function matchUserAgent()

in build/userale-2.3.0.js [339:353]

• 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));
  }