Function len

lib/sprintf.js:3–7

(s)

'use strict'

function len(s) {
  let s1 = s.replace(/\u001b\[[^m]*m/g, ''); // remove color controls
  s1 = s1.replace(/[^\x00-\xff]/g, '  '); // fix non-ascii
  return s1.length;
}

function padLeft(s, n, c) {
  let k = Math.max(0, n - len(s));