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Commit 28b669e4 authored by Sam Saccone's avatar Sam Saccone
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Merge pull request #1164 from yavorsky/master 

Update exoskeleton to 0.7.0
parents f90608ba 8e9e5c77
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examples/exoskeleton/.gitignore
View file @ 28b669e4
......@@ -4,6 +4,9 @@ node_modules/exoskeleton/*
node_modules/backbone.localstorage/*
!node_modules/backbone.localstorage/backbone.localStorage.js
node_modules/backbone.nativeview/*
!node_modules/backbone.nativeview/backbone.nativeview.js
node_modules/todomvc-app-css/*
!node_modules/todomvc-app-css/index.css
......
examples/exoskeleton/index.html
View file @ 28b669e4
......@@ -53,6 +53,8 @@
<script src="node_modules/exoskeleton/exoskeleton.js"></script>
<script src="node_modules/microtemplates/index.js"></script>
<script src="node_modules/backbone.localstorage/backbone.localStorage.js"></script>
<script src="node_modules/backbone.nativeview/backbone.nativeview.js"></script>
<script>Backbone.View = Backbone.NativeView;</script>
<script src="js/models/todo.js"></script>
<script src="js/collections/todos.js"></script>
<script src="js/views/todo-view.js"></script>
......
examples/exoskeleton/js/views/app-view.js
View file @ 28b669e4
......@@ -8,6 +8,12 @@ var app = app || {};
el.style.display = toggle ? '' : 'none';
};
var matchesSelector = function (node, selector) {
return [].some.call(document.querySelectorAll(selector), function (el) {
return el === node;
});
};
// The Application
// ---------------
......@@ -32,10 +38,10 @@ var app = app || {};
// collection, when items are added or changed. Kick things off by
// loading any preexisting todos that might be saved in *localStorage*.
initialize: function () {
this.allCheckbox = this.find('#toggle-all');
this.input = this.find('#new-todo');
this.footer = this.find('#footer');
this.main = this.find('#main');
this.allCheckbox = this.$('#toggle-all').item(0);
this.input = this.$('#new-todo').item(0);
this.footer = this.$('#footer').item(0);
this.main = this.$('#main').item(0);
this.listenTo(app.todos, 'add', this.addOne);
this.listenTo(app.todos, 'reset', this.addAll);
......@@ -66,9 +72,9 @@ var app = app || {};
remaining: remaining
});
this.findAll('#filters li a').forEach(function (el) {
[].forEach.call(this.$('#filters li a'), function (el) {
el.classList.remove('selected');
if (Backbone.utils.matchesSelector(el, selector)) {
if (matchesSelector(el, selector)) {
el.classList.add('selected');
}
});
......@@ -90,7 +96,7 @@ var app = app || {};
// Add all items in the **Todos** collection at once.
addAll: function () {
this.find('#todo-list').innerHTML = '';
this.$('#todo-list').item(0).innerHTML = '';
app.todos.forEach(this.addOne, this);
},
......
examples/exoskeleton/js/views/todo-view.js
View file @ 28b669e4
......@@ -41,7 +41,7 @@ var app = app || {};
var method = this.model.get('completed') ? 'add' : 'remove';
this.el.classList[method]('completed');
this.toggleVisible();
this.input = this.find('.edit');
this.input = this.$('.edit').item(0);
return this;
},
......
examples/exoskeleton/node_modules/backbone.nativeview/backbone.nativeview.js 0 → 100644
View file @ 28b669e4
// Backbone.NativeView.js 0.3.2
// ---------------
// (c) 2014 Adam Krebs, Jimmy Yuen Ho Wong
// Backbone.NativeView may be freely distributed under the MIT license.
// For all details and documentation:
// https://github.com/akre54/Backbone.NativeView
(function (factory) {
if (typeof define === 'function' && define.amd) { define(['backbone'], factory);
} else if (typeof exports === 'object') { factory(require('backbone'));
} else { factory(Backbone); }
}(function (Backbone) {
// Cached regex to match an opening '<' of an HTML tag, possibly left-padded
// with whitespace.
var paddedLt = /^\s*</;
// Caches a local reference to `Element.prototype` for faster access.
var ElementProto = (typeof Element !== 'undefined' && Element.prototype) || {};
// Cross-browser event listener shims
var elementAddEventListener = ElementProto.addEventListener || function(eventName, listener) {
return this.attachEvent('on' + eventName, listener);
}
var elementRemoveEventListener = ElementProto.removeEventListener || function(eventName, listener) {
return this.detachEvent('on' + eventName, listener);
}
var indexOf = function(array, item) {
for (var i = 0, len = array.length; i < len; i++) if (array[i] === item) return i;
return -1;
}
// Find the right `Element#matches` for IE>=9 and modern browsers.
var matchesSelector = ElementProto.matches ||
ElementProto.webkitMatchesSelector ||
ElementProto.mozMatchesSelector ||
ElementProto.msMatchesSelector ||
ElementProto.oMatchesSelector ||
// Make our own `Element#matches` for IE8
function(selector) {
// Use querySelectorAll to find all elements matching the selector,
// then check if the given element is included in that list.
// Executing the query on the parentNode reduces the resulting nodeList,
// (document doesn't have a parentNode).
var nodeList = (this.parentNode || document).querySelectorAll(selector) || [];
return !!~indexOf(nodeList, this);
};
// Cache Backbone.View for later access in constructor
var BBView = Backbone.View;
// To extend an existing view to use native methods, extend the View prototype
// with the mixin: _.extend(MyView.prototype, Backbone.NativeViewMixin);
Backbone.NativeViewMixin = {
_domEvents: null,
constructor: function() {
this._domEvents = [];
return BBView.apply(this, arguments);
},
$: function(selector) {
return this.el.querySelectorAll(selector);
},
_removeElement: function() {
this.undelegateEvents();
if (this.el.parentNode) this.el.parentNode.removeChild(this.el);
},
// Apply the `element` to the view. `element` can be a CSS selector,
// a string of HTML, or an Element node.
_setElement: function(element) {
if (typeof element == 'string') {
if (paddedLt.test(element)) {
var el = document.createElement('div');
el.innerHTML = element;
this.el = el.firstChild;
} else {
this.el = document.querySelector(element);
}
} else {
this.el = element;
}
},
// Set a hash of attributes to the view's `el`. We use the "prop" version
// if available, falling back to `setAttribute` for the catch-all.
_setAttributes: function(attrs) {
for (var attr in attrs) {
attr in this.el ? this.el[attr] = attrs[attr] : this.el.setAttribute(attr, attrs[attr]);
}
},
// Make a event delegation handler for the given `eventName` and `selector`
// and attach it to `this.el`.
// If selector is empty, the listener will be bound to `this.el`. If not, a
// new handler that will recursively traverse up the event target's DOM
// hierarchy looking for a node that matches the selector. If one is found,
// the event's `delegateTarget` property is set to it and the return the
// result of calling bound `listener` with the parameters given to the
// handler.
delegate: function(eventName, selector, listener) {
if (typeof selector === 'function') {
listener = selector;
selector = null;
}
var root = this.el;
var handler = selector ? function (e) {
var node = e.target || e.srcElement;
for (; node && node != root; node = node.parentNode) {
if (matchesSelector.call(node, selector)) {
e.delegateTarget = node;
listener(e);
}
}
} : listener;
elementAddEventListener.call(this.el, eventName, handler, false);
this._domEvents.push({eventName: eventName, handler: handler, listener: listener, selector: selector});
return handler;
},
// Remove a single delegated event. Either `eventName` or `selector` must
// be included, `selector` and `listener` are optional.
undelegate: function(eventName, selector, listener) {
if (typeof selector === 'function') {
listener = selector;
selector = null;
}
if (this.el) {
var handlers = this._domEvents.slice();
for (var i = 0, len = handlers.length; i < len; i++) {
var item = handlers[i];
var match = item.eventName === eventName &&
(listener ? item.listener === listener : true) &&
(selector ? item.selector === selector : true);
if (!match) continue;
elementRemoveEventListener.call(this.el, item.eventName, item.handler, false);
this._domEvents.splice(indexOf(handlers, item), 1);
}
}
return this;
},
// Remove all events created with `delegate` from `el`
undelegateEvents: function() {
if (this.el) {
for (var i = 0, len = this._domEvents.length; i < len; i++) {
var item = this._domEvents[i];
elementRemoveEventListener.call(this.el, item.eventName, item.handler, false);
};
this._domEvents.length = 0;
}
return this;
}
};
Backbone.NativeView = Backbone.View.extend(Backbone.NativeViewMixin);
return Backbone.NativeView;
}));
examples/exoskeleton/node_modules/exoskeleton/exoskeleton.js
View file @ 28b669e4
/*!
