Method constructor

js/bundle/src/encoder.ts:244–254

(status: number, headers: Headers)

class HeaderMap extends Map<string, string> {
  constructor(status: number, headers: Headers) {
    super();
    if (status < 100 || status > 999) {
      throw new Error('Invalid status code');
    }

    this.set(':status', status.toString());
    for (const key of Object.keys(headers)) {
      this.set(key.toLowerCase(), headers[key]);
    }
  }

  toCBOR(): Uint8Array {
    // Convert keys and values to Uint8Array, as the CBOR representation of