Deep JSON.parse

.js

/**
 * Converts numbers or booleans that are in text string format to native types.
 * @autor Luis Alcaras <[email protected]>
 * @version 1.0.2
 * @param {Object|Array|Number|String|Boolean} objectOrArray Element to be converted.
 * @return {Object|Array|Number|String|Boolean}
 */
function parse(objectOrArray) {
  if (Array.isArray(objectOrArray)) {
    return objectOrArray.map(parse);
  } else {
    const numberRegEx = /^[-]?([1-9]{1}[0-9]{0,}(\.[0-9]*)?|0(\.[0-9]*)?|\.[0-9]*)$/;
    let object = objectOrArray;
    if(numberRegEx.test(object)) {
      object = Number.parseFloat(object);
    } else {
      if (typeof object === 'object') {
        for (const key in object) {
          object[key] = parse(object[key]);
        }
      }
    }
    return object;
  }
};