* Exoskeleton.js 0.3.0
* Exoskeleton.js 0.7.0
* (c) 2013 Paul Miller <http://paulmillr.com>
* Based on Backbone.js
* (c) 2010-2013 Jeremy Ashkenas, DocumentCloud
* Exoskeleton may be freely distributed under the MIT license.
* For all details and documentation: <http://exoskel.at>
* For all details and documentation: <http://exosjs.com>
*/
(function(factory) {
(function(root, factory) {
// Set up Backbone appropriately for the environment.
if (typeof define === 'function' && define.amd) {
define(['underscore', 'jquery'], factory);
} else if (typeof exports === 'object') {
factory(require('underscore'), require('jquery'));
define(['underscore', 'jquery', 'exports'], function(_, $, exports) {
root.Backbone = root.Exoskeleton = factory(root, exports, _, $);
});
} else if (typeof exports !== 'undefined') {
var _, $;
try { _ = require('underscore'); } catch(e) { }
try { $ = require('jquery'); } catch(e) { }
factory(root, exports, _, $);
} else {
factory(this._, this.jQuery || this.Zepto || this.ender || this.$);
root.Backbone = root.Exoskeleton = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
}
})(function(_, $) {
})(this, function(root, Backbone, _, $) {
'use strict';
// Initial Setup
// -------------
// Save a reference to the global object (`window` in the browser, `exports`
// on the server).
var root = (typeof window === 'undefined') ? exports : window;
// Save the previous value of the `Backbone` variable, so that it can be
// restored later on, if `noConflict` is used.
var previousBackbone = root.Backbone;
// The top-level namespace. All public Backbone classes and modules will
// be attached to this. Exported for both the browser and the server.
var Backbone;
if (typeof exports !== 'undefined') {
Backbone = exports;
} else {
Backbone = root.Backbone = {};
}
var previousExoskeleton = root.Exoskeleton;
// Underscore replacement.
var utils = _ = Backbone.utils = _ || {};
var utils = Backbone.utils = _ = (_ || {});
// Hold onto a local reference to `$`. Can be changed at any point.
Backbone.$ = $;
......@@ -48,7 +43,7 @@
var array = [];
var push = array.push;
var slice = array.slice;
var splice = array.splice;
var toString = ({}).toString;
// Current version of the library. Keep in sync with `package.json`.
// Backbone.VERSION = '1.0.0';
......@@ -57,20 +52,10 @@
// to its previous owner. Returns a reference to this Backbone object.
Backbone.noConflict = function() {
root.Backbone = previousBackbone;
root.Exoskeleton = previousExoskeleton;
return this;
};
// Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
// will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
// set a `X-Http-Method-Override` header.
Backbone.emulateHTTP = false;
// Turn on `emulateJSON` to support legacy servers that can't deal with direct
// `application/json` requests ... will encode the body as
// `application/x-www-form-urlencoded` instead and will send the model in a
// form param named `model`.
Backbone.emulateJSON = false;
// Helpers
// -------
......@@ -84,7 +69,7 @@
// The constructor function for the new subclass is either defined by you
// (the "constructor" property in your `extend` definition), or defaulted
// by us to simply call the parent's constructor.
if (protoProps && hasOwnProperty.call(protoProps, 'constructor')) {
if (protoProps && _.has(protoProps, 'constructor')) {
child = protoProps.constructor;
} else {
child = function(){ return parent.apply(this, arguments); };
......@@ -123,195 +108,177 @@
model.trigger('error', model, resp, options);
};
};
utils.result = function result(object, property) {
var value = object ? object[property] : undefined;
return typeof value === 'function' ? object[property]() : value;
};
utils.defaults = function defaults(obj, from1, from2) {
[].slice.call(arguments, 1).forEach(function(item) {
for (var key in item) if (obj[key] === undefined)
obj[key] = item[key];
});
return obj;
};
// Checker for utility methods. Useful for custom builds.
var utilExists = function(method) {
return typeof _[method] === 'function';
};
utils.extend = function extend(obj) {
[].slice.call(arguments, 1).forEach(function(item) {
for (var key in item) obj[key] = item[key];
});
return obj;
};
utils.result = function result(object, property) {
var value = object ? object[property] : undefined;
return typeof value === 'function' ? object[property]() : value;
};
var htmlEscapes = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;'
};
utils.defaults = function defaults(obj) {
slice.call(arguments, 1).forEach(function(item) {
for (var key in item) if (obj[key] === undefined)
obj[key] = item[key];
});
return obj;
};
utils.escape = function escape(string) {
return string == null ? '' : String(string).replace(/[&<>"']/g, function(match) {
return htmlEscapes[match];
});
};
utils.extend = function extend(obj) {
slice.call(arguments, 1).forEach(function(item) {
for (var key in item) obj[key] = item[key];
});
return obj;
};
utils.sortedIndex = function sortedIndex(array, obj, iterator, context) {
iterator = iterator == null ? Function.prototype :
(typeof iterator === 'function' ? iterator : function(obj){ return obj[iterator]; });
var value = iterator.call(context, obj);
var low = 0, high = array.length;
while (low < high) {
var mid = (low + high) >>> 1;
iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
}
return low;
};
var htmlEscapes = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;'
};
utils.sortBy = function(obj, value, context) {
var iterator = typeof value === 'function' ? value : function(obj){ return obj[value]; };
return obj
.map(function(value, index, list) {
return {
value: value,
index: index,
criteria: iterator.call(context, value, index, list)
};
})
.sort(function(left, right) {
var a = left.criteria;
var b = right.criteria;
if (a !== b) {
if (a > b || a === void 0) return 1;
if (a < b || b === void 0) return -1;
}
return left.index - right.index;
})
.map(function(item) {
return item.value;
utils.escape = function escape(string) {
return string == null ? '' : String(string).replace(/[&<>"']/g, function(match) {
return htmlEscapes[match];
});
};
};
/** Used to generate unique IDs */
var idCounter = 0;
utils.sortBy = function(obj, value, context) {
var iterator = typeof value === 'function' ? value : function(obj){ return obj[value]; };
return obj
.map(function(value, index, list) {
return {
value: value,
index: index,
criteria: iterator.call(context, value, index, list)
};
})
.sort(function(left, right) {
var a = left.criteria;
var b = right.criteria;
if (a !== b) {
if (a > b || a === void 0) return 1;
if (a < b || b === void 0) return -1;
}
return left.index - right.index;
})
.map(function(item) {
return item.value;
});
};
utils.uniqueId = function uniqueId(prefix) {
var id = ++idCounter + '';
return prefix ? prefix + id : id;
};
/** Used to generate unique IDs */
var idCounter = 0;
var eq = function(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
// Unwrap any wrapped objects.
