Method constructor

lib/api/api-stream.js:60–115

(opts, factory, callback)

class StreamHandler extends AsyncResource {
  constructor (opts, factory, callback) {
    if (!opts || typeof opts !== 'object') {
      throw new InvalidArgumentError('invalid opts')
    }

    const { signal, method, opaque, body, onInfo, responseHeaders } = opts

    try {
      if (typeof callback !== 'function') {
        throw new InvalidArgumentError('invalid callback')
      }

      if (typeof factory !== 'function') {
        throw new InvalidArgumentError('invalid factory')
      }

      if (signal && typeof signal.on !== 'function' && typeof signal.addEventListener !== 'function') {
        throw new InvalidArgumentError('signal must be an EventEmitter or EventTarget')
      }

      if (method === 'CONNECT') {
        throw new InvalidArgumentError('invalid method')
      }

      if (onInfo && typeof onInfo !== 'function') {
        throw new InvalidArgumentError('invalid onInfo callback')
      }

      super('UNDICI_STREAM')
    } catch (err) {
      if (util.isStream(body)) {
        util.destroy(body.on('error', noop), err)
      }
      throw err
    }

    this.responseHeaders = responseHeaders || null
    this.opaque = opaque || null
    this.factory = factory
    this.callback = callback
    this.res = null
    this.abort = null
    this.context = null
    this.controller = null
    this.trailers = null
    this.body = body
    this.onInfo = onInfo || null

    if (util.isStream(body)) {
      body.on('error', (err) => {
        this.onResponseError(this.controller, err)
      })
    }

    addSignal(this, signal)
  }

  onRequestStart (controller, context) {