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

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

/**
 * Copyright 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 warning
 */

"use strict";

var emptyFunction = require("./emptyFunction");

/**
 * Similar to invariant but only logs a warning if the condition is not met.
 * This can be used to log issues in development environments in critical
 * paths. Removing the logging code for production environments will keep the
 * same logic and follow the same code paths.
 */

var warning = emptyFunction;

if ("production" !== process.env.NODE_ENV) {
  warning = function(condition, format ) {for (var args=[],$__0=2,$__1=arguments.length;$__0<$__1;$__0++) args.push(arguments[$__0]);
    if (format === undefined) {
      throw new Error(
        '`warning(condition, format, ...args)` requires a warning ' +
        'message argument'
      );
    }

    if (!condition) {
      var argIndex = 0;
      console.warn('Warning: ' + format.replace(/%s/g, function()  {return args[argIndex++];}));
    }
  };
}

module.exports = warning;