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refactor(eg): separate eg.Agent from eg (naver#327)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,255 @@ | ||
| /** | ||
| * Copyright (c) 2015 NAVER Corp. | ||
| * egjs projects are licensed under the MIT license | ||
| */ | ||
|
|
||
| eg.module("agent", [eg], function(ns) { | ||
| "use strict"; | ||
|
|
||
| /* | ||
| * {String|RegEx} criteria | ||
| * {String|RegEx} identity | ||
| * {String} versionSearch | ||
| * {String} versionAlias | ||
| * {String|RegEx} webviewBrowserVersion | ||
| * {String|RegEx} webviewToken | ||
| */ | ||
| var userAgentRules = { | ||
| browser: [{ | ||
| criteria: "PhantomJS", | ||
| identity: "PhantomJS" | ||
| }, { | ||
| criteria: /Edge/, | ||
| identity: "Edge", | ||
| versionSearch: "Edge" | ||
| }, { | ||
| criteria: /MSIE|Trident|Windows Phone/, | ||
| identity: "IE", | ||
| versionSearch: "IEMobile|MSIE|rv" | ||
| }, { | ||
| criteria: /SAMSUNG|SamsungBrowser/, | ||
| identity: "SBrowser", | ||
| versionSearch: "Chrome" | ||
| }, { | ||
| criteria: /Chrome|CriOS/, | ||
| identity: "Chrome" | ||
| }, { | ||
| criteria: /Android/, | ||
| identity: "default" | ||
| }, { | ||
| criteria: /iPhone|iPad/, | ||
| identity: "Safari", | ||
| versionSearch: "Version" | ||
| }, { | ||
| criteria: "Apple", | ||
| identity: "Safari", | ||
| versionSearch: "Version" | ||
| }, { | ||
| criteria: "Firefox", | ||
| identity: "Firefox" | ||
| }], | ||
| os: [{ | ||
| criteria: /Windows Phone|Windows NT/, | ||
| identity: "Window", | ||
| versionSearch: "Windows Phone|Windows NT" | ||
| }, { | ||
| criteria: "Windows 2000", | ||
| identity: "Window", | ||
| versionAlias: "5.0" | ||
| }, { | ||
| criteria: /iPhone|iPad/, | ||
| identity: "iOS", | ||
| versionSearch: "iPhone OS|CPU OS" | ||
| }, { | ||
| criteria: "Mac", | ||
| versionSearch: "OS X", | ||
| identity: "MAC" | ||
| }, { | ||
| criteria: /Android/, | ||
| identity: "Android" | ||
| }], | ||
|
|
||
| // Webview check condition | ||
| // ios: If has no version information | ||
| // Android 5.0 && chrome 40+: Presence of "; wv" in userAgent | ||
| // Under android 5.0: Presence of "NAVER" or "Daum" in userAgent | ||
| webview: [{ | ||
| criteria: /iPhone|iPad/, | ||
| browserVersionSearch: "Version", | ||
| webviewBrowserVersion: /-1/ | ||
| }, { | ||
| criteria: /iPhone|iPad|Android/, | ||
| webviewToken: /NAVER|DAUM|; wv/ | ||
|
|
||
| }], | ||
| defaultString: { | ||
| browser: { | ||
| version: "-1", | ||
| name: "default" | ||
| }, | ||
| os: { | ||
| version: "-1", | ||
| name: "unknown" | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| var UA; | ||
|
|
||
| function getBrowserName(browserRules) { | ||
| return getIdentityStringFromArray( | ||
| browserRules, | ||
| userAgentRules.defaultString.browser | ||
| ); | ||
| } | ||
|
|
||
| function getBrowserVersion(browserName) { | ||
| var browserVersion; | ||
| var versionToken; | ||
|
|
||
| if (!browserName) { | ||
| return; | ||
| } | ||
| versionToken = getBrowserRule(browserName).versionSearch || browserName; | ||
| browserVersion = extractBrowserVersion(versionToken, UA); | ||
| return browserVersion; | ||
| } | ||
|
|
||
| function extractBrowserVersion(versionToken, ua) { | ||
| var browserVersion = userAgentRules.defaultString.browser.version; | ||
| var versionIndex; | ||
| var versionTokenIndex; | ||
| var versionRegexResult = | ||
| (new RegExp("(" + versionToken + ")", "i")).exec(ua); | ||
|
|
||
| if (!versionRegexResult) { | ||
| return browserVersion; | ||
| } | ||
|
|
||
| versionTokenIndex = versionRegexResult.index; | ||
| versionToken = versionRegexResult[0]; | ||
