _emberUtils) { /** @module ember @submodule ember-metal */ /* JavaScript (before ES6) does not have a Map implementation. Objects, which are often used as dictionaries, may only have Strings as keys. Because Ember has a way to get a unique identifier for every object via `Ember.guidFor`, we can implement a performant Map with arbitrary keys. Because it is commonly used in low-level bookkeeping, Map is implemented as a pure JavaScript object for performance. This implementation follows the current iteration of the ES6 proposal for maps (http://wiki.ecmascript.org/doku.php?id=harmony:simple_maps_and_sets), with one exception: as we do not have the luxury of in-VM iteration, we implement a forEach method for iteration. Map is mocked out to look like an Ember object, so you can do `Ember.Map.create()` for symmetry with other Ember classes. */ 'use strict'; function missingFunction(fn) { throw new TypeError(Object.prototype.toString.call(fn) + ' is not a function'); } function missingNew(name) { throw new TypeError('Constructor ' + name + ' requires \'new\''); } function copyNull(obj) { var output = new _emberUtils.EmptyObject(); for (var prop in obj) { // hasOwnPropery is not needed because obj is new EmptyObject(); output[prop] = obj[prop]; } return output; } function copyMap(original, newObject) { var keys = original._keys.copy(); var values = copyNull(original._values); newObject._keys = keys; newObject._values = values; newObject.size = original.size; return newObject; } /** This class is used internally by Ember and Ember Data. Please do not use it at this time. We plan to clean it up and add many tests soon. @class OrderedSet @namespace Ember @constructor @private */ function OrderedSet() { if (this instanceof OrderedSet) { this.clear(); this._silenceRemoveDeprecation = false; } else { missingNew('OrderedSet'); } } /** @method create @static @return {Ember.OrderedSet} @private */ OrderedSet.create = function () { var Constructor = this; return new Constructor(); }; OrderedSet.prototype = { constructor: OrderedSet, /** @method clear @private */ clear: function () { this.presenceSet = new _emberUtils.EmptyObject(); this.list = []; this.size = 0; }, /** @method add @param obj @param guid (optional, and for internal use) @return {Ember.OrderedSet} @private */ add: function (obj, _guid) { var guid = _guid || _emberUtils.guidFor(obj); var presenceSet = this.presenceSet; var list = this.list; if (presenceSet[guid] !== true) { presenceSet[guid] = true; this.size = list.push(obj); } return this; }, /** @since 1.8.0 @method delete @param obj @param _guid (optional and for internal use only) @return {Boolean} @private */ delete: function (obj, _guid) { var guid = _guid || _emberUtils.guidFor(obj); var presenceSet = this.presenceSet; var list = this.list; if (presenceSet[guid] === true) { delete presenceSet[guid]; var index = list.indexOf(obj); if (index > -1) { list.splice(index, 1); } this.size = list.length; return true; } else { return false; } }, /** @method isEmpty @return {Boolean} @private */ isEmpty: function () { return this.size === 0; }, /** @method has @param obj @return {Boolean} @private */ has: function (obj) { if (this.size === 0) { return false; } var guid = _emberUtils.guidFor(obj); var presenceSet = this.presenceSet; return presenceSet[guid] === true; }, /** @method forEach @param {Function} fn @param self @private */ forEach: function (fn /*, ...thisArg*/) { if (typeof fn !== 'function') { missingFunction(fn); } if (this.size === 0) { return; } var list = this.list; if (arguments.length === 2) { for (var i = 0; i < list.length; i++) { fn.call(arguments[1], list[i]); } } else { for (var i = 0; i < list.length; i++) { fn(list[i]); } } }, /** @method toArray @return {Array} @private */ toArray: function () { return this.list.slice(); }, /** @method copy @return {Ember.OrderedSet} @private */ copy: function () { var Constructor = this.constructor; var set = new Constructor(); set._silenceRemoveDeprecation = this._silenceRemoveDeprecation; set.presenceSet = copyNull(this.presenceSet); set.list = this.toArray(); set.size = this.size; return set; } }; /** A Map stores values indexed by keys. Unlike JavaScript's default Objects, the keys of a Map can be any JavaScript object. Internally, a Map has two data structures: 1. `keys`: an OrderedSet of all of the existing keys 2. `values`: a JavaScript Object indexed by the `Ember.guidFor(key)` When a key/value pair is added for the first time, we add the key to the `keys` OrderedSet, and create or replace an entry in `values`. When an entry is deleted, we delete its entry in `keys` and `values`. @class Map @namespace Ember @private @constructor */ function Map() { if (this instanceof Map) { this._keys = OrderedSet.create(); this._keys._silenceRemoveDeprecation = true; this._values = new _emberUtils.EmptyObject(); this.size = 0; } else { missingNew('Map'); } } /** @method create @static @private */ Map.create = function () { var Constructor = this; return new Constructor(); }; Map.prototype = { constructor: Map, /** This property will change as the number of objects in the map changes. @since 1.8.0 @property size @type number @default 0 @private */ size: 0, /** Retrieve the value associated with a given key. @method get @param {*} key @return {*} the value associated with the key, or `undefined` @private */ get: function (key) { if (this.size === 0) { return; } var values = this._values; var guid = _emberUtils.guidFor(key); return values[guid]; }, /** Adds a value to the map. If a value for the given key has already been provided, the new value will replace the old value. @method set @param {*} key @param {*} value @return {Ember.Map} @private */ set: function (key, value) { var keys = this._keys; var values = this._values; var guid = _emberUtils.guidFor(key); // ensure we don't store -0 var k = key === -0 ? 0 : key; keys.add(k, guid); values[guid] = value; this.size = keys.size; return this; }, /** Removes a value from the map for an associated key. @since 1.8.0 @method delete @param {*} key @return {Boolean} true if an item was removed, false otherwise @private */ delete: function (key) { if (this.size === 0) { return false; } // don't use ES6 "delete" because it will be annoying // to use in browsers that are not ES6 friendly; var keys = this._keys; var values = this._values; var guid = _emberUtils.guidFor(key); if (keys.delete(key, guid)) { delete values[guid]; this.size = keys.size; return true; } else { return false; } }, /** Check whether a key is present. @method has @param {*} key @return {Boolean} true if the item was present, false otherwise @private */ has: function (key) { return this._keys.has(key); }, /** Iterate over all the keys and values. Calls the function once for each key, passing in value, key, and the map being iterated over, in that order. The keys are guaranteed to be iterated over in insertion order. @method forEach @param {Function} callback @param {*} self if passed, the `this` value inside the callback. By default, `this` is the map. @private */ forEach: function (callback /*, ...thisArg*/) { if (typeof callback !== 'function') { missingFunction(callback); } if (this.size === 0) { return; } var map = this; var cb = undefined, thisArg = undefined; if (arguments.length === 2) { thisArg = arguments[1]; cb = function (key) { return callback.call(thisArg, map.get(key), key, map); }; } else { cb = function (key) { return callback(map.get(key), key, map); }; } this._keys.forEach(cb); }, /** @method clear @private */ clear: function () { this._keys.clear(); this._values = new _emberUtils.EmptyObject(); this.size = 0; }, /** @method copy @return {Ember.Map} @private */ copy: function () { return copyMap(this, new Map()); } }; /** @class MapWithDefault @namespace Ember @extends Ember.Map @private @constructor @param [options] @param {*} [options.defaultValue] */ function MapWithDefault(options) { this._super$constructor(); this.defaultValue = options.defaultValue; } /** @method create @static @param [options] @param {*} [options.defaultValue] @return {Ember.MapWithDefault|Ember.Map} If options are passed, returns `Ember.MapWithDefault` otherwise returns `Ember.Map` @private */ MapWithDefault.create = function (options) { if (options) { return new MapWithDefault(options); } else { return new Map(); } }; MapWithDefault.prototype = Object.create(Map.prototype); MapWithDefault.prototype.constructor = MapWithDefault; MapWithDefault.prototype._super$constructor = Map; MapWithDefault.prototype._super$get = Map.prototype.get; /** Retrieve the value associated with a given key. @method get @param {*} key @return {*} the value associated with the key, or the default value @private */ MapWithDefault.prototype.get = function (key) { var hasValue = this.has(key); if (hasValue) { return this._super$get(key); } else { var defaultValue = this.defaultValue(key); this.set(key, defaultValue); return defaultValue; } }; /** @method copy @return {Ember.MapWithDefault} @private */ MapWithDefault.prototype.copy = function () { var Constructor = this.constructor; return copyMap(this, new Constructor({ defaultValue: this.defaultValue })); }; exports.default = Map; exports.OrderedSet = OrderedSet; exports.Map = Map; exports.MapWithDefault = MapWithDefault; }); enifed('ember-metal/merge', ['exports'], function (exports) { /** Merge the contents of two objects together into the first object. ```javascript Ember.merge({ first: 'Tom' }, { last: 'Dale' }); // { first: 'Tom', last: 'Dale' } var a = { first: 'Yehuda' }; var b = { last: 'Katz' }; Ember.merge(a, b); // a == { first: 'Yehuda', last: 'Katz' }, b == { last: 'Katz' } ``` @method merge @for Ember @param {Object} original The object to merge into @param {Object} updates The object to copy properties from @return {Object} @public */ 'use strict'; exports.default = merge; function merge(original, updates) { if (!updates || typeof updates !== 'object') { return original; } var props = Object.keys(updates); var prop = undefined; for (var i = 0; i < props.length; i++) { prop = props[i]; original[prop] = updates[prop]; } return original; } }); enifed('ember-metal/meta', ['exports', 'ember-utils', 'ember-metal/features', 'ember-metal/meta_listeners', 'ember-metal/debug', 'ember-metal/chains'], function (exports, _emberUtils, _emberMetalFeatures, _emberMetalMeta_listeners, _emberMetalDebug, _emberMetalChains) { 'no use strict'; // Remove "use strict"; from transpiled module until // https://bugs.webkit.org/show_bug.cgi?id=138038 is fixed exports.Meta = Meta; exports.deleteMeta = deleteMeta; exports.meta = meta; var counters = { peekCalls: 0, peekParentCalls: 0, peekPrototypeWalks: 0, setCalls: 0, deleteCalls: 0, metaCalls: 0, metaInstantiated: 0 }; /** @module ember-metal */ /* This declares several meta-programmed members on the Meta class. Such meta! In general, the `readable` variants will give you an object (if it already exists) that you can read but should not modify. The `writable` variants will give you a mutable object, and they will create it if it didn't already exist. The following methods will get generated metaprogrammatically, and I'm including them here for greppability: writableCache, readableCache, writeWatching, peekWatching, clearWatching, writeMixins, peekMixins, clearMixins, writeBindings, peekBindings, clearBindings, writeValues, peekValues, clearValues, writeDeps, forEachInDeps writableChainWatchers, readableChainWatchers, writableChains, readableChains, writableTag, readableTag, writableTags, readableTags */ var members = { cache: ownMap, weak: ownMap, watching: inheritedMap, mixins: inheritedMap, bindings: inheritedMap, values: inheritedMap, chainWatchers: ownCustomObject, chains: inheritedCustomObject, tag: ownCustomObject, tags: ownMap }; // FLAGS var SOURCE_DESTROYING = 1 << 1; var SOURCE_DESTROYED = 1 << 2; var META_DESTROYED = 1 << 3; var IS_PROXY = 1 << 4; if (true || false) { members.lastRendered = ownMap; members.lastRenderedFrom = ownMap; // FIXME: not used in production, remove me from prod builds } var memberNames = Object.keys(members); var META_FIELD = '__ember_meta__'; function Meta(obj, parentMeta) { _emberMetalDebug.runInDebug(function () { return counters.metaInstantiated++; }); this._cache = undefined; this._weak = undefined; this._watching = undefined; this._mixins = undefined; this._bindings = undefined; this._values = undefined; this._deps = undefined; this._chainWatchers = undefined; this._chains = undefined; this._tag = undefined; this._tags = undefined; // initial value for all flags right now is false // see FLAGS const for detailed list of flags used this._flags = 0; // used only internally this.source = obj; // when meta(obj).proto === obj, the object is intended to be only a // prototype and doesn't need to actually be observable itself this.proto = undefined; // The next meta in our inheritance chain. We (will) track this // explicitly instead of using prototypical inheritance because we // have detailed knowledge of how each property should really be // inherited, and we can optimize it much better than JS runtimes. this.parent = parentMeta; if (true || false) { this._lastRendered = undefined; this._lastRenderedFrom = undefined; // FIXME: not used in production, remove me from prod builds } this._initializeListeners(); } Meta.prototype.isInitialized = function (obj) { return this.proto !== obj; }; var NODE_STACK = []; Meta.prototype.destroy = function () { if (this.isMetaDestroyed()) { return; } // remove chainWatchers to remove circular references that would prevent GC var node = undefined, nodes = undefined, key = undefined, nodeObject = undefined; node = this.readableChains(); if (node) { NODE_STACK.push(node); // process tree while (NODE_STACK.length > 0) { node = NODE_STACK.pop(); // push children nodes = node._chains; if (nodes) { for (key in nodes) { if (nodes[key] !== undefined) { NODE_STACK.push(nodes[key]); } } } // remove chainWatcher in node object if (node._watching) { nodeObject = node._object; if (nodeObject) { var foreignMeta = peekMeta(nodeObject); // avoid cleaning up chain watchers when both current and // foreign objects are being destroyed // if both are being destroyed manual cleanup is not needed // as they will be GC'ed and no non-destroyed references will // be remaining if (foreignMeta && !foreignMeta.isSourceDestroying()) { _emberMetalChains.removeChainWatcher(nodeObject, node._key, node, foreignMeta); } } } } } this.setMetaDestroyed(); }; for (var _name in _emberMetalMeta_listeners.protoMethods) { Meta.prototype[_name] = _emberMetalMeta_listeners.protoMethods[_name]; } memberNames.forEach(function (name) { return members[name](name, Meta); }); Meta.prototype.isSourceDestroying = function isSourceDestroying() { return (this._flags & SOURCE_DESTROYING) !== 0; }; Meta.prototype.setSourceDestroying = function setSourceDestroying() { this._flags |= SOURCE_DESTROYING; }; Meta.prototype.isSourceDestroyed = function isSourceDestroyed() { return (this._flags & SOURCE_DESTROYED) !== 0; }; Meta.prototype.setSourceDestroyed = function setSourceDestroyed() { this._flags |= SOURCE_DESTROYED; }; Meta.prototype.isMetaDestroyed = function isMetaDestroyed() { return (this._flags & META_DESTROYED) !