everyutil/array/transpose.js

A comprehensive library of lightweight, reusable utility functions for JavaScript and TypeScript, designed to streamline common programming tasks such as string manipulation, array processing, date handling, and more.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transpose = void 0;
/**
 * Matrix transpose.
 * @author @dailker
 * @template T
 * @param {T[][]} arrayOfArrays
 * @returns {T[][]}
 */
function transpose(arrayOfArrays) {
    if (!arrayOfArrays.length)
        return [];
    const maxLen = Math.max(...arrayOfArrays.map(arr => arr.length));
    return Array.from({ length: maxLen }, (_, i) => arrayOfArrays.map(arr => arr[i]));
}
exports.transpose = transpose;