webhook-action/src/main.ts

import * as core from '@actions/core'
import {http} from './http'

async function run() {
  const url = core.getInput('url')
    ? core.getInput('url')
    : process.env.WEBHOOK_URL
    ? process.env.WEBHOOK_URL
    : ''
  const headers = core.getInput('headers')
    ? core.getInput('headers')
    : process.env.headers
    ? process.env.headers
    : null
  const body = core.getInput('body')
    ? core.getInput('body')
    : process.env.data
    ? process.env.data
    : null
  const insecure = core.getInput('insecure')
    ? core.getInput('insecure') == 'true'
    : process.env.insecure
    ? process.env.insecure == 'true'
    : false

  if (!url) {
    // validate a url
    core.setFailed('A url is required to run this action.')
    // error
    throw new Error('A url is required to run this action.')
  }

  // initial info
  core.info(`Sending webhook request to ${url}`)

  // debug start
  core.debug(new Date().toTimeString()) // debug is only output if you set the secret `ACTIONS_RUNNER_DEBUG` to true

  // make the request
  http
    .make(url, headers, body, insecure)
    .then(res => {
      // if the status code is not 2xx
      if (res.status >= 400) {
        // throw an error
        error(res.status)
        return
      }

      // output the status
      core.setOutput('statusCode', res.status)
      // report on the status code
      core.info(`Received status code: ${res.status}`)
      // debug end
      core.info(new Date().toTimeString())
    })
    .catch(err => {
      error(err.status)
      return
    })
}

function error(statusCode) {
  // set the action to failed
  core.setFailed(`Received status code: ${statusCode}`)
  // throw an error
  throw new Error(`Request failed with status code: ${statusCode}`)
}

run()