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https://github.com/faisalman/ua-parser-js.git
synced 2025-09-27 16:08:47 +03:00
Some premature optimizations
This commit is contained in:
Faisal Salman
parent
4ebe7a1899
commit
5717b00343
169
src/ua-parser.js
169
src/ua-parser.js
@ -1,4 +1,4 @@
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// UAParser.js v0.5.20
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// UAParser.js v0.5.21
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// Lightweight JavaScript-based User-Agent string parser
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// https://github.com/faisalman/ua-parser-js
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//
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@ -15,9 +15,10 @@
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var EMPTY = '',
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FUNC = 'function',
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UNDEF = 'undefined',
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OBJ = 'object',
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UNKNOWN = '?',
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FUNC_TYPE = 'function',
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UNDEF_TYPE = 'undefined',
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OBJ_TYPE = 'object',
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MAJOR = 'major',
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MODEL = 'model',
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NAME = 'name',
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@ -29,6 +30,21 @@
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TABLET = 'tablet';
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///////////
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// Helper
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//////////
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var util = {
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has : function (str1, str2) {
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return str2.toLowerCase().indexOf(str1.toLowerCase()) !== -1;
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},
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isType : function (obj, str) {
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return typeof obj === str;
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}
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};
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///////////////
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// Map helper
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//////////////
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@ -36,71 +52,72 @@
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var mapper = {
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regex : function () {
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var result, i, j, k, l, m, args = arguments;
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rgx : function () {
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// loop through all regexes maps
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for (i = 0; i < args.length; i += 2) {
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for (var result, i = 0, j, k, p, matches, match, args = arguments; i < args.length; i += 2) {
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var regex = args[i], // even sequence (0,2,4,..)
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props = args[i + 1]; // odd sequence (1,3,5,..)
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// construct object barebones
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if (typeof result === UNDEF) {
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if (util.isType(result, UNDEF_TYPE)) {
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result = {};
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for (k = 0; k < props.length; k++) {
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if (typeof props[k] === OBJ) {
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result[props[k][0]] = undefined;
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for (p in props) {
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if (util.isType(p, OBJ_TYPE)) {
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result[p[0]] = undefined;
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} else {
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result[props[k]] = undefined;
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result[p] = undefined;
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}
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}
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if (this.getUA().toString() === EMPTY) {
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return result;
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}
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}
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// try matching uastring with regexes
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for (j = 0; j < regex.length; j++) {
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l = regex[j].exec(this.getUA());
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if (!!l) {
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for (k = 0; k < props.length; k++) {
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m = l[k + 1];
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if (typeof props[k] === OBJ && props[k].length === 2) {
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result[props[k][0]] = props[k][1];
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} else if (typeof props[k] === OBJ && props[k].length === 3) {
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if (typeof props[k][1] === FUNC && !(props[k][1].exec && props[k][1].test)) {
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result[props[k][0]] = m ? props[k][1].call(this, m, props[k][2]) : undefined;
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} else {
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result[props[k][0]] = m ? m.replace(props[k][1], props[k][2]) : undefined;
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for (j = k = 0; j < regex.length; j++) {
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matches = regex[j].exec(this.getUA());
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if (!!matches) {
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for (p in props) {
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match = matches[k + 1];
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// check if given property is actually array
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if (util.isType(p, OBJ_TYPE)) {
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if (p.length == 2) {
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// assign given value, ignore regex match
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result[p[0]] = p[1];
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} else if (p.length == 3) {
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// check whether function or regex
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if (util.isType(p[1], FUNC_TYPE) && !(p[1].exec && p[1].test)) {
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// call function (usually string mapper)
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result[p[0]] = match ? p[1].call(this, match, p[2]) : undefined;
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} else {
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// sanitize match using given regex
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result[p[0]] = match ? match.replace(p[1], p[2]) : undefined;
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}
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}
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} else {
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result[props[k]] = m ? m : undefined;
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result[p] = match ? match : undefined;
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}
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}
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break;
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}
