mirror of
https://github.com/NodeBB/NodeBB.git
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269 lines
8.6 KiB
JavaScript
269 lines
8.6 KiB
JavaScript
(function(module) {
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'use strict';
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var utils, fs, XRegExp;
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if ('undefined' === typeof window) {
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fs = require('fs');
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XRegExp = require('xregexp').XRegExp;
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process.profile = function(operation, start) {
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console.log('%s took %d milliseconds', operation, process.elapsedTimeSince(start));
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};
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process.elapsedTimeSince = function(start) {
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var diff = process.hrtime(start);
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return diff[0] * 1e3 + diff[1] / 1e6;
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};
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} else {
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XRegExp = window.XRegExp;
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}
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module.exports = 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,
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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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//Adapted from http://stackoverflow.com/questions/5827612/node-js-fs-readdir-recursive-directory-search
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walk: function(dir, done) {
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var results = [];
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fs.readdir(dir, function(err, list) {
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if (err) {
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return done(err);
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}
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var pending = list.length;
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if (!pending) {
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return done(null, results);
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}
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list.forEach(function(file) {
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file = dir + '/' + file;
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fs.stat(file, function(err, stat) {
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if (stat && stat.isDirectory()) {
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utils.walk(file, function(err, res) {
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results = results.concat(res);
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if (!--pending) {
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done(null, results);
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}
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});
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} else {
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results.push(file);
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if (!--pending) {
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done(null, results);
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}
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}
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});
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});
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});
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},
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relativeTime: function(timestamp, min) {
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var now = +new Date(),
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difference = now - Math.floor(parseFloat(timestamp));
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if(difference < 0) {
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difference = 0;
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}
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difference = Math.floor(difference / 1000);
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if (difference < 60) {
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return difference + (min ? 's' : ' second') + (difference !== 1 && !min ? 's' : '');
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}
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difference = Math.floor(difference / 60);
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if (difference < 60) {
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return difference + (min ? 'm' : ' minute') + (difference !== 1 && !min ? 's' : '');
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}
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difference = Math.floor(difference / 60);
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if (difference < 24) {
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return difference + (min ? 'h' : ' hour') + (difference !== 1 && !min ? 's' : '');
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}
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difference = Math.floor(difference / 24);
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if (difference < 30) {
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return difference + (min ? 'd' : ' day') + (difference !== 1 && !min ? 's' : '');
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}
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difference = Math.floor(difference / 30);
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if (difference < 12) {
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return difference + (min ? 'mon' : ' month') + (difference !== 1 && !min ? 's' : '');
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}
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difference = Math.floor(difference / 12);
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return difference + (min ? 'y' : ' year') + (difference !== 1 && !min ? 's' : '');
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},
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invalidUnicodeChars: XRegExp('[^\\p{L}\\s\\d\\-_]', 'g'),
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invalidLatinChars: /[^\w\s\d\-_]/g,
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trimRegex: /^\s+|\s+$/g,
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collapseWhitespace: /\s+/g,
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collapseDash: /-+/g,
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trimTrailingDash: /-$/g,
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trimLeadingDash: /^-/g,
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isLatin: /^[\w]+$/,
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//http://dense13.com/blog/2009/05/03/converting-string-to-slug-javascript/
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slugify: function(str) {
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str = str.replace(utils.trimRegex, '');
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str = str.toLowerCase();
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if(utils.isLatin.test(str)) {
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str = str.replace(utils.invalidLatinChars, '-');
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} else {
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str = XRegExp.replace(str, utils.invalidUnicodeChars, '-');
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}
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str = str.replace(utils.collapseWhitespace, '-')
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str = str.replace(utils.collapseDash, '-');
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str = str.replace(utils.trimTrailingDash, '');
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str = str.replace(utils.trimLeadingDash, '');
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return str;
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},
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isEmailValid: function(email) {
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return typeof email === 'string' && email.length && email.indexOf('@') !== -1;
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},
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isUserNameValid: function(name) {
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return (name && name !== '' && (/^['"\s\-.*0-9\u00BF-\u1FFF\u2C00-\uD7FF\w]+$/.test(name)));
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},
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isPasswordValid: function(password) {
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return typeof password === 'string' && password.length && password.indexOf(' ') === -1;
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},
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isNumber: function(n) {
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return !isNaN(parseFloat(n)) && isFinite(n);
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},
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// shallow objects merge
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merge: function() {
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var result = {}, obj, keys;
