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Use _.restArgs #3562

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Use _.restArgs #3562

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17 changes: 5 additions & 12 deletions backbone.js
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Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,7 @@
var previousBackbone = root.Backbone;

// Create local references to array methods we'll want to use later.
var array = [];
var slice = array.slice;
var slice = Array.prototype.slice;

// Current version of the library. Keep in sync with `package.json`.
Backbone.VERSION = '1.1.2';
Expand Down Expand Up @@ -276,16 +275,11 @@
// passed the same arguments as `trigger` is, apart from the event name
// (unless you're listening on `"all"`, which will cause your callback to
// receive the true name of the event as the first argument).
Events.trigger = function(name) {
Events.trigger = _.restArgs(function(name, args) {
if (!this._events) return this;

var length = Math.max(0, arguments.length - 1);
var args = Array(length);
for (var i = 0; i < length; i++) args[i] = arguments[i + 1];

eventsApi(triggerApi, this, name, void 0, args);
return this;
};
});

// Handles triggering the appropriate event callbacks.
var triggerApi = function(obj, name, cb, args) {
Expand Down Expand Up @@ -328,11 +322,10 @@
case 4: return function(iteratee, defaultVal, context) {
return _[method](this[attribute], iteratee, defaultVal, context);
};
default: return function() {
var args = slice.call(arguments);
default: return _.restArgs(function(args) {
args.unshift(this[attribute]);
return _[method].apply(_, args);
};
});
}
};
var addUnderscoreMethods = function(Class, methods, attribute) {
Expand Down