@nesvet/n/dist/intersection.js

Various utilities

export function intersection(...iterables) {
    const intersectionArray = [];
    if (iterables.length) {
        const [firstIterable, ...otherIterables] = iterables;
        mainLoop: for (const item of firstIterable) {
            for (const otherIterable of otherIterables)
                if (otherIterable instanceof Set ? !otherIterable.has(item) : !otherIterable.includes(item))
                    continue mainLoop;
            intersectionArray.push(item);
        }
    }
    return intersectionArray;
}
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