| if (versionTokenIndex > -1) { | ||
| versionIndex = versionTokenIndex + versionToken.length + 1; | ||
| browserVersion = ua.substring(versionIndex) | ||
| .split(" ")[0] | ||
| .replace(/_/g, ".") | ||
| .replace(/\;|\)/g, ""); | ||
| } | ||
| return browserVersion; | ||
| } | ||
|
|
||
| function getOSName(osRules) { | ||
| return getIdentityStringFromArray( | ||
| osRules, | ||
| userAgentRules.defaultString.os | ||
| ); | ||
| } | ||
|
|
||
| function getOSVersion(osName) { | ||
| var ua = UA; | ||
| var osRule = getOSRule(osName) || {}; | ||
| var defaultOSVersion = userAgentRules.defaultString.os.version; | ||
| var osVersion; | ||
| var osVersionToken; | ||
| var osVersionRegex; | ||
| var osVersionRegexResult; | ||
| if (!osName) { | ||
| return; | ||
| } | ||
| if (osRule.versionAlias) { | ||
| return osRule.versionAlias; | ||
| } | ||
| osVersionToken = osRule.versionSearch || osName; | ||
| osVersionRegex = | ||
| new RegExp( | ||
| "(" + osVersionToken + ")\\s([\\d_\\.]+|\\d_0)", | ||
| "i" | ||
| ); | ||
|
|
||
| osVersionRegexResult = osVersionRegex.exec(ua); | ||
| if (osVersionRegexResult) { | ||
| osVersion = osVersionRegex.exec(ua)[2].replace(/_/g, ".") | ||
| .replace(/\;|\)/g, ""); | ||
| } | ||
| return osVersion || defaultOSVersion; | ||
| } | ||
|
|
||
| function getOSRule(osName) { | ||
| return getRule(userAgentRules.os, osName); | ||
| } | ||
|
|
||
| function getBrowserRule(browserName) { | ||
| return getRule(userAgentRules.browser, browserName); | ||
| } | ||
|
|
||
| function getRule(rules, targetIdentity) { | ||
| var criteria; | ||
| var identityMatched; | ||
|
|
||
| for (var i = 0, rule; rule = rules[i]; i++) { | ||
| criteria = rule.criteria; | ||
| identityMatched = | ||
| new RegExp(rule.identity, "i").test(targetIdentity); | ||
| if (criteria ? | ||
| identityMatched && isMatched(UA, criteria) : | ||
| identityMatched) { | ||
| return rule; | ||
| } | ||
| } | ||
| } | ||
| function getIdentityStringFromArray(rules, defaultStrings) { | ||
| for (var i = 0, rule; rule = rules[i]; i++) { | ||
| if (isMatched(UA, rule.criteria)) { | ||
| return rule.identity || defaultStrings.name; | ||
| } | ||
| } | ||
| return defaultStrings.name; | ||
| } | ||
| function isMatched(base, target) { | ||
| return target && | ||
| target.test ? !!target.test(base) : base.indexOf(target) > -1; | ||
| } | ||
| function isWebview() { | ||
| var ua = UA; | ||
| var webviewRules = userAgentRules.webview; | ||
| var ret = false; | ||
| var browserVersion; | ||
|
|
||
| for (var i = 0, rule; rule = webviewRules[i]; i++) { | ||
| if (!isMatched(ua, rule.criteria)) { | ||
| continue; | ||
| } | ||
|
|
||
| browserVersion = | ||
| extractBrowserVersion(rule.browserVersionSearch, ua); | ||
|
|
||
| if (isMatched(ua, rule.webviewToken) || | ||
| isMatched(browserVersion, rule.webviewBrowserVersion)) { | ||
| ret = true; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return ret; | ||
| } | ||
|
|
||
| ns.Agent = { | ||
| "create": function(useragent) { | ||
| this.ua = UA = useragent; | ||
| var agent = { | ||
| os: {}, | ||
| browser: {} | ||
| }; | ||
| agent.browser.name = getBrowserName(userAgentRules.browser); | ||
| agent.browser.version = getBrowserVersion(agent.browser.name); | ||
| agent.os.name = getOSName(userAgentRules.os); | ||
| agent.os.version = getOSVersion(agent.os.name); | ||
| agent.browser.webview = isWebview(); | ||
|
|
||
| agent.browser.name = agent.browser.name.toLowerCase(); | ||
| agent.os.name = agent.os.name.toLowerCase(); | ||
|
|
||
| return agent; | ||
| } | ||
| }; | ||
| }); |
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