Function isUSVString

github-actions/saucelabs/set-saucelabs-env.js:1525–1527

(val)

        return hasToWellFormed ? `${val}`.toWellFormed() : nodeUtil.toUSVString(val);
      }
      function isUSVString(val) {
        return hasIsWellFormed ? `${val}`.isWellFormed() : toUSVString(val) === `${val}`;
      }
      function isTokenCharCode(c) {
        switch (c) {
          case 34: