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@ -1,26 +1,37 @@
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(function () { |
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var Events = { |
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import { _ } from "@/core"; |
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const Events = { |
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// Bind an event to a `callback` function. Passing `"all"` will bind
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// the callback to all events fired.
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on: function (name, callback, context) { |
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if (!eventsApi(this, "on", name, [callback, context]) || !callback) return this; |
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on(name, callback, context) { |
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if (!eventsApi(this, "on", name, [callback, context]) || !callback) { |
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return this; |
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} |
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this._events || (this._events = {}); |
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var events = this._events[name] || (this._events[name] = []); |
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events.push({callback: callback, context: context, ctx: context || this}); |
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const events = this._events[name] || (this._events[name] = []); |
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events.push({ |
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callback, |
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context, |
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ctx: context || this |
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}); |
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return this; |
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}, |
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// Bind an event to only be triggered a single time. After the first time
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// the callback is invoked, it will be removed.
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once: function (name, callback, context) { |
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if (!eventsApi(this, "once", name, [callback, context]) || !callback) return this; |
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var self = this; |
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var once = BI._.once(function () { |
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once(name, callback, context) { |
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if (!eventsApi(this, "once", name, [callback, context]) || !callback) { |
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return this; |
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} |
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const self = this; |
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var once = _.once(function () { |
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self.off(name, once); |
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callback.apply(this, arguments); |
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}); |
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once._callback = callback; |
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return this.on(name, once, context); |
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}, |
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@ -28,21 +39,27 @@
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// callbacks with that function. If `callback` is null, removes all
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// callbacks for the event. If `name` is null, removes all bound
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// callbacks for all events.
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off: function (name, callback, context) { |
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if (!this._events || !eventsApi(this, "off", name, [callback, context])) return this; |
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off(name, callback, context) { |
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if ( |
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!this._events || |
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!eventsApi(this, "off", name, [callback, context]) |
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) { |
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return this; |
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} |
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// Remove all callbacks for all events.
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if (!name && !callback && !context) { |
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this._events = void 0; |
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return this; |
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} |
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var names = name ? [name] : BI._.keys(this._events); |
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for (var i = 0, length = names.length; i < length; i++) { |
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const names = name ? [name] : _.keys(this._events); |
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for (let i = 0, length = names.length; i < length; i++) { |
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name = names[i]; |
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// Bail out if there are no events stored.
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var events = this._events[name]; |
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const events = this._events[name]; |
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if (!events) continue; |
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// Remove all callbacks for this event.
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@ -52,13 +69,14 @@
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} |
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// Find any remaining events.
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var remaining = []; |
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for (var j = 0, k = events.length; j < k; j++) { |
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var event = events[j]; |
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const remaining = []; |
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for (let j = 0, k = events.length; j < k; j++) { |
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const event = events[j]; |
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if ( |
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callback && callback !== event.callback && |
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callback !== event.callback._callback || |
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context && context !== event.context |
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(callback && |
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callback !== event.callback && |
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callback !== event.callback._callback) || |
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(context && context !== event.context) |
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) { |
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remaining.push(event); |
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} |
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@ -75,7 +93,7 @@
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return this; |
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}, |
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un: function () { |
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un() { |
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this.off.apply(this, arguments); |
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}, |
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@ -83,151 +101,172 @@
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// passed the same arguments as `trigger` is, apart from the event name
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// (unless you're listening on `"all"`, which will cause your callback to
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// receive the true name of the event as the first argument).
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trigger: function (name) { |
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trigger(name) { |
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if (!this._events) return this; |
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var args = slice.call(arguments, 1); |
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const args = slice.call(arguments, 1); |
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if (!eventsApi(this, "trigger", name, args)) return this; |
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var events = this._events[name]; |
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var allEvents = this._events.all; |
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const events = this._events[name]; |
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const allEvents = this._events.all; |
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if (events) triggerEvents(events, args); |
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if (allEvents) triggerEvents(allEvents, arguments); |
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return this; |
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}, |
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fireEvent: function () { |
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fireEvent() { |
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this.trigger.apply(this, arguments); |
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}, |
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// Inversion-of-control versions of `on` and `once`. Tell *this* object to
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// listen to an event in another object ... keeping track of what it's
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// listening to.
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listenTo: function (obj, name, callback) { |
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var listeningTo = this._listeningTo || (this._listeningTo = {}); |
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var id = obj._listenId || (obj._listenId = BI._.uniqueId("l")); |
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listenTo(obj, name, callback) { |
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const listeningTo = this._listeningTo || (this._listeningTo = {}); |
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const id = obj._listenId || (obj._listenId = _.uniqueId("l")); |
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listeningTo[id] = obj; |
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if (!callback && typeof name === "object") callback = this; |
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obj.on(name, callback, this); |
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return this; |
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}, |
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listenToOnce: function (obj, name, callback) { |
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listenToOnce(obj, name, callback) { |
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if (typeof name === "object") { |
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for (var event in name) this.listenToOnce(obj, event, name[event]); |
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for (const event in name) { |
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this.listenToOnce(obj, event, name[event]); |
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} |
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return this; |
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} |
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if (eventSplitter.test(name)) { |
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var names = name.split(eventSplitter); |
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for (var i = 0, length = names.length; i < length; i++) { |
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const names = name.split(eventSplitter); |
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for (let i = 0, length = names.length; i < length; i++) { |
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this.listenToOnce(obj, names[i], callback); |
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} |
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return this; |
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} |
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if (!callback) return this; |
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var once = BI._.once(function () { |
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var once = _.once(function () { |
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this.stopListening(obj, name, once); |
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callback.apply(this, arguments); |
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}); |
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once._callback = callback; |
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return this.listenTo(obj, name, once); |
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}, |
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// Tell this object to stop listening to either specific events ... or
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// to every object it's currently listening to.
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stopListening: function (obj, name, callback) { |
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var listeningTo = this._listeningTo; |
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stopListening(obj, name, callback) { |
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let listeningTo = this._listeningTo; |
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if (!listeningTo) return this; |
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var remove = !name && !callback; |
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const remove = !name && !callback; |
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if (!callback && typeof name === "object") callback = this; |
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if (obj) (listeningTo = {})[obj._listenId] = obj; |
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for (var id in listeningTo) { |
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for (const id in listeningTo) { |
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obj = listeningTo[id]; |
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obj.off(name, callback, this); |
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if (remove || BI._.isEmpty(obj._events)) delete this._listeningTo[id]; |
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if (remove || _.isEmpty(obj._events)) { |
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delete this._listeningTo[id]; |
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} |
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return this; |
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} |
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}; |
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return this; |
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} |
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}; |
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// Regular expression used to split event strings.
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var eventSplitter = /\s+/; |
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// Regular expression used to split event strings.
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var eventSplitter = /\s+/; |
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// Implement fancy features of the Events API such as multiple event
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// names `"change blur"` and jQuery-style event maps `{change: action}`
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// in terms of the existing API.
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var eventsApi = function (obj, action, name, rest) { |
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// Implement fancy features of the Events API such as multiple event
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// names `"change blur"` and jQuery-style event maps `{change: action}`
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// in terms of the existing API.
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var eventsApi = function (obj, action, name, rest) { |
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if (!name) return true; |
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// Handle event maps.
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if (typeof name === "object") { |
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for (var key in name) { |
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for (const key in name) { |
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obj[action].apply(obj, [key, name[key]].concat(rest)); |
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} |
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return false; |
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} |
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// Handle space separated event names.
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if (eventSplitter.test(name)) { |
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var names = name.split(eventSplitter); |
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for (var i = 0, length = names.length; i < length; i++) { |
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const names = name.split(eventSplitter); |
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for (let i = 0, length = names.length; i < length; i++) { |
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obj[action].apply(obj, [names[i]].concat(rest)); |
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} |
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return false; |
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} |
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return true; |
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}; |
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// A difficult-to-believe, but optimized internal dispatch function for
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// triggering events. Tries to keep the usual cases speedy (most internal
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// BI events have 3 arguments).
