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External Libraries: Update Backbone to version 1.3.3. 

Changelog: https://cdn.rawgit.com/jashkenas/backbone/1.3.3/index.html#changelog
Diff: https://github.com/jashkenas/backbone/compare/1.2.3...1.3.3

Includes a unit test to ensure that the minified version doesn't include `sourceMappingURL`.

Props adamsilverstein.
Fixes #37099.

git-svn-id: https://develop.svn.wordpress.org/trunk@37723 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dominik Schilling (ocean90) 2016-06-16 09:26:06 +00:00
parent 70afec2875
commit 62bd8ecdd7
3 changed files with 128 additions and 87 deletions
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198
src/wp-includes/js/backbone.js
View File

@ -1,6 +1,6 @@
// Backbone.js 1.2.3 // Backbone.js 1.3.3
// (c) 2010-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors // (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Backbone may be freely distributed under the MIT license. // Backbone may be freely distributed under the MIT license.
// For all details and documentation: // For all details and documentation:
// http://backbonejs.org // http://backbonejs.org
@ -9,8 +9,8 @@
// Establish the root object, `window` (`self`) in the browser, or `global` on the server. // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
// We use `self` instead of `window` for `WebWorker` support. // We use `self` instead of `window` for `WebWorker` support.
var root = (typeof self == 'object' && self.self == self && self) || var root = (typeof self == 'object' && self.self === self && self) ||
(typeof global == 'object' && global.global == global && global); (typeof global == 'object' && global.global === global && global);
// Set up Backbone appropriately for the environment. Start with AMD. // Set up Backbone appropriately for the environment. Start with AMD.
if (typeof define === 'function' && define.amd) { if (typeof define === 'function' && define.amd) {
@ -23,7 +23,7 @@
// Next for Node.js or CommonJS. jQuery may not be needed as a module. // Next for Node.js or CommonJS. jQuery may not be needed as a module.
} else if (typeof exports !== 'undefined') { } else if (typeof exports !== 'undefined') {
var _ = require('underscore'), $; var _ = require('underscore'), $;
try { $ = require('jquery'); } catch(e) {} try { $ = require('jquery'); } catch (e) {}
factory(root, exports, _, $); factory(root, exports, _, $);
// Finally, as a browser global. // Finally, as a browser global.
@ -31,7 +31,7 @@
root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$)); root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
} }
}(function(root, Backbone, _, $) { })(function(root, Backbone, _, $) {
// Initial Setup // Initial Setup
// ------------- // -------------
@ -44,7 +44,7 @@
var slice = Array.prototype.slice; var slice = Array.prototype.slice;
// Current version of the library. Keep in sync with `package.json`. // Current version of the library. Keep in sync with `package.json`.
Backbone.VERSION = '1.2.3'; Backbone.VERSION = '1.3.3';
// For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
// the `$` variable. // the `$` variable.
@ -146,7 +146,7 @@
events = eventsApi(iteratee, events, names[i], name[names[i]], opts); events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
} }
} else if (name && eventSplitter.test(name)) { } else if (name && eventSplitter.test(name)) {
// Handle space separated event names by delegating them individually. // Handle space-separated event names by delegating them individually.
for (names = name.split(eventSplitter); i < names.length; i++) { for (names = name.split(eventSplitter); i < names.length; i++) {
events = iteratee(events, names[i], callback, opts); events = iteratee(events, names[i], callback, opts);
} }
@ -166,9 +166,9 @@
// Guard the `listening` argument from the public API. // Guard the `listening` argument from the public API.
var internalOn = function(obj, name, callback, context, listening) { var internalOn = function(obj, name, callback, context, listening) {
obj._events = eventsApi(onApi, obj._events || {}, name, callback, { obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
context: context, context: context,
ctx: obj, ctx: obj,
listening: listening listening: listening
}); });
if (listening) { if (listening) {
@ -182,7 +182,7 @@
// Inversion-of-control versions of `on`. Tell *this* object to listen to // Inversion-of-control versions of `on`. Tell *this* object to listen to
// an event in another object... keeping track of what it's listening to // an event in another object... keeping track of what it's listening to
// for easier unbinding later. // for easier unbinding later.