//if (a instanceof _) a = a._wrapped;
//if (b instanceof _) b = b._wrapped;
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
switch (className) {
// Strings, numbers, dates, and booleans are compared by value.
case '[object String]':
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
// equivalent to `new String("5")`.
return a == String(b);
case '[object Number]':
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
// other numeric values.
return a !== +a ? b !== +b : (a === 0 ? 1 / a === 1 / b : a === +b);
case '[object Date]':
case '[object Boolean]':
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are not equivalent.
return +a == +b;
// RegExps are compared by their source patterns and flags.
case '[object RegExp]':
return a.source == b.source &&
a.global == b.global &&
a.multiline == b.multiline &&
a.ignoreCase == b.ignoreCase;
}
if (typeof a != 'object' || typeof b != 'object') return false;
// Assume equality for cyclic structures. The algorithm for detecting cyclic
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
var length = aStack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
if (aStack[length] == a) return bStack[length] == b;
}
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(typeof aCtor === 'function' && (aCtor instanceof aCtor) &&
typeof bCtor === 'function' && (bCtor instanceof bCtor))) {
return false;
}
// Add the first object to the stack of traversed objects.
aStack.push(a);
bStack.push(b);
var size = 0, result = true;
// Recursively compare objects and arrays.
if (className == '[object Array]') {
// Compare array lengths to determine if a deep comparison is necessary.
size = a.length;
result = size == b.length;
if (result) {
// Deep compare the contents, ignoring non-numeric properties.
while (size--) {
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
}
utils.uniqueId = function uniqueId(prefix) {
var id = ++idCounter + '';
return prefix ? prefix + id : id;
};
utils.has = function(obj, key) {
return Object.hasOwnProperty.call(obj, key);
};
var eq = function(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
// Unwrap any wrapped objects.
//if (a instanceof _) a = a._wrapped;
//if (b instanceof _) b = b._wrapped;
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
switch (className) {
// Strings, numbers, dates, and booleans are compared by value.
case '[object String]':
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
// equivalent to `new String("5")`.
return a == String(b);
case '[object Number]':
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
// other numeric values.
return a !== +a ? b !== +b : (a === 0 ? 1 / a === 1 / b : a === +b);
case '[object Date]':
case '[object Boolean]':
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are not equivalent.
return +a == +b;
// RegExps are compared by their source patterns and flags.
case '[object RegExp]':
return a.source == b.source &&
a.global == b.global &&
a.multiline == b.multiline &&
a.ignoreCase == b.ignoreCase;
}
} else {
// Deep compare objects.
for (var key in a) {
if (hasOwnProperty.call(a, key)) {
// Count the expected number of properties.
size++;
// Deep compare each member.
if (!(result = hasOwnProperty.call(b, key) && eq(a[key], b[key], aStack, bStack))) break;
}
if (typeof a != 'object' || typeof b != 'object') return false;
// Assume equality for cyclic structures. The algorithm for detecting cyclic
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
var length = aStack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
if (aStack[length] == a) return bStack[length] == b;
}
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(typeof aCtor === 'function' && (aCtor instanceof aCtor) &&
typeof bCtor === 'function' && (bCtor instanceof bCtor))) {
return false;
}
// Ensure that both objects contain the same number of properties.
if (result) {
for (key in b) {
if (hasOwnProperty.call(b, key) && !(size--)) break;
// Add the first object to the stack of traversed objects.
aStack.push(a);
bStack.push(b);
var size = 0, result = true;
// Recursively compare objects and arrays.
if (className === '[object Array]') {
// Compare array lengths to determine if a deep comparison is necessary.
size = a.length;
result = size === b.length;
if (result) {
// Deep compare the contents, ignoring non-numeric properties.
while (size--) {
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
}
}
} else {
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {
// Count the expected number of properties.
size++;
// Deep compare each member.
if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
}
}
// Ensure that both objects contain the same number of properties.
if (result) {
for (key in b) {
if (_.has(b, key) && !(size--)) break;
}
result = !size;
}
result = !size;
}
}
// Remove the first object from the stack of traversed objects.
aStack.pop();
bStack.pop();
return result;
};
// Remove the first object from the stack of traversed objects.
aStack.pop();
bStack.pop();
return result;
};
// Perform a deep comparison to check if two objects are equal.
utils.isEqual = function(a, b) {
return eq(a, b, [], []);
};
utils.matchesSelector = (function() {
// Suffix.
var sfx = 'MatchesSelector';
var tag = document.createElement('div');
var name;
['matches', 'webkit' + sfx, 'moz' + sfx, 'ms' + sfx].some(function(item) {
var valid = (item in tag);
name = item;
return valid;
});
if (!name) {
throw new Error('Element#matches is not supported');
}
return function(element, selector) {
return element[name](selector)
// Perform a deep comparison to check if two objects are equal.
utils.isEqual = function(a, b) {
return eq(a, b, [], []);
};
})();
// Backbone.Events
// ---------------
......@@ -343,7 +310,6 @@ var Events = Backbone.Events = {
if (!eventsApi(this, 'once', name, [callback, context]) || !callback) return this;
var self = this;
var ran;
var once = function() {
if (ran) return;
ran = true;
......@@ -362,10 +328,9 @@ var Events = Backbone.Events = {
var retain, ev, events, names, i, l, j, k;
if (!this._events || !eventsApi(this, 'off', name, [callback, context])) return this;
if (!name && !callback && !context) {
this._events = {};
this._events = void 0;
return this;
}
names = name ? [name] : Object.keys(this._events);
for (i = 0, l = names.length; i < l; i++) {
name = names[i];
......@@ -459,7 +424,7 @@ var triggerEvents = function(events, args) {
case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args);
default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
}
};
......@@ -483,6 +448,11 @@ Object.keys(listenMethods).forEach(function(method) {
// Aliases for backwards compatibility.
Events.bind = Events.on;
Events.unbind = Events.off;
// Allow the `Backbone` object to serve as a global event bus, for folks who
// want global "pubsub" in a convenient place.
_.extend(Backbone, Events);
// Backbone.Model
// --------------
......@@ -525,7 +495,7 @@ _.extend(Model.prototype, Events, {
// Return a copy of the model's `attributes` object.
toJSON: function(options) {
return _.extend(Object.create(null), this.attributes);
return _.extend({}, this.attributes);
},
// Proxy `Backbone.sync` by default -- but override this if you need
......@@ -600,7 +570,7 @@ _.extend(Model.prototype, Events, {
// Trigger all relevant attribute changes.
if (!silent) {
if (changes.length) this._pending = true;
if (changes.length) this._pending = options;
for (var i = 0, l = changes.length; i < l; i++) {
this.trigger('change:' + changes[i], this, current[changes[i]], options);
}
......@@ -611,6 +581,7 @@ _.extend(Model.prototype, Events, {
if (changing) return this;
if (!silent) {
while (this._pending) {
options = this._pending;
this._pending = false;
this.trigger('change', this, options);
}
......@@ -637,7 +608,7 @@ _.extend(Model.prototype, Events, {
// If you specify an attribute name, determine if that attribute has changed.
hasChanged: function(attr) {
if (attr == null) return !!Object.keys(this.changed).length;
return hasOwnProperty.call(this.changed, attr);
return _.has(this.changed, attr);
},
// Return an object containing all the attributes that have changed, or
......@@ -778,9 +749,12 @@ _.extend(Model.prototype, Events, {
// using Backbone's restful methods, override this to change the endpoint
// that will be called.
url: function() {
var base = _.result(this, 'urlRoot') || _.result(this.collection, 'url') || urlError();
var base =
_.result(this, 'urlRoot') ||
_.result(this.collection, 'url') ||
urlError();
if (this.isNew()) return base;
return base + (base.charAt(base.length - 1) === '/' ? '' : '/') + encodeURIComponent(this.id);
return base.replace(/([^\/])$/, '$1/') + encodeURIComponent(this.id);
},
// **parse** converts a response into the hash of attributes to be `set` on
......@@ -796,7 +770,7 @@ _.extend(Model.prototype, Events, {
// A model is new if it has never been saved to the server, and lacks an id.
isNew: function() {
return this.id == null;
return !this.has(this.idAttribute);
},
// Check if the model is currently in a valid state.
