function matchUserAgent()

in build/UserALEWebExtension/content.js [354:368]

• 11 lines of code
• 4 McCabe index (conditional complexity)

function matchUserAgent(ua) {
    // opted for using reduce here rather than Array#first with a regex.test call
    // this is primarily because using the reduce we only perform the regex
    // execution once rather than once for the test and for the exec again below
    // probably something that needs to be benchmarked though
    return (ua !== '' &&
        userAgentRules.reduce(function (matched, _a) {
            var browser = _a[0], regex = _a[1];
            if (matched) {
                return matched;
            }
            var uaMatch = regex.exec(ua);
            return !!uaMatch && [browser, uaMatch];
        }, false));
}