setup-node/node_modules/left-pad/perf/O(n).js

'use strict';

module.exports = function (str, len, ch) {
  str = str + '';

  len = len - str.length;
  if (len <= 0) return str;

  if (!ch && ch !== 0) ch = ' ';
  ch = ch + '';

  while (len--) {
    str = ch + str;
  }

  return str;
}