react-pivot/node_modules2/react/lib/deprecated.js

React-Pivot is a data-grid component with pivot-table-like functionality for data display, filtering, and exploration.

/**
 * Copyright 2013-2014, 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("./warning");

/**
 * This will log a single deprecation notice per function and forward the call
 * on to the new API.
 *
 * @param {string} namespace The namespace of the call, eg 'React'
 * @param {string} oldName The old function name, eg 'renderComponent'
 * @param {string} newName The new function name, eg 'render'
 * @param {*} ctx The context this forwarded call should run in
 * @param {function} fn The function to forward on to
 * @return {*} Will be the value as returned from `fn`
 */
function deprecated(namespace, oldName, newName, ctx, fn) {
  var warned = false;
  if ("production" !== process.env.NODE_ENV) {
    var newFn = function() {
      ("production" !== process.env.NODE_ENV ? warning(
        warned,
        (namespace + "." + oldName + " will be deprecated in a future version. ") +
        ("Use " + namespace + "." + newName + " instead.")
      ) : null);
      warned = true;
      return fn.apply(ctx, arguments);
    };
    newFn.displayName = (namespace + "_" + oldName);
    // 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;