......@@ -822,7 +796,7 @@ if (_.keys) {
var modelMethods = ['keys', 'values', 'pairs', 'invert', 'pick', 'omit'];
// Mix in each Underscore method as a proxy to `Model#attributes`.
modelMethods.forEach(function(method) {
modelMethods.filter(utilExists).forEach(function(method) {
Model.prototype[method] = function() {
var args = slice.call(arguments);
args.unshift(this.attributes);
......@@ -830,6 +804,7 @@ if (_.keys) {
};
});
}
// Backbone.Collection
// -------------------
......@@ -901,7 +876,7 @@ _.extend(Collection.prototype, Events, {
options.index = index;
model.trigger('remove', model, this, options);
}
this._removeReference(model);
this._removeReference(model, options);
}
return singular ? models[0] : models;
},
......@@ -927,11 +902,11 @@ _.extend(Collection.prototype, Events, {
// Turn bare objects into model references, and prevent invalid models
// from being added.
for (i = 0, l = models.length; i < l; i++) {
attrs = models[i];
attrs = models[i] || {};
if (attrs instanceof Model) {
id = model = attrs;
} else {
id = attrs[targetModel.prototype.idAttribute];
id = attrs[targetModel.prototype.idAttribute || 'id'];
}
// If a duplicate is found, prevent it from being added and
......@@ -951,14 +926,13 @@ _.extend(Collection.prototype, Events, {
model = models[i] = this._prepareModel(attrs, options);
if (!model) continue;
toAdd.push(model);
// Listen to added models' events, and index models for lookup by
// `id` and by `cid`.
model.on('all', this._onModelEvent, this);
this._byId[model.cid] = model;
if (model.id != null) this._byId[model.id] = model;
this._addReference(model, options);
}
if (order) order.push(existing || model);
// Do not add multiple models with the same `id`.
model = existing || model;
if (order && (model.isNew() || !modelMap[model.id])) order.push(model);
modelMap[model.id] = true;
}
// Remove nonexistent models if appropriate.
......@@ -1008,7 +982,7 @@ _.extend(Collection.prototype, Events, {
reset: function(models, options) {
options || (options = {});
for (var i = 0, l = this.models.length; i < l; i++) {
this._removeReference(this.models[i]);
this._removeReference(this.models[i], options);
}
options.previousModels = this.models;
this._reset();
......@@ -1049,7 +1023,7 @@ _.extend(Collection.prototype, Events, {
// Get a model from the set by id.
get: function(obj) {
if (obj == null) return void 0;
return this._byId[obj.id] || this._byId[obj.cid] || this._byId[obj];
return this._byId[obj] || this._byId[obj.id] || this._byId[obj.cid];
},
// Get the model at the given index.
......@@ -1127,7 +1101,7 @@ _.extend(Collection.prototype, Events, {
if (!options.wait) this.add(model, options);
var collection = this;
var success = options.success;
options.success = function(model, resp, options) {
options.success = function(model, resp) {
if (options.wait) collection.add(model, options);
if (success) success(model, resp, options);
};
......@@ -1151,17 +1125,14 @@ _.extend(Collection.prototype, Events, {
_reset: function() {
this.length = 0;
this.models = [];
this._byId = {};
this._byId = Object.create(null);
},
// Prepare a hash of attributes (or other model) to be added to this
// collection.
_prepareModel: function(attrs, options) {
if (attrs instanceof Collection.prototype.model) {
if (!attrs.collection) attrs.collection = this;
return attrs;
}
options = options ? _.extend({}, options) : {};
if (attrs instanceof Model) return attrs;
options = _.extend({}, options);
options.collection = this;
var model = new this.model(attrs, options);
if (!model.validationError) return model;
......@@ -1169,8 +1140,16 @@ _.extend(Collection.prototype, Events, {
return false;
},
// Internal method to create a model's ties to a collection.
_addReference: function(model, options) {
this._byId[model.cid] = model;
if (model.id != null) this._byId[model.id] = model;
if (!model.collection) model.collection = this;
model.on('all', this._onModelEvent, this);
},
// Internal method to sever a model's ties to a collection.
_removeReference: function(model) {
_removeReference: function(model, options) {
if (this === model.collection) delete model.collection;
model.off('all', this._onModelEvent, this);
},
......@@ -1191,7 +1170,7 @@ _.extend(Collection.prototype, Events, {
});
if (_.each) {
if (utilExists('each')) {
// Underscore methods that we want to implement on the Collection.
// 90% of the core usefulness of Backbone Collections is actually implemented
// right here:
......@@ -1203,7 +1182,7 @@ if (_.each) {
'lastIndexOf', 'isEmpty', 'chain'];
// Mix in each Underscore method as a proxy to `Collection#models`.
methods.forEach(function(method) {
methods.filter(utilExists).forEach(function(method) {
Collection.prototype[method] = function() {
var args = slice.call(arguments);
args.unshift(this.models);
......@@ -1215,7 +1194,7 @@ if (_.each) {
var attributeMethods = ['groupBy', 'countBy', 'sortBy'];
// Use attributes instead of properties.
attributeMethods.forEach(function(method) {
attributeMethods.filter(utilExists).forEach(function(method) {
Collection.prototype[method] = function(value, context) {
var iterator = typeof value === 'function' ? value : function(model) {
return model.get(value);
......@@ -1226,12 +1205,23 @@ if (_.each) {
} else {
['forEach', 'map', 'filter', 'some', 'every', 'reduce', 'reduceRight',
'indexOf', 'lastIndexOf'].forEach(function(method) {
var fn = Array.prototype[method];
Collection.prototype[method] = function(arg, context) {
return fn.call(this.models, arg, context);
return this.models[method](arg, context);
};
});
// Exoskeleton-specific:
Collection.prototype.find = function(iterator, context) {
var result;
this.some(function(value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
return true;
}
});
return result;
};
// Underscore methods that take a property name as an argument.
['sortBy'].forEach(function(method) {
Collection.prototype[method] = function(value, context) {
......@@ -1242,614 +1232,539 @@ if (_.each) {
};
});
}
// Backbone.View
// -------------
// Backbone Views are almost more convention than they are actual code. A View
// is simply a JavaScript object that represents a logical chunk of UI in the
// DOM. This might be a single item, an entire list, a sidebar or panel, or
// even the surrounding frame which wraps your whole app. Defining a chunk of
// UI as a **View** allows you to define your DOM events declaratively, without
// having to worry about render order ... and makes it easy for the view to
// react to specific changes in the state of your models.
// Options with special meaning *(e.g. model, collection, id, className)* are
// attached directly to the view. See `viewOptions` for an exhaustive
// list.
// Cached regex to split keys for `delegate`.
var delegateEventSplitter = /^(\S+)\s*(.*)$/;
// List of view options to be merged as properties.
var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
// Creating a Backbone.View creates its initial element outside of the DOM,
// if an existing element is not provided...
var View = Backbone.View = function(options) {
this.cid = _.uniqueId('view');
if (options) Object.keys(options).forEach(function(key) {
if (viewOptions.indexOf(key) !== -1) this[key] = options[key];
}, this);
this._handlers = [];
this._ensureElement();
this.initialize.apply(this, arguments);
this.delegateEvents();
};
// Set up all inheritable **Backbone.View** properties and methods.
_.extend(View.prototype, Events, {
// The default `tagName` of a View's element is `"div"`.
tagName: 'div',
// jQuery delegate for element lookup, scoped to DOM elements within the
// current view. This should be preferred to global lookups where possible.
$: function(selector) {
return Backbone.$ ? this.$el.find(selector) : this.findAll(selector);
},
// Backbone.View
// -------------
// Exoskeleton-related DOM methods.
find: function(selector) {
return this.el.querySelector(selector);
},
// Backbone Views are almost more convention than they are actual code. A View
// is simply a JavaScript object that represents a logical chunk of UI in the
// DOM. This might be a single item, an entire list, a sidebar or panel, or
// even the surrounding frame which wraps your whole app. Defining a chunk of
// UI as a **View** allows you to define your DOM events declaratively, without
// having to worry about render order ... and makes it easy for the view to
// react to specific changes in the state of your models.
