Add email worker and use it to send email from pages function

.gitea/workflows/release.yaml

@@ -16,6 +16,8 @@ jobs:
         with:
           lfs: true
       - uses: actions/setup-node@v4
+        with:
+          node-version: 20
 
       - name: Install pico
         run: npm ci
@@ -30,6 +32,13 @@ jobs:
           accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
           command: pages deploy build --project-name=resume
 
+      - name: Publish Email Worker
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          workingDirectory: contact-email-worker
+
       - uses: actions/upload-artifact@v3
         with:
           name: Website

.gitignore

@@ -1,4 +1,4 @@
-/node_modules
+node_modules
 .DS_Store
 .vscode
 build

contact-email-worker/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "royal-leaf-c03c",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "deploy": "wrangler deploy",
+    "dev": "wrangler dev",
+    "start": "wrangler dev",
+    "cf-typegen": "wrangler types"
+  },
+  "devDependencies": {
+    "@cloudflare/vitest-pool-workers": "^0.6.4",
+    "@cloudflare/workers-types": "^4.20250129.0",
+    "typescript": "^5.5.2",
+    "wrangler": "^3.107.2"
+  }
+}

contact-email-worker/src/index.ts

@@ -0,0 +1,18 @@
+import { EmailMessage } from "cloudflare:email";
+import { WorkerEntrypoint } from "cloudflare:workers";
+
+export default class SendEmailWorker extends WorkerEntrypoint<Env> {
+  async sendEmail(rawMessage: string): Promise<Response> {
+    try {
+      const cfMessage = new EmailMessage(
+        "contact@michaelpivato.dev",
+        "contact@michaelpivato.dev",
+        rawMessage
+      );
+      await this.env.SEB.send(cfMessage);
+    } catch (e) {
+      return new Response((e as Error).message);
+    }
+    return new Response();
+  }
+}

contact-email-worker/tsconfig.json

@@ -0,0 +1,46 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		"target": "es2021",
+		/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		"lib": ["es2021"],
+		/* Specify what JSX code is generated. */
+		"jsx": "react-jsx",
+
+		/* Specify what module code is generated. */
+		"module": "es2022",
+		/* Specify how TypeScript looks up a file from a given module specifier. */
+		"moduleResolution": "Bundler",
+		/* Specify type package names to be included without being referenced in a source file. */
+		"types": [
+			"@cloudflare/workers-types/2023-07-01"
+		],
+		/* Enable importing .json files */
+		"resolveJsonModule": true,
+
+		/* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"allowJs": true,
+		/* Enable error reporting in type-checked JavaScript files. */
+		"checkJs": false,
+
+		/* Disable emitting files from a compilation. */
+		"noEmit": true,
+
+		/* Ensure that each file can be safely transpiled without relying on other imports. */
+		"isolatedModules": true,
+		/* Allow 'import x from y' when a module doesn't have a default export. */
+		"allowSyntheticDefaultImports": true,
+		/* Ensure that casing is correct in imports. */
+		"forceConsistentCasingInFileNames": true,
+
+		/* Enable all strict type-checking options. */
+		"strict": true,
+
+		/* Skip type checking all .d.ts files. */
+		"skipLibCheck": true
+	},
+	"exclude": ["test"],
+	"include": ["worker-configuration.d.ts", "src/**/*.ts"]
+}

contact-email-worker/worker-configuration.d.ts

@@ -0,0 +1,5 @@
+// Generated by Wrangler
+// After adding bindings to `wrangler.json`, regenerate this interface via `npm run cf-typegen`
+interface Env {
+  SEB: SendEmail;
+}

contact-email-worker/wrangler.json

@@ -0,0 +1,13 @@
+{
+  "$schema": "node_modules/wrangler/config-schema.json",
+  "name": "contact-email",
+  "main": "src/index.ts",
+  "compatibility_date": "2025-01-29",
+  "observability": {
+    "enabled": true
+  },
+  "send_email": [
+    { "name": "SEB", "destination_address": "contact@michaelpivato.dev" }
+  ],
+  "workers_dev": false
+}

functions/contact.ts

@@ -1,9 +1,16 @@
 import staticFormsPlugin from "@cloudflare/pages-plugin-static-forms";
-import { EmailMessage } from "cloudflare:email";
+
+interface SendEmailWorker {
+  sendEmail(rawMessage: string): Promise<Response>;
+}
+
+interface Env {
+  SERVICE: SendEmailWorker;
+}
 
 const formatEmptyString = (s: string) => s ?? "Not Specified";
 
-export const onRequest: PagesFunction = (context) => {
+export const onRequest: PagesFunction<Env> = (context) => {
   // Wrap static forms plugin so we can extract the env to use email routing
   return staticFormsPlugin({
     respondWith: async ({ formData }) => {
@@ -15,38 +22,25 @@ export const onRequest: PagesFunction = (context) => {
 
       // Must have some kind of identifiable information for me to actually care about them.
       if ((fullName || email) && message) {
-        const rawEmailMessage = `----
-From: Michael Pivato Contact Form <contact@michaelpivato.dev>
-To: Michael Pivato <contact@michaelpivato.dev
-Subject: Message from ${fullName ?? email}
-
-You've received a new message from ${fullName ?? email}.
-Full Name: ${formatEmptyString(fullName)}
-Organisation: ${formatEmptyString(organisation)}
-Email: ${formatEmptyString(email)}
-Mobile: ${formatEmptyString(mobile)}
-    
-Message:
-${message}
-----`;
-
-        const cfMessage = new EmailMessage(
-          "contact@michaelpivato.dev",
-          "contact@michaelpivato.dev",
-          rawEmailMessage
-        );
-
         try {
-          await (context.env as any).SEB.send(cfMessage);
+          const rawEmailMessage = `----
+          From: Michael Pivato Contact Form <contact@michaelpivato.dev>
+          To: Michael Pivato <contact@michaelpivato.dev
+          Subject: Message from ${fullName ?? email}
+          
+          You've received a new message from ${fullName ?? email}.
+          Full Name: ${formatEmptyString(fullName)}
+          Organisation: ${formatEmptyString(organisation)}
+          Email: ${formatEmptyString(email)}
+          Mobile: ${formatEmptyString(mobile)}
+              
+          Message:
+          ${message}
+          ----`;
+          await context.env.SERVICE.sendEmail(rawEmailMessage);
         } catch (e) {
-          return new Response(e.message);
+          return new Response(e);
         }
-
-        console.log("Full Name: " + fullName ?? "fullname");
-        console.log("Organisation: " + organisation);
-        console.log("Email: " + email ?? "email");
-        console.log("Mobile: " + mobile ?? "mobile");
-        console.log("Message: " + message);
       }
 
       return Response.redirect("https://michaelpivato.dev");

wrangler.json

@@ -0,0 +1,6 @@
+{
+  "$schema": "node_modules/wrangler/config-schema.json",
+  "name": "resume",
+  "compatibility_date": "2025-01-29",
+  "services": [{ "binding": "SERVICE", "service": "contact-email" }]
+}

wrangler.toml

@@ -1,6 +0,0 @@
-send_email = [
-    {name = "SEB", destination_address = "contact@michaelpivato.dev"},
-]
-
-compatibility_flags = [ "nodejs_compat" ]
-compatibility_date = "2024-09-23"