mailship/script/render-preview.mjs

import {readFileSync, writeFileSync} from 'fs'
import {fileURLToPath} from 'url'
import {dirname, join} from 'path'
import Mustache from 'mustache'
import mjml2html from 'mjml'

const __dirname = dirname(fileURLToPath(import.meta.url))
const templatePath = join(__dirname, '..', 'src', 'emails', 'digest.mjml')

const sample = {
  name: 'alice',
  brandName: 'Flotilla',
  brandAccent: '#7161FF',
  brandLogo: 'https://app.flotilla.social/logo.png',
  UserName: 'Alice',
  Duration: '24 hours',
  Total: 12,
  TopProfiles: 'bob, carol',
  HasLatest: true,
  Latest: [
    {
      Link: 'https://app.flotilla.social/nevent1qqs...',
      Timestamp: 'Aug 25, 2026 at 9:00 AM',
      Icon: 'https://i.pravatar.cc/150?img=32',
      Name: 'carol',
      Content: '<p>Does anyone know how relay-based groups work?</p>',
      RelayUrl: 'relay.damus.io',
    },
    {
      Link: 'https://app.flotilla.social/spaces/nos.lol/community?at=1700000000',
      Timestamp: 'Aug 25, 2026 at 10:00 AM',
      Icon: 'https://i.pravatar.cc/150?img=68',
      Name: 'bob',
      Content:
        '<p>Excited to share our new community space on Flotilla! <a href="https://flotilla.social">Check it out</a>.</p>',
      RelayUrl: 'nos.lol',
    },
  ],
  unsubscribeUrl: 'https://app.flotilla.social/unsubscribe?token=abc123',
  settingsUrl: 'https://app.flotilla.social/settings/alerts',
}

const source = readFileSync(templatePath, 'utf8')
const {html} = mjml2html(Mustache.render(source, sample))
const outPath = join(__dirname, '..', 'digest-preview.html')

writeFileSync(outPath, html)
console.log(`Rendered preview written to ${outPath}`)