Function consume

deps/undici/src/lib/api/readable.js:383–423

* @template {ConsumeType} T * @param {BodyReadable} stream * @param {T} type * @returns {Promise >}

(stream, type)

 * @returns {Promise<ConsumeReturnType<T>>}
 */
function consume (stream, type) {
  assert(!stream[kConsume])

  return new Promise((resolve, reject) => {
    if (isUnusable(stream)) {
      const rState = stream._readableState
      if (rState.destroyed && rState.closeEmitted === false) {
        stream
          .on('error', reject)
          .on('close', () => {
            reject(new TypeError('unusable'))
          })
      } else {
        reject(rState.errored ?? new TypeError('unusable'))
      }
    } else {
      queueMicrotask(() => {
        stream[kConsume] = {
          type,
          stream,
          resolve,
          reject,
          length: 0,
          body: []
        }

        stream
          .on('error', function (err) {
            consumeFinish(this[kConsume], err)
          })
          .on('close', function () {
            if (this[kConsume].body !== null) {
              consumeFinish(this[kConsume], new RequestAbortedError())
            }
          })

        consumeStart(stream[kConsume])
      })
    }
  })
}

/**
 * @param {Consume} consume