example.js

const fs = require("fs");
const path = require("path");
const { html_to_pdf } = require(".");

try {
  (async () => {
    const dataBinding = {
      items: [
        {
          name: "item 1",
          price: 100,
        },
        {
          name: "item 2",
          price: 200,
        },
        {
          name: "item 3",
          price: 300,
        },
      ],
      total: 600,
      isWatermark: true,
    };

    const templateHtml = fs.readFileSync(
      path.join(process.cwd(), "invoice.html"),
      "utf8"
    );

    const options = {
      format: "A4",
      headerTemplate: "<p></p>",
      footerTemplate: "<p></p>",
      displayHeaderFooter: false,
      margin: {
        top: "40px",
        bottom: "100px",
      },
      printBackground: true,
      path: "invoice.pdf",
    };

    await html_to_pdf({ templateHtml, dataBinding, options });

    console.log("Done: invoice.pdf is created!");
  })();
} catch (err) {
  console.log("ERROR:", err);
}