Function isHexCharByte

github-actions/saucelabs/set-saucelabs-env.js:3525–3527

(byte)

          return input.slice(start);
        }
        position.position = idx;
        return input.slice(start, position.position);
      }
      function stringPercentDecode(input) {
        const bytes = encoder.encode(input);
        return percentDecode(bytes);