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var triggerEvents = function (events, args) { |
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var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2]; |
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}; |
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// A difficult-to-believe, but optimized internal dispatch function for
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// triggering events. Tries to keep the usual cases speedy (most internal
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// BI events have 3 arguments).
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var triggerEvents = function (events, args) { |
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let ev, |
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i = -1, |
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l = events.length, |
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a1 = args[0], |
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a2 = args[1], |
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a3 = args[2]; |
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switch (args.length) { |
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case 0: |
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while (++i < l) (ev = events[i]).callback.call(ev.ctx); |
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return; |
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case 1: |
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while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); |
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return; |
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case 2: |
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while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); |
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return; |
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case 3: |
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while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); |
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while (++i < l) { |
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(ev = events[i]).callback.call(ev.ctx, a1, a2, a3); |
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} |
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return; |
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default: |
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while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); |
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return; |
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} |
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}; |
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}; |
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// BI.Router
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// ---------------
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// BI.Router
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// ---------------
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// Routers map faux-URLs to actions, and fire events when routes are
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// matched. Creating a new one sets its `routes` hash, if not set statically.
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var Router = BI.Router = function (options) { |
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// Routers map faux-URLs to actions, and fire events when routes are
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// matched. Creating a new one sets its `routes` hash, if not set statically.
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export const Router = function (options) { |
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options || (options = {}); |
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if (options.routes) this.routes = options.routes; |
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this._bindRoutes(); |
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this._init.apply(this, arguments); |
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}; |
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}; |
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// Cached regular expressions for matching named param parts and splatted
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// parts of route strings.
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var optionalParam = /\((.*?)\)/g; |
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var namedParam = /(\(\?)?:\w+/g; |
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var splatParam = /\*\w+/g; |
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var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g; |
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// Set up all inheritable **BI.Router** properties and methods.
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BI._.extend(Router.prototype, Events, { |
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// Cached regular expressions for matching named param parts and splatted
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// parts of route strings.
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const optionalParam = /\((.*?)\)/g; |
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const namedParam = /(\(\?)?:\w+/g; |
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const splatParam = /\*\w+/g; |
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const escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g; |
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// Set up all inheritable **BI.Router** properties and methods.
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_.extend(Router.prototype, Events, { |
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// _init is an empty function by default. Override it with your own
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// initialization logic.
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_init: function () { |
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}, |
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_init() {}, |
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// Manually bind a single named route to a callback. For example:
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//
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@ -235,44 +274,47 @@
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// ...
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// });
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//
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route: function (route, name, callback) { |
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if (!BI._.isRegExp(route)) route = this._routeToRegExp(route); |
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if (BI._.isFunction(name)) { |
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route(route, name, callback) { |
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if (!_.isRegExp(route)) route = this._routeToRegExp(route); |
|
|
|
|
if (_.isFunction(name)) { |
|
|
|
|
callback = name; |
|
|
|
|
name = ""; |
|
|
|
|
} |
|
|
|
|
if (!callback) callback = this[name]; |
|
|
|
|
var router = this; |
|
|
|
|
BI.history.route(route, function (fragment) { |
|
|
|
|
var args = router._extractParameters(route, fragment); |
|
|
|
|
const router = this; |
|
|
|
|
history.route(route, (fragment) => { |
|
|
|
|
const args = router._extractParameters(route, fragment); |
|
|
|
|
if (router.execute(callback, args, name) !== false) { |
|
|
|
|
router.trigger.apply(router, ["route:" + name].concat(args)); |
|
|
|
|
router.trigger.apply(router, [`route:${name}`].concat(args)); |
|
|
|
|
router.trigger("route", name, args); |
|
|
|
|
BI.history.trigger("route", router, name, args); |
|
|
|
|
history.trigger("route", router, name, args); |
|
|
|
|
} |
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
return this; |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// 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, name) { |
|
|
|
|
execute(callback, args, name) { |
|
|
|
|
if (callback) callback.apply(this, args); |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// Simple proxy to `BI.history` to save a fragment into the history.
