Implement modular email template system with preview and testing
- Create modular EmailTemplateRenderer with master shell and content separation - Build reusable email components library (buttons, alerts, OTP boxes, etc.) - Add EmailTemplatePreview component with master/content preview modes - Implement test email functionality for each notification template - Update NotifikasiTab to use new preview system with shortcode processing - Add dummy shortcode data for testing (nama, email, order_id, etc.) - Maintain design consistency between web and email 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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src/lib/email-templates/master-template.ts
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382
src/lib/email-templates/master-template.ts
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interface EmailTemplateData {
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subject: string;
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content: string;
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brandName?: string;
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brandLogo?: string;
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}
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export class EmailTemplateRenderer {
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private static readonly MASTER_TEMPLATE = `
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<!DOCTYPE html>
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<html lang="id">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{{subject}}</title>
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<style>
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/* =========================================
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1. CLIENT RESETS (The Boring Stuff)
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========================================= */
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body, table, td, a { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; }
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table, td { mso-table-lspace: 0pt; mso-table-rspace: 0pt; }
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img { -ms-interpolation-mode: bicubic; border: 0; height: auto; line-height: 100%; outline: none; text-decoration: none; }
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table { border-collapse: collapse !important; }
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body { height: 100% !important; margin: 0 !important; padding: 0 !important; width: 100% !important; background-color: #FFFFFF; }
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/* =========================================
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2. MASTER TYPOGRAPHY & VARS
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========================================= */
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:root {
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--color-black: #000000;
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--color-white: #FFFFFF;
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--color-gray: #F4F4F5;
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--color-success: #00A651;
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--color-danger: #E11D48;
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--border-thick: 2px solid #000000;
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--border-thin: 1px solid #000000;
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--shadow-hard: 4px 4px 0px 0px #000000;
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}
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body {
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font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
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color: #000000;
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-webkit-font-smoothing: antialiased;
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}
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/* =========================================
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3. DYNAMIC CONTENT POLISH
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========================================= */
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/* Headings */
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.email-content h1 {
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font-size: 28px;
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font-weight: 800;
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margin: 0 0 20px 0;
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letter-spacing: -1px;
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line-height: 1.1;
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}
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.email-content h2 {
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font-size: 20px;
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font-weight: 700;
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margin: 25px 0 15px 0;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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border-bottom: 2px solid #000;
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padding-bottom: 5px;
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display: inline-block;
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}
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.email-content h3 {
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font-size: 18px;
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font-weight: 700;
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margin: 20px 0 10px 0;
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color: #333;
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}
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.email-content p {
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font-size: 16px;
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line-height: 1.6;
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margin: 0 0 20px 0;
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color: #333;
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}
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/* Standard Links */
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.email-content a {
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color: #000000;
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text-decoration: underline;
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font-weight: 700;
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text-underline-offset: 3px;
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}
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/* Lists */
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.email-content ul, .email-content ol {
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margin: 0 0 20px 0;
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padding-left: 20px;
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}
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.email-content li {
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margin-bottom: 8px;
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font-size: 16px;
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padding-left: 5px;
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}
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/* TABLES (Brutalist Style) */
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.email-content table {
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width: 100%;
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border: 2px solid #000;
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margin-bottom: 25px;
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border-collapse: collapse;
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}
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.email-content th {
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background-color: #000;
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color: #FFF;
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padding: 12px;
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text-align: left;
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font-size: 14px;
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text-transform: uppercase;
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font-weight: 700;
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border: 1px solid #000;
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}
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.email-content td {
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padding: 12px;
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border: 1px solid #000;
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font-size: 15px;
