nyks/string/chunk.js

"use strict";

module.exports = function(str, chunkSize) {
  if(chunkSize <= 0)
    return [str];

  var chunks = [];
  chunkSize = chunkSize || 1;

  while(str) {
    if(str.length < chunkSize) {
      chunks.push(str);
      break;
    } else {
      chunks.push(str.substr(0, chunkSize));
      str = str.substr(chunkSize);
    }
  }
  return chunks;
};