|
|
|
|
|
navigate: function (fragment, options) { |
|
|
|
|
BI.history.navigate(fragment, options); |
|
|
|
|
navigate(fragment, options) { |
|
|
|
|
history.navigate(fragment, options); |
|
|
|
|
|
|
|
|
|
return this; |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// Bind all defined routes to `BI.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 () { |
|
|
|
|
_bindRoutes() { |
|
|
|
|
if (!this.routes) return; |
|
|
|
|
this.routes = BI._.result(this, "routes"); |
|
|
|
|
var route, routes = BI._.keys(this.routes); |
|
|
|
|
this.routes = _.result(this, "routes"); |
|
|
|
|
let route, |
|
|
|
|
routes = _.keys(this.routes); |
|
|
|
|
while ((route = routes.pop()) != null) { |
|
|
|
|
this.route(route, this.routes[route]); |
|
|
|
|
} |
|
|
|
|
@ -280,25 +322,28 @@
|
|
|
|
|
|
|
|
|
|
// Convert a route string into a regular expression, suitable for matching
|
|
|
|
|
// against the current location hash.
|
|
|
|
|
_routeToRegExp: function (route) { |
|
|
|
|
route = route.replace(escapeRegExp, "\\$&") |
|
|
|
|
_routeToRegExp(route) { |
|
|
|
|
route = route |
|
|
|
|
.replace(escapeRegExp, "\\$&") |
|
|
|
|
.replace(optionalParam, "(?:$1)?") |
|
|
|
|
.replace(namedParam, function (match, optional) { |
|
|
|
|
return optional ? match : "([^/?]+)"; |
|
|
|
|
}) |
|
|
|
|
.replace(namedParam, (match, optional) => |
|
|
|
|
optional ? match : "([^/?]+)" |
|
|
|
|
) |
|
|
|
|
.replace(splatParam, "([^?]*?)"); |
|
|
|
|
return new RegExp("^" + route + "(?:\\?([\\s\\S]*))?$"); |
|
|
|
|
|
|
|
|
|
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 BI._.map(params, function (param, i) { |
|
|
|
|
_extractParameters(route, fragment) { |
|
|
|
|
const params = route.exec(fragment).slice(1); |
|
|
|
|
|
|
|
|
|
return _.map(params, (param, i) => { |
|
|
|
|
// Don't decode the search params.
|
|
|
|
|
if (i === params.length - 1) return param || null; |
|
|
|
|
var resultParam = null; |
|
|
|
|
let resultParam = null; |
|
|
|
|
if (param) { |
|
|
|
|
try { |
|
|
|
|
resultParam = decodeURIComponent(param); |
|
|
|
|
@ -306,84 +351,86 @@
|
|
|
|
|
resultParam = param; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return resultParam; |
|
|
|
|
}); |
|
|
|
|
} |
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
// History
|
|
|
|
|
// ----------------
|
|
|
|
|
// 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. If the browser supports neither (old IE, natch),
|
|
|
|
|
// falls back to polling.
|
|
|
|
|
var History = function () { |
|
|
|
|
// 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. If the browser supports neither (old IE, natch),
|
|
|
|
|
// falls back to polling.
|
|
|
|
|
const History = function () { |
|
|
|
|
this.handlers = []; |
|
|
|
|
this.checkUrl = BI._.bind(this.checkUrl, this); |
|
|
|
|
this.checkUrl = _.bind(this.checkUrl, this); |
|
|
|
|
|
|
|
|
|
// Ensure that `History` can be used outside of the browser.
|
|
|
|
|
if (typeof window !== "undefined") { |
|
|
|
|
this.location = _global.location; |
|
|
|
|
this.history = _global.history; |
|
|
|
|
} |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
// 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 stripping a leading hash/slash and trailing space.
|
|
|
|
|
const routeStripper = /^[#\/]|\s+$/g; |
|
|
|
|
|
|
|
|
|
// Cached regex for stripping urls of hash.
|
|
|
|
|
var pathStripper = /#.*$/; |
|
|
|
|
// Cached regex for stripping leading and trailing slashes.
|
|
|
|
|
const rootStripper = /^\/+|\/+$/g; |
|
|
|
|
|
|
|
|
|
// Has the history handling already been started?
