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15 lines
336 B
TypeScript
15 lines
336 B
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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export default (parent, child, checkSame = true) => {
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if (checkSame && parent === child) return true;
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let node = child.parentNode;
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while (node) {
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if (node === parent) return true;
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node = node.parentNode;
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}
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return false;
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};
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