// Creating a Backbone.View creates its initial element outside of the DOM,
// if an existing element is not provided...
var View = Backbone.View = function(options) {
this.cid = _.uniqueId('view');
if (options) Object.keys(options).forEach(function(key) {
if (viewOptions.indexOf(key) !== -1) this[key] = options[key];
}, this);
this._ensureElement();
this.initialize.apply(this, arguments);
};
findAll: function(selector) {
return slice.call(this.el.querySelectorAll(selector));
},
// Cached regex to split keys for `delegate`.
var delegateEventSplitter = /^(\S+)\s*(.*)$/;
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
// List of view options to be merged as properties.
var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
// **render** is the core function that your view should override, in order
// to populate its element (`this.el`), with the appropriate HTML. The
// convention is for **render** to always return `this`.
render: function() {
return this;
},
// Set up all inheritable **Backbone.View** properties and methods.
_.extend(View.prototype, Events, {
// Remove this view by taking the element out of the DOM, and removing any
// applicable Backbone.Events listeners.
remove: function() {
if (Backbone.$) {
this.$el.remove()
} else if (this.el.parentNode) {
this.el.parentNode.removeChild(this.el);
}
this.stopListening();
return this;
},
// The default `tagName` of a View's element is `"div"`.
tagName: 'div',
// Change the view's element (`this.el` property), including event
// re-delegation.
setElement: function(element, delegate) {
if (Backbone.$) {
if (this.$el) this.undelegateEvents();
this.$el = element instanceof Backbone.$ ? element : Backbone.$(element);
this.el = this.$el[0];
} else {
if (this.el) this.undelegateEvents();
var el = (typeof element === 'string') ?
document.querySelector(element) : element;
this.el = el;
}
if (delegate !== false) this.delegateEvents();
return this;
},
// jQuery delegate for element lookup, scoped to DOM elements within the
// current view. This should be preferred to global lookups where possible.
$: function(selector) {
return this.$el.find(selector);
},
delegate: function(eventName, selector, callback) {
if (typeof selector === 'function') {
callback = selector;
selector = null;
}
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
if (typeof callback !== 'function') {
throw new TypeError('View#delegate expects callback function');
}
// **render** is the core function that your view should override, in order
// to populate its element (`this.el`), with the appropriate HTML. The
// convention is for **render** to always return `this`.
render: function() {
return this;
},
var root = this.el;
var bound = callback.bind(this);
var handler = selector ? function(event) {
// if (event.target === root) {
// event.delegateTarget = el;
// return bound(event);
// }
for (var el = event.target; el && el !== root; el = el.parentNode) {
if (utils.matchesSelector(el, selector)) {
// event.currentTarget or event.target are read-only.
event.delegateTarget = el;
return bound(event);
}
// Remove this view by taking the element out of the DOM, and removing any
// applicable Backbone.Events listeners.
remove: function() {
this._removeElement();
this.stopListening();
return this;
},
// Remove this view's element from the document and all event listeners
// attached to it. Exposed for subclasses using an alternative DOM
// manipulation API.
_removeElement: function() {
this.$el.remove();
},
// Change the view's element (`this.el` property) and re-delegate the
// view's events on the new element.
setElement: function(element) {
this.undelegateEvents();
this._setElement(element);
this.delegateEvents();
return this;
},
// Creates the `this.el` and `this.$el` references for this view using the
// given `el` and a hash of `attributes`. `el` can be a CSS selector or an
// HTML string, a jQuery context or an element. Subclasses can override
// this to utilize an alternative DOM manipulation API and are only required
// to set the `this.el` property.
_setElement: function(el) {
if (!Backbone.$) throw new Error('You must either include jQuery or override Backbone.View.prototype methods (Google Backbone.NativeView)');
this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
this.el = this.$el[0];
},
// Set callbacks, where `this.events` is a hash of
//
// *{"event selector": "callback"}*
//
// {
// 'mousedown .title': 'edit',
// 'click .button': 'save',
// 'click .open': function(e) { ... }
// }
//
// pairs. Callbacks will be bound to the view, with `this` set properly.
// Uses event delegation for efficiency.
// Omitting the selector binds the event to `this.el`.
delegateEvents: function(events) {
if (!(events || (events = _.result(this, 'events')))) return this;
this.undelegateEvents();
for (var key in events) {
var method = events[key];
if (typeof method !== 'function') method = this[events[key]];
// if (!method) continue;
var match = key.match(delegateEventSplitter);
this.delegate(match[1], match[2], method.bind(this));
}
} : bound;
root.addEventListener(eventName, handler, false);
this._handlers.push({
eventName: eventName, selector: selector,
callback: callback, handler: handler
});
return handler;
},
undelegate: function(eventName, selector, callback) {
if (typeof selector === 'function') {
callback = selector;
selector = null;
}
var root = this.el;
var handlers = this._handlers;
var removeListener = function(item) {
root.removeEventListener(item.eventName, item.handler, false);
};
// Remove all handlers.
if (!eventName && !selector && !callback) {
handlers.forEach(removeListener);
this._handlers = [];
} else {
// Remove some handlers.
handlers
.filter(function(item) {
return item.eventName === eventName &&
(callback ? item.callback === callback : true) &&
(selector ? item.selector === selector : true);
})
.forEach(function(item) {
removeListener(item);
handlers.splice(handlers.indexOf(item), 1);
});
}
},
// Set callbacks, where `this.events` is a hash of
//
// *{"event selector": "callback"}*
//
// {
// 'mousedown .title': 'edit',
// 'click .button': 'save',
// 'click .open': function(e) { ... }
// }
//
// pairs. Callbacks will be bound to the view, with `this` set properly.
// Uses event delegation for efficiency.
// Omitting the selector binds the event to `this.el`.
// This only works for delegate-able events: not `focus`, `blur`, and
// not `change`, `submit`, and `reset` in Internet Explorer.
delegateEvents: function(events, keepOld) {
if (!(events || (events = _.result(this, 'events')))) return this;
if (!keepOld) this.undelegateEvents();
for (var key in events) {
var method = events[key];
if (typeof method !== 'function') method = this[events[key]];
// if (!method) continue;
var match = key.match(delegateEventSplitter);
var eventName = match[1], selector = match[2];
if (Backbone.$) {
eventName += '.delegateEvents' + this.cid;
method = method.bind(this);
this.$el.on(eventName, (selector ? selector : null), method);
return this;
},
// Add a single event listener to the view's element (or a child element
// using `selector`). This only works for delegate-able events: not `focus`,
// `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
delegate: function(eventName, selector, listener) {
this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
},
// Clears all callbacks previously bound to the view by `delegateEvents`.
// You usually don't need to use this, but may wish to if you have multiple
// Backbone views attached to the same DOM element.
undelegateEvents: function() {
if (this.$el) this.$el.off('.delegateEvents' + this.cid);
return this;
},
// A finer-grained `undelegateEvents` for removing a single delegated event.
// `selector` and `listener` are both optional.
undelegate: function(eventName, selector, listener) {
this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
},
// Produces a DOM element to be assigned to your view. Exposed for
// subclasses using an alternative DOM manipulation API.
_createElement: function(tagName) {
return document.createElement(tagName);
},
// Ensure that the View has a DOM element to render into.
// If `this.el` is a string, pass it through `$()`, take the first
// matching element, and re-assign it to `el`. Otherwise, create
// an element from the `id`, `className` and `tagName` properties.
_ensureElement: function() {
if (!this.el) {
var attrs = _.extend({}, _.result(this, 'attributes'));
if (this.id) attrs.id = _.result(this, 'id');
if (this.className) attrs['class'] = _.result(this, 'className');
this.setElement(this._createElement(_.result(this, 'tagName')));
this._setAttributes(attrs);
} else {
this.delegate(eventName, selector, method)
this.setElement(_.result(this, 'el'));
}
}
return this;
},
// Clears all callbacks previously bound to the view with `delegateEvents`.
