Function collectASequenceOfCodePointsFast

lib/internal/data_url.js:164–175

* A faster collectASequenceOfCodePoints that only works when comparing a single character. * @param {string} char * @param {string} input * @param {{ position: number }} position * @returns {string}

(char, input, position)

 * @returns {string}
 */
function collectASequenceOfCodePointsFast(char, input, position) {
  const idx = StringPrototypeIndexOf(input, char, position.position);
  const start = position.position;

  if (idx === -1) {
    position.position = input.length;
    return StringPrototypeSlice(input, start);
  }

  position.position = idx;
  return StringPrototypeSlice(input, start, position.position);
}

// https://url.spec.whatwg.org/#string-percent-decode
/**