== 0; }; Meta.prototype.setMetaDestroyed = function setMetaDestroyed() { this._flags |= META_DESTROYED; }; Meta.prototype.isProxy = function isProxy() { return (this._flags & IS_PROXY) !== 0; }; Meta.prototype.setProxy = function setProxy() { this._flags |= IS_PROXY; }; // Implements a member that is a lazily created, non-inheritable // POJO. function ownMap(name, Meta) { var key = memberProperty(name); var capitalized = capitalize(name); Meta.prototype['writable' + capitalized] = function () { return this._getOrCreateOwnMap(key); }; Meta.prototype['readable' + capitalized] = function () { return this[key]; }; } Meta.prototype._getOrCreateOwnMap = function (key) { var ret = this[key]; if (!ret) { ret = this[key] = new _emberUtils.EmptyObject(); } return ret; }; // Implements a member that is a lazily created POJO with inheritable // values. function inheritedMap(name, Meta) { var key = memberProperty(name); var capitalized = capitalize(name); Meta.prototype['write' + capitalized] = function (subkey, value) { _emberMetalDebug.assert('Cannot call write' + capitalized + ' after the object is destroyed.', !this.isMetaDestroyed()); var map = this._getOrCreateOwnMap(key); map[subkey] = value; }; Meta.prototype['peek' + capitalized] = function (subkey) { return this._findInherited(key, subkey); }; Meta.prototype['forEach' + capitalized] = function (fn) { var pointer = this; var seen = new _emberUtils.EmptyObject(); while (pointer !== undefined) { var map = pointer[key]; if (map) { for (var _key in map) { if (!seen[_key]) { seen[_key] = true; fn(_key, map[_key]); } } } pointer = pointer.parent; } }; Meta.prototype['clear' + capitalized] = function () { _emberMetalDebug.assert('Cannot call clear' + capitalized + ' after the object is destroyed.', !this.isMetaDestroyed()); this[key] = undefined; }; Meta.prototype['deleteFrom' + capitalized] = function (subkey) { delete this._getOrCreateOwnMap(key)[subkey]; }; Meta.prototype['hasIn' + capitalized] = function (subkey) { return this._findInherited(key, subkey) !== undefined; }; } Meta.prototype._getInherited = function (key) { var pointer = this; while (pointer !== undefined) { if (pointer[key]) { return pointer[key]; } pointer = pointer.parent; } }; Meta.prototype._findInherited = function (key, subkey) { var pointer = this; while (pointer !== undefined) { var map = pointer[key]; if (map) { var value = map[subkey]; if (value !== undefined) { return value; } } pointer = pointer.parent; } }; var UNDEFINED = _emberUtils.symbol('undefined'); exports.UNDEFINED = UNDEFINED; // Implements a member that provides a lazily created map of maps, // with inheritance at both levels. Meta.prototype.writeDeps = function writeDeps(subkey, itemkey, value) { _emberMetalDebug.assert('Cannot call writeDeps after the object is destroyed.', !this.isMetaDestroyed()); var outerMap = this._getOrCreateOwnMap('_deps'); var innerMap = outerMap[subkey]; if (!innerMap) { innerMap = outerMap[subkey] = new _emberUtils.EmptyObject(); } innerMap[itemkey] = value; }; Meta.prototype.peekDeps = function peekDeps(subkey, itemkey) { var pointer = this; while (pointer !== undefined) { var map = pointer._deps; if (map) { var value = map[subkey]; if (value) { if (value[itemkey] !== undefined) { return value[itemkey]; } } } pointer = pointer.parent; } }; Meta.prototype.hasDeps = function hasDeps(subkey) { var pointer = this; while (pointer !== undefined) { if (pointer._deps && pointer._deps[subkey]) { return true; } pointer = pointer.parent; } return false; }; Meta.prototype.forEachInDeps = function forEachInDeps(subkey, fn) { return this._forEachIn('_deps', subkey, fn); }; Meta.prototype._forEachIn = function (key, subkey, fn) { var pointer = this; var seen = new _emberUtils.EmptyObject(); var calls = []; while (pointer !== undefined) { var map = pointer[key]; if (map) { var innerMap = map[subkey]; if (innerMap) { for (var innerKey in innerMap) { if (!seen[innerKey]) { seen[innerKey] = true; calls.push([innerKey, innerMap[innerKey]]); } } } } pointer = pointer.parent; } for (var i = 0; i < calls.length; i++) { var _calls$i = calls[i]; var innerKey = _calls$i[0]; var value = _calls$i[1]; fn(innerKey, value); } }; // Implements a member that provides a non-heritable, lazily-created // object using the method you provide. function ownCustomObject(name, Meta) { var key = memberProperty(name); var capitalized = capitalize(name); Meta.prototype['writable' + capitalized] = function (create) { _emberMetalDebug.assert('Cannot call writable' + capitalized + ' after the object is destroyed.', !this.isMetaDestroyed()); var ret = this[key]; if (!ret) { ret = this[key] = create(this.source); } return ret; }; Meta.prototype['readable' + capitalized] = function () { return this[key]; }; } // Implements a member that provides an inheritable, lazily-created // object using the method you provide. We will derived children from // their parents by calling your object's `copy()` method. function inheritedCustomObject(name, Meta) { var key = memberProperty(name); var capitalized = capitalize(name); Meta.prototype['writable' + capitalized] = function (create) { _emberMetalDebug.assert('Cannot call writable' + capitalized + ' after the object is destroyed.', !this.isMetaDestroyed()); var ret = this[key]; if (!ret) { if (this.parent) { ret = this[key] = this.parent['writable' + capitalized](create).copy(this.source); } else { ret = this[key] = create(this.source); } } return ret; }; Meta.prototype['readable' + capitalized] = function () { return this._getInherited(key); }; } function memberProperty(name) { return '_' + name; } // there's a more general-purpose capitalize in ember-runtime, but we // don't want to make ember-metal depend on ember-runtime. function capitalize(name) { return name.replace(/^\w/, function (m) { return m.toUpperCase(); }); } var META_DESC = { writable: true, configurable: true, enumerable: false, value: null }; exports.META_DESC = META_DESC; var EMBER_META_PROPERTY = { name: META_FIELD, descriptor: META_DESC }; if (true) { Meta.prototype.readInheritedValue = function (key, subkey) { var internalKey = '_' + key; var pointer = this; while (pointer !== undefined) { var map = pointer[internalKey]; if (map) { var value = map[subkey]; if (value !== undefined || subkey in map) { return map[subkey]; } } pointer = pointer.parent; } return UNDEFINED; }; Meta.prototype.writeValue = function (obj, key, value) { var descriptor = _emberUtils.lookupDescriptor(obj, key); var isMandatorySetter = descriptor && descriptor.set && descriptor.set.isMandatorySetter; if (isMandatorySetter) { this.writeValues(key, value); } else { obj[key] = value; } }; } var HAS_NATIVE_WEAKMAP = (function () { // detect if `WeakMap` is even present var hasWeakMap = typeof WeakMap === 'function'; if (!hasWeakMap) { return false; } var instance = new WeakMap(); // use `Object`'s `.toString` directly to prevent us from detecting // polyfills as native weakmaps return Object.prototype.toString.call(instance) === '[object WeakMap]'; })(); var setMeta = undefined, peekMeta = undefined; // choose the one appropriate for given platform if (HAS_NATIVE_WEAKMAP) { (function () { var getPrototypeOf = Object.getPrototypeOf; var metaStore = new WeakMap(); exports.setMeta = setMeta = function WeakMap_setMeta(obj, meta) { _emberMetalDebug.runInDebug(function () { return counters.setCalls++; }); metaStore.set(obj, meta); }; exports.peekMeta = peekMeta = function WeakMap_peekMeta(obj) { _emberMetalDebug.runInDebug(function () { return counters.peekCalls++; }); return metaStore.get(obj); }; exports.peekMeta = peekMeta = function WeakMap_peekParentMeta(obj) { var pointer = obj; var meta = undefined; while (pointer) { meta = metaStore.get(pointer); // jshint loopfunc:true _emberMetalDebug.runInDebug(function () { return counters.peekCalls++; }); // stop if we find a `null` value, since // that means the meta was deleted // any other truthy value is a "real" meta if (meta === null || meta) { return meta; } pointer = getPrototypeOf(pointer); _emberMetalDebug.runInDebug(function () { return counters.peakPrototypeWalks++; }); } }; })(); } else { exports.setMeta = setMeta = function Fallback_setMeta(obj, meta) { // if `null` already, just set it to the new value // otherwise define property first if (obj[META_FIELD] !== null) { if (obj.__defineNonEnumerable) { obj.__defineNonEnumerable(EMBER_META_PROPERTY); } else { Object.defineProperty(obj, META_FIELD, META_DESC); } } obj[META_FIELD] = meta; }; exports.peekMeta = peekMeta = function Fallback_peekMeta(obj) { return obj[META_FIELD]; }; } function deleteMeta(obj) { _emberMetalDebug.runInDebug(function () { return counters.deleteCalls++; }); var meta = peekMeta(obj); if (meta) { meta.destroy(); } } /** Retrieves the meta hash for an object. If `writable` is true ensures the hash is writable for this object as well. The meta object contains information about computed property descriptors as well as any watched properties and other information. You generally will not access this information directly but instead work with higher level methods that manipulate this hash indirectly. @method meta @for Ember @private @param {Object} obj The object to retrieve meta for @param {Boolean} [writable=true] Pass `false` if you do not intend to modify the meta hash, allowing the method to avoid making an unnecessary copy. @return {Object} the meta hash for an object */ function meta(obj) { _emberMetalDebug.runInDebug(function () { return counters.metaCalls++; }); var maybeMeta = peekMeta(obj); var parent = undefined; // remove this code, in-favor of explicit parent if (maybeMeta) { if (maybeMeta.source === obj) { return maybeMeta; } parent = maybeMeta; } var newMeta = new Meta(obj, parent); setMeta(obj, newMeta); return newMeta; } exports.peekMeta = peekMeta; exports.setMeta = setMeta; exports.counters = counters; }); enifed('ember-metal/meta_listeners', ['exports'], function (exports) { /* When we render a rich template hierarchy, the set of events that *might* happen tends to be much larger than the set of events that actually happen. This implies that we should make listener creation & destruction cheap, even at the cost of making event dispatch more expensive. Thus we store a new listener with a single push and no new allocations, without even bothering to do deduplication -- we can save that for dispatch time, if an event actually happens. */ /* listener flags */ 'use strict'; var ONCE = 1; exports.ONCE = ONCE; var SUSPENDED = 2; exports.SUSPENDED = SUSPENDED; var protoMethods = { addToListeners: function (eventName, target, method, flags) { if (!this._listeners) { this._listeners = []; } this._listeners.push(eventName, target, method, flags); }, _finalizeListeners: function () { if (this._listenersFinalized) { return; } if (!this._listeners) { this._listeners = []; } var pointer = this.parent; while (pointer) { var listeners = pointer._listeners; if (listeners) { this._listeners = this._listeners.concat(listeners); } if (pointer._listenersFinalized) { break; } pointer = pointer.parent; } this._listenersFinalized = true; }, removeFromListeners: function (eventName, target, method, didRemove) { var pointer = this; while (pointer) { var listeners = pointer._listeners; if (listeners) { for (var index = listeners.length - 4; index >= 0; index -= 4) { if (listeners[index] === eventName && (!method || listeners[index + 1] === target && listeners[index + 2] === method)) { if (pointer === this) { // we are modifying our own list, so we edit directly if (typeof didRemove === 'function') { didRemove(eventName, target, listeners[index + 2]); } listeners.splice(index, 4); } else { // we are trying to remove an inherited listener, so we do // just-in-time copying to detach our own listeners from // our inheritance chain. this._finalizeListeners(); return this.removeFromListeners(eventName, target, method); } } } } if (pointer._listenersFinalized) { break; } pointer = pointer.parent; } }, matchingListeners: function (eventName) { var pointer = this; var result = []; while (pointer) { var listeners = pointer._listeners; if (listeners) { for (var index = 0; index < listeners.length - 3; index += 4) { if (listeners[index] === eventName) { pushUniqueListener(result, listeners, index); } } } if (pointer._listenersFinalized) { break; } pointer = pointer.parent; } var sus = this._suspendedListeners; if (sus) { for (var susIndex = 0; susIndex < sus.length - 2; susIndex += 3) { if (eventName === sus[susIndex]) { for (var resultIndex = 0; resultIndex < result.length - 2; resultIndex += 3) { if (result[resultIndex] === sus[susIndex + 1] && result[resultIndex + 1] === sus[susIndex + 2]) { result[resultIndex + 2] |= SUSPENDED; } } } } } return result; }, suspendListeners: function (eventNames, target, method, callback) { var sus = this._suspendedListeners; if (!sus) { sus = this._suspendedListeners = []; } for (var i = 0; i < eventNames.length; i++) { sus.push(eventNames[i], target, method); } try { return callback.call(target); } finally { if (sus.length === eventNames.length) { this._suspendedListeners = undefined; } else { for (var i = sus.length - 3; i >= 0; i -= 3) { if (sus[i + 1] === target && sus[i + 2] === method && eventNames.indexOf(sus[i]) !== -1) { sus.splice(i, 3); } } } } }, watchedEvents: function () { var pointer = this; var names = {}; while (pointer) { var listeners = pointer._listeners; if (listeners) { for (var index = 0; index < listeners.length - 3; index += 4) { names[listeners[index]] = true; } } if (pointer._listenersFinalized) { break; } pointer = pointer.parent; } return Object.keys(names); }, _initializeListeners: function () { this._listeners = undefined; this._listenersFinalized = undefined; this._suspendedListeners = undefined; } }; exports.protoMethods = protoMethods; function pushUniqueListener(destination, source, index) { var target = source[index + 1]; var method = source[index + 2]; for (var destinationIndex = 0; destinationIndex < destination.length - 2; destinationIndex += 3) { if (destination[destinationIndex] === target && destination[destinationIndex + 1] === method) { return; } } destination.push(target, method, source[index + 3]); } }); enifed('ember-metal/mixin', ['exports', 'ember-utils', 'ember-metal/error', 'ember-metal/debug', 'ember-metal/meta', 'ember-metal/expand_properties', 'ember-metal/properties', 'ember-metal/computed', 'ember-metal/binding', 'ember-metal/observer', 'ember-metal/events'], function (exports, _emberUtils, _emberMetalError, _emberMetalDebug, _emberMetalMeta, _emberMetalExpand_properties, _emberMetalProperties, _emberMetalComputed, _emberMetalBinding, _emberMetalObserver, _emberMetalEvents) { 'no use strict'; // Remove "use strict"; from transpiled module until // https://bugs.webkit.org/show_bug.cgi?id=138038 is fixed /** @module ember @submodule ember-metal */ exports.detectBinding = detectBinding; exports.mixin = mixin; exports.default = Mixin; exports.hasUnprocessedMixins = hasUnprocessedMixins; exports.clearUnprocessedMixins = clearUnprocessedMixins; exports.required = required; exports.aliasMethod = aliasMethod; exports.observer = observer; exports._immediateObserver = _immediateObserver; exports._beforeObserver = _beforeObserver; function ROOT() {} ROOT.