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Diffstat (limited to 'node_modules/fbjs/lib/containsNode.js.flow')
-rw-r--r-- | node_modules/fbjs/lib/containsNode.js.flow | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/node_modules/fbjs/lib/containsNode.js.flow b/node_modules/fbjs/lib/containsNode.js.flow deleted file mode 100644 index b2117f315..000000000 --- a/node_modules/fbjs/lib/containsNode.js.flow +++ /dev/null @@ -1,36 +0,0 @@ -/** - * 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. - * - * @providesModule containsNode - * @flow - */ - -const isTextNode = require('./isTextNode'); - -/*eslint-disable no-bitwise */ - -/** - * Checks if a given DOM node contains or is another DOM node. - */ -function containsNode(outerNode: ?Node, innerNode: ?Node): boolean { - if (!outerNode || !innerNode) { - return false; - } else if (outerNode === innerNode) { - return true; - } else if (isTextNode(outerNode)) { - return false; - } else if (isTextNode(innerNode)) { - return containsNode(outerNode, innerNode.parentNode); - } else if ('contains' in outerNode) { - return outerNode.contains(innerNode); - } else if (outerNode.compareDocumentPosition) { - return !!(outerNode.compareDocumentPosition(innerNode) & 16); - } else { - return false; - } -} - -module.exports = containsNode;
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