add resend email functionality

lib/mail.ts

@@ -0,0 +1,27 @@
+import { Resend } from 'resend';
+
+const resend = new Resend(process.env.RESEND_API_KEY);
+
+type SendMailOptions = {
+    subject: string;
+    html: string;
+    from: string;
+};
+
+export async function sendMail({ subject, html, from }: SendMailOptions) {
+    const to = process.env.DESTINATION_EMAIL;
+
+    if (!to) throw new Error('DESTINATION_EMAIL is not set');
+
+    const { data, error } = await resend.emails.send({
+        from: from,
+        to,
+        subject,
+        html,
+        replyTo: from,
+    });
+
+    if (error) throw error;
+
+    return data;
+}

package-lock.json

@@ -18,6 +18,7 @@
         "react": "19.2.4",
         "react-dom": "19.2.4",
         "react-icons": "^5.6.0",
+        "resend": "^6.12.4",
         "rss": "^1.2.2"
       },
       "devDependencies": {
@@ -1688,6 +1689,12 @@
       "integrity": "sha512-bXHSaW5jRTmke9Vd0h5P7BtWZG9Znqb8gSDxZnxaGSJnGwPLDPfS+3g0BKzeWqzgZPsIVZkM7m2tbo18cm5HBw==",
       "license": "MIT"
     },
+    "node_modules/@stablelib/base64": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@stablelib/base64/-/base64-1.0.1.tgz",
+      "integrity": "sha512-1bnPQqSxSuc3Ii6MhBysoWCg58j97aUjuCSZrGSmDxNqtytIi0k8utUenAwTZN4V5mXXYGsVUI9zeBqy+jBOSQ==",
+      "license": "MIT"
+    },
     "node_modules/@swc/core-darwin-arm64": {
       "version": "1.15.26",
       "resolved": "https://registry.npmjs.org/@swc/core-darwin-arm64/-/core-darwin-arm64-1.15.26.tgz",
@@ -5413,6 +5420,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/fast-sha256": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/fast-sha256/-/fast-sha256-1.3.0.tgz",
+      "integrity": "sha512-n11RGP/lrWEFI/bWdygLxhI+pVeo1ZYIVwvvPkW7azl/rOy+F3HYRZ2K5zeE9mmkhQppyv9sQFx0JM9UabnpPQ==",
+      "license": "Unlicense"
+    },
     "node_modules/fastq": {
       "version": "1.20.1",
       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.20.1.tgz",
@@ -8541,6 +8554,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/postal-mime": {
+      "version": "2.7.4",
+      "resolved": "https://registry.npmjs.org/postal-mime/-/postal-mime-2.7.4.tgz",
+      "integrity": "sha512-0WdnFQYUrPGGTFu1uOqD2s7omwua8xaeYGdO6rb88oD5yJ/4pPHDA4sdWqfD8wQVfCny563n/HQS7zTFft+f/g==",
+      "license": "MIT-0"
+    },
     "node_modules/postcss": {
       "version": "8.5.9",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.9.tgz",
@@ -8843,6 +8862,27 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/resend": {
+      "version": "6.12.4",
+      "resolved": "https://registry.npmjs.org/resend/-/resend-6.12.4.tgz",
+      "integrity": "sha512-lRpJ2Hxd+ht+JPDm97juRcUp9HOMuZyxaRFRFmc9Tx8iNWiei94Dx9v6SWufgKk2667C/uCeKKspMotOHSpCSg==",
+      "license": "MIT",
+      "dependencies": {
+        "postal-mime": "2.7.4",
+        "standardwebhooks": "1.0.0"
+      },
+      "engines": {
+        "node": ">=20"
+      },
+      "peerDependencies": {
+        "@react-email/render": "*"
+      },
+      "peerDependenciesMeta": {
+        "@react-email/render": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/resolve": {
       "version": "2.0.0-next.6",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-2.0.0-next.6.tgz",
@@ -9293,6 +9333,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/standardwebhooks": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/standardwebhooks/-/standardwebhooks-1.0.0.tgz",
+      "integrity": "sha512-BbHGOQK9olHPMvQNHWul6MYlrRTAOKn03rOe4A8O3CLWhNf4YHBqq2HJKKC+sfqpxiBY52pNeesD6jIiLDz8jg==",
+      "license": "MIT",
+      "dependencies": {
+        "@stablelib/base64": "^1.0.0",
+        "fast-sha256": "^1.3.0"
+      }
+    },
     "node_modules/stop-iteration-iterator": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/stop-iteration-iterator/-/stop-iteration-iterator-1.1.0.tgz",

package.json

@@ -19,6 +19,7 @@
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "react-icons": "^5.6.0",
+    "resend": "^6.12.4",
     "rss": "^1.2.2"
   },
   "devDependencies": {