/** * Copyright 2014-2015, 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. * */ 'use strict'; var invariant = require('./invariant'); /** * Provides open-source compatible instrumentation for monitoring certain API * uses before we're ready to issue a warning or refactor. It accepts an event * name which may only contain the characters [a-z0-9_] and an optional data * object with further information. */ function monitorCodeUse(eventName, data) { !(eventName && !/[^a-z0-9_]/.test(eventName)) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'You must provide an eventName using only the characters [a-z0-9_]') : invariant(false) : void 0; } module.exports = monitorCodeUse;