Method callback

lib/application.js:167–183

* Return a request handler callback * for node's native http server. * * @return {Function} * @api public

()

   */

  callback () {
    const fn = this.compose(this.middleware)

    if (!this.listenerCount(class="st">'error')) this.on(class="st">'error', this.onerror)

    const handleRequest = (req, res) => {
      const ctx = this.createContext(req, res)
      if (!this.ctxStorage) {
        return this.handleRequest(ctx, fn)
      }
      return this.ctxStorage.run(ctx, async () => {
        return await this.handleRequest(ctx, fn)
      })
    }

    return handleRequest
  }

  /**
   * return current context from async local storage