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Fixed #115 and #116

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This commit is contained in:
Max Lynch
2013-11-11 21:18:48 -06:00
parent 58dc717ab9
commit 56a64b8bc6
7 changed files with 172 additions and 76 deletions
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45
js/utils/utils.js
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@ -1,8 +1,15 @@
(function(ionic) {
/**
* Various utilities used throughout Ionic
*
* Some of these are adopted from underscore.js and backbone.js, both also MIT licensed.
*/
ionic.Utils = {
// Return a function that will be called with the given context
/**
* Return a function that will be called with the given context
*/
proxy: function(func, context) {
var args = Array.prototype.slice.call(arguments, 2);
return function() {
@ -10,6 +17,41 @@
};
},
/**
* Only call a function once in the given interval.
*
* @param func {Function} the function to call
* @param wait {int} how long to wait before/after to allow function calls
* @param immediate {boolean} whether to call immediately or after the wait interval
*/
debounce: function(func, wait, immediate) {
var timeout, args, context, timestamp, result;
return function() {
context = this;
args = arguments;
timestamp = new Date();
var later = function() {
var last = (new Date()) - timestamp;
if (last < wait) {
timeout = setTimeout(later, wait - last);
} else {
timeout = null;
if (!immediate) result = func.apply(context, args);
}
};
var callNow = immediate && !timeout;
if (!timeout) {
timeout = setTimeout(later, wait);
}
if (callNow) result = func.apply(context, args);
return result;
};
},
/**
* Throttle the given fun, only allowing it to be
* called at most every `wait` ms.
*/
throttle: function(func, wait, options) {
var context, args, result;
var timeout = null;
@ -94,5 +136,6 @@
ionic.extend = ionic.Utils.extend;
ionic.throttle = ionic.Utils.throttle;
ionic.proxy = ionic.Utils.proxy;
ionic.debounce = ionic.Utils.debounce;
})(window.ionic);