__hasSuper = false; var a_slice = [].slice; function isMethod(obj) { return 'function' === typeof obj && obj.isMethod !== false && obj !== Boolean && obj !== Object && obj !== Number && obj !== Array && obj !== Date && obj !== String; } var CONTINUE = {}; function mixinProperties(mixinsMeta, mixin) { var guid = undefined; if (mixin instanceof Mixin) { guid = _emberUtils.guidFor(mixin); if (mixinsMeta.peekMixins(guid)) { return CONTINUE; } mixinsMeta.writeMixins(guid, mixin); return mixin.properties; } else { return mixin; // apply anonymous mixin properties } } function concatenatedMixinProperties(concatProp, props, values, base) { var concats = undefined; // reset before adding each new mixin to pickup concats from previous concats = values[concatProp] || base[concatProp]; if (props[concatProp]) { concats = concats ? concats.concat(props[concatProp]) : props[concatProp]; } return concats; } function giveDescriptorSuper(meta, key, property, values, descs, base) { var superProperty = undefined; // Computed properties override methods, and do not call super to them if (values[key] === undefined) { // Find the original descriptor in a parent mixin superProperty = descs[key]; } // If we didn't find the original descriptor in a parent mixin, find // it on the original object. if (!superProperty) { var possibleDesc = base[key]; var superDesc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; superProperty = superDesc; } if (superProperty === undefined || !(superProperty instanceof _emberMetalComputed.ComputedProperty)) { return property; } // Since multiple mixins may inherit from the same parent, we need // to clone the computed property so that other mixins do not receive // the wrapped version. property = Object.create(property); property._getter = _emberUtils.wrap(property._getter, superProperty._getter); if (superProperty._setter) { if (property._setter) { property._setter = _emberUtils.wrap(property._setter, superProperty._setter); } else { property._setter = superProperty._setter; } } return property; } function giveMethodSuper(obj, key, method, values, descs) { var superMethod = undefined; // Methods overwrite computed properties, and do not call super to them. if (descs[key] === undefined) { // Find the original method in a parent mixin superMethod = values[key]; } // If we didn't find the original value in a parent mixin, find it in // the original object superMethod = superMethod || obj[key]; // Only wrap the new method if the original method was a function if (superMethod === undefined || 'function' !== typeof superMethod) { return method; } return _emberUtils.wrap(method, superMethod); } function applyConcatenatedProperties(obj, key, value, values) { var baseValue = values[key] || obj[key]; if (baseValue) { if ('function' === typeof baseValue.concat) { if (value === null || value === undefined) { return baseValue; } else { return baseValue.concat(value); } } else { return _emberUtils.makeArray(baseValue).concat(value); } } else { return _emberUtils.makeArray(value); } } function applyMergedProperties(obj, key, value, values) { var baseValue = values[key] || obj[key]; _emberMetalDebug.runInDebug(function () { if (Array.isArray(value)) { // use conditional to avoid stringifying every time _emberMetalDebug.assert('You passed in `' + JSON.stringify(value) + '` as the value for `' + key + '` but `' + key + '` cannot be an Array', false); } }); if (!baseValue) { return value; } var newBase = _emberUtils.assign({}, baseValue); var hasFunction = false; for (var prop in value) { if (!value.hasOwnProperty(prop)) { continue; } var propValue = value[prop]; if (isMethod(propValue)) { // TODO: support for Computed Properties, etc? hasFunction = true; newBase[prop] = giveMethodSuper(obj, prop, propValue, baseValue, {}); } else { newBase[prop] = propValue; } } if (hasFunction) { newBase._super = ROOT; } return newBase; } function addNormalizedProperty(base, key, value, meta, descs, values, concats, mergings) { if (value instanceof _emberMetalProperties.Descriptor) { if (value === REQUIRED && descs[key]) { return CONTINUE; } // Wrap descriptor function to implement // _super() if needed if (value._getter) { value = giveDescriptorSuper(meta, key, value, values, descs, base); } descs[key] = value; values[key] = undefined; } else { if (concats && concats.indexOf(key) >= 0 || key === 'concatenatedProperties' || key === 'mergedProperties') { value = applyConcatenatedProperties(base, key, value, values); } else if (mergings && mergings.indexOf(key) >= 0) { value = applyMergedProperties(base, key, value, values); } else if (isMethod(value)) { value = giveMethodSuper(base, key, value, values, descs); } descs[key] = undefined; values[key] = value; } } function mergeMixins(mixins, m, descs, values, base, keys) { var currentMixin = undefined, props = undefined, key = undefined, concats = undefined, mergings = undefined; function removeKeys(keyName) { delete descs[keyName]; delete values[keyName]; } for (var i = 0; i < mixins.length; i++) { currentMixin = mixins[i]; _emberMetalDebug.assert('Expected hash or Mixin instance, got ' + Object.prototype.toString.call(currentMixin), typeof currentMixin === 'object' && currentMixin !== null && Object.prototype.toString.call(currentMixin) !== '[object Array]'); props = mixinProperties(m, currentMixin); if (props === CONTINUE) { continue; } if (props) { if (base.willMergeMixin) { base.willMergeMixin(props); } concats = concatenatedMixinProperties('concatenatedProperties', props, values, base); mergings = concatenatedMixinProperties('mergedProperties', props, values, base); for (key in props) { if (!props.hasOwnProperty(key)) { continue; } keys.push(key); addNormalizedProperty(base, key, props[key], m, descs, values, concats, mergings); } // manually copy toString() because some JS engines do not enumerate it if (props.hasOwnProperty('toString')) { base.toString = props.toString; } } else if (currentMixin.mixins) { mergeMixins(currentMixin.mixins, m, descs, values, base, keys); if (currentMixin._without) { currentMixin._without.forEach(removeKeys); } } } } function detectBinding(key) { var length = key.length; return length > 7 && key.charCodeAt(length - 7) === 66 && key.indexOf('inding', length - 6) !== -1; } // warm both paths of above function detectBinding('notbound'); detectBinding('fooBinding'); function connectBindings(obj, m) { // TODO Mixin.apply(instance) should disconnect binding if exists m.forEachBindings(function (key, binding) { if (binding) { var to = key.slice(0, -7); // strip Binding off end if (binding instanceof _emberMetalBinding.Binding) { binding = binding.copy(); // copy prototypes' instance binding.to(to); } else { // binding is string path binding = new _emberMetalBinding.Binding(to, binding); } binding.connect(obj); obj[key] = binding; } }); // mark as applied m.clearBindings(); } function finishPartial(obj, m) { connectBindings(obj, m || _emberMetalMeta.meta(obj)); return obj; } function followAlias(obj, desc, m, descs, values) { var altKey = desc.methodName; var value = undefined; var possibleDesc = undefined; if (descs[altKey] || values[altKey]) { value = values[altKey]; desc = descs[altKey]; } else if ((possibleDesc = obj[altKey]) && possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor) { desc = possibleDesc; value = undefined; } else { desc = undefined; value = obj[altKey]; } return { desc: desc, value: value }; } function updateObserversAndListeners(obj, key, observerOrListener, pathsKey, updateMethod) { var paths = observerOrListener[pathsKey]; if (paths) { for (var i = 0; i < paths.length; i++) { updateMethod(obj, paths[i], null, key); } } } function replaceObserversAndListeners(obj, key, observerOrListener) { var prev = obj[key]; if ('function' === typeof prev) { updateObserversAndListeners(obj, key, prev, '__ember_observesBefore__', _emberMetalObserver._removeBeforeObserver); updateObserversAndListeners(obj, key, prev, '__ember_observes__', _emberMetalObserver.removeObserver); updateObserversAndListeners(obj, key, prev, '__ember_listens__', _emberMetalEvents.removeListener); } if ('function' === typeof observerOrListener) { updateObserversAndListeners(obj, key, observerOrListener, '__ember_observesBefore__', _emberMetalObserver._addBeforeObserver); updateObserversAndListeners(obj, key, observerOrListener, '__ember_observes__', _emberMetalObserver.addObserver); updateObserversAndListeners(obj, key, observerOrListener, '__ember_listens__', _emberMetalEvents.addListener); } } function applyMixin(obj, mixins, partial) { var descs = {}; var values = {}; var m = _emberMetalMeta.meta(obj); var keys = []; var key = undefined, value = undefined, desc = undefined; obj._super = ROOT; // Go through all mixins and hashes passed in, and: // // * Handle concatenated properties // * Handle merged properties // * Set up _super wrapping if necessary // * Set up computed property descriptors // * Copying `toString` in broken browsers mergeMixins(mixins, m, descs, values, obj, keys); for (var i = 0; i < keys.length; i++) { key = keys[i]; if (key === 'constructor' || !values.hasOwnProperty(key)) { continue; } desc = descs[key]; value = values[key]; if (desc === REQUIRED) { continue; } while (desc && desc instanceof Alias) { var followed = followAlias(obj, desc, m, descs, values); desc = followed.desc; value = followed.value; } if (desc === undefined && value === undefined) { continue; } replaceObserversAndListeners(obj, key, value); if (detectBinding(key)) { m.writeBindings(key, value); } _emberMetalProperties.defineProperty(obj, key, desc, value, m); } if (!partial) { // don't apply to prototype finishPartial(obj, m); } return obj; } /** @method mixin @for Ember @param obj @param mixins* @return obj @private */ function mixin(obj) { for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { args[_key - 1] = arguments[_key]; } applyMixin(obj, args, false); return obj; } var NAME_KEY = _emberUtils.GUID_KEY + '_name'; exports.NAME_KEY = NAME_KEY; /** The `Ember.Mixin` class allows you to create mixins, whose properties can be added to other classes. For instance, ```javascript const EditableMixin = Ember.Mixin.create({ edit() { console.log('starting to edit'); this.set('isEditing', true); }, isEditing: false }); // Mix mixins into classes by passing them as the first arguments to // `.extend.` const Comment = Ember.Object.extend(EditableMixin, { post: null }); let comment = Comment.create(post: somePost); comment.edit(); // outputs 'starting to edit' ``` Note that Mixins are created with `Ember.Mixin.create`, not `Ember.Mixin.extend`. Note that mixins extend a constructor's prototype so arrays and object literals defined as properties will be shared amongst objects that implement the mixin. If you want to define a property in a mixin that is not shared, you can define it either as a computed property or have it be created on initialization of the object. ```javascript // filters array will be shared amongst any object implementing mixin const FilterableMixin = Ember.Mixin.create({ filters: Ember.A() }); // filters will be a separate array for every object implementing the mixin const FilterableMixin = Ember.Mixin.create({ filters: Ember.computed(function() { return Ember.A(); }) }); // filters will be created as a separate array during the object's initialization const Filterable = Ember.Mixin.create({ init() { this._super(...arguments); this.set("filters", Ember.A()); } }); ``` @class Mixin @namespace Ember @public */ function Mixin(args, properties) { this.properties = properties; var length = args && args.length; if (length > 0) { var m = new Array(length); for (var i = 0; i < length; i++) { var x = args[i]; if (x instanceof Mixin) { m[i] = x; } else { m[i] = new Mixin(undefined, x); } } this.mixins = m; } else { this.mixins = undefined; } this.ownerConstructor = undefined; this._without = undefined; this[_emberUtils.GUID_KEY] = null; this[NAME_KEY] = null; _emberMetalDebug.debugSeal(this); } Mixin._apply = applyMixin; Mixin.applyPartial = function (obj) { var args = a_slice.call(arguments, 1); return applyMixin(obj, args, true); }; Mixin.finishPartial = finishPartial; var unprocessedFlag = false; function hasUnprocessedMixins() { return unprocessedFlag; } function clearUnprocessedMixins() { unprocessedFlag = false; } /** @method create @static @param arguments* @public */ Mixin.create = function () { // ES6TODO: this relies on a global state? unprocessedFlag = true; var M = this; for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { args[_key2] = arguments[_key2]; } return new M(args, undefined); }; var MixinPrototype = Mixin.prototype; /** @method reopen @param arguments* @private */ MixinPrototype.reopen = function () { var currentMixin = undefined; if (this.properties) { currentMixin = new Mixin(undefined, this.properties); this.properties = undefined; this.mixins = [currentMixin]; } else if (!this.mixins) { this.mixins = []; } var mixins = this.mixins; var idx = undefined; for (idx = 0; idx < arguments.length; idx++) { currentMixin = arguments[idx]; _emberMetalDebug.assert('Expected hash or Mixin instance, got ' + Object.prototype.toString.call(currentMixin), typeof currentMixin === 'object' && currentMixin !== null && Object.prototype.toString.call(currentMixin) !== '[object Array]'); if (currentMixin instanceof Mixin) { mixins.push(currentMixin); } else { mixins.push(new Mixin(undefined, currentMixin)); } } return this; }; /** @method apply @param obj @return applied object @private */ MixinPrototype.apply = function (obj) { return applyMixin(obj, [this], false); }; MixinPrototype.applyPartial = function (obj) { return applyMixin(obj, [this], true); }; MixinPrototype.toString = Object.toString; function _detect(curMixin, targetMixin, seen) { var guid = _emberUtils.guidFor(curMixin); if (seen[guid]) { return false; } seen[guid] = true; if (curMixin === targetMixin) { return true; } var mixins = curMixin.mixins; var loc = mixins ? mixins.length : 0; while (--loc >= 0) { if (_detect(mixins[loc], targetMixin, seen)) { return true; } } return false; } /** @method detect @param obj @return {Boolean} @private */ MixinPrototype.detect = function (obj) { if (typeof obj !