Events.listenTo = function(obj, name, callback) { Events.listenTo = function(obj, name, callback) {
if (!obj) return this; if (!obj) return this;
var id = obj._listenId || (obj._listenId = _.uniqueId('l')); var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
var listeningTo = this._listeningTo || (this._listeningTo = {}); var listeningTo = this._listeningTo || (this._listeningTo = {});
@ -207,7 +207,7 @@
var context = options.context, ctx = options.ctx, listening = options.listening; var context = options.context, ctx = options.ctx, listening = options.listening;
if (listening) listening.count++; if (listening) listening.count++;
handlers.push({ callback: callback, context: context, ctx: context || ctx, listening: listening }); handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
} }
return events; return events;
}; };
@ -216,18 +216,18 @@
// callbacks with that function. If `callback` is null, removes all // callbacks with that function. If `callback` is null, removes all
// callbacks for the event. If `name` is null, removes all bound // callbacks for the event. If `name` is null, removes all bound
// callbacks for all events. // callbacks for all events.
Events.off = function(name, callback, context) { Events.off = function(name, callback, context) {
if (!this._events) return this; if (!this._events) return this;
this._events = eventsApi(offApi, this._events, name, callback, { this._events = eventsApi(offApi, this._events, name, callback, {
context: context, context: context,
listeners: this._listeners listeners: this._listeners
}); });
return this; return this;
}; };
// Tell this object to stop listening to either specific events ... or // Tell this object to stop listening to either specific events ... or
// to every object it's currently listening to. // to every object it's currently listening to.
Events.stopListening = function(obj, name, callback) { Events.stopListening = function(obj, name, callback) {
var listeningTo = this._listeningTo; var listeningTo = this._listeningTo;
if (!listeningTo) return this; if (!listeningTo) return this;
@ -242,7 +242,6 @@
listening.obj.off(name, callback, this); listening.obj.off(name, callback, this);
} }
if (_.isEmpty(listeningTo)) this._listeningTo = void 0;
return this; return this;
}; };
@ -299,21 +298,22 @@
delete events[name]; delete events[name];
} }
} }
if (_.size(events)) return events; return events;
}; };
// Bind an event to only be triggered a single time. After the first time // Bind an event to only be triggered a single time. After the first time
// the callback is invoked, its listener will be removed. If multiple events // the callback is invoked, its listener will be removed. If multiple events
// are passed in using the space-separated syntax, the handler will fire // are passed in using the space-separated syntax, the handler will fire
// once for each event, not once for a combination of all events. // once for each event, not once for a combination of all events.
Events.once = function(name, callback, context) { Events.once = function(name, callback, context) {
// Map the event into a `{event: once}` object. // Map the event into a `{event: once}` object.
var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this)); var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
return this.on(events, void 0, context); if (typeof name === 'string' && context == null) callback = void 0;
return this.on(events, callback, context);
}; };
// Inversion-of-control versions of `once`. // Inversion-of-control versions of `once`.
Events.listenToOnce = function(obj, name, callback) { Events.listenToOnce = function(obj, name, callback) {
// Map the event into a `{event: once}` object. // Map the event into a `{event: once}` object.
var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj)); var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
return this.listenTo(obj, events); return this.listenTo(obj, events);
@ -336,7 +336,7 @@
// passed the same arguments as `trigger` is, apart from the event name // passed the same arguments as `trigger` is, apart from the event name
// (unless you're listening on `"all"`, which will cause your callback to // (unless you're listening on `"all"`, which will cause your callback to
// receive the true name of the event as the first argument). // receive the true name of the event as the first argument).
Events.trigger = function(name) { Events.trigger = function(name) {
if (!this._events) return this; if (!this._events) return this;
var length = Math.max(0, arguments.length - 1); var length = Math.max(0, arguments.length - 1);
@ -348,7 +348,7 @@
}; };
// Handles triggering the appropriate event callbacks. // Handles triggering the appropriate event callbacks.
var triggerApi = function(objEvents, name, cb, args) { var triggerApi = function(objEvents, name, callback, args) {
if (objEvents) { if (objEvents) {
var events = objEvents[name]; var events = objEvents[name];
var allEvents = objEvents.all; var allEvents = objEvents.all;
@ -398,7 +398,8 @@
this.attributes = {}; this.attributes = {};
if (options.collection) this.collection = options.collection; if (options.collection) this.collection = options.collection;
if (options.parse) attrs = this.parse(attrs, options) || {}; if (options.parse) attrs = this.parse(attrs, options) || {};
attrs = _.defaults({}, attrs, _.result(this, 'defaults')); var defaults = _.result(this, 'defaults');
attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
this.set(attrs, options); this.set(attrs, options);
this.changed = {}; this.changed = {};
this.initialize.apply(this, arguments); this.initialize.apply(this, arguments);
@ -506,7 +507,7 @@
} }
// Update the `id`. // Update the `id`.