// You usually don't need to use this, but may wish to if you have multiple
// Backbone views attached to the same DOM element.
undelegateEvents: function() {
if (Backbone.$) {
this.$el.off('.delegateEvents' + this.cid);
} else {
this.undelegate();
}
return this;
},
},
// Ensure that the View has a DOM element to render into.
// If `this.el` is a string, pass it through `$()`, take the first
// matching element, and re-assign it to `el`. Otherwise, create
// an element from the `id`, `className` and `tagName` properties.
_ensureElement: function() {
if (!this.el) {
var attrs = _.extend({}, _.result(this, 'attributes'));
if (this.id) attrs.id = _.result(this, 'id');
if (this.className) attrs.className = _.result(this, 'className');
if (attrs['class']) attrs.className = attrs['class'];
var el = _.extend(document.createElement(_.result(this, 'tagName')), attrs);
this.setElement(el, false);
} else {
this.setElement(_.result(this, 'el'), false);
// Set attributes from a hash on this view's element. Exposed for
// subclasses using an alternative DOM manipulation API.
_setAttributes: function(attributes) {
this.$el.attr(attributes);
}
}
});
// Backbone.sync
// -------------
// Override this function to change the manner in which Backbone persists
// models to the server. You will be passed the type of request, and the
// model in question. By default, makes a RESTful Ajax request
// to the model's `url()`. Some possible customizations could be:
//
// * Use `setTimeout` to batch rapid-fire updates into a single request.
// * Send up the models as XML instead of JSON.
// * Persist models via WebSockets instead of Ajax.
//
// Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
// as `POST`, with a `_method` parameter containing the true HTTP method,
// as well as all requests with the body as `application/x-www-form-urlencoded`
// instead of `application/json` with the model in a param named `model`.
// Useful when interfacing with server-side languages like **PHP** that make
// it difficult to read the body of `PUT` requests.
Backbone.sync = function(method, model, options) {
var type = methodMap[method];
// Default options, unless specified.
_.defaults(options || (options = {}), {
emulateHTTP: Backbone.emulateHTTP,
emulateJSON: Backbone.emulateJSON
});
// Backbone.sync
// -------------
// Default JSON-request options.
var params = {type: type, dataType: 'json'};
// Ensure that we have a URL.
if (!options.url) {
params.url = _.result(model, 'url') || urlError();
}
// Ensure that we have the appropriate request data.
if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
params.contentType = 'application/json';
params.data = JSON.stringify(options.attrs || model.toJSON(options));
}
// For older servers, emulate JSON by encoding the request into an HTML-form.
if (options.emulateJSON) {
params.contentType = 'application/x-www-form-urlencoded';
params.data = params.data ? {model: params.data} : {};
}
// For older servers, emulate HTTP by mimicking the HTTP method with `_method`
// And an `X-HTTP-Method-Override` header.
if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
params.type = 'POST';
if (options.emulateJSON) params.data._method = type;
var beforeSend = options.beforeSend;
options.beforeSend = function(xhr) {
xhr.setRequestHeader('X-HTTP-Method-Override', type);
if (beforeSend) return beforeSend.apply(this, arguments);
};
}
// Don't process data on a non-GET request.
if (params.type !== 'GET' && !options.emulateJSON) {
params.processData = false;
}
// Make the request, allowing the user to override any Ajax options.
var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
model.trigger('request', model, xhr, options);
return xhr;
};
// Map from CRUD to HTTP for our default `Backbone.sync` implementation.
var methodMap = {
'create': 'POST',
'update': 'PUT',
'patch': 'PATCH',
'delete': 'DELETE',
'read': 'GET'
};
// Set the default implementation of `Backbone.ajax` to proxy through to `$`.
// Override this if you'd like to use a different library.
Backbone.ajax = function() {
return Backbone.$.ajax.apply(Backbone.$, arguments);
};
// Backbone.Router
// ---------------
// Routers map faux-URLs to actions, and fire events when routes are
// matched. Creating a new one sets its `routes` hash, if not set statically.
var Router = Backbone.Router = function(options) {
options || (options = {});
if (options.routes) this.routes = options.routes;
this._bindRoutes();
this.initialize.apply(this, arguments);
};
// Cached regular expressions for matching named param parts and splatted
// parts of route strings.
var optionalParam = /\((.*?)\)/g;
var namedParam = /(\(\?)?:\w+/g;
var splatParam = /\*\w+/g;
var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
var isRegExp = function(value) {
return value ? (typeof value === 'object' && toString.call(value) === '[object RegExp]') : false;
};
// Override this function to change the manner in which Backbone persists
// models to the server. You will be passed the type of request, and the
// model in question. By default, makes a RESTful Ajax request
// to the model's `url()`. Some possible customizations could be:
//
// * Use `setTimeout` to batch rapid-fire updates into a single request.
// * Send up the models as XML instead of JSON.
// * Persist models via WebSockets instead of Ajax.
Backbone.sync = function(method, model, options) {
options || (options = {})
// Set up all inheritable **Backbone.Router** properties and methods.
_.extend(Router.prototype, Events, {
var type = methodMap[method];
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
// Default JSON-request options.
var params = {type: type, dataType: 'json'};
// Manually bind a single named route to a callback. For example:
//
// this.route('search/:query/p:num', 'search', function(query, num) {
// ...
// });
//
route: function(route, name, callback) {
if (!isRegExp(route)) route = this._routeToRegExp(route);
if (typeof name === 'function') {
callback = name;
name = '';
// Ensure that we have a URL.
if (!options.url) {
params.url = _.result(model, 'url') || urlError();
}
if (!callback) callback = this[name];
var router = this;
Backbone.history.route(route, function(fragment) {
var args = router._extractParameters(route, fragment);
callback && callback.apply(router, args);
router.trigger.apply(router, ['route:' + name].concat(args));
router.trigger('route', name, args);
Backbone.history.trigger('route', router, name, args);
});
return this;
},
// Simple proxy to `Backbone.history` to save a fragment into the history.
navigate: function(fragment, options) {
Backbone.history.navigate(fragment, options);
return this;
},
// Bind all defined routes to `Backbone.history`. We have to reverse the
// order of the routes here to support behavior where the most general
// routes can be defined at the bottom of the route map.
_bindRoutes: function() {
if (!this.routes) return;
this.routes = _.result(this, 'routes');
var route, routes = Object.keys(this.routes);
while ((route = routes.pop()) != null) {
this.route(route, this.routes[route]);
// Ensure that we have the appropriate request data.
if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
params.contentType = 'application/json';
params.data = JSON.stringify(options.attrs || model.toJSON(options));
}
},
// Convert a route string into a regular expression, suitable for matching
// against the current location hash.
_routeToRegExp: function(route) {
route = route.replace(escapeRegExp, '\\$&')
.replace(optionalParam, '(?:$1)?')
.replace(namedParam, function(match, optional) {
return optional ? match : '([^\/]+)';
})
.replace(splatParam, '(.*?)');
return new RegExp('^' + route + '$');
},
// Don't process data on a non-GET request.
if (params.type !== 'GET') {
params.processData = false;
}
// Given a route, and a URL fragment that it matches, return the array of
// extracted decoded parameters. Empty or unmatched parameters will be
// treated as `null` to normalize cross-browser behavior.
_extractParameters: function(route, fragment) {
var params = route.exec(fragment).slice(1);
return params.map(function(param) {
return param ? decodeURIComponent(param) : null;
});
}
// Make the request, allowing the user to override any Ajax options.
var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
model.trigger('request', model, xhr, options);
return xhr;
};
});
// Backbone.History
// ----------------
// Handles cross-browser history management, based on either
// [pushState](http://diveintohtml5.info/history.html) and real URLs, or
// [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
// and URL fragments.
var History = Backbone.History = function() {
this.handlers = [];
this.checkUrl = this.checkUrl.bind(this);
// Ensure that `History` can be used outside of the browser.
if (typeof window !== 'undefined') {
this.location = window.location;
this.history = window.history;
}
};
// Map from CRUD to HTTP for our default `Backbone.sync` implementation.
var methodMap = {
'create': 'POST',
'update': 'PUT',
'patch': 'PATCH',
'delete': 'DELETE',
'read': 'GET'
};
// Cached regex for stripping a leading hash/slash and trailing space.
var routeStripper = /^[#\/]|\s+$/g;
// Set the default implementation of `Backbone.ajax` to proxy through to `$`.
