24 lines
648 B
TypeScript
24 lines
648 B
TypeScript
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import { SimpleRange } from "./types";
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/**
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* Returns true if two ranges are equal, or false otherwise. Ranges are
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* considered equal if their start and end occur in the same container and
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* offset.
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*
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* @param {Range|null} a First range object to test.
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* @param {Range|null} b First range object to test.
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*
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* @return {boolean} Whether the two ranges are equal.
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*/
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export function isRangeEqual( a: SimpleRange, b: SimpleRange ): boolean {
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return (
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a === b ||
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( a &&
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b &&
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a.startContainer === b.startContainer &&
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a.startOffset === b.startOffset &&
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a.endContainer === b.endContainer &&
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a.endOffset === b.endOffset )
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);
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}
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