bbo/map_string.js

bbo is a utility library of zero dependencies for javascript.

'use strict';

/**
 * Creates a new string with the results of calling a provided function
 * on every character in the calling string.
 */
var mapString = (str, fn) => str.split('').map((c, i) => fn(c, i, str)).join('');

module.exports = mapString;