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64 lines
2.3 KiB
JavaScript
64 lines
2.3 KiB
JavaScript
var utils = {
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generateUUID: function() {
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
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return v.toString(16);
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});
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},
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relativeTime: function(timestamp) {
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var now = +new Date(),
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difference = now - Math.floor(parseFloat(timestamp));
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difference = Math.floor(difference / 1000);
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if (difference < 60) return difference + ' second' + (difference !== 1 ? 's' : '');
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difference = Math.floor(difference / 60);
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if (difference < 60) return difference + ' minute' + (difference !== 1 ? 's' : '');
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difference = Math.floor(difference / 60);
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if (difference < 24) return difference + ' hour' + (difference !== 1 ? 's' : '');
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difference = Math.floor(difference / 24);
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if (difference < 30) return difference + ' day' + (difference !== 1 ? 's' : '');
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difference = Math.floor(difference / 30);
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if (difference < 12) return difference + ' month' + (difference !== 1 ? 's' : '');
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difference = Math.floor(difference / 12);
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return difference + ' year' + (difference !== 1 ? 's' : '');
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},
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//http://dense13.com/blog/2009/05/03/converting-string-to-slug-javascript/
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slugify: function(str) {
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str = str.replace(/^\s+|\s+$/g, ''); // trim
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str = str.toLowerCase();
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// remove accents, swap ñ for n, etc
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var from = "àáäâèéëêìíïîòóöôùúüûñç·/_,:;";
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var to = "aaaaeeeeiiiioooouuuunc------";
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for (var i=0, l=from.length ; i<l ; i++) {
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str = str.replace(new RegExp(from.charAt(i), 'g'), to.charAt(i));
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}
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str = str.replace(/[^a-z0-9 -]/g, '') // remove invalid chars
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.replace(/\s+/g, '-') // collapse whitespace and replace by -
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.replace(/-+/g, '-'); // collapse dashes
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return str;
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},
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// Willingly stolen from: http://phpjs.org/functions/strip_tags/
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'strip_tags': function(input, allowed) {
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allowed = (((allowed || "") + "").toLowerCase().match(/<[a-z][a-z0-9]*>/g) || []).join(''); // making sure the allowed arg is a string containing only tags in lowercase (<a><b><c>)
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var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>/gi,
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commentsAndPhpTags = /<!--[\s\S]*?-->|<\?(?:php)?[\s\S]*?\?>/gi;
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return input.replace(commentsAndPhpTags, '').replace(tags, function ($0, $1) {
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return allowed.indexOf('<' + $1.toLowerCase() + '>') > -1 ? $0 : '';
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});
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}
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}
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module.exports = utils; |