== 'object' || obj === null) { return false; } if (obj instanceof Mixin) { return _detect(obj, this, {}); } var m = _emberMetalMeta.peekMeta(obj); if (!m) { return false; } return !!m.peekMixins(_emberUtils.guidFor(this)); }; MixinPrototype.without = function () { var ret = new Mixin([this]); for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { args[_key3] = arguments[_key3]; } ret._without = args; return ret; }; function _keys(ret, mixin, seen) { if (seen[_emberUtils.guidFor(mixin)]) { return; } seen[_emberUtils.guidFor(mixin)] = true; if (mixin.properties) { var props = Object.keys(mixin.properties); for (var i = 0; i < props.length; i++) { var key = props[i]; ret[key] = true; } } else if (mixin.mixins) { mixin.mixins.forEach(function (x) { return _keys(ret, x, seen); }); } } MixinPrototype.keys = function () { var keys = {}; var seen = {}; _keys(keys, this, seen); var ret = Object.keys(keys); return ret; }; _emberMetalDebug.debugSeal(MixinPrototype); // returns the mixins currently applied to the specified object // TODO: Make Ember.mixin Mixin.mixins = function (obj) { var m = _emberMetalMeta.peekMeta(obj); var ret = []; if (!m) { return ret; } m.forEachMixins(function (key, currentMixin) { // skip primitive mixins since these are always anonymous if (!currentMixin.properties) { ret.push(currentMixin); } }); return ret; }; var REQUIRED = new _emberMetalProperties.Descriptor(); REQUIRED.toString = function () { return '(Required Property)'; }; /** Denotes a required property for a mixin @method required @for Ember @private */ function required() { _emberMetalDebug.deprecate('Ember.required is deprecated as its behavior is inconsistent and unreliable.', false, { id: 'ember-metal.required', until: '3.0.0' }); return REQUIRED; } function Alias(methodName) { this.isDescriptor = true; this.methodName = methodName; } Alias.prototype = new _emberMetalProperties.Descriptor(); /** Makes a method available via an additional name. ```javascript App.Person = Ember.Object.extend({ name: function() { return 'Tomhuda Katzdale'; }, moniker: Ember.aliasMethod('name') }); let goodGuy = App.Person.create(); goodGuy.name(); // 'Tomhuda Katzdale' goodGuy.moniker(); // 'Tomhuda Katzdale' ``` @method aliasMethod @for Ember @param {String} methodName name of the method to alias @public */ function aliasMethod(methodName) { return new Alias(methodName); } // .......................................................... // OBSERVER HELPER // /** Specify a method that observes property changes. ```javascript Ember.Object.extend({ valueObserver: Ember.observer('value', function() { // Executes whenever the "value" property changes }) }); ``` Also available as `Function.prototype.observes` if prototype extensions are enabled. @method observer @for Ember @param {String} propertyNames* @param {Function} func @return func @public */ function observer() { for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { args[_key4] = arguments[_key4]; } var func = args.slice(-1)[0]; var paths = undefined; var addWatchedProperty = function (path) { paths.push(path); }; var _paths = args.slice(0, -1); if (typeof func !== 'function') { // revert to old, soft-deprecated argument ordering _emberMetalDebug.deprecate('Passing the dependentKeys after the callback function in Ember.observer is deprecated. Ensure the callback function is the last argument.', false, { id: 'ember-metal.observer-argument-order', until: '3.0.0' }); func = args[0]; _paths = args.slice(1); } paths = []; for (var i = 0; i < _paths.length; ++i) { _emberMetalExpand_properties.default(_paths[i], addWatchedProperty); } if (typeof func !== 'function') { throw new _emberMetalError.default('Ember.observer called without a function'); } func.__ember_observes__ = paths; return func; } /** Specify a method that observes property changes. ```javascript Ember.Object.extend({ valueObserver: Ember.immediateObserver('value', function() { // Executes whenever the "value" property changes }) }); ``` In the future, `Ember.observer` may become asynchronous. In this event, `Ember.immediateObserver` will maintain the synchronous behavior. Also available as `Function.prototype.observesImmediately` if prototype extensions are enabled. @method _immediateObserver @for Ember @param {String} propertyNames* @param {Function} func @deprecated Use `Ember.observer` instead. @return func @private */ function _immediateObserver() { _emberMetalDebug.deprecate('Usage of `Ember.immediateObserver` is deprecated, use `Ember.observer` instead.', false, { id: 'ember-metal.immediate-observer', until: '3.0.0' }); for (var i = 0; i < arguments.length; i++) { var arg = arguments[i]; _emberMetalDebug.assert('Immediate observers must observe internal properties only, not properties on other objects.', typeof arg !== 'string' || arg.indexOf('.') === -1); } return observer.apply(this, arguments); } /** When observers fire, they are called with the arguments `obj`, `keyName`. Note, `@each.property` observer is called per each add or replace of an element and it's not called with a specific enumeration item. A `_beforeObserver` fires before a property changes. @method beforeObserver @for Ember @param {String} propertyNames* @param {Function} func @return func @deprecated @private */ function _beforeObserver() { for (var _len5 = arguments.length, args = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) { args[_key5] = arguments[_key5]; } var func = args.slice(-1)[0]; var paths = undefined; var addWatchedProperty = function (path) { paths.push(path); }; var _paths = args.slice(0, -1); if (typeof func !== 'function') { // revert to old, soft-deprecated argument ordering func = args[0]; _paths = args.slice(1); } paths = []; for (var i = 0; i < _paths.length; ++i) { _emberMetalExpand_properties.default(_paths[i], addWatchedProperty); } if (typeof func !== 'function') { throw new _emberMetalError.default('_beforeObserver called without a function'); } func.__ember_observesBefore__ = paths; return func; } exports.Mixin = Mixin; exports.required = required; exports.REQUIRED = REQUIRED; }); enifed('ember-metal/observer', ['exports', 'ember-metal/watching', 'ember-metal/events'], function (exports, _emberMetalWatching, _emberMetalEvents) { 'use strict'; exports.addObserver = addObserver; exports.observersFor = observersFor; exports.removeObserver = removeObserver; exports._addBeforeObserver = _addBeforeObserver; exports._suspendObserver = _suspendObserver; exports._suspendObservers = _suspendObservers; exports._removeBeforeObserver = _removeBeforeObserver; /** @module ember-metal */ var AFTER_OBSERVERS = ':change'; var BEFORE_OBSERVERS = ':before'; function changeEvent(keyName) { return keyName + AFTER_OBSERVERS; } function beforeEvent(keyName) { return keyName + BEFORE_OBSERVERS; } /** @method addObserver @for Ember @param obj @param {String} _path @param {Object|Function} target @param {Function|String} [method] @public */ function addObserver(obj, _path, target, method) { _emberMetalEvents.addListener(obj, changeEvent(_path), target, method); _emberMetalWatching.watch(obj, _path); return this; } function observersFor(obj, path) { return _emberMetalEvents.listenersFor(obj, changeEvent(path)); } /** @method removeObserver @for Ember @param obj @param {String} path @param {Object|Function} target @param {Function|String} [method] @public */ function removeObserver(obj, path, target, method) { _emberMetalWatching.unwatch(obj, path); _emberMetalEvents.removeListener(obj, changeEvent(path), target, method); return this; } /** @method _addBeforeObserver @for Ember @param obj @param {String} path @param {Object|Function} target @param {Function|String} [method] @deprecated @private */ function _addBeforeObserver(obj, path, target, method) { _emberMetalEvents.addListener(obj, beforeEvent(path), target, method); _emberMetalWatching.watch(obj, path); return this; } // Suspend observer during callback. // // This should only be used by the target of the observer // while it is setting the observed path. function _suspendObserver(obj, path, target, method, callback) { return _emberMetalEvents.suspendListener(obj, changeEvent(path), target, method, callback); } function _suspendObservers(obj, paths, target, method, callback) { var events = paths.map(changeEvent); return _emberMetalEvents.suspendListeners(obj, events, target, method, callback); } /** @method removeBeforeObserver @for Ember @param obj @param {String} path @param {Object|Function} target @param {Function|String} [method] @deprecated @private */ function _removeBeforeObserver(obj, path, target, method) { _emberMetalWatching.unwatch(obj, path); _emberMetalEvents.removeListener(obj, beforeEvent(path), target, method); return this; } }); enifed('ember-metal/observer_set', ['exports', 'ember-utils', 'ember-metal/events'], function (exports, _emberUtils, _emberMetalEvents) { 'use strict'; exports.default = ObserverSet; /* this.observerSet = { [senderGuid]: { // variable name: `keySet` [keyName]: listIndex } }, this.observers = [ { sender: obj, keyName: keyName, eventName: eventName, listeners: [ [target, method, flags] ] }, ... ] */ function ObserverSet() { this.clear(); } ObserverSet.prototype.add = function (sender, keyName, eventName) { var observerSet = this.observerSet; var observers = this.observers; var senderGuid = _emberUtils.guidFor(sender); var keySet = observerSet[senderGuid]; var index = undefined; if (!keySet) { observerSet[senderGuid] = keySet = {}; } index = keySet[keyName]; if (index === undefined) { index = observers.push({ sender: sender, keyName: keyName, eventName: eventName, listeners: [] }) - 1; keySet[keyName] = index; } return observers[index].listeners; }; ObserverSet.prototype.flush = function () { var observers = this.observers; var i = undefined, observer = undefined, sender = undefined; this.clear(); for (i = 0; i < observers.length; ++i) { observer = observers[i]; sender = observer.sender; if (sender.isDestroying || sender.isDestroyed) { continue; } _emberMetalEvents.sendEvent(sender, observer.eventName, [sender, observer.keyName], observer.listeners); } }; ObserverSet.prototype.clear = function () { this.observerSet = {}; this.observers = []; }; }); enifed('ember-metal/path_cache', ['exports', 'ember-metal/cache'], function (exports, _emberMetalCache) { 'use strict'; exports.isGlobal = isGlobal; exports.isGlobalPath = isGlobalPath; exports.hasThis = hasThis; exports.isPath = isPath; exports.getFirstKey = getFirstKey; exports.getTailPath = getTailPath; var IS_GLOBAL = /^[A-Z$]/; var IS_GLOBAL_PATH = /^[A-Z$].*[\.]/; var HAS_THIS = 'this.'; var isGlobalCache = new _emberMetalCache.default(1000, function (key) { return IS_GLOBAL.test(key); }); var isGlobalPathCache = new _emberMetalCache.default(1000, function (key) { return IS_GLOBAL_PATH.test(key); }); var hasThisCache = new _emberMetalCache.default(1000, function (key) { return key.lastIndexOf(HAS_THIS, 0) === 0; }); var firstDotIndexCache = new _emberMetalCache.default(1000, function (key) { return key.indexOf('.'); }); var firstKeyCache = new _emberMetalCache.default(1000, function (path) { var index = firstDotIndexCache.get(path); if (index === -1) { return path; } else { return path.slice(0, index); } }); var tailPathCache = new _emberMetalCache.default(1000, function (path) { var index = firstDotIndexCache.get(path); if (index !== -1) { return path.slice(index + 1); } }); var caches = { isGlobalCache: isGlobalCache, isGlobalPathCache: isGlobalPathCache, hasThisCache: hasThisCache, firstDotIndexCache: firstDotIndexCache, firstKeyCache: firstKeyCache, tailPathCache: tailPathCache }; exports.caches = caches; function isGlobal(path) { return isGlobalCache.get(path); } function isGlobalPath(path) { return isGlobalPathCache.get(path); } function hasThis(path) { return hasThisCache.get(path); } function isPath(path) { return firstDotIndexCache.get(path) !== -1; } function getFirstKey(path) { return firstKeyCache.get(path); } function getTailPath(path) { return tailPathCache.get(path); } }); enifed('ember-metal/properties', ['exports', 'ember-metal/debug', 'ember-metal/features', 'ember-metal/meta', 'ember-metal/property_events'], function (exports, _emberMetalDebug, _emberMetalFeatures, _emberMetalMeta, _emberMetalProperty_events) { /** @module ember-metal */ 'use strict'; exports.Descriptor = Descriptor; exports.MANDATORY_SETTER_FUNCTION = MANDATORY_SETTER_FUNCTION; exports.DEFAULT_GETTER_FUNCTION = DEFAULT_GETTER_FUNCTION; exports.INHERITING_GETTER_FUNCTION = INHERITING_GETTER_FUNCTION; exports.defineProperty = defineProperty; // .......................................................... // DESCRIPTOR // /** Objects of this type can implement an interface to respond to requests to get and set. The default implementation handles simple properties. @class Descriptor @private */ function Descriptor() { this.isDescriptor = true; } var REDEFINE_SUPPORTED = (function () { // https://github.com/spalger/kibana/commit/b7e35e6737df585585332857a4c397dc206e7ff9 var a = Object.create(Object.prototype, { prop: { configurable: true, value: 1 } }); Object.defineProperty(a, 'prop', { configurable: true, value: 2 }); return a.prop === 2; })(); // .......................................................... // DEFINING PROPERTIES API // function MANDATORY_SETTER_FUNCTION(name) { function SETTER_FUNCTION(value) { var m = _emberMetalMeta.peekMeta(this); if (!m.isInitialized(this)) { m.writeValues(name, value); } else { _emberMetalDebug.assert('You must use Ember.set() to set the `' + name + '` property (of ' + this + ') to `' + value + '`.', false); } } SETTER_FUNCTION.isMandatorySetter = true; return SETTER_FUNCTION; } function DEFAULT_GETTER_FUNCTION(name) { return function GETTER_FUNCTION() { var meta = _emberMetalMeta.peekMeta(this); return meta && meta.peekValues(name); }; } function INHERITING_GETTER_FUNCTION(name) { function IGETTER_FUNCTION() { var meta = _emberMetalMeta.peekMeta(this); var val = meta && meta.readInheritedValue('values', name); if (val === _emberMetalMeta.UNDEFINED) { var proto = Object.getPrototypeOf(this); return proto && proto[name]; } else { return val; } } IGETTER_FUNCTION.isInheritingGetter = true; return IGETTER_FUNCTION; } /** NOTE: This is a low-level method used by other parts of the API. You almost never want to call this method directly. Instead you should use `Ember.mixin()` to define new properties. Defines a property on an object. This method works much like the ES5 `Object.defineProperty()` method except that it can also accept computed properties and other special descriptors. Normally this method takes only three parameters. However if you pass an instance of `Descriptor` as the third param then you can pass an optional value as the fourth parameter. This is often more efficient than creating new descriptor hashes for each property. ## Examples ```javascript // ES5 compatible mode Ember.defineProperty(contact, 'firstName', { writable: true, configurable: false, enumerable: true, value: 'Charles' }); // define a simple property Ember.defineProperty(contact, 'lastName', undefined, 'Jolley'); // define a computed property Ember.defineProperty(contact, 'fullName', Ember.computed('firstName', 'lastName', function() { return this.firstName+' '+this.lastName; })); ``` @private @method defineProperty @for Ember @param {Object} obj the object to define this property on. This may be a prototype. @param {String} keyName the name of the property @param {Descriptor} [desc] an instance of `Descriptor` (typically a computed property) or an ES5 descriptor. You must provide this or `data` but not both. @param {*} [data] something other than a descriptor, that will become the explicit value of this property. */ function defineProperty(obj, keyName, desc, data, meta) { var possibleDesc = undefined, existingDesc = undefined, watching = undefined, value = undefined; if (!meta) { meta = _emberMetalMeta.meta(obj); } var watchEntry = meta.peekWatching(keyName); possibleDesc = obj[keyName]; existingDesc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; watching = watchEntry !