// Override this if you'd like to use a different library.
Backbone.ajax = function() {
if (!Backbone.$) throw new Error('You must either include jQuery or override Backbone.ajax (Google Backbone.NativeAjax)');
return Backbone.$.ajax.apply(Backbone.$, arguments);
};
// Cached regex for stripping leading and trailing slashes.
var rootStripper = /^\/+|\/+$/g;
// Backbone.Router
// ---------------
// Cached regex for removing a trailing slash.
var trailingSlash = /\/$/;
// Routers map faux-URLs to actions, and fire events when routes are
// matched. Creating a new one sets its `routes` hash, if not set statically.
var Router = Backbone.Router = function(options) {
options || (options = {});
if (options.routes) this.routes = options.routes;
this._bindRoutes();
this.initialize.apply(this, arguments);
};
// Cached regex for stripping urls of hash and query.
var pathStripper = /[#].*$/;
// Cached regular expressions for matching named param parts and splatted
// parts of route strings.
var optionalParam = /\((.*?)\)/g;
var namedParam = /(\(\?)?:\w+/g;
var splatParam = /\*\w+/g;
var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
// Has the history handling already been started?
History.started = false;
var isRegExp = function(value) {
return value ? (typeof value === 'object' && toString.call(value) === '[object RegExp]') : false;
};
// Set up all inheritable **Backbone.History** properties and methods.
_.extend(History.prototype, Events, {
// Set up all inheritable **Backbone.Router** properties and methods.
_.extend(Router.prototype, Events, {
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
// Manually bind a single named route to a callback. For example:
//
// this.route('search/:query/p:num', 'search', function(query, num) {
// ...
// });
//
route: function(route, name, callback) {
if (!isRegExp(route)) route = this._routeToRegExp(route);
if (typeof name === 'function') {
callback = name;
name = '';
}
if (!callback) callback = this[name];
var router = this;
Backbone.history.route(route, function(fragment) {
var args = router._extractParameters(route, fragment);
router.execute(callback, args);
router.trigger.apply(router, ['route:' + name].concat(args));
router.trigger('route', name, args);
Backbone.history.trigger('route', router, name, args);
});
return this;
},
// Gets the true hash value. Cannot use location.hash directly due to bug
// in Firefox where location.hash will always be decoded.
getHash: function(window) {
var match = (window || this).location.href.match(/#(.*)$/);
return match ? match[1] : '';
},
// Execute a route handler with the provided parameters. This is an
// excellent place to do pre-route setup or post-route cleanup.
execute: function(callback, args) {
if (callback) callback.apply(this, args);
},
// Get the cross-browser normalized URL fragment, either from the URL,
// the hash, or the override.
getFragment: function(fragment) {
if (fragment == null) {
if (this._wantsPushState || !this._wantsHashChange) {
// CHANGED: Make fragment include query string.
fragment = this.location.pathname + this.location.search;
var root = this.root.replace(trailingSlash, '');
if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
} else {
fragment = this.getHash();
// Simple proxy to `Backbone.history` to save a fragment into the history.
navigate: function(fragment, options) {
Backbone.history.navigate(fragment, options);
return this;
},
// Bind all defined routes to `Backbone.history`. We have to reverse the
// order of the routes here to support behavior where the most general
// routes can be defined at the bottom of the route map.
_bindRoutes: function() {
if (!this.routes) return;
this.routes = _.result(this, 'routes');
var route, routes = Object.keys(this.routes);
while ((route = routes.pop()) != null) {
this.route(route, this.routes[route]);
}
}
return fragment.replace(routeStripper, '');
},
// Start the hash change handling, returning `true` if the current URL matches
// an existing route, and `false` otherwise.
start: function(options) {
if (History.started) throw new Error("Backbone.history has already been started");
History.started = true;
// Figure out the initial configuration.
// Is pushState desired or should we use hashchange only?
this.options = _.extend({root: '/'}, this.options, options);
this.root = this.options.root;
this._wantsHashChange = this.options.hashChange !== false;
this._wantsPushState = !!this.options.pushState;
var fragment = this.getFragment();
// Normalize root to always include a leading and trailing slash.
this.root = ('/' + this.root + '/').replace(rootStripper, '/');
// Depending on whether we're using pushState or hashes, determine how we
// check the URL state.
if (this._wantsPushState) {
window.addEventListener('popstate', this.checkUrl, false);
} else if (this._wantsHashChange) {
window.addEventListener('hashchange', this.checkUrl, false);
},
// Convert a route string into a regular expression, suitable for matching
// against the current location hash.
_routeToRegExp: function(route) {
route = route.replace(escapeRegExp, '\\$&')
.replace(optionalParam, '(?:$1)?')
.replace(namedParam, function(match, optional) {
return optional ? match : '([^/?]+)';
})
.replace(splatParam, '([^?]*?)');
return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
},
// Given a route, and a URL fragment that it matches, return the array of
// extracted decoded parameters. Empty or unmatched parameters will be
// treated as `null` to normalize cross-browser behavior.
_extractParameters: function(route, fragment) {
var params = route.exec(fragment).slice(1);
return params.map(function(param, i) {
// Don't decode the search params.
if (i === params.length - 1) return param || null;
return param ? decodeURIComponent(param) : null;
});
}
// Determine if we need to change the base url, for a pushState link
// opened by a non-pushState browser.
this.fragment = fragment;
var loc = this.location;
var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root;
// Transition from hashChange to pushState or vice versa if both are
// requested.
if (this._wantsHashChange && this._wantsPushState) {
// If we've started out with a hash-based route, but we're currently
// in a browser where it could be `pushState`-based instead...
if (atRoot && loc.hash) {
this.fragment = this.getHash().replace(routeStripper, '');
// CHANGED: It's no longer needed to add loc.search at the end,
// as query params have been already included into @fragment
this.history.replaceState({}, document.title, this.root + this.fragment);
}
});
// Backbone.History
// ----------------
// Handles cross-browser history management, based on either
// [pushState](http://diveintohtml5.info/history.html) and real URLs, or
// [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
// and URL fragments.
var History = Backbone.History = function() {
this.handlers = [];
this.checkUrl = this.checkUrl.bind(this);
// Ensure that `History` can be used outside of the browser.
if (typeof window !== 'undefined') {
this.location = window.location;
this.history = window.history;
}
};
if (!this.options.silent) return this.loadUrl();
},
// Cached regex for stripping a leading hash/slash and trailing space.
var routeStripper = /^[#\/]|\s+$/g;
// Cached regex for stripping leading and trailing slashes.
var rootStripper = /^\/+|\/+$/g;
// Cached regex for removing a trailing slash.
var trailingSlash = /\/$/;
// Cached regex for stripping urls of hash and query.
var pathStripper = /[#].*$/;
// Has the history handling already been started?
History.started = false;
// Set up all inheritable **Backbone.History** properties and methods.
_.extend(History.prototype, Events, {
// Are we at the app root?
atRoot: function() {
return this.location.pathname.replace(/[^\/]$/, '$&/') === this.root;
},
// Gets the true hash value. Cannot use location.hash directly due to bug
// in Firefox where location.hash will always be decoded.
getHash: function(window) {
var match = (window || this).location.href.match(/#(.*)$/);
return match ? match[1] : '';
},
// Get the cross-browser normalized URL fragment, either from the URL,
// the hash, or the override.
getFragment: function(fragment, forcePushState) {
if (fragment == null) {
if (this._wantsPushState || !this._wantsHashChange) {
fragment = decodeURI(this.location.pathname + this.location.search);
var root = this.root.replace(trailingSlash, '');
if (!fragment.indexOf(root)) fragment = fragment.slice(root.length);
} else {
fragment = this.getHash();
}
}
return fragment.replace(routeStripper, '');
},
// Start the hash change handling, returning `true` if the current URL matches
// an existing route, and `false` otherwise.
start: function(options) {
if (History.started) throw new Error("Backbone.history has already been started");
History.started = true;
// Figure out the initial configuration.
