five-bells-visualization
Version:
Tool to visualize Five Bells payments
140 lines (99 loc) • 3.17 kB
JavaScript
/**
* dat-gui JavaScript Controller Library
* http://code.google.com/p/dat-gui
*
* Copyright 2011 Data Arts Team, Google Creative Lab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
define([
], function() {
var ARR_EACH = Array.prototype.forEach;
var ARR_SLICE = Array.prototype.slice;
/**
* Band-aid methods for things that should be a lot easier in JavaScript.
* Implementation and structure inspired by underscore.js
* http://documentcloud.github.com/underscore/
*/
return {
BREAK: {},
extend: function(target) {
this.each(ARR_SLICE.call(arguments, 1), function(obj) {
for (var key in obj)
if (!this.isUndefined(obj[key]))
target[key] = obj[key];
}, this);
return target;
},
defaults: function(target) {
this.each(ARR_SLICE.call(arguments, 1), function(obj) {
for (var key in obj)
if (this.isUndefined(target[key]))
target[key] = obj[key];
}, this);
return target;
},
compose: function() {
var toCall = ARR_SLICE.call(arguments);
return function() {
var args = ARR_SLICE.call(arguments);
for (var i = toCall.length -1; i >= 0; i--) {
args = [toCall[i].apply(this, args)];
}
return args[0];
}
},
each: function(obj, itr, scope) {
if (!obj) return;
if (ARR_EACH && obj.forEach && obj.forEach === ARR_EACH) {
obj.forEach(itr, scope);
} else if (obj.length === obj.length + 0) { // Is number but not NaN
for (var key = 0, l = obj.length; key < l; key++)
if (key in obj && itr.call(scope, obj[key], key) === this.BREAK)
return;
} else {
for (var key in obj)
if (itr.call(scope, obj[key], key) === this.BREAK)
return;
}
},
defer: function(fnc) {
setTimeout(fnc, 0);
},
toArray: function(obj) {
if (obj.toArray) return obj.toArray();
return ARR_SLICE.call(obj);
},
isUndefined: function(obj) {
return obj === undefined;
},
isNull: function(obj) {
return obj === null;
},
isNaN: function(obj) {
return obj !== obj;
},
isArray: Array.isArray || function(obj) {
return obj.constructor === Array;
},
isObject: function(obj) {
return obj === Object(obj);
},
isNumber: function(obj) {
return obj === obj+0;
},
isString: function(obj) {
return obj === obj+'';
},
isBoolean: function(obj) {
return obj === false || obj === true;
},
isFunction: function(obj) {
return Object.prototype.toString.call(obj) === '[object Function]';
}
};
});