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Diffstat (limited to 'node_modules/react/lib/onlyChild.js')
-rw-r--r-- | node_modules/react/lib/onlyChild.js | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/node_modules/react/lib/onlyChild.js b/node_modules/react/lib/onlyChild.js deleted file mode 100644 index 527d6e64a..000000000 --- a/node_modules/react/lib/onlyChild.js +++ /dev/null @@ -1,37 +0,0 @@ -/** - * Copyright 2013-present, 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 _prodInvariant = require('./reactProdInvariant'); - -var ReactElement = require('./ReactElement'); - -var invariant = require('fbjs/lib/invariant'); - -/** - * Returns the first child in a collection of children and verifies that there - * is only one child in the collection. - * - * See https://facebook.github.io/react/docs/top-level-api.html#react.children.only - * - * The current implementation of this function assumes that a single child gets - * passed without a wrapper, but the purpose of this helper function is to - * abstract away the particular structure of children. - * - * @param {?object} children Child collection structure. - * @return {ReactElement} The first and only `ReactElement` contained in the - * structure. - */ -function onlyChild(children) { - !ReactElement.isValidElement(children) ? process.env.NODE_ENV !== 'production' ? invariant(false, 'React.Children.only expected to receive a single React element child.') : _prodInvariant('143') : void 0; - return children; -} - -module.exports = onlyChild;
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