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/** |
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* sort an array of objects by date attribute |
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* |
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* Example : [{date: date}, {date: date}].sort(coreUtils.sort.byDateDesc) |
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* |
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* @param {Object} a object with date attribute |
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* @param {Object} b object with date attribute |
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* @return {Int} 1 | 0 | -1 |
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*/ |
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export function byDateDesc(a, b) { |
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var dateA = new Date(a.date) |
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var dateB = new Date(b.date) |
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if(dateA < dateB) { |
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return 1 |
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}else if(dateA > dateB) { |
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return -1 |
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} |
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return 0 |
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} |
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/** |
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* shuffle an array of objects by date attribute |
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* |
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* Example : var shuffledArray = coreUtils.sort.shuffle([Object}, Object]) |
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* |
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* @param {Array} array |
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* @return {Array} array |
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*/ |
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export function shuffle(array) { |
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var currentIndex = array.length, temporaryValue, randomIndex |
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// While there remain elements to shuffle... |
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while (0 !== currentIndex) { |
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// Pick a remaining element... |
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randomIndex = Math.floor(Math.random() * currentIndex) |
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currentIndex -= 1 |
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// And swap it with the current element. |
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temporaryValue = array[currentIndex] |
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array[currentIndex] = array[randomIndex] |
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array[randomIndex] = temporaryValue |
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} |
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return array |
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} |
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/** |
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* sort an array of objects by date attribute |
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* |
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* Example : [{date: date}, {date: date}].sort(coreUtils.sort.byDateAsc) |
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* |
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* @param {Object} a object with date attribute |
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* @param {Object} b object with date attribute |
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* @return {Int} 1 | 0 | -1 |
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*/ |
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export function byDateAsc(a, b) { |
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var dateA = new Date(a.date) |
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var dateB = new Date(b.date) |
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if(dateA > dateB) { |
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return 1 |
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}else if(dateA < dateB) { |
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return -1 |
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} |
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return 0 |
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} |
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/** |
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* This function makes sorting on an array of Json objects possible. |
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* Pass the property to be sorted on. |
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* Usage: myArray.sort(coreUtils.sort.predicatBy('date',-1)); |
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* @param String prop the json property to sort on |
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* @param integer order order ASC if 1, DESC if -1 |
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* @return integer the ordered value |
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*/ |
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export function predicatBy(prop, order){ |
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if (order !== -1) { |
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order = 1 |
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} |
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if(prop === 'date'){ |
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return function(a,b){ |
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a = new Date(a[prop]) |
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b = new Date(b[prop]) |
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if( a > b){ |
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return 1*order |
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}else if( a < b ){ |
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return -1*order |
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} |
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return 0 |
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} |
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} |
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92
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return function(a,b){ |
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93
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if( a[prop] > b[prop]){ |
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return 1*order |
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95
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}else if( a[prop] < b[prop] ){ |
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return -1*order |
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97
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} |
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return 0 |
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} |
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} |
AdFabConnect /
abejs
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