|
|
|
|
|
History.started = false; |
|
|
|
|
// Cached regex for stripping urls of hash.
|
|
|
|
|
const pathStripper = /#.*$/; |
|
|
|
|
|
|
|
|
|
// Set up all inheritable **BI.History** properties and methods.
|
|
|
|
|
BI._.extend(History.prototype, Events, { |
|
|
|
|
// Has the history handling already been started?
|
|
|
|
|
History.started = false; |
|
|
|
|
|
|
|
|
|
// Set up all inheritable **BI.History** properties and methods.
|
|
|
|
|
_.extend(History.prototype, Events, { |
|
|
|
|
// The default interval to poll for hash changes, if necessary, is
|
|
|
|
|
// twenty times a second.
|
|
|
|
|
interval: 50, |
|
|
|
|
|
|
|
|
|
// Are we at the app root?
|
|
|
|
|
atRoot: function () { |
|
|
|
|
var path = this.location.pathname.replace(/[^\/]$/, "$&/"); |
|
|
|
|
atRoot() { |
|
|
|
|
const path = this.location.pathname.replace(/[^\/]$/, "$&/"); |
|
|
|
|
|
|
|
|
|
return path === this.root && !this.getSearch(); |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// In IE6, the hash fragment and search params are incorrect if the
|
|
|
|
|
// fragment contains `?`.
|
|
|
|
|
getSearch: function () { |
|
|
|
|
var match = this.location.href.replace(/#.*/, "").match(/\?.+/); |
|
|
|
|
getSearch() { |
|
|
|
|
const match = this.location.href.replace(/#.*/, "").match(/\?.+/); |
|
|
|
|
|
|
|
|
|
return match ? match[0] : ""; |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// 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(/#(.*)$/); |
|
|
|
|
getHash(window) { |
|
|
|
|
const match = (window || this).location.href.match(/#(.*)$/); |
|
|
|
|
|
|
|
|
|
return match ? match[1] : ""; |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// Get the pathname and search params, without the root.
|
|
|
|
|
getPath: function () { |
|
|
|
|
var path = this.location.pathname + this.getSearch(); |
|
|
|
|
getPath() { |
|
|
|
|
let path = this.location.pathname + this.getSearch(); |
|
|
|
|
try { |
|
|
|
|
path = decodeURI(path); |
|
|
|
|
} catch(e) { |
|
|
|
|
} |
|
|
|
|
var root = this.root.slice(0, -1); |
|
|
|
|
} catch (e) {} |
|
|
|
|
const root = this.root.slice(0, -1); |
|
|
|
|
if (!path.indexOf(root)) path = path.slice(root.length); |
|
|
|
|
|
|
|
|
|
return path.charAt(0) === "/" ? path.slice(1) : path; |
|
|
|
|
}, |
|
|
|
|
|
|
|
|
|
// Get the cross-browser normalized URL fragment from the path or hash.
|
|
|
|
|
getFragment: function (fragment) { |
|
|
|
|
getFragment(fragment) { |
|
|
|
|
if (fragment == null) { |
|
|
|
|
if (this._hasPushState || !this._wantsHashChange) { |
|
|
|
|
fragment = this.getPath(); |
|
|
|
|
@ -391,73 +438,91 @@
|
|
|
|
|
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("BI.history has already been started"); |
|
|
|
|
start(options) { |
|
|
|
|
if (History.started) { |
|
|
|
|
throw new Error("BI.history has already been started"); |
|
|
|
|
} |
|
|
|
|
History.started = true; |
|
|
|
|
|
|
|
|
|
// Figure out the initial configuration. Do we need an iframe?
|
|
|
|
|
// Is pushState desired ... is it available?