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vertical-align: top;
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}
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/* Zebra Striping */
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.email-content tr:nth-child(even) td {
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background-color: #F8F8F8;
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}
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/* BUTTONS (Class: .btn) */
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.btn {
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display: inline-block;
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background-color: #000;
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color: #FFF !important;
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padding: 14px 28px;
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font-weight: 700;
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text-transform: uppercase;
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text-decoration: none !important;
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font-size: 16px;
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border: 2px solid #000;
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box-shadow: 4px 4px 0px 0px #000000; /* Hard Shadow */
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margin: 10px 0;
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transition: all 0.1s;
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}
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.btn:hover {
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transform: translate(2px, 2px);
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box-shadow: 2px 2px 0px 0px #000000;
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}
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.btn-full { width: 100%; text-align: center; box-sizing: border-box; }
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/* CODE BLOCKS */
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.email-content pre {
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background-color: #F4F4F5;
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border: 2px solid #000;
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padding: 15px;
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overflow-x: auto;
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margin-bottom: 20px;
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}
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.email-content code {
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font-family: 'Courier New', Courier, monospace;
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font-size: 14px;
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color: #E11D48;
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background-color: #F4F4F5;
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padding: 2px 4px;
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}
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/* Special OTP Style */
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.otp-box {
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background-color: #F4F4F5;
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border: 2px dashed #000;
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padding: 20px;
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text-align: center;
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margin: 20px 0;
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letter-spacing: 5px;
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font-family: 'Courier New', Courier, monospace;
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font-size: 32px;
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font-weight: 700;
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color: #000;
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}
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/* BLOCKQUOTES / ALERTS */
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.email-content blockquote {
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margin: 0 0 20px 0;
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padding: 15px 20px;
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border-left: 6px solid #000;
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background-color: #F9F9F9;
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font-style: italic;
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font-weight: 500;
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}
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/* Contextual Alerts */
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.alert-success { background-color: #E6F4EA; border-left-color: #00A651; color: #005A2B; }
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.alert-danger { background-color: #FFE4E6; border-left-color: #E11D48; color: #881337; }
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.alert-info { background-color: #E3F2FD; border-left-color: #1976D2; color: #0D47A1; }
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/* =========================================
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4. RESPONSIVE
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========================================= */
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@media screen and (max-width: 600px) {
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.email-container { width: 100% !important; border-left: 0 !important; border-right: 0 !important; }
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.content-padding { padding: 30px 20px !important; }
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.stack-mobile { display: block !important; width: 100% !important; }
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}
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</style>
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</head>
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<body style="margin: 0; padding: 0; background-color: #FFFFFF;">
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<!-- 100% WRAPPER -->
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<table border="0" cellpadding="0" cellspacing="0" width="100%" style="background-color: #FFFFFF;">
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<tr>
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<td align="center" style="padding: 40px 0;">
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<!-- MAIN CONTAINER (600px) -->
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<table border="0" cellpadding="0" cellspacing="0" width="600" class="email-container" style="background-color: #FFFFFF; border: 2px solid #000000; width: 600px; min-width: 320px;">
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<!-- HEADER -->
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<tr>
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<td align="left" style="background-color: #000000; padding: 25px 40px; border-bottom: 2px solid #000000;">
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr>
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<td align="left">
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<!-- LOGO (White text) -->
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<div style="font-family: 'Helvetica Neue', sans-serif; font-size: 24px; font-weight: 900; color: #FFFFFF; letter-spacing: -1px; text-transform: uppercase;">
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{{brandName}}
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</div>
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</td>
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<td align="right">
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<!-- Optional: Small Date or Tag -->
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<div style="font-family: monospace; font-size: 12px; color: #888;">
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NOTIF #{{timestamp}}
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</div>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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<!-- BODY CONTENT -->
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<tr>
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<td class="content-padding" style="padding: 40px 40px 60px 40px;">
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<!-- DYNAMIC CONTENT -->
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<div class="email-content">
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{{content}}
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</div>
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</td>
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</tr>
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<!-- FOOTER -->
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<tr>
