2017-04-04 20:03:47 +00:00
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class Utils {
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/**
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* Get first matched item for a string
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* @param {RegExp} regexp
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* @param {String} ua
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* @return {Array|{index: number, input: string}|*|boolean|string}
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*/
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static getFirstMatch(regexp, ua) {
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const match = ua.match(regexp);
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return (match && match.length > 0 && match[1]) || '';
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}
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/**
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* Get second matched item for a string
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* @param regexp
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2017-04-09 14:13:00 +00:00
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* @param {String} ua
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2017-04-04 20:03:47 +00:00
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* @return {Array|{index: number, input: string}|*|boolean|string}
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*/
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static getSecondMatch(regexp, ua) {
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const match = ua.match(regexp);
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return (match && match.length > 1 && match[2]) || '';
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}
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2017-05-18 20:56:26 +00:00
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/**
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* Match a regexp and return a constant or undefined
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* @param {RegExp} regexp
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* @param {String} ua
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* @param {*} _const Any const that will be returned if regexp matches the string
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* @return {*}
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*/
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static matchAndReturnConst(regexp, ua, _const) {
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if (regexp.test(ua)) {
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return _const;
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}
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return void(0);
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}
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2017-04-04 20:03:47 +00:00
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}
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module.exports = Utils;
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