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}
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if(!!l) break; // break the loop immediately if match found
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if(!!matches) break; // break the loop immediately if match found
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}
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return result;
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},
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string : function (str, map) {
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str : function (str, map) {
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for (var i in map) {
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if (map.hasOwnProperty(i)) {
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if (typeof map[i] === OBJ && map[i].length > 0) {
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for (var j = 0; j < map[i].length; j++) {
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if (str.toLowerCase().indexOf(map[i][j].toLowerCase()) !== -1) {
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return (i.toString() === UNDEF) ? undefined : i;
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}
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// check if array
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if (util.isType(map[i], OBJ_TYPE) && map[i].length > 0) {
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for (var j in map[i]) {
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if (util.has(j, str)) {
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return (i === UNKNOWN) ? undefined : i;
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}
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} else if (str.toLowerCase().indexOf(map[i].toLowerCase()) !== -1) {
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return (i.toString() === UNDEF) ? undefined : i;
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}
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} else if (util.has(map[i], str)) {
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return (i === UNKNOWN) ? undefined : i;
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}
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}
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return str;
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@ -118,19 +135,19 @@
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browser : {
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oldsafari : {
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major : {
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'1' : ['/85', '/125', '/312'],
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'2' : ['/412', '/416', '/417', '/419'],
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'undefined' : '/'
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'1' : ['/8', '/1', '/3'],
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'2' : '/4',
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'?' : '/'
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},
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version : {
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'1.0' : '/85',
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'1.2' : '/125',
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'1.3' : '/312',
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'1.0' : '/8',
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'1.2' : '/1',
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'1.3' : '/3',
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'2.0' : '/412',
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'2.0.2' : '/416',
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'2.0.3' : '/417',
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'2.0.4' : '/419',
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'undefined' : '/'
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'?' : '/'
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}
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}
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},
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@ -191,7 +208,7 @@
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// Lunascape/Maxthon/Netfront/Jasmine/Blazer
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// Trident based
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/(avant\sbrowser|iemobile|slimbrowser|baidubrowser)[\/\s]?((\d+)?[\w\.]*)/i,
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/(avant\s|iemobile|slim|baidu)(?:browser)?[\/\s]?((\d+)?[\w\.]*)/i,
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// Avant/IEMobile/SlimBrowser/Baidu
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/ms(ie)\s((\d+)?[\w\.]+)/i, // Internet Explorer
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@ -223,11 +240,11 @@
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/version\/((\d+)?[\w\.]+).+?(mobile\s?safari|safari)/i // Safari & Safari Mobile
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], [VERSION, MAJOR, NAME], [
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/applewebkit.+?(mobile\s?safari|safari)((\/[\w\.]+))/i // Safari < 3.0
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], [NAME, [MAJOR, mapper.string, maps.browser.oldsafari.major], [VERSION, mapper.string, maps.browser.oldsafari.version]], [
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/webkit.+?(mobile\s?safari|safari)((\/[\w\.]+))/i // Safari < 3.0
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], [NAME, [MAJOR, mapper.str, maps.browser.oldsafari.major], [VERSION, mapper.str, maps.browser.oldsafari.version]], [
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/(konqueror)\/((\d+)?[\w\.]+)/i, // Konqueror
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/(applewebkit|khtml)\/((\d+)?[\w\.]+)/i
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/(webkit|khtml)\/((\d+)?[\w\.]+)/i
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], [NAME, VERSION, MAJOR], [
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// Gecko based
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@ -279,11 +296,14 @@
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/(sony)\s(tablet\s[ps])/i // Sony Tablets
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], [VENDOR, MODEL, [TYPE, TABLET]], [
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/(nintendo|playstation)\s([wids3portablev]+)/i // Nintendo/Playstation
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/(nintendo)\s([wids3u]+)/i // Nintendo
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], [VENDOR, MODEL, [TYPE, CONSOLE]], [
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/((playstation)\s[3portablevi]+)/i // Playstation
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], [[VENDOR, 'Sony'], MODEL, [TYPE, CONSOLE]], [
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/(sprint\s(\w+))/i // Sprint Phones
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], [[VENDOR, mapper.string, maps.device.sprint.vendor], [MODEL, mapper.string, maps.device.sprint.model], [TYPE, MOBILE]], [
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], [[VENDOR, mapper.str, maps.device.sprint.vendor], [MODEL, mapper.str, maps.device.sprint.model], [TYPE, MOBILE]], [
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/(htc)[;_\s-]+([\w\s]+(?=\))|\w+)*/i, // HTC
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/(zte)-(\w+)*/i, // ZTE
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@ -326,10 +346,8 @@
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/(presto)\/([\w\.]+)/i, // Presto
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/(webkit|trident|netfront|netsurf|amaya|lynx|w3m)\/([\w\.]+)/i, // WebKit/Trident/NetFront/NetSurf/Amaya/Lynx/w3m
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/(khtml)\/([\w\.]+)/i, // KHTML
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/(tasman)\s([\w\.]+)/i, // Tasman
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/(links)\s\(([\w\.]+)/i, // Links
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/(icab)[\/\s]([2-3]\.[\d\.]+)/i // iCab
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/(khtml|tasman|links)[\/\s]\(?([\w\.]+)/i, // KHTML/Tasman/Links