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<td style="padding: 30px 40px; border-top: 2px solid #000000; background-color: #F4F4F5; color: #000;">
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<table border="0" cellpadding="0" cellspacing="0" width="100%">
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<tr>
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<td align="left" style="font-size: 12px; line-height: 18px; font-family: monospace; color: #555;">
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<p style="margin: 0 0 10px 0; font-weight: bold;">{{brandName}}</p>
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<p style="margin: 0 0 15px 0;">Email ini dikirim otomatis. Jangan membalas email ini.</p>
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<p style="margin: 0;">
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<a href="#" style="color: #000; text-decoration: underline;">Ubah Preferensi</a> |
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<a href="#" style="color: #000; text-decoration: underline;">Unsubscribe</a>
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</p>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<!-- END MAIN CONTAINER -->
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</td>
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</tr>
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</table>
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</body>
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</html>
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`;
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static render(data: EmailTemplateData): string {
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let html = this.MASTER_TEMPLATE;
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// Replace placeholders
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html = html.replace(/{{subject}}/g, data.subject || 'Notification');
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html = html.replace(/{{brandName}}/g, data.brandName || 'ACCESS HUB');
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html = html.replace(/{{brandLogo}}/g, data.brandLogo || '');
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html = html.replace(/{{timestamp}}/g, Date.now().toString().slice(-6));
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html = html.replace(/{{content}}/g, data.content);
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return html;
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}
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}
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// Reusable Email Components
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export const EmailComponents = {
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// Buttons
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button: (text: string, url: string, fullwidth = false) =>
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`<p style="margin-top: 20px; text-align: ${fullwidth ? 'center' : 'left'};">
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<a href="${url}" class="${fullwidth ? 'btn-full' : 'btn'}">${text}</a>
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</p>`,
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// Alert boxes
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alert: (type: 'success' | 'danger' | 'info', content: string) =>
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`<blockquote class="alert-${type}">
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${content}
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</blockquote>`,
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// Code blocks
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codeBlock: (code: string, language = '') =>
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`<pre><code>${code}</code></pre>`,
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// OTP boxes
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otpBox: (code: string) =>
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`<div class="otp-box">${code}</div>`,
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// Info card
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infoCard: (title: string, items: Array<{label: string; value: string}>) => {
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const rows = items.map(item =>
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`<tr>
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<td>${item.label}</td>
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<td>${item.value}</td>
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</tr>`
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).join('');
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return `
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<h2>${title}</h2>
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<table>
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<thead>
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<tr>
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<th>Parameter</th>
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<th>Value</th>
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</tr>
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</thead>
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<tbody>
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${rows}
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</tbody>
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</table>
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`;
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},
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// Divider
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divider: () => '<hr style="border: 1px solid #000; margin: 30px 0;">',
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// Spacing
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spacing: (size: 'small' | 'medium' | 'large' = 'medium') => {
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const sizes = { small: '15px', medium: '25px', large: '40px' };
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return `<div style="height: ${sizes[size]};"></div>`;
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}
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};
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// Shortcode processor
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export class ShortcodeProcessor {
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private static readonly DEFAULT_DATA = {
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nama: 'John Doe',
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email: 'john@example.com',
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order_id: 'ORD-123456',
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tanggal_pesanan: '22 Desember 2025',
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total: 'Rp 1.500.000',
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metode_pembayaran: 'Transfer Bank',
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produk: 'Product Name',
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link_akses: 'https://example.com/access',
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tanggal_konsultasi: '22 Desember 2025',
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jam_konsultasi: '14:00',
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link_meet: 'https://meet.google.com/example',
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judul_event: 'Workshop Digital Marketing',
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tanggal_event: '25 Desember 2025',
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jam_event: '19:00',
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link_event: 'https://event.example.com'
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};
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static process(content: string, customData: Record<string, string> = {}): string {
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const data = { ...this.DEFAULT_DATA, ...customData };
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let processed = content;
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for (const [key, value] of Object.entries(data)) {
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const regex = new RegExp(`\\{${key}\\}`, 'g');
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processed = processed.replace(regex, value);
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}
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return processed;
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}
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static getDummyData(): Record<string, string> {
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return this.DEFAULT_DATA;
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}
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}
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