stringify anything in javascript

stringify.js

/**
 * stringify if not already string
 * @param {*} input - the input to the function.
 * @return {string} output - the stringified data.
 */
const stringify = function stringify(input) {
  if (typeof input === 'string') return input;
  if (typeof input === 'object') {
    try {
      return JSON.stringify(input);
    } catch (err) {
      return String(input);
    }
  }
  return String(input);
};