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2021-04-02 02:24:13 +03:00

16 lines
586 B
JavaScript

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