|
|
|
|
|
this.options = BI._.extend({root: "/"}, this.options, options); |
|
|
|
|
this.options = _.extend({ root: "/" }, this.options, options); |
|
|
|
|
this.root = this.options.root; |
|
|
|
|
this._wantsHashChange = this.options.hashChange !== false; |
|
|
|
|
this._hasHashChange = "onhashchange" in window; |
|
|
|
|
this._wantsPushState = !!this.options.pushState; |
|
|
|
|
this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState); |
|
|
|
|
this._hasPushState = !!( |
|
|
|
|
this.options.pushState && |
|
|
|
|
this.history && |
|
|
|
|
this.history.pushState |
|
|
|
|
); |
|
|
|
|
this.fragment = this.getFragment(); |
|
|
|
|
|
|
|
|
|
// Normalize root to always include a leading and trailing slash.
|
|
|
|
|
this.root = ("/" + this.root + "/").replace(rootStripper, "/"); |
|
|
|
|
this.root = `/${this.root}/`.replace(rootStripper, "/"); |
|
|
|
|
|
|
|
|
|
// Transition from hashChange to pushState or vice versa if both are
|
|
|
|
|
// requested.
|
|
|
|
|
if (this._wantsHashChange && this._wantsPushState) { |
|
|
|
|
|
|
|
|
|
// If we've started off with a route from a `pushState`-enabled
|
|
|
|
|
// browser, but we're currently in a browser that doesn't support it...
|
|
|
|
|
if (!this._hasPushState && !this.atRoot()) { |
|
|
|
|
var root = this.root.slice(0, -1) || "/"; |
|
|
|
|
this.location.replace(root + "#" + this.getPath()); |
|
|
|
|
const root = this.root.slice(0, -1) || "/"; |
|
|
|
|
this.location.replace(`${root}#${this.getPath()}`); |
|
|
|
|
// Return immediately as browser will do redirect to new url
|
|
|
|
|
return true; |
|
|
|
|
|
|
|
|
|
// Or if we've started out with a hash-based route, but we're currently
|
|
|
|
|
// in a browser where it could be `pushState`-based instead...
|
|
|
|
|
} else if (this._hasPushState && this.atRoot()) { |
|
|
|
|
this.navigate(this.getHash(), {replace: true}); |
|
|
|
|
this.navigate(this.getHash(), { replace: true }); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Proxy an iframe to handle location events if the browser doesn't
|
|
|
|
|
// support the `hashchange` event, HTML5 history, or the user wants
|
|
|
|
|
// `hashChange` but not `pushState`.
|
|
|
|
|
if (!this._hasHashChange && this._wantsHashChange && (!this._wantsPushState || !this._hasPushState)) { |
|
|
|
|
var iframe = document.createElement("iframe"); |
|
|
|
|
if ( |
|
|
|
|
!this._hasHashChange && |
|
|
|
|
this._wantsHashChange && |
|
|
|
|
(!this._wantsPushState || !this._hasPushState) |
|
|
|
|
) { |
|
|
|
|
const iframe = document.createElement("iframe"); |
|
|
|
|
iframe.src = "javascript:0"; |
|
|
|
|
iframe.style.display = "none"; |
|
|
|
|
iframe.tabIndex = -1; |
|
|
|
|
var body = document.body; |
|
|
|
|
const body = document.body; |
|
|
|
|
// Using `appendChild` will throw on IE < 9 if the document is not ready.
|
|
|
|
|
this.iframe = body.insertBefore(iframe, body.firstChild).contentWindow; |
|
|
|
|
this.iframe = body.insertBefore( |
|
|
|
|
iframe, |
|
|
|
|
body.firstChild |
|
|
|
|
).contentWindow; |
|
|
|
|
this.iframe.document.open().close(); |
|
|
|
|
this.iframe.location.hash = "#" + this.fragment; |
|
|
|
|
this.iframe.location.hash = `#${this.fragment}`; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// Add a cross-platform `addEventListener` shim for older browsers.
|
|
|
|
|
var addEventListener = _global.addEventListener || function (eventName, listener) { |
|
|
|
|
return attachEvent("on" + eventName, listener); |
|
|
|
|
const addEventListener = |
|
|
|
|
_global.addEventListener || |
|
|
|
|
function (eventName, listener) { |
|
|
|
|
return attachEvent(`on${eventName}`, listener); |
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
// Depending on whether we're using pushState or hashes, and whether
|
|
|
|
|
// 'onhashchange' is supported, determine how we check the URL state.
