Create nodemail configuration

lib/sendmail.js

@@ -0,0 +1,51 @@
+const nodemailer = require('nodemailer')
+const pick = require('lodash.pick')
+
+function createTransport() {
+  if (!process.env.SMTP_HOST && process.env.NODE_ENV === 'production') {
+    throw new Error('SMTP_HOST must be provided in production mode')
+  }
+
+  if (process.env.SMTP_HOST) {
+    return nodemailer.createTransport({
+      host: process.env.SMTP_HOST,
+      port: process.env.SMTP_PORT || 587,
+      secure: process.env.SMTP_SECURE === 'YES',
+      auth: {
+        user: process.env.SMTP_USERNAME,
+        pass: process.env.SMTP_PASSWORD
+      }
+    })
+  }
+
+  return nodemailer.createTransport({
+    streamTransport: true,
+    newline: 'unix',
+    buffer: true
+  })
+}
+
+const transport = createTransport()
+
+async function sendMail(email, recipients = []) {
+  if (recipients.length === 0) {
+    throw new Error('At least one recipient must be provided')
+  }
+
+  const info = await transport.sendMail({
+    ...pick(email, 'text', 'html', 'subject'),
+    from: process.env.SMTP_FROM,
+    to: recipients,
+    bcc: process.env.SMTP_BCC ? process.env.SMTP_BCC.split(',') : undefined
+  })
+
+  if (process.env.SHOW_EMAILS === 'YES' && transport.transporter.options.streamTransport) {
+    console.log('-----------------------')
+    console.log(info.message.toString())
+    console.log('-----------------------')
+  }
+
+  return info
+}
+
+module.exports = {sendMail, createTransport, transport}