Sample request using undici

sample-undici.js

const { request } = require('undici')

async makeCallback (callbackUrl, method, headers, body, message) {
    try {
      const res = await request(callbackUrl, {
        method,
        headers,
        body
      })
      if (res.statusCode >= 200 && res.statusCode < 300) {
        return true
      } else {
        let body
        if (res.headers['content-type'].indexOf('application/json') === 0) {
          body = await res.body.json()
        } else if (res.headers['content-type'] === 'text/plain') {
          body = await res.body.text()
        } else {
          res.body.resume()
          // not interested in the errors
          res.body.on('error', () => {})
        }

        this.app.log.warn({ message, statusCode: res.statusCode, body }, 'callback unsuccessful, maybe retry')
        return false
      }
      /* c8 ignore next 4 */
    } catch (err) {
      this.app.log.warn({ err }, 'error processing callback')
      return false
    }
  }
}