Function base64clean

stackgl_modules/index.js:1406–1418

(str)

var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g;
function base64clean(str) {
  // Node takes equal signs as end of the Base64 encoding
  str = str.split('=')[0];
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = str.trim().replace(INVALID_BASE64_RE, '');
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return '';
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '=';
  }
  return str;
}
function utf8ToBytes(string, units) {
  units = units || Infinity;
  var codePoint;