export const templates = {
invoice: {
name: "Invoice",
description: "Professional invoice with line items, taxes, and payment details",
fields: [
{ name: "invoiceNumber", type: "string", required: true, description: "Invoice number" },
{ name: "date", type: "string", required: true, description: "Invoice date (YYYY-MM-DD)" },
{ name: "dueDate", type: "string", required: false, description: "Due date" },
{ name: "from", type: "object", required: true, description: "Sender: {name, address?, email?, phone?, vatId?}" },
{ name: "to", type: "object", required: true, description: "Recipient: {name, address?, email?, vatId?}" },
{ name: "items", type: "array", required: true, description: "Line items: [{description, quantity, unitPrice, taxRate?}]" },
{ name: "currency", type: "string", required: false, description: "Currency symbol (default: €)" },
{ name: "notes", type: "string", required: false, description: "Additional notes" },
{ name: "paymentDetails", type: "string", required: false, description: "Bank/payment info" },
],
render: renderInvoice,
},
receipt: {
name: "Receipt",
description: "Simple receipt for payments received",
fields: [
{ name: "receiptNumber", type: "string", required: true, description: "Receipt number" },
{ name: "date", type: "string", required: true, description: "Date" },
{ name: "from", type: "object", required: true, description: "Business: {name, address?}" },
{ name: "to", type: "object", required: false, description: "Customer: {name, email?}" },
{ name: "items", type: "array", required: true, description: "Items: [{description, amount}]" },
{ name: "currency", type: "string", required: false, description: "Currency symbol" },
{ name: "paymentMethod", type: "string", required: false, description: "Payment method" },
],
render: renderReceipt,
},
};
function esc(s) {
return String(s || "")
.replace(/&/g, "&")
.replace(//g, ">")
.replace(/"/g, """)
.replace(/'/g, "'");
}
function renderInvoice(d) {
const cur = esc(d.currency || "€");
const items = d.items || [];
let subtotal = 0;
let totalTax = 0;
const rows = items
.map((item) => {
const qty = Number(item.quantity) || 1;
const price = Number(item.unitPrice) || 0;
const taxRate = Number(item.taxRate) || 0;
const lineTotal = qty * price;
const lineTax = lineTotal * (taxRate / 100);
subtotal += lineTotal;
totalTax += lineTax;
return `
| ${esc(item.description)} |
${qty} |
${cur}${price.toFixed(2)} |
${taxRate}% |
${cur}${lineTotal.toFixed(2)} |
`;
})
.join("");
const total = subtotal + totalTax;
const from = d.from || {};
const to = d.to || {};
return `
From
${esc(from.name)}
${from.address ? `
${esc(from.address).replace(/\n/g, "
")}
` : ""}
${from.email ? `
${esc(from.email)}
` : ""}
${from.vatId ? `
VAT: ${esc(from.vatId)}
` : ""}
To
${esc(to.name)}
${to.address ? `
${esc(to.address).replace(/\n/g, "
")}
` : ""}
${to.email ? `
${esc(to.email)}
` : ""}
${to.vatId ? `
VAT: ${esc(to.vatId)}
` : ""}
| Description | Qty | Price | Tax | Total |
|---|
${rows}
Subtotal: ${cur}${subtotal.toFixed(2)}
Tax: ${cur}${totalTax.toFixed(2)}
Total: ${cur}${total.toFixed(2)}
${d.paymentDetails ? `` : ""}
${d.notes ? `` : ""}
`;
}
function renderReceipt(d) {
const cur = esc(d.currency || "€");
const items = d.items || [];
let total = 0;
const rows = items
.map((item) => {
const amount = Number(item.amount) || 0;
total += amount;
return `| ${esc(item.description)} | ${cur}${amount.toFixed(2)} |
`;
})
.join("");
const from = d.from || {};
const to = d.to || {};
return `
${esc(from.name)}
${from.address ? `${esc(from.address)}
` : ""}
Receipt #${esc(d.receiptNumber)}
Date: ${esc(d.date)}
${to?.name ? `Customer: ${esc(to.name)}
` : ""}
| TOTAL | ${cur}${total.toFixed(2)} |
${d.paymentMethod ? `
Paid via: ${esc(d.paymentMethod)}
` : ""}
Thank you!
`;
}
export function renderTemplate(id, data) {
const template = templates[id];
if (!template)
throw new Error(`Template '${id}' not found`);
return template.render(data);
}