aboutsummaryrefslogtreecommitdiff
path: root/node_modules/react-dom/lib/shouldUpdateReactComponent.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/react-dom/lib/shouldUpdateReactComponent.js')
-rw-r--r--node_modules/react-dom/lib/shouldUpdateReactComponent.js41
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; \ No newline at end of file