Function arrayMapN

components/dash-table/src/core/math/arrayZipMap.ts:49–65

(
    fn: (i: number, ...args: any[]) => TR,
    ...arrays: any[][]
)

}

export function arrayMapN<TR>(
    fn: (i: number, ...args: any[]) => TR,
    ...arrays: any[][]
) {
    const a1 = arrays.slice(0, 1);
    const as = arrays.slice(1);

    const _a1_ = a1.length;

    const res: TR[] = new Array<TR>(_a1_);

    for (let i = 0; i < _a1_; ++i) {
        res[i] = fn(i, a1[i], ...as.map(a => a[i]));
    }

    return res;
}