|
|
|
|
|
if (this._hasPushState) { |
|
|
|
|
addEventListener("popstate", this.checkUrl, false); |
|
|
|
|
} else if (this._wantsHashChange && this._hasHashChange && !this.iframe) { |
|
|
|
|
} else if ( |
|
|
|
|
this._wantsHashChange && |
|
|
|
|
this._hasHashChange && |
|
|
|
|
!this.iframe |
|
|
|
|
) { |
|
|
|
|
addEventListener("hashchange", this.checkUrl, false); |
|
|
|
|
} else if (this._wantsHashChange) { |
|
|
|
|
this._checkUrlInterval = setInterval(this.checkUrl, this.interval); |
|
|
|
|
@ -468,16 +533,22 @@
|
|
|
|
|
|
|
|
|
|
// Disable BI.history, perhaps temporarily. Not useful in a real app,
|
|
|
|
|
// but possibly useful for unit testing Routers.
|
|
|
|
|
stop: function () { |
|
|
|
|
stop() { |
|
|
|
|
// Add a cross-platform `removeEventListener` shim for older browsers.
|
|
|
|
|
var removeEventListener = _global.removeEventListener || function (eventName, listener) { |
|
|
|
|
return detachEvent("on" + eventName, listener); |
|
|
|
|
const removeEventListener = |
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_global.removeEventListener || |
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function (eventName, listener) { |
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return detachEvent(`on${eventName}`, listener); |
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}; |
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// Remove window listeners.
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if (this._hasPushState) { |
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removeEventListener("popstate", this.checkUrl, false); |
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} else if (this._wantsHashChange && this._hasHashChange && !this.iframe) { |
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} else if ( |
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this._wantsHashChange && |
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this._hasHashChange && |
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!this.iframe |
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) { |
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removeEventListener("hashchange", this.checkUrl, false); |
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} |
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@ -494,14 +565,17 @@
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// Add a route to be tested when the fragment changes. Routes added later
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// may override previous routes.
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route: function (route, callback) { |
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this.handlers.unshift({route: route, callback: callback}); |
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route(route, callback) { |
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this.handlers.unshift({ route, callback }); |
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}, |
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// check route is Exist. if exist, return the route
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checkRoute: function (route) { |
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for (var i = 0; i < this.handlers.length; i++) { |
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if (this.handlers[i].route.toString() === Router.prototype._routeToRegExp(route).toString()) { |
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checkRoute(route) { |
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for (let i = 0; i < this.handlers.length; i++) { |
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if ( |
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this.handlers[i].route.toString() === |
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Router.prototype._routeToRegExp(route).toString() |
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) { |
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return this.handlers[i]; |
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} |
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} |
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@ -510,10 +584,10 @@
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}, |
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// remove a route match in routes
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unRoute: function (route) { |
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var index = BI._.findIndex(this.handlers, function (handler) { |
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return handler.route.test(route); |
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}); |
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unRoute(route) { |
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const index = _.findIndex(this.handlers, (handler) => |
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handler.route.test(route) |
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); |
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if (index > -1) { |
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this.handlers.splice(index, 1); |
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} |
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@ -521,14 +595,13 @@
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// Checks the current URL to see if it has changed, and if it has,
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// calls `loadUrl`, normalizing across the hidden iframe.
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checkUrl: function (e) { |
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var current = this.getFragment(); |
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checkUrl(e) { |
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let current = this.getFragment(); |
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try { |
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// getFragment 得到的值是编码过的,而this.fragment是没有编码过的
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// 英文路径没有问题，遇上中文和空格有问题了
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current = decodeURIComponent(current); |
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} catch(e) { |
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} |
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} catch (e) {} |
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// If the user pressed the back button, the iframe's hash will have
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// changed and we should use that for comparison.
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if (current === this.fragment && this.iframe) { |
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@ -543,11 +616,13 @@
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// Attempt to load the current URL fragment. If a route succeeds with a
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// match, returns `true`. If no defined routes matches the fragment,
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// returns `false`.
