Method checkVersion

src/llhttp/http.ts:304–325

(destination: string)

      .otherwise(p.error(ERROR.INVALID_CONSTANT, 'Invalid word encountered'));

    const checkVersion = (destination: string): Node => {
      const node = n(destination);
      const errorNode = this.span.version.end(p.error(ERROR.INVALID_VERSION, 'Invalid HTTP version'));

      return this.testLenientFlags(LENIENT_FLAGS.VERSION,
        {
          1: node,
        },
        this.load('http_major', {
          0: this.load('http_minor', {
            9: node,
          }, errorNode),
          1: this.load('http_minor', {
            0: node,
            1: node,
          }, errorNode),
          2: this.load('http_minor', {
            0: node,
          }, errorNode),
        }, errorNode),
      );
    };

    const checkIfAllowLFWithoutCR = (success: Node, failure: Node) => {
      return this.testLenientFlags(LENIENT_FLAGS.OPTIONAL_CR_BEFORE_LF, { 1: success }, failure);