== undefined && watchEntry > 0; if (existingDesc) { existingDesc.teardown(obj, keyName); } if (desc instanceof Descriptor) { value = desc; if (true) { if (watching) { Object.defineProperty(obj, keyName, { configurable: true, enumerable: true, writable: true, value: value }); } else { obj[keyName] = value; } } else { obj[keyName] = value; } if (desc.setup) { desc.setup(obj, keyName); } } else { if (desc == null) { value = data; if (true) { if (watching) { meta.writeValues(keyName, data); var defaultDescriptor = { configurable: true, enumerable: true, set: MANDATORY_SETTER_FUNCTION(keyName), get: DEFAULT_GETTER_FUNCTION(keyName) }; if (REDEFINE_SUPPORTED) { Object.defineProperty(obj, keyName, defaultDescriptor); } else { handleBrokenPhantomDefineProperty(obj, keyName, defaultDescriptor); } } else { obj[keyName] = data; } } else { obj[keyName] = data; } } else { value = desc; // fallback to ES5 Object.defineProperty(obj, keyName, desc); } } // if key is being watched, override chains that // were initialized with the prototype if (watching) { _emberMetalProperty_events.overrideChains(obj, keyName, meta); } // The `value` passed to the `didDefineProperty` hook is // either the descriptor or data, whichever was passed. if (obj.didDefineProperty) { obj.didDefineProperty(obj, keyName, value); } return this; } function handleBrokenPhantomDefineProperty(obj, keyName, desc) { // https://github.com/ariya/phantomjs/issues/11856 Object.defineProperty(obj, keyName, { configurable: true, writable: true, value: 'iCry' }); Object.defineProperty(obj, keyName, desc); } }); enifed('ember-metal/property_events', ['exports', 'ember-utils', 'ember-metal/meta', 'ember-metal/events', 'ember-metal/tags', 'ember-metal/observer_set', 'ember-metal/features', 'ember-metal/transaction'], function (exports, _emberUtils, _emberMetalMeta, _emberMetalEvents, _emberMetalTags, _emberMetalObserver_set, _emberMetalFeatures, _emberMetalTransaction) { 'use strict'; var PROPERTY_DID_CHANGE = _emberUtils.symbol('PROPERTY_DID_CHANGE'); exports.PROPERTY_DID_CHANGE = PROPERTY_DID_CHANGE; var beforeObserverSet = new _emberMetalObserver_set.default(); var observerSet = new _emberMetalObserver_set.default(); var deferred = 0; // .......................................................... // PROPERTY CHANGES // /** This function is called just before an object property is about to change. It will notify any before observers and prepare caches among other things. Normally you will not need to call this method directly but if for some reason you can't directly watch a property you can invoke this method manually along with `Ember.propertyDidChange()` which you should call just after the property value changes. @method propertyWillChange @for Ember @param {Object} obj The object with the property that will change @param {String} keyName The property key (or path) that will change. @return {void} @private */ function propertyWillChange(obj, keyName, _meta) { var meta = _meta || _emberMetalMeta.peekMeta(obj); if (meta && !meta.isInitialized(obj)) { return; } var watching = meta && meta.peekWatching(keyName) > 0; var possibleDesc = obj[keyName]; var desc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; if (desc && desc.willChange) { desc.willChange(obj, keyName); } if (watching) { dependentKeysWillChange(obj, keyName, meta); chainsWillChange(obj, keyName, meta); notifyBeforeObservers(obj, keyName, meta); } } /** This function is called just after an object property has changed. It will notify any observers and clear caches among other things. Normally you will not need to call this method directly but if for some reason you can't directly watch a property you can invoke this method manually along with `Ember.propertyWillChange()` which you should call just before the property value changes. @method propertyDidChange @for Ember @param {Object} obj The object with the property that will change @param {String} keyName The property key (or path) that will change. @param {Meta} meta The objects meta. @return {void} @private */ function propertyDidChange(obj, keyName, _meta) { var meta = _meta || _emberMetalMeta.peekMeta(obj); if (meta && !meta.isInitialized(obj)) { return; } var watching = meta && meta.peekWatching(keyName) > 0; var possibleDesc = obj[keyName]; var desc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; // shouldn't this mean that we're watching this key? if (desc && desc.didChange) { desc.didChange(obj, keyName); } if (watching) { if (meta.hasDeps(keyName)) { dependentKeysDidChange(obj, keyName, meta); } chainsDidChange(obj, keyName, meta, false); notifyObservers(obj, keyName, meta); } if (obj[PROPERTY_DID_CHANGE]) { obj[PROPERTY_DID_CHANGE](keyName); } if (meta && meta.isSourceDestroying()) { return; } _emberMetalTags.markObjectAsDirty(meta, keyName); if (true || false) { _emberMetalTransaction.assertNotRendered(obj, keyName, meta); } } var WILL_SEEN = undefined, DID_SEEN = undefined; // called whenever a property is about to change to clear the cache of any dependent keys (and notify those properties of changes, etc...) function dependentKeysWillChange(obj, depKey, meta) { if (meta && meta.isSourceDestroying()) { return; } if (meta && meta.hasDeps(depKey)) { var seen = WILL_SEEN; var _top = !seen; if (_top) { seen = WILL_SEEN = {}; } iterDeps(propertyWillChange, obj, depKey, seen, meta); if (_top) { WILL_SEEN = null; } } } // called whenever a property has just changed to update dependent keys function dependentKeysDidChange(obj, depKey, meta) { if (meta && meta.isSourceDestroying()) { return; } if (meta && meta.hasDeps(depKey)) { var seen = DID_SEEN; var _top2 = !seen; if (_top2) { seen = DID_SEEN = {}; } iterDeps(propertyDidChange, obj, depKey, seen, meta); if (_top2) { DID_SEEN = null; } } } function iterDeps(method, obj, depKey, seen, meta) { var possibleDesc = undefined, desc = undefined; var guid = _emberUtils.guidFor(obj); var current = seen[guid]; if (!current) { current = seen[guid] = {}; } if (current[depKey]) { return; } current[depKey] = true; meta.forEachInDeps(depKey, function (key, value) { if (!value) { return; } possibleDesc = obj[key]; desc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; if (desc && desc._suspended === obj) { return; } method(obj, key, meta); }); } function chainsWillChange(obj, keyName, meta) { var chainWatchers = meta.readableChainWatchers(); if (chainWatchers) { chainWatchers.notify(keyName, false, propertyWillChange); } } function chainsDidChange(obj, keyName, meta) { var chainWatchers = meta.readableChainWatchers(); if (chainWatchers) { chainWatchers.notify(keyName, true, propertyDidChange); } } function overrideChains(obj, keyName, meta) { var chainWatchers = meta.readableChainWatchers(); if (chainWatchers) { chainWatchers.revalidate(keyName); } } /** @method beginPropertyChanges @chainable @private */ function beginPropertyChanges() { deferred++; } /** @method endPropertyChanges @private */ function endPropertyChanges() { deferred--; if (deferred <= 0) { beforeObserverSet.clear(); observerSet.flush(); } } /** Make a series of property changes together in an exception-safe way. ```javascript Ember.changeProperties(function() { obj1.set('foo', mayBlowUpWhenSet); obj2.set('bar', baz); }); ``` @method changeProperties @param {Function} callback @param [binding] @private */ function changeProperties(callback, binding) { beginPropertyChanges(); try { callback.call(binding); } finally { endPropertyChanges.call(binding); } } function notifyBeforeObservers(obj, keyName, meta) { if (meta && meta.isSourceDestroying()) { return; } var eventName = keyName + ':before'; var listeners = undefined, added = undefined; if (deferred) { listeners = beforeObserverSet.add(obj, keyName, eventName); added = _emberMetalEvents.accumulateListeners(obj, eventName, listeners); _emberMetalEvents.sendEvent(obj, eventName, [obj, keyName], added); } else { _emberMetalEvents.sendEvent(obj, eventName, [obj, keyName]); } } function notifyObservers(obj, keyName, meta) { if (meta && meta.isSourceDestroying()) { return; } var eventName = keyName + ':change'; var listeners = undefined; if (deferred) { listeners = observerSet.add(obj, keyName, eventName); _emberMetalEvents.accumulateListeners(obj, eventName, listeners); } else { _emberMetalEvents.sendEvent(obj, eventName, [obj, keyName]); } } exports.propertyWillChange = propertyWillChange; exports.propertyDidChange = propertyDidChange; exports.overrideChains = overrideChains; exports.beginPropertyChanges = beginPropertyChanges; exports.endPropertyChanges = endPropertyChanges; exports.changeProperties = changeProperties; }); enifed('ember-metal/property_get', ['exports', 'ember-metal/debug', 'ember-metal/path_cache'], function (exports, _emberMetalDebug, _emberMetalPath_cache) { /** @module ember-metal */ 'use strict'; exports.get = get; exports._getPath = _getPath; exports.getWithDefault = getWithDefault; var ALLOWABLE_TYPES = { object: true, function: true, string: true }; // .......................................................... // GET AND SET // // If we are on a platform that supports accessors we can use those. // Otherwise simulate accessors by looking up the property directly on the // object. /** Gets the value of a property on an object. If the property is computed, the function will be invoked. If the property is not defined but the object implements the `unknownProperty` method then that will be invoked. ```javascript Ember.get(obj, "name"); ``` If you plan to run on IE8 and older browsers then you should use this method anytime you want to retrieve a property on an object that you don't know for sure is private. (Properties beginning with an underscore '_' are considered private.) On all newer browsers, you only need to use this method to retrieve properties if the property might not be defined on the object and you want to respect the `unknownProperty` handler. Otherwise you can ignore this method. Note that if the object itself is `undefined`, this method will throw an error. @method get @for Ember @param {Object} obj The object to retrieve from. @param {String} keyName The property key to retrieve @return {Object} the property value or `null`. @public */ function get(obj, keyName) { _emberMetalDebug.assert('Get must be called with two arguments; an object and a property key', arguments.length === 2); _emberMetalDebug.assert('Cannot call get with \'' + keyName + '\' on an undefined object.', obj !== undefined && obj !== null); _emberMetalDebug.assert('The key provided to get must be a string, you passed ' + keyName, typeof keyName === 'string'); _emberMetalDebug.assert('\'this\' in paths is not supported', !_emberMetalPath_cache.hasThis(keyName)); var value = obj[keyName]; var desc = value !== null && typeof value === 'object' && value.isDescriptor ? value : undefined; var ret = undefined; if (desc === undefined && _emberMetalPath_cache.isPath(keyName)) { return _getPath(obj, keyName); } if (desc) { return desc.get(obj, keyName); } else { ret = value; if (ret === undefined && 'object' === typeof obj && !(keyName in obj) && 'function' === typeof obj.unknownProperty) { return obj.unknownProperty(keyName); } return ret; } } function _getPath(root, path) { var obj = root; var parts = path.split('.'); for (var i = 0; i < parts.length; i++) { if (!isGettable(obj)) { return undefined; } obj = get(obj, parts[i]); if (obj && obj.isDestroyed) { return undefined; } } return obj; } function isGettable(obj) { if (obj == null) { return false; } return ALLOWABLE_TYPES[typeof obj]; } /** Retrieves the value of a property from an Object, or a default value in the case that the property returns `undefined`. ```javascript Ember.getWithDefault(person, 'lastName', 'Doe'); ``` @method getWithDefault @for Ember @param {Object} obj The object to retrieve from. @param {String} keyName The name of the property to retrieve @param {Object} defaultValue The value to return if the property value is undefined @return {Object} The property value or the defaultValue. @public */ function getWithDefault(root, key, defaultValue) { var value = get(root, key); if (value === undefined) { return defaultValue; } return value; } exports.default = get; }); enifed('ember-metal/property_set', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/features', 'ember-metal/property_get', 'ember-metal/property_events', 'ember-metal/error', 'ember-metal/path_cache', 'ember-metal/meta'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalFeatures, _emberMetalProperty_get, _emberMetalProperty_events, _emberMetalError, _emberMetalPath_cache, _emberMetalMeta) { 'use strict'; exports.set = set; exports.trySet = trySet; /** Sets the value of a property on an object, respecting computed properties and notifying observers and other listeners of the change. If the property is not defined but the object implements the `setUnknownProperty` method then that will be invoked as well. ```javascript Ember.set(obj, "name", value); ``` @method set @for Ember @param {Object} obj The object to modify. @param {String} keyName The property key to set @param {Object} value The value to set @return {Object} the passed value. @public */ function set(obj, keyName, value, tolerant) { _emberMetalDebug.assert('Set must be called with three or four arguments; an object, a property key, a value and tolerant true/false', arguments.length === 3 || arguments.length === 4); _emberMetalDebug.assert('Cannot call set with \'' + keyName + '\' on an undefined object.', obj && typeof obj === 'object' || typeof obj === 'function'); _emberMetalDebug.assert('The key provided to set must be a string, you passed ' + keyName, typeof keyName === 'string'); _emberMetalDebug.assert('\'this\' in paths is not supported', !_emberMetalPath_cache.hasThis(keyName)); _emberMetalDebug.assert('calling set on destroyed object: ' + _emberUtils.toString(obj) + '.' + keyName + ' = ' + _emberUtils.toString(value), !obj.isDestroyed); if (_emberMetalPath_cache.isPath(keyName)) { return setPath(obj, keyName, value, tolerant); } var meta = _emberMetalMeta.peekMeta(obj); var possibleDesc = obj[keyName]; var desc = undefined, currentValue = undefined; if (possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor) { desc = possibleDesc; } else { currentValue = possibleDesc; } if (desc) { /* computed property */ desc.set(obj, keyName, value); } else if (obj.setUnknownProperty && currentValue === undefined && !(keyName in obj)) { /* unknown property */ _emberMetalDebug.assert('setUnknownProperty must be a function', typeof obj.setUnknownProperty === 'function'); obj.setUnknownProperty(keyName, value); } else if (currentValue === value) { /* no change */ return value; } else { _emberMetalProperty_events.propertyWillChange(obj, keyName); if (true) { setWithMandatorySetter(meta, obj, keyName, value); } else { obj[keyName] = value; } _emberMetalProperty_events.propertyDidChange(obj, keyName); } return value; } if (true) { var setWithMandatorySetter = function (meta, obj, keyName, value) { if (meta && meta.peekWatching(keyName) > 0) { makeEnumerable(obj, keyName); meta.writeValue(obj, keyName, value); } else { obj[keyName] = value; } }; var makeEnumerable = function (obj, key) { var desc = Object.getOwnPropertyDescriptor(obj, key); if (desc && desc.set && desc.set.isMandatorySetter) { desc.enumerable = true; Object.defineProperty(obj, key, desc); } }; } function setPath(root, path, value, tolerant) { // get the last part of the path var keyName = path.slice(path.lastIndexOf('.') + 1); // get the first part of the part path = path === keyName ? keyName : path.slice(0, path.length - (keyName.length + 1)); // unless the path is this, look up the first part to // get the root if (path !