Code-MCP

```typescript import nodemailer from "nodemailer"; // ============================================ // Configuration // ============================================ const transporter = nodemailer.createTransport({ host: process.env.SMTP_HOST || "smtp.example.com", port: parseInt(process.env.SMTP_PORT || "587"), secure: process.env.SMTP_SECURE === "true", // true for 465, false for other ports auth: { user: process.env.SMTP_USER, pass: process.env.SMTP_PASS, }, }); // ============================================ // Templates (Simple) // ============================================ const templates = { welcome: (name: string) => ({ subject: "Welcome to MyApp!", html: ` <h1>Welcome, ${name}!</h1> <p>We're excited to have you on board.</p> <p>Click <a href="${process.env.DOMAIN}/dashboard">here</a> to get started.</p> `, text: `Welcome, ${name}!\nWe're excited to have you on board.\nGo to ${process.env.DOMAIN}/dashboard to get started.`, }), resetPassword: (token: string) => ({ subject: "Reset your password", html: ` <h1>Reset Password</h1> <p>Click the link below to reset your password:</p> <p><a href="${process.env.DOMAIN}/reset-password?token=${token}">Reset Password</a></p> <p>If you didn't request this, please ignore this email.</p> `, text: `Reset Password\nClick the link: ${process.env.DOMAIN}/reset-password?token=${token}\nIf you didn't request this, ignore this email.`, }), }; // ============================================ // Service // ============================================ export const emailService = { async sendEmail(to: string, subject: string, html: string, text?: string) { try { const info = await transporter.sendMail({ from: `"${process.env.FROM_NAME}" <${process.env.FROM_EMAIL}>`, to, subject, html, text: text || html.replace(/<[^>]*>?/gm, ""), // fallback strip tags }); console.log(`Email sent: ${info.messageId}`); return { success: true, messageId: info.messageId }; } catch (error) { console.error("Error sending email:", error); throw error; } }, async sendWelcome(to: string, name: string) { const { subject, html, text } = templates.welcome(name); return this.sendEmail(to, subject, html, text); }, async sendPasswordReset(to: string, token: string) { const { subject, html, text } = templates.resetPassword(token); return this.sendEmail(to, subject, html, text); }, // Validates connection at startup async verifyConnection() { try { await transporter.verify(); console.log("✅ SMTP connection established"); return true; } catch (error) { console.error("❌ SMTP connection failed:", error); return false; } }, }; /* // For dev env (using Ethereal Email): if (process.env.NODE_ENV !== 'production') { nodemailer.createTestAccount().then((account) => { // ... update config using account.user/pass }); } */ ```