16 lines
586 B
JavaScript
16 lines
586 B
JavaScript
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/**
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* Copyright (c) Nicolas Gallagher
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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*
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*/
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export default function isSelectionValid() {
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var selection = window.getSelection();
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var string = selection.toString();
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var anchorNode = selection.anchorNode;
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var focusNode = selection.focusNode;
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var isTextNode = anchorNode && anchorNode.nodeType === window.Node.TEXT_NODE || focusNode && focusNode.nodeType === window.Node.TEXT_NODE;
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return string.length >= 1 && string !== '\n' && isTextNode;
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}
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