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7 lines
397 B
JavaScript
Vendored
7 lines
397 B
JavaScript
Vendored
/* eslint-disable no-bitwise, no-cond-assign */
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// HTML DOM and SVG DOM may have different support levels,
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// so we need to check on context instead of a document root element.
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export default function contains(context, node) {
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if (context.contains) return context.contains(node);
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if (context.compareDocumentPosition) return context === node || !!(context.compareDocumentPosition(node) & 16);
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} |