== 'this') { root = _emberMetalProperty_get._getPath(root, path); } if (!keyName || keyName.length === 0) { throw new _emberMetalError.default('Property set failed: You passed an empty path'); } if (!root) { if (tolerant) { return; } else { throw new _emberMetalError.default('Property set failed: object in path "' + path + '" could not be found or was destroyed.'); } } return set(root, keyName, value); } /** Error-tolerant form of `Ember.set`. Will not blow up if any part of the chain is `undefined`, `null`, or destroyed. This is primarily used when syncing bindings, which may try to update after an object has been destroyed. @method trySet @for Ember @param {Object} root The object to modify. @param {String} path The property path to set @param {Object} value The value to set @public */ function trySet(root, path, value) { return set(root, path, value, true); } }); enifed("ember-metal/replace", ["exports"], function (exports) { "use strict"; exports.default = replace; var splice = Array.prototype.splice; function replace(array, idx, amt, objects) { var args = [].concat(objects); var ret = []; // https://code.google.com/p/chromium/issues/detail?id=56588 var size = 60000; var start = idx; var ends = amt; var count = undefined, chunk = undefined; while (args.length) { count = ends > size ? size : ends; if (count <= 0) { count = 0; } chunk = args.splice(0, size); chunk = [start, count].concat(chunk); start += size; ends -= count; ret = ret.concat(splice.apply(array, chunk)); } return ret; } }); enifed('ember-metal/run_loop', ['exports', 'ember-utils', 'ember-metal/debug', 'ember-metal/testing', 'ember-metal/error_handler', 'ember-metal/property_events', 'backburner'], function (exports, _emberUtils, _emberMetalDebug, _emberMetalTesting, _emberMetalError_handler, _emberMetalProperty_events, _backburner) { 'use strict'; exports.default = run; function onBegin(current) { run.currentRunLoop = current; } function onEnd(current, next) { run.currentRunLoop = next; } var onErrorTarget = { get onerror() { return _emberMetalError_handler.getOnerror(); }, set onerror(handler) { return _emberMetalError_handler.setOnerror(handler); } }; var backburner = new _backburner.default(['sync', 'actions', 'destroy'], { GUID_KEY: _emberUtils.GUID_KEY, sync: { before: _emberMetalProperty_events.beginPropertyChanges, after: _emberMetalProperty_events.endPropertyChanges }, defaultQueue: 'actions', onBegin: onBegin, onEnd: onEnd, onErrorTarget: onErrorTarget, onErrorMethod: 'onerror' }); // .......................................................... // run - this is ideally the only public API the dev sees // /** Runs the passed target and method inside of a RunLoop, ensuring any deferred actions including bindings and views updates are flushed at the end. Normally you should not need to invoke this method yourself. However if you are implementing raw event handlers when interfacing with other libraries or plugins, you should probably wrap all of your code inside this call. ```javascript run(function() { // code to be executed within a RunLoop }); ``` @class run @namespace Ember @static @constructor @param {Object} [target] target of method to call @param {Function|String} method Method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target. @param {Object} [args*] Any additional arguments you wish to pass to the method. @return {Object} return value from invoking the passed function. @public */ function run() { return backburner.run.apply(backburner, arguments); } /** If no run-loop is present, it creates a new one. If a run loop is present it will queue itself to run on the existing run-loops action queue. Please note: This is not for normal usage, and should be used sparingly. If invoked when not within a run loop: ```javascript run.join(function() { // creates a new run-loop }); ``` Alternatively, if called within an existing run loop: ```javascript run(function() { // creates a new run-loop run.join(function() { // joins with the existing run-loop, and queues for invocation on // the existing run-loops action queue. }); }); ``` @method join @namespace Ember @param {Object} [target] target of method to call @param {Function|String} method Method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target. @param {Object} [args*] Any additional arguments you wish to pass to the method. @return {Object} Return value from invoking the passed function. Please note, when called within an existing loop, no return value is possible. @public */ run.join = function () { return backburner.join.apply(backburner, arguments); }; /** Allows you to specify which context to call the specified function in while adding the execution of that function to the Ember run loop. This ability makes this method a great way to asynchronously integrate third-party libraries into your Ember application. `run.bind` takes two main arguments, the desired context and the function to invoke in that context. Any additional arguments will be supplied as arguments to the function that is passed in. Let's use the creation of a TinyMCE component as an example. Currently, TinyMCE provides a setup configuration option we can use to do some processing after the TinyMCE instance is initialized but before it is actually rendered. We can use that setup option to do some additional setup for our component. The component itself could look something like the following: ```javascript App.RichTextEditorComponent = Ember.Component.extend({ initializeTinyMCE: Ember.on('didInsertElement', function() { tinymce.init({ selector: '#' + this.$().prop('id'), setup: Ember.run.bind(this, this.setupEditor) }); }), setupEditor: function(editor) { this.set('editor', editor); editor.on('change', function() { console.log('content changed!'); }); } }); ``` In this example, we use Ember.run.bind to bind the setupEditor method to the context of the App.RichTextEditorComponent and to have the invocation of that method be safely handled and executed by the Ember run loop. @method bind @namespace Ember @param {Object} [target] target of method to call @param {Function|String} method Method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target. @param {Object} [args*] Any additional arguments you wish to pass to the method. @return {Function} returns a new function that will always have a particular context @since 1.4.0 @public */ run.bind = function () { for (var _len = arguments.length, curried = Array(_len), _key = 0; _key < _len; _key++) { curried[_key] = arguments[_key]; } return function () { for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { args[_key2] = arguments[_key2]; } return run.join.apply(run, curried.concat(args)); }; }; run.backburner = backburner; run.currentRunLoop = null; run.queues = backburner.queueNames; /** Begins a new RunLoop. Any deferred actions invoked after the begin will be buffered until you invoke a matching call to `run.end()`. This is a lower-level way to use a RunLoop instead of using `run()`. ```javascript run.begin(); // code to be executed within a RunLoop run.end(); ``` @method begin @return {void} @public */ run.begin = function () { backburner.begin(); }; /** Ends a RunLoop. This must be called sometime after you call `run.begin()` to flush any deferred actions. This is a lower-level way to use a RunLoop instead of using `run()`. ```javascript run.begin(); // code to be executed within a RunLoop run.end(); ``` @method end @return {void} @public */ run.end = function () { backburner.end(); }; /** Array of named queues. This array determines the order in which queues are flushed at the end of the RunLoop. You can define your own queues by simply adding the queue name to this array. Normally you should not need to inspect or modify this property. @property queues @type Array @default ['sync', 'actions', 'destroy'] @private */ /** Adds the passed target/method and any optional arguments to the named queue to be executed at the end of the RunLoop. If you have not already started a RunLoop when calling this method one will be started for you automatically. At the end of a RunLoop, any methods scheduled in this way will be invoked. Methods will be invoked in an order matching the named queues defined in the `run.queues` property. ```javascript run.schedule('sync', this, function() { // this will be executed in the first RunLoop queue, when bindings are synced console.log('scheduled on sync queue'); }); run.schedule('actions', this, function() { // this will be executed in the 'actions' queue, after bindings have synced. console.log('scheduled on actions queue'); }); // Note the functions will be run in order based on the run queues order. // Output would be: // scheduled on sync queue // scheduled on actions queue ``` @method schedule @param {String} queue The name of the queue to schedule against. Default queues are 'sync' and 'actions' @param {Object} [target] target object to use as the context when invoking a method. @param {String|Function} method The method to invoke. If you pass a string it will be resolved on the target object at the time the scheduled item is invoked allowing you to change the target function. @param {Object} [arguments*] Optional arguments to be passed to the queued method. @return {void} @public */ run.schedule = function () /* queue, target, method */{ _emberMetalDebug.assert('You have turned on testing mode, which disabled the run-loop\'s autorun. ' + 'You will need to wrap any code with asynchronous side-effects in a run', run.currentRunLoop || !_emberMetalTesting.isTesting()); backburner.schedule.apply(backburner, arguments); }; // Used by global test teardown run.hasScheduledTimers = function () { return backburner.hasTimers(); }; // Used by global test teardown run.cancelTimers = function () { backburner.cancelTimers(); }; /** Immediately flushes any events scheduled in the 'sync' queue. Bindings use this queue so this method is a useful way to immediately force all bindings in the application to sync. You should call this method anytime you need any changed state to propagate throughout the app immediately without repainting the UI (which happens in the later 'render' queue added by the `ember-views` package). ```javascript run.sync(); ``` @method sync @return {void} @private */ run.sync = function () { if (backburner.currentInstance) { backburner.currentInstance.queues.sync.flush(); } }; /** Invokes the passed target/method and optional arguments after a specified period of time. The last parameter of this method must always be a number of milliseconds. You should use this method whenever you need to run some action after a period of time instead of using `setTimeout()`. This method will ensure that items that expire during the same script execution cycle all execute together, which is often more efficient than using a real setTimeout. ```javascript run.later(myContext, function() { // code here will execute within a RunLoop in about 500ms with this == myContext }, 500); ``` @method later @param {Object} [target] target of method to invoke @param {Function|String} method The method to invoke. If you pass a string it will be resolved on the target at the time the method is invoked. @param {Object} [args*] Optional arguments to pass to the timeout. @param {Number} wait Number of milliseconds to wait. @return {*} Timer information for use in cancelling, see `run.cancel`. @public */ run.later = function () /*target, method*/{ return backburner.later.apply(backburner, arguments); }; /** Schedule a function to run one time during the current RunLoop. This is equivalent to calling `scheduleOnce` with the "actions" queue. @method once @param {Object} [target] The target of the method to invoke. @param {Function|String} method The method to invoke. If you pass a string it will be resolved on the target at the time the method is invoked. @param {Object} [args*] Optional arguments to pass to the timeout. @return {Object} Timer information for use in cancelling, see `run.cancel`. @public */ run.once = function () { _emberMetalDebug.assert('You have turned on testing mode, which disabled the run-loop\'s autorun. ' + 'You will need to wrap any code with asynchronous side-effects in a run', run.currentRunLoop || !_emberMetalTesting.isTesting()); for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { args[_key3] = arguments[_key3]; } args.unshift('actions'); return backburner.scheduleOnce.apply(backburner, args); }; /** Schedules a function to run one time in a given queue of the current RunLoop. Calling this method with the same queue/target/method combination will have no effect (past the initial call). Note that although you can pass optional arguments these will not be considered when looking for duplicates. New arguments will replace previous calls. ```javascript function sayHi() { console.log('hi'); } run(function() { run.scheduleOnce('afterRender', myContext, sayHi); run.scheduleOnce('afterRender', myContext, sayHi); // sayHi will only be executed once, in the afterRender queue of the RunLoop }); ``` Also note that passing an anonymous function to `run.scheduleOnce` will not prevent additional calls with an identical anonymous function from scheduling the items multiple times, e.g.: ```javascript function scheduleIt() { run.scheduleOnce('actions', myContext, function() { console.log('Closure'); }); } scheduleIt(); scheduleIt(); // "Closure" will print twice, even though we're using `run.scheduleOnce`, // because the function we pass to it is anonymous and won't match the // previously scheduled operation. ``` Available queues, and their order, can be found at `run.queues` @method scheduleOnce @param {String} [queue] The name of the queue to schedule against. Default queues are 'sync' and 'actions'. @param {Object} [target] The target of the method to invoke. @param {Function|String} method The method to invoke. If you pass a string it will be resolved on the target at the time the method is invoked. @param {Object} [args*] Optional arguments to pass to the timeout. @return {Object} Timer information for use in cancelling, see `run.cancel`. @public */ run.scheduleOnce = function () /*queue, target, method*/{ _emberMetalDebug.assert('You have turned on testing mode, which disabled the run-loop\'s autorun. ' + 'You will need to wrap any code with asynchronous side-effects in a run', run.currentRunLoop || !