43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
import { last } from './last.mjs';
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import { intersectionWith as intersectionWith$1 } from '../../array/intersectionWith.mjs';
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import { uniq } from './uniq.mjs';
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import { isEqualsSameValueZero } from '../../_internal/isEqualsSameValueZero.mjs';
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function intersectionWith(firstArr, ...otherArrs) {
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if (firstArr == null) {
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return [];
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}
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const _comparator = last(otherArrs);
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let comparator = isEqualsSameValueZero;
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let uniq$1 = uniq;
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if (typeof _comparator === 'function') {
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comparator = _comparator;
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uniq$1 = uniqPreserve0;
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otherArrs.pop();
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}
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let result = uniq$1(Array.from(firstArr));
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for (let i = 0; i < otherArrs.length; ++i) {
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const otherArr = otherArrs[i];
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if (otherArr == null) {
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return [];
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}
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result = intersectionWith$1(result, Array.from(otherArr), comparator);
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}
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return result;
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}
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function uniqPreserve0(arr) {
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const result = [];
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const added = new Set();
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for (let i = 0; i < arr.length; i++) {
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const item = arr[i];
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if (added.has(item)) {
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continue;
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}
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result.push(item);
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added.add(item);
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}
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return result;
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}
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export { intersectionWith };
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