From 9c462a4dbcf09664821e74efa4a7f91f94cc8b2d Mon Sep 17 00:00:00 2001
From: Niloy Sikdar <niloysikdar30@gmail.com>
Date: Mon, 5 Sep 2022 23:54:20 +0530
Subject: [PATCH] feat(validateemail): add and export validateEmail function

Add validateEmail function which used mailtrap and nodemailer to send emails

Resolves #97

Signed-off-by: Niloy Sikdar <niloysikdar30@gmail.com>
---
 package.json                             |  2 +
 src/utils/index.ts                       |  2 +
 src/utils/validateEmail/index.ts         |  2 +
 src/utils/validateEmail/usingMailtrap.ts | 52 ++++++++++++++++++++++++
 src/utils/validateEmail/validateEmail.ts |  6 +++
 yarn.lock                                | 12 ++++++
 6 files changed, 76 insertions(+)
 create mode 100644 src/utils/validateEmail/index.ts
 create mode 100644 src/utils/validateEmail/usingMailtrap.ts
 create mode 100644 src/utils/validateEmail/validateEmail.ts

diff --git a/package.json b/package.json
index 2b01414..59564ea 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
     "@types/html-to-text": "^8.1.0",
     "@types/jest": "^28.1.3",
     "@types/node": "^18.0.0",
+    "@types/nodemailer": "^6.4.5",
     "@types/react": "^18.0.14",
     "@types/react-dom": "^18.0.5",
     "@typescript-eslint/eslint-plugin": "^5.28.0",
@@ -92,6 +93,7 @@
     "husky": "^8.0.0",
     "jest": "^28.1.1",
     "lint-staged": "^13.0.2",
+    "nodemailer": "^6.7.8",
     "prettier": "^2.7.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
diff --git a/src/utils/index.ts b/src/utils/index.ts
index a768d45..57b5c47 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -3,3 +3,5 @@ export { makeStyles } from './makeStyles';
 export { generateEmail } from './generateEmail';
 export { generateTextEmailFromHTML } from './generateTextEmailFromHTML';
 export { generateTextEmail } from './generateTextEmail';
+export { validateEmail } from './validateEmail';
+export type { MailtrapOptions } from './validateEmail';
diff --git a/src/utils/validateEmail/index.ts b/src/utils/validateEmail/index.ts
new file mode 100644
index 0000000..934d4b3
--- /dev/null
+++ b/src/utils/validateEmail/index.ts
@@ -0,0 +1,2 @@
+export { validateEmail } from './validateEmail';
+export type { MailtrapOptions } from './usingMailtrap';
diff --git a/src/utils/validateEmail/usingMailtrap.ts b/src/utils/validateEmail/usingMailtrap.ts
new file mode 100644
index 0000000..38d96ba
--- /dev/null
+++ b/src/utils/validateEmail/usingMailtrap.ts
@@ -0,0 +1,52 @@
+import nodemailer from 'nodemailer';
+
+interface Auth {
+  user: string;
+  pass: string;
+}
+
+export interface MailtrapOptions {
+  from: string;
+  to: string;
+  subject: string;
+  HTMLEmail: string;
+  textEmail?: string;
+  auth: Auth;
+}
+
+export async function validateEmailUsingMailtrap({
+  from,
+  to,
+  subject,
+  HTMLEmail,
+  textEmail,
+  auth,
+}: MailtrapOptions) {
+  const transporter = nodemailer.createTransport({
+    host: 'smtp.mailtrap.io',
+    port: 2525,
+    auth: {
+      user: auth.user,
+      pass: auth.pass,
+    },
+  });
+
+  let info, error;
+
+  try {
+    const res = await transporter.sendMail({
+      from: from,
+      to: to,
+      subject: subject,
+      text: textEmail,
+      html: HTMLEmail,
+    });
+
+    info = res;
+  } catch (err) {
+    console.log(err);
+    error = err;
+  }
+
+  return { info, error };
+}
diff --git a/src/utils/validateEmail/validateEmail.ts b/src/utils/validateEmail/validateEmail.ts
new file mode 100644
index 0000000..314b23d
--- /dev/null
+++ b/src/utils/validateEmail/validateEmail.ts
@@ -0,0 +1,6 @@
+import type { MailtrapOptions } from './usingMailtrap';
+import { validateEmailUsingMailtrap } from './usingMailtrap';
+
+export async function validateEmail(options: MailtrapOptions) {
+  return await validateEmailUsingMailtrap(options);
+}
diff --git a/yarn.lock b/yarn.lock
index 7811543..c24fab4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4508,6 +4508,13 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-16.11.41.tgz#88eb485b1bfdb4c224d878b7832239536aa2f813"
   integrity sha512-mqoYK2TnVjdkGk8qXAVGc/x9nSaTpSrFaGFm43BUH3IdoBV0nta6hYaGmdOvIMlbHJbUEVen3gvwpwovAZKNdQ==
 
+"@types/nodemailer@^6.4.5":
+  version "6.4.5"
+  resolved "https://registry.yarnpkg.com/@types/nodemailer/-/nodemailer-6.4.5.tgz#09011ac73259245475d1688e4ba101860567dc39"
+  integrity sha512-zuP3nBRQHI6M2PkXnGGy1Ww4VB+MyYHGgnfV2T+JR9KLkeWqPJuyVUgLpKXuFnA/b7pZaIDFh2sV4759B7jK1g==
+  dependencies:
+    "@types/node" "*"
+
 "@types/normalize-package-data@^2.4.0":
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/@types/normalize-package-data/-/normalize-package-data-2.4.1.tgz#d3357479a0fdfdd5907fe67e17e0a85c906e1301"
@@ -12148,6 +12155,11 @@ node-releases@^2.0.5:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-2.0.5.tgz#280ed5bc3eba0d96ce44897d8aee478bfb3d9666"
   integrity sha512-U9h1NLROZTq9uE1SNffn6WuPDg8icmi3ns4rEl/oTfIle4iLjTliCzgTsbaIFMq/Xn078/lfY/BL0GWZ+psK4Q==
 
+nodemailer@^6.7.8:
+  version "6.7.8"
+  resolved "https://registry.yarnpkg.com/nodemailer/-/nodemailer-6.7.8.tgz#9f1af9911314960c0b889079e1754e8d9e3f740a"
+  integrity sha512-2zaTFGqZixVmTxpJRCFC+Vk5eGRd/fYtvIR+dl5u9QXLTQWGIf48x/JXvo58g9sa0bU6To04XUv554Paykum3g==
+
 nopt@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-5.0.0.tgz#530942bb58a512fccafe53fe210f13a25355dc88"