this.id = this.get(this.idAttribute); if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
// Trigger all relevant attribute changes. // Trigger all relevant attribute changes.
if (!silent) { if (!silent) {
@ -619,8 +620,8 @@
// the model will be valid when the attributes, if any, are set. // the model will be valid when the attributes, if any, are set.
if (attrs && !wait) { if (attrs && !wait) {
if (!this.set(attrs, options)) return false; if (!this.set(attrs, options)) return false;
} else { } else if (!this._validate(attrs, options)) {
if (!this._validate(attrs, options)) return false; return false;
} }
// After a successful server-side save, the client is (optionally) // After a successful server-side save, the client is (optionally)
@ -714,7 +715,7 @@
// Check if the model is currently in a valid state. // Check if the model is currently in a valid state.
isValid: function(options) { isValid: function(options) {
return this._validate({}, _.defaults({validate: true}, options)); return this._validate({}, _.extend({}, options, {validate: true}));
}, },
// Run validation against the next complete set of model attributes, // Run validation against the next complete set of model attributes,
@ -732,8 +733,8 @@
// Underscore methods that we want to implement on the Model, mapped to the // Underscore methods that we want to implement on the Model, mapped to the
// number of arguments they take. // number of arguments they take.
var modelMethods = { keys: 1, values: 1, pairs: 1, invert: 1, pick: 0, var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
omit: 0, chain: 1, isEmpty: 1 }; omit: 0, chain: 1, isEmpty: 1};
// Mix in each Underscore method as a proxy to `Model#attributes`. // Mix in each Underscore method as a proxy to `Model#attributes`.
addUnderscoreMethods(Model, modelMethods, 'attributes'); addUnderscoreMethods(Model, modelMethods, 'attributes');
@ -769,7 +770,8 @@
at = Math.min(Math.max(at, 0), array.length); at = Math.min(Math.max(at, 0), array.length);
var tail = Array(array.length - at); var tail = Array(array.length - at);
var length = insert.length; var length = insert.length;
for (var i = 0; i < tail.length; i++) tail[i] = array[i + at]; var i;
for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
for (i = 0; i < length; i++) array[i + at] = insert[i]; for (i = 0; i < length; i++) array[i + at] = insert[i];
for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i]; for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
}; };
@ -807,9 +809,12 @@
remove: function(models, options) { remove: function(models, options) {
options = _.extend({}, options); options = _.extend({}, options);
var singular = !_.isArray(models); var singular = !_.isArray(models);
models = singular ? [models] : _.clone(models); models = singular ? [models] : models.slice();
var removed = this._removeModels(models, options); var removed = this._removeModels(models, options);
if (!options.silent && removed) this.trigger('update', this, options); if (!options.silent && removed.length) {
options.changes = {added: [], merged: [], removed: removed};
this.trigger('update', this, options);
}
return singular ? removed[0] : removed; return singular ? removed[0] : removed;
}, },
@ -820,18 +825,22 @@
set: function(models, options) { set: function(models, options) {
if (models == null) return; if (models == null) return;
options = _.defaults({}, options, setOptions); options = _.extend({}, setOptions, options);
if (options.parse && !this._isModel(models)) models = this.parse(models, options); if (options.parse && !this._isModel(models)) {
models = this.parse(models, options) || [];
}
var singular = !_.isArray(models); var singular = !_.isArray(models);
models = singular ? [models] : models.slice(); models = singular ? [models] : models.slice();
var at = options.at; var at = options.at;
if (at != null) at = +at; if (at != null) at = +at;
if (at > this.length) at = this.length;
if (at < 0) at += this.length + 1; if (at < 0) at += this.length + 1;
var set = []; var set = [];
var toAdd = []; var toAdd = [];
var toMerge = [];
var toRemove = []; var toRemove = [];
var modelMap = {}; var modelMap = {};
@ -840,13 +849,13 @@
var remove = options.remove; var remove = options.remove;
var sort = false; var sort = false;
var sortable = this.comparator && (at == null) && options.sort !== false; var sortable = this.comparator && at == null && options.sort !== false;
var sortAttr = _.isString(this.comparator) ? this.comparator : null; var sortAttr = _.isString(this.comparator) ? this.comparator : null;
// Turn bare objects into model references, and prevent invalid models // Turn bare objects into model references, and prevent invalid models
// from being added. // from being added.