// Is pushState desired or should we use hashchange only?
this.options = _.extend({root: '/'}, this.options, options);
this.root = this.options.root;
this._wantsHashChange = this.options.hashChange !== false;
this._wantsPushState = !!this.options.pushState;
var fragment = this.getFragment();
// Normalize root to always include a leading and trailing slash.
this.root = ('/' + this.root + '/').replace(rootStripper, '/');
// Depending on whether we're using pushState or hashes, determine how we
// check the URL state.
if (this._wantsPushState) {
window.addEventListener('popstate', this.checkUrl, false);
} else if (this._wantsHashChange) {
window.addEventListener('hashchange', this.checkUrl, false);
}
// Disable Backbone.history, perhaps temporarily. Not useful in a real app,
// but possibly useful for unit testing Routers.
stop: function() {
window.removeEventListener('popstate', this.checkUrl);
window.removeEventListener('hashchange', this.checkUrl);
History.started = false;
},
// Determine if we need to change the base url, for a pushState link
// opened by a non-pushState browser.
this.fragment = fragment;
var loc = this.location;
// Add a route to be tested when the fragment changes. Routes added later
// may override previous routes.
route: function(route, callback) {
this.handlers.unshift({route: route, callback: callback});
},
// Transition from hashChange to pushState or vice versa if both are
// requested.
if (this._wantsHashChange && this._wantsPushState) {
// Checks the current URL to see if it has changed, and if it has,
// calls `loadUrl`.
checkUrl: function(e) {
var current = this.getFragment();
if (current === this.fragment) return false;
this.loadUrl();
},
// If we've started out with a hash-based route, but we're currently
// in a browser where it could be `pushState`-based instead...
if (this.atRoot() && loc.hash) {
this.fragment = this.getHash().replace(routeStripper, '');
this.history.replaceState({}, document.title, this.root + this.fragment);
}
// Attempt to load the current URL fragment. If a route succeeds with a
// match, returns `true`. If no defined routes matches the fragment,
// returns `false`.
loadUrl: function(fragment) {
fragment = this.fragment = this.getFragment(fragment);
return this.handlers.some(function(handler) {
if (handler.route.test(fragment)) {
handler.callback(fragment);
return true;
}
});
},
// Save a fragment into the hash history, or replace the URL state if the
// 'replace' option is passed. You are responsible for properly URL-encoding
// the fragment in advance.
//
// The options object can contain `trigger: true` if you wish to have the
// route callback be fired (not usually desirable), or `replace: true`, if
// you wish to modify the current URL without adding an entry to the history.
navigate: function(fragment, options) {
if (!History.started) return false;
if (!options || options === true) options = {trigger: !!options};
var url = this.root + (fragment = this.getFragment(fragment || ''));
// Strip the fragment of the query and hash for matching.
fragment = fragment.replace(pathStripper, '');
if (this.fragment === fragment) return;
this.fragment = fragment;
// Don't include a trailing slash on the root.
if (fragment === '' && url !== '/') url = url.slice(0, -1);
// If we're using pushState we use it to set the fragment as a real URL.
if (this._wantsPushState) {
this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
// If hash changes haven't been explicitly disabled, update the hash
// fragment to store history.
} else if (this._wantsHashChange) {
this._updateHash(this.location, fragment, options.replace);
// If you've told us that you explicitly don't want fallback hashchange-
// based history, then `navigate` becomes a page refresh.
} else {
return this.location.assign(url);
if (!this.options.silent) return this.loadUrl();
},
// Disable Backbone.history, perhaps temporarily. Not useful in a real app,
// but possibly useful for unit testing Routers.
stop: function() {
window.removeEventListener('popstate', this.checkUrl);
window.removeEventListener('hashchange', this.checkUrl);
History.started = false;
},
// Add a route to be tested when the fragment changes. Routes added later
// may override previous routes.
route: function(route, callback) {
this.handlers.unshift({route: route, callback: callback});
},
// Checks the current URL to see if it has changed, and if it has,
// calls `loadUrl`.
checkUrl: function() {
var current = this.getFragment();
if (current === this.fragment) return false;
this.loadUrl();
},
// Attempt to load the current URL fragment. If a route succeeds with a
// match, returns `true`. If no defined routes matches the fragment,
// returns `false`.
loadUrl: function(fragment) {
fragment = this.fragment = this.getFragment(fragment);
return this.handlers.some(function(handler) {
if (handler.route.test(fragment)) {
handler.callback(fragment);
return true;
}
});
},
// Save a fragment into the hash history, or replace the URL state if the
// 'replace' option is passed. You are responsible for properly URL-encoding
// the fragment in advance.
//
// The options object can contain `trigger: true` if you wish to have the
// route callback be fired (not usually desirable), or `replace: true`, if
// you wish to modify the current URL without adding an entry to the history.
navigate: function(fragment, options) {
if (!History.started) return false;
if (!options || options === true) options = {trigger: !!options};
var url = this.root + (fragment = this.getFragment(fragment || ''));
// Strip the hash for matching.
fragment = fragment.replace(pathStripper, '');
if (this.fragment === fragment) return;
this.fragment = fragment;
// Don't include a trailing slash on the root.
if (fragment === '' && url !== '/') url = url.slice(0, -1);
// If we're using pushState we use it to set the fragment as a real URL.
if (this._wantsPushState) {
this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
// If hash changes haven't been explicitly disabled, update the hash
// fragment to store history.
} else if (this._wantsHashChange) {
this._updateHash(this.location, fragment, options.replace);
// If you've told us that you explicitly don't want fallback hashchange-
// based history, then `navigate` becomes a page refresh.
} else {
return this.location.assign(url);
}
if (options.trigger) return this.loadUrl(fragment);
},
// Update the hash location, either replacing the current entry, or adding
// a new one to the browser history.
_updateHash: function(location, fragment, replace) {
if (replace) {
var href = location.href.replace(/(javascript:|#).*$/, '');
location.replace(href + '#' + fragment);
} else {
// Some browsers require that `hash` contains a leading #.
location.hash = '#' + fragment;
}
}
if (options.trigger) return this.loadUrl(fragment);
},
// Update the hash location, either replacing the current entry, or adding
// a new one to the browser history.
_updateHash: function(location, fragment, replace) {
if (replace) {
var href = location.href.replace(/(javascript:|#).*$/, '');
location.replace(href + '#' + fragment);
} else {
// Some browsers require that `hash` contains a leading #.
location.hash = '#' + fragment;
}
}
});
});
// !!!
// Init.
Model.extend = Collection.extend = Router.extend = View.extend = History.extend = Backbone.extend;
['Model', 'Collection', 'Router', 'View', 'History'].forEach(function(name) {
var item = Backbone[name];
if (item) item.extend = Backbone.extend;
});
// Allow the `Backbone` object to serve as a global event bus, for folks who
// want global "pubsub" in a convenient place.
_.extend(Backbone, Events);
// Create the default Backbone.history.
Backbone.history = new History;
// Create the default Backbone.history if the History module is included.
if (History) Backbone.history = new History();
return Backbone;
});
examples/exoskeleton/package.json
View file @ 28b669e4
{
"private": true,
"dependencies": {
"exoskeleton": "^0.3.0",
"exoskeleton": "^0.7.0",
"backbone.localstorage": "^1.1.16",
"backbone.nativeview": "^0.3.2",
"todomvc-app-css": "^1.0.0",
"todomvc-common": "^1.0.1",
"microtemplates": "^0.1.0"
......
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