Method normalize

out/cli.cjs:72157–72175

(format)

      const key = keys[i3];
      if (!matcher || matchHeaderValue(this, this[key], key, matcher, true)) {
        delete this[key];
        deleted = true;
      }
    }
    return deleted;
  }
  normalize(format) {
    const self2 = this;
    const headers = {};
    utils_default.forEach(this, (value, header) => {
      const key = utils_default.findKey(headers, header);
      if (key) {
        self2[key] = normalizeValue2(value);
        delete self2[header];
        return;
      }
      const normalized = format ? formatHeader(header) : String(header).trim();
      if (normalized !== header) {
        delete self2[header];
      }
      self2[normalized] = normalizeValue2(value);
      headers[normalized] = true;