_emberMetalTesting.isTesting()); return backburner.scheduleOnce.apply(backburner, arguments); }; /** Schedules an item to run from within a separate run loop, after control has been returned to the system. This is equivalent to calling `run.later` with a wait time of 1ms. ```javascript run.next(myContext, function() { // code to be executed in the next run loop, // which will be scheduled after the current one }); ``` Multiple operations scheduled with `run.next` will coalesce into the same later run loop, along with any other operations scheduled by `run.later` that expire right around the same time that `run.next` operations will fire. Note that there are often alternatives to using `run.next`. For instance, if you'd like to schedule an operation to happen after all DOM element operations have completed within the current run loop, you can make use of the `afterRender` run loop queue (added by the `ember-views` package, along with the preceding `render` queue where all the DOM element operations happen). Example: ```javascript export default Ember.Component.extend({ didInsertElement() { this._super(...arguments); run.scheduleOnce('afterRender', this, 'processChildElements'); }, processChildElements() { // ... do something with component's child component // elements after they've finished rendering, which // can't be done within this component's // `didInsertElement` hook because that gets run // before the child elements have been added to the DOM. } }); ``` One benefit of the above approach compared to using `run.next` is that you will be able to perform DOM/CSS operations before unprocessed elements are rendered to the screen, which may prevent flickering or other artifacts caused by delaying processing until after rendering. The other major benefit to the above approach is that `run.next` introduces an element of non-determinism, which can make things much harder to test, due to its reliance on `setTimeout`; it's much harder to guarantee the order of scheduled operations when they are scheduled outside of the current run loop, i.e. with `run.next`. @method next @param {Object} [target] target of method to invoke @param {Function|String} method The method to invoke. If you pass a string it will be resolved on the target at the time the method is invoked. @param {Object} [args*] Optional arguments to pass to the timeout. @return {Object} Timer information for use in cancelling, see `run.cancel`. @public */ run.next = function () { for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { args[_key4] = arguments[_key4]; } args.push(1); return backburner.later.apply(backburner, args); }; /** Cancels a scheduled item. Must be a value returned by `run.later()`, `run.once()`, `run.scheduleOnce()`, `run.next()`, `run.debounce()`, or `run.throttle()`. ```javascript let runNext = run.next(myContext, function() { // will not be executed }); run.cancel(runNext); let runLater = run.later(myContext, function() { // will not be executed }, 500); run.cancel(runLater); let runScheduleOnce = run.scheduleOnce('afterRender', myContext, function() { // will not be executed }); run.cancel(runScheduleOnce); let runOnce = run.once(myContext, function() { // will not be executed }); run.cancel(runOnce); let throttle = run.throttle(myContext, function() { // will not be executed }, 1, false); run.cancel(throttle); let debounce = run.debounce(myContext, function() { // will not be executed }, 1); run.cancel(debounce); let debounceImmediate = run.debounce(myContext, function() { // will be executed since we passed in true (immediate) }, 100, true); // the 100ms delay until this method can be called again will be cancelled run.cancel(debounceImmediate); ``` @method cancel @param {Object} timer Timer object to cancel @return {Boolean} true if cancelled or false/undefined if it wasn't found @public */ run.cancel = function (timer) { return backburner.cancel(timer); }; /** Delay calling the target method until the debounce period has elapsed with no additional debounce calls. If `debounce` is called again before the specified time has elapsed, the timer is reset and the entire period must pass again before the target method is called. This method should be used when an event may be called multiple times but the action should only be called once when the event is done firing. A common example is for scroll events where you only want updates to happen once scrolling has ceased. ```javascript function whoRan() { console.log(this.name + ' ran.'); } let myContext = { name: 'debounce' }; run.debounce(myContext, whoRan, 150); // less than 150ms passes run.debounce(myContext, whoRan, 150); // 150ms passes // whoRan is invoked with context myContext // console logs 'debounce ran.' one time. ``` Immediate allows you to run the function immediately, but debounce other calls for this function until the wait time has elapsed. If `debounce` is called again before the specified time has elapsed, the timer is reset and the entire period must pass again before the method can be called again. ```javascript function whoRan() { console.log(this.name + ' ran.'); } let myContext = { name: 'debounce' }; run.debounce(myContext, whoRan, 150, true); // console logs 'debounce ran.' one time immediately. // 100ms passes run.debounce(myContext, whoRan, 150, true); // 150ms passes and nothing else is logged to the console and // the debouncee is no longer being watched run.debounce(myContext, whoRan, 150, true); // console logs 'debounce ran.' one time immediately. // 150ms passes and nothing else is logged to the console and // the debouncee is no longer being watched ``` @method debounce @param {Object} [target] target of method to invoke @param {Function|String} method The method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target. @param {Object} [args*] Optional arguments to pass to the timeout. @param {Number} wait Number of milliseconds to wait. @param {Boolean} immediate Trigger the function on the leading instead of the trailing edge of the wait interval. Defaults to false. @return {Array} Timer information for use in cancelling, see `run.cancel`. @public */ run.debounce = function () { return backburner.debounce.apply(backburner, arguments); }; /** Ensure that the target method is never called more frequently than the specified spacing period. The target method is called immediately. ```javascript function whoRan() { console.log(this.name + ' ran.'); } let myContext = { name: 'throttle' }; run.throttle(myContext, whoRan, 150); // whoRan is invoked with context myContext // console logs 'throttle ran.' // 50ms passes run.throttle(myContext, whoRan, 150); // 50ms passes run.throttle(myContext, whoRan, 150); // 150ms passes run.throttle(myContext, whoRan, 150); // whoRan is invoked with context myContext // console logs 'throttle ran.' ``` @method throttle @param {Object} [target] target of method to invoke @param {Function|String} method The method to invoke. May be a function or a string. If you pass a string then it will be looked up on the passed target. @param {Object} [args*] Optional arguments to pass to the timeout. @param {Number} spacing Number of milliseconds to space out requests. @param {Boolean} immediate Trigger the function on the leading instead of the trailing edge of the wait interval. Defaults to true. @return {Array} Timer information for use in cancelling, see `run.cancel`. @public */ run.throttle = function () { return backburner.throttle.apply(backburner, arguments); }; /** Add a new named queue after the specified queue. The queue to add will only be added once. @method _addQueue @param {String} name the name of the queue to add. @param {String} after the name of the queue to add after. @private */ run._addQueue = function (name, after) { if (run.queues.indexOf(name) === -1) { run.queues.splice(run.queues.indexOf(after) + 1, 0, name); } }; }); enifed('ember-metal/set_properties', ['exports', 'ember-metal/property_events', 'ember-metal/property_set'], function (exports, _emberMetalProperty_events, _emberMetalProperty_set) { 'use strict'; exports.default = setProperties; /** Set a list of properties on an object. These properties are set inside a single `beginPropertyChanges` and `endPropertyChanges` batch, so observers will be buffered. ```javascript let anObject = Ember.Object.create(); anObject.setProperties({ firstName: 'Stanley', lastName: 'Stuart', age: 21 }); ``` @method setProperties @param obj @param {Object} properties @return properties @public */ function setProperties(obj, properties) { if (!properties || typeof properties !== 'object') { return properties; } _emberMetalProperty_events.changeProperties(function () { var props = Object.keys(properties); var propertyName = undefined; for (var i = 0; i < props.length; i++) { propertyName = props[i]; _emberMetalProperty_set.set(obj, propertyName, properties[propertyName]); } }); return properties; } }); enifed('ember-metal/tags', ['exports', 'glimmer-reference', 'ember-metal/meta', 'require', 'ember-metal/is_proxy'], function (exports, _glimmerReference, _emberMetalMeta, _require, _emberMetalIs_proxy) { 'use strict'; exports.setHasViews = setHasViews; exports.tagForProperty = tagForProperty; exports.tagFor = tagFor; exports.markObjectAsDirty = markObjectAsDirty; var hasViews = function () { return false; }; function setHasViews(fn) { hasViews = fn; } function makeTag() { return new _glimmerReference.DirtyableTag(); } function tagForProperty(object, propertyKey, _meta) { if (_emberMetalIs_proxy.isProxy(object)) { return tagFor(object, _meta); } if (typeof object === 'object' && object) { var meta = _meta || _emberMetalMeta.meta(object); var tags = meta.writableTags(); var tag = tags[propertyKey]; if (tag) { return tag; } return tags[propertyKey] = makeTag(); } else { return _glimmerReference.CONSTANT_TAG; } } function tagFor(object, _meta) { if (typeof object === 'object' && object) { var meta = _meta || _emberMetalMeta.meta(object); return meta.writableTag(makeTag); } else { return _glimmerReference.CONSTANT_TAG; } } function markObjectAsDirty(meta, propertyKey) { var objectTag = meta && meta.readableTag(); if (objectTag) { objectTag.dirty(); } var tags = meta && meta.readableTags(); var propertyTag = tags && tags[propertyKey]; if (propertyTag) { propertyTag.dirty(); } if (objectTag || propertyTag) { ensureRunloop(); } } var run = undefined; function K() {} function ensureRunloop() { if (!run) { run = _require.default('ember-metal/run_loop').default; } if (hasViews() && !run.backburner.currentInstance) { run.schedule('actions', K); } } }); enifed("ember-metal/testing", ["exports"], function (exports) { "use strict"; exports.isTesting = isTesting; exports.setTesting = setTesting; var testing = false; function isTesting() { return testing; } function setTesting(value) { testing = !!value; } }); enifed('ember-metal/transaction', ['exports', 'ember-metal/meta', 'ember-metal/debug', 'ember-metal/features'], function (exports, _emberMetalMeta, _emberMetalDebug, _emberMetalFeatures) { 'use strict'; var runInTransaction = undefined, didRender = undefined, assertNotRendered = undefined; var raise = _emberMetalDebug.assert; if (false) { raise = function (message, test) { _emberMetalDebug.deprecate(message, test, { id: 'ember-views.render-double-modify', until: '3.0.0' }); }; } var implication = undefined; if (false) { implication = 'will be removed in Ember 3.0.'; } else if (true) { implication = 'is no longer supported. See https://github.com/emberjs/ember.js/issues/13948 for more details.'; } if (true || false) { (function () { var counter = 0; var inTransaction = false; var shouldReflush = undefined; exports.default = runInTransaction = function (context, methodName) { shouldReflush = false; inTransaction = true; context[methodName](); inTransaction = false; counter++; return shouldReflush; }; exports.didRender = didRender = function (object, key, reference) { if (!inTransaction) { return; } var meta = _emberMetalMeta.meta(object); var lastRendered = meta.writableLastRendered(); lastRendered[key] = counter; _emberMetalDebug.runInDebug(function () { var lastRenderedFrom = meta.writableLastRenderedFrom(); lastRenderedFrom[key] = reference; }); }; exports.assertNotRendered = assertNotRendered = function (object, key, _meta) { var meta = _meta || _emberMetalMeta.meta(object); var lastRendered = meta.readableLastRendered(); if (lastRendered && lastRendered[key] === counter) { raise((function () { var ref = meta.readableLastRenderedFrom(); var parts = []; var lastRef = ref[key]; var label = undefined; if (lastRef) { while (lastRef && lastRef._propertyKey) { parts.unshift(lastRef._propertyKey); lastRef = lastRef._parentReference; } label = parts.join(); } else { label = 'the same value'; } return 'You modified ' + parts.join('.') + ' twice on ' + object + ' in a single render. This was unreliable and slow in Ember 1.x and ' + implication; })(), false); shouldReflush = true; } }; })(); } else { exports.default = runInTransaction = function () { throw new Error('Cannot call runInTransaction without Glimmer'); }; exports.didRender = didRender = function () { throw new Error('Cannot call didRender without Glimmer'); }; exports.assertNotRendered = assertNotRendered = function () { throw new Error('Cannot call assertNotRendered without Glimmer'); }; } exports.default = runInTransaction; exports.didRender = didRender; exports.assertNotRendered = assertNotRendered; }); enifed('ember-metal/watch_key', ['exports', 'ember-utils', 'ember-metal/features', 'ember-metal/meta', 'ember-metal/properties'], function (exports, _emberUtils, _emberMetalFeatures, _emberMetalMeta, _emberMetalProperties) { 'use strict'; exports.watchKey = watchKey; exports.unwatchKey = unwatchKey; var handleMandatorySetter = undefined; function watchKey(obj, keyName, meta) { var m = meta || _emberMetalMeta.meta(obj); // activate watching first time if (!m.peekWatching(keyName)) { m.writeWatching(keyName, 1); var possibleDesc = obj[keyName]; var desc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; if (desc && desc.willWatch) { desc.willWatch(obj, keyName); } if ('function' === typeof obj.willWatchProperty) { obj.willWatchProperty(keyName); } if (true) { // NOTE: this is dropped for prod + minified builds handleMandatorySetter(m, obj, keyName); } } else { m.writeWatching(keyName, (m.peekWatching(keyName) || 0) + 1); } } if (true) { (function () { var hasOwnProperty = function (obj, key) { return Object.prototype.hasOwnProperty.call(obj, key); }; var propertyIsEnumerable = function (obj, key) { return Object.prototype.propertyIsEnumerable.call(obj, key); }; // Future traveler, although this code looks scary. It merely exists in // development to aid in development asertions. Production builds of // ember strip this entire block out handleMandatorySetter = function handleMandatorySetter(m, obj, keyName) { var descriptor = _emberUtils.lookupDescriptor(obj, keyName); var configurable = descriptor ? descriptor.configurable : true; var isWritable = descriptor ? descriptor.writable : true; var hasValue = descriptor ? 'value' in descriptor : true; var possibleDesc = descriptor && descriptor.value; var isDescriptor = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor; if (isDescriptor) { return; } // this x in Y deopts, so keeping it in this function is better; if (configurable && isWritable && hasValue && keyName in obj) { var desc = { configurable: true, set: _emberMetalProperties.MANDATORY_SETTER_FUNCTION(keyName), enumerable: propertyIsEnumerable(obj, keyName), get: undefined }; if (hasOwnProperty(obj, keyName)) { m.writeValues(keyName, obj[keyName]); desc.get = _emberMetalProperties.DEFAULT_GETTER_FUNCTION(keyName); } else { desc.get = _emberMetalProperties.INHERITING_GETTER_FUNCTION(keyName); } Object.defineProperty(obj, keyName, desc); } }; })(); } function unwatchKey(obj, keyName, _meta) { var meta = _meta || _emberMetalMeta.meta(obj); // do nothing of this object has already been destroyed if (meta.isSourceDestroyed()) { return; } var count = meta.peekWatching(keyName); if (count === 1) { meta.writeWatching(keyName, 0); var possibleDesc = obj[keyName]; var desc = possibleDesc !