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for (var i = 0; i < arguments.length; i++) {
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obj = arguments[i] || {};
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keys = Object.keys(obj);
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for (var j = 0; j < keys.length; j++) {
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result[keys[j]] = obj[keys[j]];
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}
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}
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return result;
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},
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fileExtension: function (path) {
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return ('' + path).split('.').pop();
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},
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fileMimeType: (function () {
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// we only care about images, for now
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var map = {
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"bmp": "image/bmp",
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"cmx": "image/x-cmx",
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"cod": "image/cis-cod",
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"gif": "image/gif",
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"ico": "image/x-icon",
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"ief": "image/ief",
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"jfif": "image/pipeg",
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"jpe": "image/jpeg",
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"jpeg": "image/jpeg",
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"jpg": "image/jpeg",
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"pbm": "image/x-portable-bitmap",
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"pgm": "image/x-portable-graymap",
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"pnm": "image/x-portable-anymap",
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"ppm": "image/x-portable-pixmap",
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"ras": "image/x-cmu-raster",
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"rgb": "image/x-rgb",
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"svg": "image/svg+xml",
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"tif": "image/tiff",
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"tiff": "image/tiff",
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"xbm": "image/x-xbitmap",
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"xpm": "image/x-xpixmap",
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"xwd": "image/x-xwindowdump"
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};
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return function (path) {
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var extension = utils.fileExtension(path);
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return map[extension] || '*';
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}
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})(),
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isRelativeUrl: function(url) {
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var firstChar = url.slice(0, 1);
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return (firstChar === '.' || firstChar === '/');
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},
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makeNumbersHumanReadable: function(elements) {
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elements.each(function() {
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$(this).html(utils.makeNumberHumanReadable($(this).attr('title')));
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});
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},
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makeNumberHumanReadable: function(num) {
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var n = parseInt(num, 10);
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if(!n) {
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return num;
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}
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if (n > 999999) {
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return (n / 1000000).toFixed(1) + 'm';
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}
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else if(n > 999) {
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return (n / 1000).toFixed(1) + 'k';
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}
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return n;
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},
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addCommasToNumbers: function (elements) {
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elements.each(function (index, element) {
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$(element).html(utils.addCommas($(element).html()));
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});
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},
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// takes a string like 1000 and returns 1,000
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addCommas: function (text) {
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return text.replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");
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},
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toISOString: function(timestamp) {
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if(!timestamp) {
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return '';
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}
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try {
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return new Date(parseInt(timestamp, 10)).toISOString();
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} catch(e){
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console.log(timestamp, e.stack);
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}
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return '';
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},
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tags : ['a', 'abbr', 'acronym', 'address', 'applet', 'area', 'article', 'aside', 'audio', 'b', 'base', 'basefont', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'command', 'datalist', 'dd', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'embed', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'i', 'iframe', 'img', 'input', 'ins', 'kbd', 'keygen', 'label', 'legend', 'li', 'link', 'map', 'mark', 'menu', 'meta', 'meter', 'nav', 'noframes', 'noscript', 'object', 'ol', 'optgroup', 'option', 'output', 'p', 'param', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'script', 'section', 'select', 'small', 'source', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr'],
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stripTags : ['abbr', 'acronym', 'address', 'applet', 'area', 'article', 'aside', 'audio', 'base', 'basefont', 'bdi', 'bdo', 'big', 'body', 'button', 'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'command', 'datalist', 'dd', 'del', 'details', 'dfn', 'dialog', 'dir', 'div', 'dl', 'dt', 'em', 'embed', 'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'frame', 'frameset', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hr', 'html', 'iframe', 'input', 'ins', 'kbd', 'keygen', 'label', 'legend', 'li', 'link', 'map', 'mark', 'menu', 'meta', 'meter', 'nav', 'noframes', 'noscript', 'object', 'ol', 'optgroup', 'option', 'output', 'param', 'pre', 'progress', 'q', 'rp', 'rt', 'ruby', 's', 'samp', 'script', 'section', 'select', 'source', 'span', 'strike', 'style', 'sub', 'summary', 'sup', 'table', 'tbody', 'td', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'track', 'tt', 'u', 'ul', 'var', 'video', 'wbr'],
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escapeRegexChars: function(text) {
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return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
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},
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isAndroidBrowser: function() {
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// http://stackoverflow.com/questions/9286355/how-to-detect-only-the-native-android-browser
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var nua = navigator.userAgent;
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return ((nua.indexOf('Mozilla/5.0') > -1 && nua.indexOf('Android ') > -1 && nua.indexOf('AppleWebKit') > -1) && !(nua.indexOf('Chrome') > -1));
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}
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};
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if ('undefined' !== typeof window) {
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window.utils = module.exports;
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}
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})('undefined' === typeof module ? {
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module: {
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exports: {}
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}
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} : module);
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