var model; var model, i;
for (var i = 0; i < models.length; i++) { for (i = 0; i < models.length; i++) {
model = models[i]; model = models[i];
// If a duplicate is found, prevent it from being added and // If a duplicate is found, prevent it from being added and
@ -857,6 +866,7 @@
var attrs = this._isModel(model) ? model.attributes : model; var attrs = this._isModel(model) ? model.attributes : model;
if (options.parse) attrs = existing.parse(attrs, options); if (options.parse) attrs = existing.parse(attrs, options);
existing.set(attrs, options); existing.set(attrs, options);
toMerge.push(existing);
if (sortable && !sort) sort = existing.hasChanged(sortAttr); if (sortable && !sort) sort = existing.hasChanged(sortAttr);
} }
if (!modelMap[existing.cid]) { if (!modelMap[existing.cid]) {
@ -890,8 +900,8 @@
var orderChanged = false; var orderChanged = false;
var replace = !sortable && add && remove; var replace = !sortable && add && remove;
if (set.length && replace) { if (set.length && replace) {
orderChanged = this.length != set.length || _.some(this.models, function(model, index) { orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
return model !== set[index]; return m !== set[index];
}); });
this.models.length = 0; this.models.length = 0;
splice(this.models, set, 0); splice(this.models, set, 0);
@ -905,7 +915,7 @@
// Silently sort the collection if appropriate. // Silently sort the collection if appropriate.
if (sort) this.sort({silent: true}); if (sort) this.sort({silent: true});
// Unless silenced, it's time to fire all appropriate add/sort events. // Unless silenced, it's time to fire all appropriate add/sort/update events.
if (!options.silent) { if (!options.silent) {
for (i = 0; i < toAdd.length; i++) { for (i = 0; i < toAdd.length; i++) {
if (at != null) options.index = at + i; if (at != null) options.index = at + i;
@ -913,7 +923,14 @@
model.trigger('add', model, this, options); model.trigger('add', model, this, options);
} }
if (sort || orderChanged) this.trigger('sort', this, options); if (sort || orderChanged) this.trigger('sort', this, options);
if (toAdd.length || toRemove.length) this.trigger('update', this, options); if (toAdd.length || toRemove.length || toMerge.length) {
options.changes = {
added: toAdd,
removed: toRemove,
merged: toMerge
};
this.trigger('update', this, options);
}
} }
// Return the added (or merged) model (or models). // Return the added (or merged) model (or models).
@ -963,11 +980,18 @@
return slice.apply(this.models, arguments); return slice.apply(this.models, arguments);
}, },
// Get a model from the set by id. // Get a model from the set by id, cid, model object with id or cid
// properties, or an attributes object that is transformed through modelId.
get: function(obj) { get: function(obj) {
if (obj == null) return void 0; if (obj == null) return void 0;
var id = this.modelId(this._isModel(obj) ? obj.attributes : obj); return this._byId[obj] ||
return this._byId[obj] || this._byId[id] || this._byId[obj.cid]; this._byId[this.modelId(obj.attributes || obj)] ||
obj.cid && this._byId[obj.cid];
},
// Returns `true` if the model is in the collection.
has: function(obj) {
return this.get(obj) != null;
}, },
// Get the model at the given index. // Get the model at the given index.
@ -1011,7 +1035,7 @@
// Pluck an attribute from each model in the collection. // Pluck an attribute from each model in the collection.
pluck: function(attr) { pluck: function(attr) {
return _.invoke(this.models, 'get', attr); return this.map(attr + '');
}, },
// Fetch the default set of models for this collection, resetting the // Fetch the default set of models for this collection, resetting the
@ -1042,9 +1066,9 @@
if (!wait) this.add(model, options); if (!wait) this.add(model, options);
var collection = this; var collection = this;
var success = options.success; var success = options.success;
options.success = function(model, resp, callbackOpts) { options.success = function(m, resp, callbackOpts) {
if (wait) collection.add(model, callbackOpts); if (wait) collection.add(m, callbackOpts);
if (success) success.call(callbackOpts.context, model, resp, callbackOpts); if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
}; };
model.save(null, options); model.save(null, options);
return model; return model;
@ -1065,7 +1089,7 @@
}, },
// Define how to uniquely identify models in the collection. // Define how to uniquely identify models in the collection.