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loadUrl: function (fragment) { |
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loadUrl(fragment) { |
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fragment = this.fragment = this.getFragment(fragment); |
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return BI._.some(this.handlers, function (handler) { |
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return _.some(this.handlers, (handler) => { |
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|
if (handler.route.test(fragment)) { |
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handler.callback(fragment); |
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return true; |
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} |
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}); |
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@ -560,44 +635,51 @@
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// The options object can contain `trigger: true` if you wish to have the
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// route callback be fired (not usually desirable), or `replace: true`, if
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// you wish to modify the current URL without adding an entry to the history.
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navigate: function (fragment, options) { |
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navigate(fragment, options) { |
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|
if (!History.started) return false; |
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|
if (!options || options === true) options = {trigger: !!options}; |
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|
if (!options || options === true) options = { trigger: !!options }; |
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|
// Normalize the fragment.
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|
|
fragment = this.getFragment(fragment || ""); |
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|
|
// Don't include a trailing slash on the root.
|
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|
|
var root = this.root; |
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|
|
let root = this.root; |
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|
|
if (fragment === "" || fragment.charAt(0) === "?") { |
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|
|
root = root.slice(0, -1) || "/"; |
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|
|
} |
|
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|
|
var url = root + fragment; |
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|
|
const url = root + fragment; |
|
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|
|
// Strip the hash and decode for matching.
|
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|
|
fragment = fragment.replace(pathStripper, "") |
|
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|
|
fragment = fragment.replace(pathStripper, ""); |
|
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|
|
try { |
|
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|
|
fragment = decodeURI(fragment); |
|
|
|
|
} catch(e) { |
|
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|
|
} |
|
|
|
|
} catch (e) {} |
|
|
|
|
|
|
|
|
|
if (this.fragment === fragment) return; |
|
|
|
|
this.fragment = fragment; |
|
|
|
|
|
|
|
|
|
// If pushState is available, we use it to set the fragment as a real URL.
|
|
|
|
|
if (this._hasPushState) { |
|
|
|
|
this.history[options.replace ? "replaceState" : "pushState"]({}, document.title, url); |
|
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|
|
this.history[options.replace ? "replaceState" : "pushState"]( |
|
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|
|
{}, |
|
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|
|
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 (this.iframe && (fragment !== this.getHash(this.iframe))) { |
|
|
|
|
if (this.iframe && fragment !== this.getHash(this.iframe)) { |
|
|
|
|
// Opening and closing the iframe tricks IE7 and earlier to push a
|
|
|
|
|
// history entry on hash-tag change. When replace is true, we don't
|
|
|
|
|
// want this.
|
|
|
|
|
if (!options.replace) this.iframe.document.open().close(); |
|
|
|
|
this._updateHash(this.iframe.location, fragment, options.replace); |
|
|
|
|
this._updateHash( |
|
|
|
|
this.iframe.location, |
|
|
|
|
fragment, |
|
|
|
|
options.replace |
|
|
|
|
); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// If you've told us that you explicitly don't want fallback hashchange-
|
|
|
|
|
@ -610,18 +692,16 @@
|
|
|
|
|
|
|
|
|
|
// Update the hash location, either replacing the current entry, or adding
|
|
|
|
|
// a new one to the browser history.
|
|
|
|
|
_updateHash: function (location, fragment, replace) { |
|
|
|
|
_updateHash(location, fragment, replace) { |
|
|
|
|
if (replace) { |
|
|
|
|
var href = location.href.replace(/(javascript:|#).*$/, ""); |
|
|
|
|
location.replace(href + "#" + fragment); |
|
|
|
|
const href = location.href.replace(/(javascript:|#).*$/, ""); |
|
|
|
|
location.replace(`${href}#${fragment}`); |
|
|
|
|
} else { |
|
|
|
|
// Some browsers require that `hash` contains a leading #.
|
|
|
|
|
location.hash = "#" + fragment; |
|
|
|
|
location.hash = `#${fragment}`; |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
// Create the default BI.history.
|
|
|
|
|
BI.history = new History; |
|
|
|
|
}()); |
|
|
|
|
// Create the default BI.history.
|
|
|
|
|
export const history = new History(); |
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1 year ago