d2-ui
Version:
48 lines (43 loc) • 1.77 kB
JavaScript
/**
* Copyright 2013-2015, 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.
*
* @providesModule deprecated
*/
;
var assign = require('./Object.assign');
var warning = require('fbjs/lib/warning');
/**
* This will log a single deprecation notice per function and forward the call
* on to the new API.
*
* @param {string} fnName The name of the function
* @param {string} newModule The module that fn will exist in
* @param {string} newPackage The module that fn will exist in
* @param {*} ctx The context this forwarded call should run in
* @param {function} fn The function to forward on to
* @return {function} The function that will warn once and then call fn
*/
function deprecated(fnName, newModule, newPackage, ctx, fn) {
var warned = false;
if (process.env.NODE_ENV !== 'production') {
var newFn = function () {
process.env.NODE_ENV !== 'production' ? warning(warned,
// Require examples in this string must be split to prevent React's
// build tools from mistaking them for real requires.
// Otherwise the build tools will attempt to build a '%s' module.
'React.%s is deprecated. Please use %s.%s from require' + '(\'%s\') ' + 'instead.', fnName, newModule, fnName, newPackage) : undefined;
warned = true;
return fn.apply(ctx, arguments);
};
// We need to make sure all properties of the original fn are copied over.
// In particular, this is needed to support PropTypes
return assign(newFn, fn);
}
return fn;
}
module.exports = deprecated;