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/(icab)[\/\s]([23]\.[\d\.]+)/i // iCab
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], [NAME, VERSION], [
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/rv\:([\w\.]+).*(gecko)/i // Gecko
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@ -341,9 +359,9 @@
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// Windows based
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/(windows)\snt\s6\.2;\s(arm)/i, // Windows RT
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/(windows\sphone(?:\sos)*|windows\smobile|windows)[\s\/]?([ntce\d\.\s]+\w)/i
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], [NAME, [VERSION, mapper.string, maps.os.windows.version]], [
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], [NAME, [VERSION, mapper.str, maps.os.windows.version]], [
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/(win(?=3|9|n)|win\s9x\s)([nt\d\.]+)/i
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], [[NAME, 'Windows'], [VERSION, mapper.string, maps.os.windows.version]], [
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], [[NAME, 'Windows'], [VERSION, mapper.str, maps.os.windows.version]], [
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// Mobile/Embedded OS
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/\((bb)(10);/i // BlackBerry 10
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@ -359,7 +377,7 @@
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], [[NAME, 'Firefox OS'], VERSION], [
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// Console
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/(nintendo|playstation)\s([wids3portablev]+)/i, // Nintendo/Playstation
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/(nintendo|playstation)\s([wids3portablevu]+)/i, // Nintendo/Playstation
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// GNU/Linux based
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/(mint)[\/\s\(]?(\w+)*/i, // Mint
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@ -378,7 +396,7 @@
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], [[NAME, 'Solaris'], VERSION], [
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// BSD based
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/\s(\w*bsd|dragonfly)\s?([\w\.]+)*/i // FreeBSD/NetBSD/OpenBSD/DragonFly
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/\s([frentopc-]{0,4}bsd|dragonfly)\s?([\w\.]+)*/i // FreeBSD/NetBSD/OpenBSD/PC-BSD/DragonFly
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], [NAME, VERSION],[
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/(ip[honead]+)(?:.*os\s*([\w]+)*\slike\smac|;\sopera)/i // iOS
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@ -403,7 +421,7 @@
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////////////////
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var UAParser = function UAParser (uastring) {
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var UAParser = function (uastring) {
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var ua = uastring || ((window && window.navigator && window.navigator.userAgent) ? window.navigator.userAgent : EMPTY);
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@ -411,16 +429,16 @@
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return new UAParser(uastring).getResult();
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}
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this.getBrowser = function () {
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return mapper.regex.apply(this, regexes.browser);
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return mapper.rgx.apply(this, regexes.browser);
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};
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this.getDevice = function () {
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return mapper.regex.apply(this, regexes.device);
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return mapper.rgx.apply(this, regexes.device);
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};
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this.getEngine = function () {
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return mapper.regex.apply(this, regexes.engine);
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return mapper.rgx.apply(this, regexes.engine);
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};
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this.getOS = function () {
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return mapper.regex.apply(this, regexes.os);
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return mapper.rgx.apply(this, regexes.os);
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};
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this.getResult = function() {
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return {
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@ -447,13 +465,13 @@
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// check js environment
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if (typeof exports !== UNDEF && !/\[object\s[DOM]*Window\]/.test(global.toString())) {
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if (!util.isType(exports, UNDEF_TYPE)) {
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// nodejs env
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if (typeof module !== UNDEF && module.exports) {
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if (!util.isType(module, UNDEF_TYPE) && module.exports) {
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exports = module.exports = UAParser;
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}
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exports.UAParser = UAParser;
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} else if (typeof define === FUNC && define.amd) {
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} else if (util.isType(define, FUNC_TYPE) && define.amd) {
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// requirejs env
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define(function() {
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return UAParser;
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@ -461,21 +479,22 @@
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} else {
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// browser env
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window.UAParser = UAParser;
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// jQuery specific
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if (typeof window.jQuery !== UNDEF) {
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// jQuery specific (optional)
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if (!util.isType(window.jQuery, UNDEF_TYPE)) {
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var $ = window.jQuery;
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var parser = new UAParser();
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window.jQuery.ua = parser.getResult();
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window.jQuery.ua.get = function() {
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$.ua = parser.getResult();
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$.ua.get = function() {
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return parser.getUA();
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};
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window.jQuery.ua.set = function(uastring) {
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$.ua.set = function(uastring) {
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parser.setUA(uastring);
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var result = parser.getResult();
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for (var prop in result) {
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window.jQuery.ua[prop] = result[prop];
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$.ua[prop] = result[prop];
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}
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};
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}
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}
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})(this);
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})(this);
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