alt-library/src/clone.js

ALT library - algorithm and data structures

import isObject from "./isObject";
import isArray from "./isArray";

/**
   * Given a data as an input, return a copied (clone ) of the input
   * Example
   * ===========================
   * s
   * ===========================
   * @param {any} data
   * @return {boolean}
   */

  function clone(data) {
    let copied;

    if (!isObject(data) || data === null) {
      copied = data;
      return copied;
    }

    if (isArray(data)) {
      copied = [];

      for (let i = 0; i < data.length; i++) {
        copied[i] = clone(data[i]);
      }

      return copied;
    }

    copied = {};

    for (let key in data) {
      if (data.hasOwnProperty(key)) {
        if (!isObject(data)) {
          copied[key] = data[key];
        } else {
          copied[key] = clone(data[key]);
        }
      }
    }

    return copied;
  }

  export default clone;