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Diffstat (limited to 'node_modules/react-dom/lib/flattenChildren.js')
-rw-r--r-- | node_modules/react-dom/lib/flattenChildren.js | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/node_modules/react-dom/lib/flattenChildren.js b/node_modules/react-dom/lib/flattenChildren.js deleted file mode 100644 index 38b9eadc0..000000000 --- a/node_modules/react-dom/lib/flattenChildren.js +++ /dev/null @@ -1,75 +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 KeyEscapeUtils = require('./KeyEscapeUtils'); -var traverseAllChildren = require('./traverseAllChildren'); -var warning = require('fbjs/lib/warning'); - -var ReactComponentTreeHook; - -if (typeof process !== 'undefined' && process.env && process.env.NODE_ENV === 'test') { - // Temporary hack. - // Inline requires don't work well with Jest: - // https://github.com/facebook/react/issues/7240 - // Remove the inline requires when we don't need them anymore: - // https://github.com/facebook/react/pull/7178 - ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook'); -} - -/** - * @param {function} traverseContext Context passed through traversal. - * @param {?ReactComponent} child React child component. - * @param {!string} name String name of key path to child. - * @param {number=} selfDebugID Optional debugID of the current internal instance. - */ -function flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID) { - // We found a component instance. - if (traverseContext && typeof traverseContext === 'object') { - var result = traverseContext; - var keyUnique = result[name] === undefined; - if (process.env.NODE_ENV !== 'production') { - if (!ReactComponentTreeHook) { - ReactComponentTreeHook = require('react/lib/ReactComponentTreeHook'); - } - if (!keyUnique) { - process.env.NODE_ENV !== 'production' ? warning(false, 'flattenChildren(...): Encountered two children with the same key, ' + '`%s`. Child keys must be unique; when two children share a key, only ' + 'the first child will be used.%s', KeyEscapeUtils.unescape(name), ReactComponentTreeHook.getStackAddendumByID(selfDebugID)) : void 0; - } - } - if (keyUnique && child != null) { - result[name] = child; - } - } -} - -/** - * Flattens children that are typically specified as `props.children`. Any null - * children will not be included in the resulting object. - * @return {!object} flattened children keyed by name. - */ -function flattenChildren(children, selfDebugID) { - if (children == null) { - return children; - } - var result = {}; - - if (process.env.NODE_ENV !== 'production') { - traverseAllChildren(children, function (traverseContext, child, name) { - return flattenSingleChildIntoContext(traverseContext, child, name, selfDebugID); - }, result); - } else { - traverseAllChildren(children, flattenSingleChildIntoContext, result); - } - return result; -} - -module.exports = flattenChildren;
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