From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Wed, 3 May 2017 15:35:00 +0200 Subject: node_modules --- node_modules/fbjs/lib/performanceNow.js | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 node_modules/fbjs/lib/performanceNow.js (limited to 'node_modules/fbjs/lib/performanceNow.js') diff --git a/node_modules/fbjs/lib/performanceNow.js b/node_modules/fbjs/lib/performanceNow.js new file mode 100644 index 000000000..925df0680 --- /dev/null +++ b/node_modules/fbjs/lib/performanceNow.js @@ -0,0 +1,33 @@ +'use strict'; + +/** + * Copyright (c) 2013-present, Facebook, Inc. + * All rights reserved. + * + * This source code is licensed under the BSD-style license found in the + * LICENSE file in the root directory of this source tree. An additional grant + * of patent rights can be found in the PATENTS file in the same directory. + * + * @typechecks + */ + +var performance = require('./performance'); + +var performanceNow; + +/** + * Detect if we can use `window.performance.now()` and gracefully fallback to + * `Date.now()` if it doesn't exist. We need to support Firefox < 15 for now + * because of Facebook's testing infrastructure. + */ +if (performance.now) { + performanceNow = function performanceNow() { + return performance.now(); + }; +} else { + performanceNow = function performanceNow() { + return Date.now(); + }; +} + +module.exports = performanceNow; \ No newline at end of file -- cgit v1.2.3