react-addons-test-utils/index.js

This package provides the React TestUtils add-on.

/**
 * Copyright (c) 2013-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

'use strict';

var lowPriorityWarning = function lowPriorityWarning() {};

if (process.env.NODE_ENV !== 'production') {
  var printWarning = function(format) {
    for (
      var _len = arguments.length,
        args = Array(_len > 1 ? _len - 1 : 0),
        _key = 1;
      _key < _len;
      _key++
    ) {
      args[_key - 1] = arguments[_key];
    }

    var argIndex = 0;
    var message =
      'Warning: ' +
      format.replace(/%s/g, function() {
        return args[argIndex++];
      });
    if (typeof console !== 'undefined') {
      console.warn(message);
    }
    try {
      // --- Welcome to debugging React ---
      // This error was thrown as a convenience so that you can use this stack
      // to find the callsite that caused this warning to fire.
      throw new Error(message);
    } catch (x) {}
  };

  lowPriorityWarning = function(condition, format) {
    if (format === undefined) {
      throw new Error(
        '`warning(condition, format, ...args)` requires a warning ' +
          'message argument'
      );
    }
    if (!condition) {
      for (
        var _len2 = arguments.length,
          args = Array(_len2 > 2 ? _len2 - 2 : 0),
          _key2 = 2;
        _key2 < _len2;
        _key2++
      ) {
        args[_key2 - 2] = arguments[_key2];
      }

      printWarning.apply(undefined, [format].concat(args));
    }
  };
}

// This package has been deprecated in NPM as of version 15.5.0
// But NPM deprecation warnings are easy to overlook
// So a more explicit runtime warning seemed appropriate
lowPriorityWarning(
  false,
  'ReactTestUtils has been moved to react-dom/test-utils. ' +
    'Update references to remove this warning.'
);

module.exports = require('react-dom/lib/ReactTestUtils');