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Diffstat (limited to 'node_modules/react-dom/lib/shouldUpdateReactComponent.js')
-rw-r--r-- | node_modules/react-dom/lib/shouldUpdateReactComponent.js | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/node_modules/react-dom/lib/shouldUpdateReactComponent.js b/node_modules/react-dom/lib/shouldUpdateReactComponent.js deleted file mode 100644 index d39b948be..000000000 --- a/node_modules/react-dom/lib/shouldUpdateReactComponent.js +++ /dev/null @@ -1,41 +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'; - -/** - * Given a `prevElement` and `nextElement`, determines if the existing - * instance should be updated as opposed to being destroyed or replaced by a new - * instance. Both arguments are elements. This ensures that this logic can - * operate on stateless trees without any backing instance. - * - * @param {?object} prevElement - * @param {?object} nextElement - * @return {boolean} True if the existing instance should be updated. - * @protected - */ - -function shouldUpdateReactComponent(prevElement, nextElement) { - var prevEmpty = prevElement === null || prevElement === false; - var nextEmpty = nextElement === null || nextElement === false; - if (prevEmpty || nextEmpty) { - return prevEmpty === nextEmpty; - } - - var prevType = typeof prevElement; - var nextType = typeof nextElement; - if (prevType === 'string' || prevType === 'number') { - return nextType === 'string' || nextType === 'number'; - } else { - return nextType === 'object' && prevElement.type === nextElement.type && prevElement.key === nextElement.key; - } -} - -module.exports = shouldUpdateReactComponent;
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