Added shared mailer package to remove circular dependencies between packages. (#63)

packages/mailers/core/README.md

@@ -0,0 +1,3 @@
+# Nodemailer - @kit/nodemailer
+
+This package provides a simple and easy to use mailer for sending emails using nodemailer.

packages/mailers/core/package.json

@@ -0,0 +1,39 @@
+{
+  "name": "@kit/mailers",
+  "private": true,
+  "version": "0.1.0",
+  "scripts": {
+    "clean": "git clean -xdf .turbo node_modules",
+    "format": "prettier --check \"**/*.{ts,tsx}\"",
+    "lint": "eslint .",
+    "typecheck": "tsc --noEmit"
+  },
+  "prettier": "@kit/prettier-config",
+  "exports": {
+    ".": "./src/index.ts"
+  },
+  "devDependencies": {
+    "@kit/eslint-config": "workspace:*",
+    "@kit/nodemailer": "workspace:^",
+    "@kit/prettier-config": "workspace:*",
+    "@kit/resend": "workspace:^",
+    "@kit/tailwind-config": "workspace:*",
+    "@kit/tsconfig": "workspace:*",
+    "@types/node": "^22.5.2",
+    "zod": "^3.23.8"
+  },
+  "eslintConfig": {
+    "root": true,
+    "extends": [
+      "@kit/eslint-config/base",
+      "@kit/eslint-config/react"
+    ]
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "src/*"
+      ]
+    }
+  }
+}

packages/mailers/core/src/index.ts

@@ -0,0 +1,37 @@
+import { z } from 'zod';
+
+const MAILER_PROVIDER = z
+  .enum(['nodemailer', 'resend'])
+  .default('nodemailer')
+  .parse(process.env.MAILER_PROVIDER);
+
+/**
+ * @description Get the mailer based on the environment variable.
+ */
+export async function getMailer() {
+  switch (MAILER_PROVIDER) {
+    case 'nodemailer':
+      return getNodemailer();
+
+    case 'resend': {
+      const { createResendMailer } = await import('@kit/resend');
+
+      return createResendMailer();
+    }
+
+    default:
+      throw new Error(`Invalid mailer: ${MAILER_PROVIDER as string}`);
+  }
+}
+
+async function getNodemailer() {
+  if (process.env.NEXT_RUNTIME === 'nodejs') {
+    const { createNodemailerService } = await import('@kit/nodemailer');
+
+    return createNodemailerService();
+  } else {
+    throw new Error(
+      'Nodemailer is not available on the edge runtime. Please use another mailer.',
+    );
+  }
+}

packages/mailers/core/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "extends": "@kit/tsconfig/base.json",
+  "compilerOptions": {
+    "tsBuildInfoFile": "node_modules/.cache/tsbuildinfo.json"
+  },
+  "include": ["*.ts", "src"],
+  "exclude": ["node_modules"]
+}