discordWebhookNotifier.js

discordWebhookNotifier.js

const https = require('https')

async function main() {
  const embeds = [
    {
      title: 'Test Title',
      description: 'This is a test description.',
      color: 16776960,
      fields: [
        {
          name: 'Test Field Name: Color',
          value: 'Test Field Value: Yellow',
        }
      ],
    },
  ]
  const username = 'discord-webhook-test-notifier'
  const retryDelayMs = 5000
  console.log('Sending to Discord...')
  sendNotification(embeds, username, retryDelayMs)
}

/**
 * Sends notification to a Discord channel
 * @param embeds {object}
 * @param username {string}
 * @param retryDelayMs {number} Optional. Amount of time to delay before a retry. -1 means do not retry and is the default.
 */
function sendNotification(embeds, username, retryDelayMs = -1) {
  const url = process.env.DISCORD_WEBHOOK_URL

  const options = {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    }
  }

  const data = { embeds, username }

  const req = https.request(url, options, (res) => {
    console.log(`Notification request status code: ${res.statusCode}`)
    if (res.statusCode == 502 && retryDelayMs > -1) {
      console.log(`Retrying after ${retryDelayMs} milliseconds...`)
      setTimeout(() => {
        sendNotification(embeds, username)
      }, retryDelayMs)
    } else {
      console.log('Not retrying')
    }
  })
  req.on('error', console.error)
  req.write(JSON.stringify(data))
  req.end()
}

main().then(() => {
  console.log('Main function finished running.')
}).catch((err) => {
  console.error('Exiting. Caught error:', err)
  process.exit(1)
})