== null && typeof possibleDesc === 'object' && possibleDesc.isDescriptor ? possibleDesc : undefined; if (desc && desc.didUnwatch) { desc.didUnwatch(obj, keyName); } if ('function' === typeof obj.didUnwatchProperty) { obj.didUnwatchProperty(keyName); } if (true) { // It is true, the following code looks quite WAT. But have no fear, It // exists purely to improve development ergonomics and is removed from // ember.min.js and ember.prod.js builds. // // Some further context: Once a property is watched by ember, bypassing `set` // for mutation, will bypass observation. This code exists to assert when // that occurs, and attempt to provide more helpful feedback. The alternative // is tricky to debug partially observable properties. if (!desc && keyName in obj) { var maybeMandatoryDescriptor = _emberUtils.lookupDescriptor(obj, keyName); if (maybeMandatoryDescriptor.set && maybeMandatoryDescriptor.set.isMandatorySetter) { if (maybeMandatoryDescriptor.get && maybeMandatoryDescriptor.get.isInheritingGetter) { var possibleValue = meta.readInheritedValue('values', keyName); if (possibleValue === _emberMetalMeta.UNDEFINED) { delete obj[keyName]; return; } } Object.defineProperty(obj, keyName, { configurable: true, enumerable: Object.prototype.propertyIsEnumerable.call(obj, keyName), writable: true, value: meta.peekValues(keyName) }); meta.deleteFromValues(keyName); } } } } else if (count > 1) { meta.writeWatching(keyName, count - 1); } } }); enifed('ember-metal/watch_path', ['exports', 'ember-metal/meta', 'ember-metal/chains'], function (exports, _emberMetalMeta, _emberMetalChains) { 'use strict'; exports.makeChainNode = makeChainNode; exports.watchPath = watchPath; exports.unwatchPath = unwatchPath; // get the chains for the current object. If the current object has // chains inherited from the proto they will be cloned and reconfigured for // the current object. function chainsFor(obj, meta) { return (meta || _emberMetalMeta.meta(obj)).writableChains(makeChainNode); } function makeChainNode(obj) { return new _emberMetalChains.ChainNode(null, null, obj); } function watchPath(obj, keyPath, meta) { var m = meta || _emberMetalMeta.meta(obj); var counter = m.peekWatching(keyPath) || 0; if (!counter) { // activate watching first time m.writeWatching(keyPath, 1); chainsFor(obj, m).add(keyPath); } else { m.writeWatching(keyPath, counter + 1); } } function unwatchPath(obj, keyPath, meta) { var m = meta || _emberMetalMeta.meta(obj); var counter = m.peekWatching(keyPath) || 0; if (counter === 1) { m.writeWatching(keyPath, 0); chainsFor(obj, m).remove(keyPath); } else if (counter > 1) { m.writeWatching(keyPath, counter - 1); } } }); enifed('ember-metal/watching', ['exports', 'ember-metal/watch_key', 'ember-metal/watch_path', 'ember-metal/path_cache', 'ember-metal/meta'], function (exports, _emberMetalWatch_key, _emberMetalWatch_path, _emberMetalPath_cache, _emberMetalMeta) { /** @module ember-metal */ 'use strict'; exports.isWatching = isWatching; exports.watcherCount = watcherCount; exports.unwatch = unwatch; exports.destroy = destroy; /** Starts watching a property on an object. Whenever the property changes, invokes `Ember.propertyWillChange` and `Ember.propertyDidChange`. This is the primitive used by observers and dependent keys; usually you will never call this method directly but instead use higher level methods like `Ember.addObserver()` @private @method watch @for Ember @param obj @param {String} _keyPath */ function watch(obj, _keyPath, m) { if (!_emberMetalPath_cache.isPath(_keyPath)) { _emberMetalWatch_key.watchKey(obj, _keyPath, m); } else { _emberMetalWatch_path.watchPath(obj, _keyPath, m); } } exports.watch = watch; function isWatching(obj, key) { var meta = _emberMetalMeta.peekMeta(obj); return (meta && meta.peekWatching(key)) > 0; } function watcherCount(obj, key) { var meta = _emberMetalMeta.peekMeta(obj); return meta && meta.peekWatching(key) || 0; } function unwatch(obj, _keyPath, m) { if (!_emberMetalPath_cache.isPath(_keyPath)) { _emberMetalWatch_key.unwatchKey(obj, _keyPath, m); } else { _emberMetalWatch_path.unwatchPath(obj, _keyPath, m); } } /** Tears down the meta on an object so that it can be garbage collected. Multiple calls will have no effect. @method destroy @for Ember @param {Object} obj the object to destroy @return {void} @private */ function destroy(obj) { _emberMetalMeta.deleteMeta(obj); } }); enifed('ember-metal/weak_map', ['exports', 'ember-utils', 'ember-metal/meta'], function (exports, _emberUtils, _emberMetalMeta) { 'use strict'; exports.default = WeakMap; var id = 0; // Returns whether Type(value) is Object according to the terminology in the spec function isObject(value) { return typeof value === 'object' && value !== null || typeof value === 'function'; } /* * @class Ember.WeakMap * @public * @category ember-metal-weakmap * * A partial polyfill for [WeakMap](http://www.ecma-international.org/ecma-262/6.0/#sec-weakmap-objects). * * There is a small but important caveat. This implementation assumes that the * weak map will live longer (in the sense of garbage collection) than all of its * keys, otherwise it is possible to leak the values stored in the weak map. In * practice, most use cases satisfy this limitation which is why it is included * in ember-metal. */ function WeakMap(iterable) { if (!(this instanceof WeakMap)) { throw new TypeError('Constructor WeakMap requires \'new\''); } this._id = _emberUtils.GUID_KEY + id++; if (iterable === null || iterable === undefined) { return; } else if (Array.isArray(iterable)) { for (var i = 0; i < iterable.length; i++) { var _iterable$i = iterable[i]; var key = _iterable$i[0]; var value = _iterable$i[1]; this.set(key, value); } } else { throw new TypeError('The weak map constructor polyfill only supports an array argument'); } } /* * @method get * @param key {Object | Function} * @return {Any} stored value */ WeakMap.prototype.get = function (obj) { if (!isObject(obj)) { return undefined; } var meta = _emberMetalMeta.peekMeta(obj); if (meta) { var map = meta.readableWeak(); if (map) { if (map[this._id] === _emberMetalMeta.UNDEFINED) { return undefined; } return map[this._id]; } } }; /* * @method set * @param key {Object | Function} * @param value {Any} * @return {WeakMap} the weak map */ WeakMap.prototype.set = function (obj, value) { if (!isObject(obj)) { throw new TypeError('Invalid value used as weak map key'); } if (value === undefined) { value = _emberMetalMeta.UNDEFINED; } _emberMetalMeta.meta(obj).writableWeak()[this._id] = value; return this; }; /* * @method has * @param key {Object | Function} * @return {boolean} if the key exists */ WeakMap.prototype.has = function (obj) { if (!isObject(obj)) { return false; } var meta = _emberMetalMeta.peekMeta(obj); if (meta) { var map = meta.readableWeak(); if (map) { return map[this._id] !== undefined; } } return false; }; /* * @method delete * @param key {Object | Function} * @return {boolean} if the key was deleted */ WeakMap.prototype.delete = function (obj) { if (this.has(obj)) { delete _emberMetalMeta.meta(obj).writableWeak()[this._id]; return true; } else { return false; } }; /* * @method toString * @return {String} */ WeakMap.prototype.toString = function () { return '[object WeakMap]'; }; }); enifed('ember-template-compiler/compat', ['exports', 'ember-metal', 'ember-template-compiler/system/precompile', 'ember-template-compiler/system/compile', 'ember-template-compiler/system/compile-options'], function (exports, _emberMetal, _emberTemplateCompilerSystemPrecompile, _emberTemplateCompilerSystemCompile, _emberTemplateCompilerSystemCompileOptions) { 'use strict'; var EmberHandlebars = _emberMetal.default.Handlebars = _emberMetal.default.Handlebars || {}; var EmberHTMLBars = _emberMetal.default.HTMLBars = _emberMetal.default.HTMLBars || {}; EmberHTMLBars.precompile = EmberHandlebars.precompile = _emberTemplateCompilerSystemPrecompile.default; EmberHTMLBars.compile = EmberHandlebars.compile = _emberTemplateCompilerSystemCompile.default; EmberHTMLBars.registerPlugin = _emberTemplateCompilerSystemCompileOptions.registerPlugin; }); // reexports enifed('ember-template-compiler/index', ['exports', 'ember-metal', 'ember-environment', 'ember/version', 'ember-template-compiler/compat', 'ember-template-compiler/system/bootstrap', 'ember-template-compiler/system/precompile', 'ember-template-compiler/system/compile', 'ember-template-compiler/system/compile-options', 'ember-template-compiler/plugins'], function (exports, _emberMetal, _emberEnvironment, _emberVersion, _emberTemplateCompilerCompat, _emberTemplateCompilerSystemBootstrap, _emberTemplateCompilerSystemPrecompile, _emberTemplateCompilerSystemCompile, _emberTemplateCompilerSystemCompileOptions, _emberTemplateCompilerPlugins) { 'use strict'; // private API used by ember-cli-htmlbars to setup ENV and FEATURES if (!_emberMetal.default.ENV) { _emberMetal.default.ENV = _emberEnvironment.ENV; } if (!_emberMetal.default.FEATURES) { _emberMetal.default.FEATURES = _emberMetal.FEATURES; } if (!_emberMetal.default.VERSION) { _emberMetal.default.VERSION = _emberVersion.default; } exports._Ember = _emberMetal.default; exports.precompile = _emberTemplateCompilerSystemPrecompile.default; exports.compile = _emberTemplateCompilerSystemCompile.default; exports.compileOptions = _emberTemplateCompilerSystemCompileOptions.default; exports.registerPlugin = _emberTemplateCompilerSystemCompileOptions.registerPlugin; exports.defaultPlugins = _emberTemplateCompilerPlugins.default; // used for adding Ember.Handlebars.compile for backwards compat }); // used to bootstrap templates enifed('ember-template-compiler/plugins/assert-reserved-named-arguments', ['exports', 'ember-metal', 'ember-template-compiler/system/calculate-location-display'], function (exports, _emberMetal, _emberTemplateCompilerSystemCalculateLocationDisplay) { 'use strict'; exports.default = AssertReservedNamedArguments; function AssertReservedNamedArguments(options) { this.syntax = null; this.options = options; } AssertReservedNamedArguments.prototype.transform = function AssertReservedNamedArguments_transform(ast) { var moduleName = this.options.meta.moduleName; this.syntax.traverse(ast, { PathExpression: function (node) { if (node.original[0] === '@') { _emberMetal.assert(assertMessage(moduleName, node)); } } }); return ast; }; function assertMessage(moduleName, node) { var path = node.original; var source = _emberTemplateCompilerSystemCalculateLocationDisplay.default(moduleName, node.loc); return '\'' + path + '\' is not a valid path. ' + source; } }); enifed('ember-template-compiler/plugins/deprecate-render-model', ['exports', 'ember-metal', 'ember-template-compiler/system/calculate-location-display'], function (exports, _emberMetal, _emberTemplateCompilerSystemCalculateLocationDisplay) { 'use strict'; exports.default = DeprecateRenderModel; function DeprecateRenderModel(options) { this.syntax = null; this.options = options; } DeprecateRenderModel.prototype.transform = function DeprecateRenderModel_transform(ast) { var moduleName = this.options.meta.moduleName; var walker = new this.syntax.Walker(); walker.visit(ast, function (node) { if (!validate(node)) { return; } each(node.params, function (param) { if (param.type !== 'PathExpression') { return; } _emberMetal.deprecate(deprecationMessage(moduleName, node, param), false, { id: 'ember-template-compiler.deprecate-render-model', until: '3.0.0', url: 'http://emberjs.com/deprecations/v2.x#toc_model-param-in-code-render-code-helper' }); }); }); return ast; }; function validate(node) { return node.type === 'MustacheStatement' && node.path.original === 'render' && node.params.length > 1; } function each(list, callback) { for (var i = 0, l = list.length; i < l; i++) { callback(list[i]); } } function deprecationMessage(moduleName, node, param) { var sourceInformation = _emberTemplateCompilerSystemCalculateLocationDisplay.default(moduleName, node.loc); var componentName = node.params[0].original; var modelName = param.original; var original = '{{render "' + componentName + '" ' + modelName + '}}'; var preferred = '{{' + componentName + ' model=' + modelName + '}}'; return 'Please refactor `' + original + '` to a component and invoke via' + (' `' + preferred + '`. ' + sourceInformation); } }); enifed('ember-template-compiler/plugins/index', ['exports', 'ember-template-compiler/plugins/transform-old-binding-syntax', 'ember-template-compiler/plugins/transform-item-class', 'ember-template-compiler/plugins/transform-angle-bracket-components', 'ember-template-compiler/plugins/transform-input-on-to-onEvent', 'ember-template-compiler/plugins/transform-top-level-components', 'ember-template-compiler/plugins/transform-inline-link-to', 'ember-template-compiler/plugins/transform-old-class-binding-syntax', 'ember-template-compiler/plugins/deprecate-render-model', 'ember-template-compiler/plugins/assert-reserved-named-arguments', 'ember-template-compiler/plugins/transform-action-syntax', 'ember-template-compiler/plugins/transform-input-type-syntax', 'ember-template-compiler/plugins/transform-attrs-into-args', 'ember-template-compiler/plugins/transform-each-in-into-each', 'ember-template-compiler/plugins/transform-has-block-syntax'], function (exports, _emberTemplateCompilerPluginsTransformOldBindingSyntax, _emberTemplateCompilerPluginsTransformItemClass, _emberTemplateCompilerPluginsTransformAngleBracketComponents, _emberTemplateCompilerPluginsTransformInputOnToOnEvent, _emberTemplateCompilerPluginsTransformTopLevelComponents, _emberTemplateCompilerPluginsTransformInlineLinkTo, _emberTemplateCompilerPluginsTransformOldClassBindingSyntax, _emberTemplateCompilerPluginsDeprecateRenderModel, _emberTemplateCompilerPluginsAssertReservedNamedArguments, _emberTemplateCompilerPluginsTransformActionSyntax, _emberTemplateCompilerPluginsTransformInputTypeSyntax, _emberTemplateCompilerPluginsTransformAttrsIntoArgs, _emberTemplateCompilerPluginsTransformEachInIntoEach, _emberTemplateCompilerPluginsTransformHasBlockSyntax) { 'use strict'; exports.default = Object.freeze([_emberTemplateCompilerPluginsTransformOldBindingSyntax.default, _emberTemplateCompilerPluginsTransformItemClass.default, _emberTemplateCompilerPluginsTransformAngleBracketComponents.default, _emberTemplateCompilerPluginsTransformInputOnToOnEvent.default, _emberTemplateCompilerPluginsTransformTopLevelComponents.default, _emberTemplateCompilerPluginsTransformInlineLinkTo.default, _emberTemplateCompilerPluginsTransformOldClassBindingSyntax.default, _emberTemplateCompilerPluginsDeprecateRenderModel.default, _emberTemplateCompilerPluginsAssertReservedNamedArguments.default, _emberTemplateCompilerPluginsTransformActionSyntax.default, _emberTemplateCompilerPluginsTransformInputTypeSyntax.default, _emberTemplateCompilerPluginsTransformAttrsIntoArgs.default, _emberTemplateCompilerPluginsTransformEachInIntoEach.default, _emberTemplateCompilerPluginsTransformHasBlockSyntax.default]); }); enifed('ember-template-compiler/plugins/transform-action-syntax', ['exports'], function (exports) { /** @module ember @submodule ember-glimmer */ /** A Glimmer2 AST transformation that replaces all instances of ```handlebars