bootstrap-vue/esm/components/table/helpers/text-selection-active.js

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import { getSel, isElement } from '../../../utils/dom'; // Helper to determine if a there is an active text selection on the document page
// Used to filter out click events caused by the mouse up at end of selection
//
// Accepts an element as only argument to test to see if selection overlaps or is
// contained within the element

var textSelectionActive = function textSelectionActive() {
  var el = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : document;
  var sel = getSel();
  return sel && sel.toString().trim() !== '' && sel.containsNode && isElement(el) ? sel.containsNode(el, true) : false;
};

export default textSelectionActive;