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34 lines
897 B
JavaScript
34 lines
897 B
JavaScript
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"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.default = activeElement;
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var _ownerDocument = _interopRequireDefault(require("./ownerDocument"));
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/**
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* Returns the actively focused element safely.
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*
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* @param doc the document to check
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*/
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function activeElement(doc) {
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if (doc === void 0) {
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doc = (0, _ownerDocument.default)();
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}
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// Support: IE 9 only
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// IE9 throws an "Unspecified error" accessing document.activeElement from an <iframe>
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try {
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var active = doc.activeElement; // IE11 returns a seemingly empty object in some cases when accessing
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// document.activeElement from an <iframe>
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if (!active || !active.nodeName) return null;
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return active;
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} catch (e) {
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/* ie throws if no active element */
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return doc.body;
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}
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}
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module.exports = exports["default"];
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