Function processHeader

out/cli.cjs:52767–52819

(request3, key, val, skipAppend = false)

      }
      val = val != null ? `${val}` : "";
      if (headerCharRegex.exec(val) !== null) {
        throw new InvalidArgumentError(`invalid ${key} header`);
      }
      return skipAppend ? val : `${key}: ${val}\r
`;
    }
    function processHeader(request3, key, val, skipAppend = false) {
      if (val && (typeof val === "object" && !Array.isArray(val))) {
        throw new InvalidArgumentError(`invalid ${key} header`);
      } else if (val === void 0) {
        return;
      }
      if (request3.host === null && key.length === 4 && key.toLowerCase() === "host") {
        if (headerCharRegex.exec(val) !== null) {
          throw new InvalidArgumentError(`invalid ${key} header`);
        }
        request3.host = val;
      } else if (request3.contentLength === null && key.length === 14 && key.toLowerCase() === "content-length") {
        request3.contentLength = parseInt(val, 10);
        if (!Number.isFinite(request3.contentLength)) {
          throw new InvalidArgumentError("invalid content-length header");
        }
      } else if (request3.contentType === null && key.length === 12 && key.toLowerCase() === "content-type") {
        request3.contentType = val;
        if (skipAppend) request3.headers[key] = processHeaderValue(key, val, skipAppend);
        else request3.headers += processHeaderValue(key, val);
      } else if (key.length === 17 && key.toLowerCase() === "transfer-encoding") {
        throw new InvalidArgumentError("invalid transfer-encoding header");
      } else if (key.length === 10 && key.toLowerCase() === "connection") {
        const value = typeof val === "string" ? val.toLowerCase() : null;
        if (value !== "close" && value !== "keep-alive") {
          throw new InvalidArgumentError("invalid connection header");
        } else if (value === "close") {
          request3.reset = true;
        }
      } else if (key.length === 10 && key.toLowerCase() === "keep-alive") {
        throw new InvalidArgumentError("invalid keep-alive header");
      } else if (key.length === 7 && key.toLowerCase() === "upgrade") {
        throw new InvalidArgumentError("invalid upgrade header");
      } else if (key.length === 6 && key.toLowerCase() === "expect") {
        throw new NotSupportedError("expect header not supported");
      } else if (tokenRegExp.exec(key) === null) {
        throw new InvalidArgumentError("invalid header key");
      } else {
        if (Array.isArray(val)) {
          for (let i3 = 0; i3 < val.length; i3++) {
            if (skipAppend) {
              if (request3.headers[key]) request3.headers[key] += `,${processHeaderValue(key, val[i3], skipAppend)}`;
              else request3.headers[key] = processHeaderValue(key, val[i3], skipAppend);
            } else {
              request3.headers += processHeaderValue(key, val[i3]);
            }
          }
        } else {
          if (skipAppend) request3.headers[key] = processHeaderValue(key, val, skipAppend);
          else request3.headers += processHeaderValue(key, val);