modelId: function (attrs) { modelId: function(attrs) {
return attrs[this.model.prototype.idAttribute || 'id']; return attrs[this.model.prototype.idAttribute || 'id'];
}, },
@ -1103,6 +1127,12 @@
this.models.splice(index, 1); this.models.splice(index, 1);
this.length--; this.length--;
// Remove references before triggering 'remove' event to prevent an
// infinite loop. #3693
delete this._byId[model.cid];
var id = this.modelId(model.attributes);
if (id != null) delete this._byId[id];
if (!options.silent) { if (!options.silent) {
options.index = index; options.index = index;
model.trigger('remove', model, this, options); model.trigger('remove', model, this, options);
@ -1111,12 +1141,12 @@
removed.push(model); removed.push(model);
this._removeReference(model, options); this._removeReference(model, options);
} }
return removed.length ? removed : false; return removed;
}, },
// Method for checking whether an object should be considered a model for // Method for checking whether an object should be considered a model for
// the purposes of adding to the collection. // the purposes of adding to the collection.
_isModel: function (model) { _isModel: function(model) {
return model instanceof Model; return model instanceof Model;
}, },
@ -1142,14 +1172,16 @@
// events simply proxy through. "add" and "remove" events that originate // events simply proxy through. "add" and "remove" events that originate
// in other collections are ignored. // in other collections are ignored.
_onModelEvent: function(event, model, collection, options) { _onModelEvent: function(event, model, collection, options) {
if ((event === 'add' || event === 'remove') && collection !== this) return; if (model) {
if (event === 'destroy') this.remove(model, options); if ((event === 'add' || event === 'remove') && collection !== this) return;
if (event === 'change') { if (event === 'destroy') this.remove(model, options);
var prevId = this.modelId(model.previousAttributes()); if (event === 'change') {
var id = this.modelId(model.attributes); var prevId = this.modelId(model.previousAttributes());
if (prevId !== id) { var id = this.modelId(model.attributes);
if (prevId != null) delete this._byId[prevId]; if (prevId !== id) {
if (id != null) this._byId[id] = model; if (prevId != null) delete this._byId[prevId];
if (id != null) this._byId[id] = model;
}
} }
} }
this.trigger.apply(this, arguments); this.trigger.apply(this, arguments);
@ -1160,14 +1192,14 @@
// Underscore methods that we want to implement on the Collection. // Underscore methods that we want to implement on the Collection.
// 90% of the core usefulness of Backbone Collections is actually implemented // 90% of the core usefulness of Backbone Collections is actually implemented
// right here: // right here:
var collectionMethods = { forEach: 3, each: 3, map: 3, collect: 3, reduce: 4, var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
foldl: 4, inject: 4, reduceRight: 4, foldr: 4, find: 3, detect: 3, filter: 3, foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3, select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3, contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3, head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3, without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3, isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
sortBy: 3, indexBy: 3}; sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
// Mix in each Underscore method as a proxy to `Collection#models`. // Mix in each Underscore method as a proxy to `Collection#models`.
addUnderscoreMethods(Collection, collectionMethods, 'models'); addUnderscoreMethods(Collection, collectionMethods, 'models');
@ -1417,9 +1449,9 @@
var methodMap = { var methodMap = {
'create': 'POST', 'create': 'POST',
'update': 'PUT', 'update': 'PUT',
'patch': 'PATCH', 'patch': 'PATCH',
'delete': 'DELETE', 'delete': 'DELETE',
'read': 'GET' 'read': 'GET'
}; };
// Set the default implementation of `Backbone.ajax` to proxy through to `$`. // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
@ -1576,8 +1608,8 @@
// Does the pathname match the root? // Does the pathname match the root?
matchRoot: function() { matchRoot: function() {
var path = this.decodeFragment(this.location.pathname); var path = this.decodeFragment(this.location.pathname);
var root = path.slice(0, this.root.length - 1) + '/'; var rootPath = path.slice(0, this.root.length - 1) + '/';
return root === this.root; return rootPath === this.root;
}, },
// Unicode characters in `location.pathname` are percent encoded so they're // Unicode characters in `location.pathname` are percent encoded so they're
@ -1649,8 +1681,8 @@
// If we've started off with a route from a `pushState`-enabled // If we've started off with a route from a `pushState`-enabled
// browser, but we're currently in a browser that doesn't support it... // browser, but we're currently in a browser that doesn't support it...
if (!this._hasPushState && !this.atRoot()) { if (!this._hasPushState && !this.atRoot()) {
var root = this.root.slice(0, -1) || '/'; var rootPath = this.root.slice(0, -1) || '/';
this.location.replace(root + '#' + this.getPath()); this.location.replace(rootPath + '#' + this.getPath());
// Return immediately as browser will do redirect to new url // Return immediately as browser will do redirect to new url
return true; return true;
@ -1679,7 +1711,7 @@
} }
// Add a cross-platform `addEventListener` shim for older browsers. // Add a cross-platform `addEventListener` shim for older browsers.
var addEventListener = window.addEventListener || function (eventName, listener) { var addEventListener = window.addEventListener || function(eventName, listener) {
return attachEvent('on' + eventName, listener); return attachEvent('on' + eventName, listener);
}; };
@ -1700,7 +1732,7 @@
// but possibly useful for unit testing Routers. // but possibly useful for unit testing Routers.
stop: function() { stop: function() {
// Add a cross-platform `removeEventListener` shim for older browsers. // Add a cross-platform `removeEventListener` shim for older browsers.
var removeEventListener = window.removeEventListener || function (eventName, listener) { var removeEventListener = window.removeEventListener || function(eventName, listener) {
return detachEvent('on' + eventName, listener); return detachEvent('on' + eventName, listener);
}; };
@ -1774,11 +1806,11 @@
fragment = this.getFragment(fragment || ''); fragment = this.getFragment(fragment || '');
// Don't include a trailing slash on the root. // Don't include a trailing slash on the root.
var root = this.root; var rootPath = this.root;
if (fragment === '' || fragment.charAt(0) === '?') { if (fragment === '' || fragment.charAt(0) === '?') {
root = root.slice(0, -1) || '/'; rootPath = rootPath.slice(0, -1) || '/';
} }
var url = root + fragment; var url = rootPath + fragment;
// Strip the hash and decode for matching. // Strip the hash and decode for matching.
fragment = this.decodeFragment(fragment.replace(pathStripper, '')); fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
@ -1794,7 +1826,7 @@
// fragment to store history. // fragment to store history.
} else if (this._wantsHashChange) { } else if (this._wantsHashChange) {
this._updateHash(this.location, fragment, options.replace); this._updateHash(this.location, fragment, options.replace);
if (this.iframe && (fragment !== this.getHash(this.iframe.contentWindow))) { if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
var iWindow = this.iframe.contentWindow; var iWindow = this.iframe.contentWindow;
// Opening and closing the iframe tricks IE7 and earlier to push a // Opening and closing the iframe tricks IE7 and earlier to push a
@ -1856,14 +1888,9 @@
_.extend(child, parent, staticProps); _.extend(child, parent, staticProps);
// Set the prototype chain to inherit from `parent`, without calling // Set the prototype chain to inherit from `parent`, without calling
// `parent` constructor function. // `parent`'s constructor function and add the prototype properties.
var Surrogate = function(){ this.constructor = child; }; child.prototype = _.create(parent.prototype, protoProps);
Surrogate.prototype = parent.prototype; child.prototype.constructor = child;
child.prototype = new Surrogate;
// Add prototype properties (instance properties) to the subclass,
// if supplied.
if (protoProps) _.extend(child.prototype, protoProps);
// Set a convenience property in case the parent's prototype is needed // Set a convenience property in case the parent's prototype is needed
// later. // later.
@ -1890,5 +1917,4 @@
}; };
return Backbone; return Backbone;
});
}));

2
src/wp-includes/js/backbone.min.js vendored
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15
tests/phpunit/tests/dependencies/backbonejs.php Normal file
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@ -0,0 +1,15 @@
<?php
/**
* @group dependencies
* @group scripts
*/
class Tests_Dependencies_Backbonejs extends WP_UnitTestCase {
function test_exclusion_of_sourcemaps() {
$file = ABSPATH . WPINC . '/js/backbone.min.js';
$this->assertTrue( file_exists( $file ) );
$contents = trim( file_get_contents( $file ) );
$this->assertFalse( strpos( $contents, 'sourceMappingURL' ), 'Presence of sourceMappingURL' );
}
}