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liveui: kill bounds checking in CallbackReceiver

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This commit is contained in:
David Greenspan
2012-04-11 15:02:09 -07:00
parent d1b7c60360
commit 2866c154fe
1 changed files with 0 additions and 17 deletions
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17
packages/liveui/liveui.js
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@@ -298,7 +298,6 @@ Meteor.ui = Meteor.ui || {};
var CallbackReceiver = function() {
this.queue = [];
this.deps = {};
this.implied_length = 0;
_.bindAll(this); // make callbacks work even if copied
};
@@ -306,34 +305,18 @@ Meteor.ui = Meteor.ui || {};
Meteor.ui._CallbackReceiver = CallbackReceiver;
CallbackReceiver.prototype.added = function(doc, before_idx) {
if (before_idx < 0 || before_idx > this.implied_length)
throw new Error("Bad before_idx "+before_idx);
this.implied_length++;
this.queue.push(['added', doc, before_idx]);
this.signal();
};
CallbackReceiver.prototype.removed = function(doc, at_idx) {
if (at_idx < 0 || at_idx >= this.implied_length)
throw new Error("Bad at_idx "+at_idx);
this.implied_length--;
this.queue.push(['removed', doc, at_idx]);
this.signal();
};
CallbackReceiver.prototype.moved = function(doc, old_idx, new_idx) {
if (old_idx < 0 || old_idx >= this.implied_length)
throw new Error("Bad old_idx "+old_idx);
if (new_idx < 0 || new_idx >= this.implied_length)
throw new Error("Bad new_idx "+new_idx);
this.queue.push(['moved', doc, old_idx, new_idx]);
this.signal();
};
CallbackReceiver.prototype.changed = function(doc, at_idx) {
if (at_idx < 0 || at_idx >= this.implied_length)
throw new Error("Bad at_idx "+at_idx);
this.queue.push(['changed', doc, at_idx]);
this.signal();
};