funcunit/site/node_modules/left-pad/index.js

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module.exports = leftpad;

function leftpad (str, len, ch) {
  str = String(str);

  var i = -1;

  ch || (ch = ' ');
  len = len - str.length;


  while (++i < len) {
    str = ch + str;
  }

  return str;
}