Added functionality to Emailer to create nodemailer transport in preparation for email sending

lib/Emailer.js

@@ -1,5 +1,9 @@
 'use strict';
 
+// Import required modules
+const nodemailer = require('nodemailer');
+
+// Import user defined modules
 const importJSON = require('./importJSON');
 
 /**
@@ -198,6 +202,12 @@ class Emailer {
 	 */
 	#secure = true;
 
+	/**
+	 * Represents the nodemailer transporter object
+	 * @type {Object}
+	 */
+	#transporter;
+
 	/**
 	 * @param {Object} [connectionOpts] - The SMTP connection details
 	 * @param {string} connectionOpts.host - The host address of the server
@@ -221,6 +231,9 @@ class Emailer {
 	 * @return {boolean}
 	 */
 	async sendEmail(email) {
+		if (typeof this.#transporter === 'undefined')
+			await this.getTransporter();
+
 		console.log(`Sending`);
 		console.log(email);
 		console.log(this.#host,
@@ -229,6 +242,37 @@ class Emailer {
 			this.#secure);
 	}
 
+	/**
+	 * getTransportOptions() Builds the options object for nodemailer
+	 *
+	 * @return {Object}
+	 */
+	getTransportOptions() {
+		return {
+			host: this.#host,
+			secure: this.#secure,
+			auth: {
+				user: this.#user,
+				pass: this.#password
+			}
+		};
+	}
+
+	/**
+	 * getTransporter() Gets a nodemailer transporter with current options
+	 */
+	async getTransporter() {
+		this.#transporter =
+			nodemailer.createTransport(this.getTransportOptions());
+
+		try {
+			await this.#transporter.verify();
+		} catch (e) {
+			console.error(e);
+			throw new Error('Unable to connect');
+		}
+	}
+
 	/**
 	 * Sets if the SMTP connection should be encrypted or not
 	 * @param {boolean} val - The new value
@@ -238,6 +282,7 @@ class Emailer {
 			throw new Error('Secure must be type boolean');
 
 		this.#secure = val;
+		this.#transporter = this.getTransporter();
 	}
 }