PageBaker

A powerful Node.js library for server-side HTML template rendering and PDF generation. Built with Puppeteer for PDF conversion and Mustache for templating.

Features

• Populate HTML templates with data using Mustache templating
• Convert HTML templates to high-quality PDF documents using Puppeteer
• Simple API for both in-memory PDF generation and file saving
• Flexible customization options for PDF output
• Uses .mustache extension for template files

Installation

npm install pagebaker

Methods

getHTML(templateName, data)

Renders an HTML template with the provided data.

• templateName: Name of the template file (without .mustache extension)
• data: Object containing data to populate the template
• Returns: HTML string

getPDFBuffer(templateName, data)

Generates a PDF from a template and returns it as a buffer.

• templateName: Name of the template file (without .mustache extension)
• data: Object containing data to populate the template
• Returns: Promise resolving to a PDF buffer

savePDF(templateName, data, outputPath)

Generates a PDF from a template and saves it to a file.

• templateName: Name of the template file (without .mustache extension)
• data: Object containing data to populate the template
• outputPath: File path where the PDF should be saved
• Returns: Promise that resolves when the file is saved

Usage

Basic Example

const PageBaker = require("pagebaker");

// Initialize with template directory
const baker = new PageBaker("./templates");

// Generate PDF from template and save to file
async function generateInvoice() {
  const data = {
    invoiceNumber: "INV-001",
    date: "2025-04-29",
    customer: {
      name: "Acme Corp",
      address: "123 Business Ave, Suite 100",
    },
    items: [
      { description: "Web Development", amount: 1200 },
      { description: "Hosting (Annual)", amount: 300 },
    ],
    total: 1500,
  };

  // Save to file
  await baker.savePDF("invoice", data, "invoice-001.pdf");
  console.log("PDF saved successfully!");
}

generateInvoice();

Getting HTML Output

const html = baker.getHTML("invoice", data);
console.log(html);

Getting PDF Buffer

async function getPDFBuffer() {
  const buffer = await baker.getPDFBuffer("invoice", data);
  // Use the buffer (e.g., send as API response)
}