Function toHeaderObject

lib/internal/http2/util.js:898–941

(headers, sensitiveHeaders)

);

function toHeaderObject(headers, sensitiveHeaders) {
  const obj = { __proto__: null };
  for (let n = 0; n < headers.length; n += 2) {
    const name = headers[n];
    let value = headers[n + 1];
    if (name === HTTP2_HEADER_STATUS)
      value |= 0;
    const existing = obj[name];
    if (existing === undefined) {
      obj[name] = name === HTTP2_HEADER_SET_COOKIE ? [value] : value;
    } else if (!kSingleValueFields.has(name)) {
      switch (name) {
        case HTTP2_HEADER_COOKIE:
          // https://tools.ietf.org/html/rfc7540#section-8.1.2.5
          // "...If there are multiple Cookie header fields after decompression,
          //  these MUST be concatenated into a single octet string using the
          //  two-octet delimiter of 0x3B, 0x20 (the ASCII string "; ") before
          //  being passed into a non-HTTP/2 context."
          obj[name] = `${existing}; ${value}`;
          break;
        case HTTP2_HEADER_SET_COOKIE:
          // https://tools.ietf.org/html/rfc7230#section-3.2.2
          // "Note: In practice, the "Set-Cookie" header field ([RFC6265]) often
          // appears multiple times in a response message and does not use the
          // list syntax, violating the above requirements on multiple header
          // fields with the same name.  Since it cannot be combined into a
          // single field-value, recipients ought to handle "Set-Cookie" as a
          // special case while processing header fields."
          existing.push(value);
          break;
        default:
          // https://tools.ietf.org/html/rfc7230#section-3.2.2
          // "A recipient MAY combine multiple header fields with the same field
          // name into one "field-name: field-value" pair, without changing the
          // semantics of the message, by appending each subsequent field value
          // to the combined field value in order, separated by a comma."
          obj[name] = `${existing}, ${value}`;
          break;
      }
    }
  }
  obj[kSensitiveHeaders] = sensitiveHeaders;
  return obj;
}

function isPayloadMeaningless(method) {
  return kNoPayloadMethods.has(method);