Html2pdf-lambda NPM

html2pdf-lambda

Plugin for convert HTML page to PDF generation library for AWS Lambda

Note: This plugin will convert html string into PDF. This will work with Node.js and Lambda

Installation

npm install html2pdf-lambda

Usage

To convert HTML page to PDF using generatePdf method:

const pdf = require('html2pdf-lambda');

module.exports.handler = async (event) => {
  const options = { format: 'A4' };

  const html = "<h1>Welcome to html2pdf-lambda</h1>";

  const pdfBuffer = pdf.generatePdf(html, options)

  console.log("PDF Buffer: ", pdfBuffer);

  return {
      statusCode: 200,
      body: JSON.stringify({
        pdf: pdfBuffer,
      }),
    };
}

generatePdf ( html, options )

Parameters

html <string> HTML file content of the PDF.

options <Object> Options object should have the following properties:

args <Array<string>> Additional arguments to pass to the browser instance. The list of Chromium flags can be found here. This options will overwrite the default arguments.
path <string> The file path to save the PDF to. If path is a relative path, then it is resolved to current working directory. If no path is provided, the PDF won't be saved anywhere.
scale <number> Scale of the webpage rendering. Defaults to 1. Scale amount must be between 0.1 and 2.
displayHeaderFooter <boolean> Display header and footer. Defaults to false.
headerTemplate <string> HTML template to print the header. Should be valid HTML markup with following classes used to inject printing values into them:
- date formatted date
- title document title
- url document location
- pageNumber current page number
- totalPages total pages in the document
footerTemplate <string> HTML template to print the footer. Should use the same format as the headerTemplate.
printBackground <boolean> Print background graphics. Defaults to false.
landscape <boolean> Paper orientation. Defaults to false.
pageRanges <string> Paper ranges to print, e.g., '1-5, 8, 11-13'. Defaults to the empty string, which means print all pages.
format <string> Paper format. If set, takes priority over width or height options. Defaults to 'Letter'.
width <string|number> Paper width, accepts values labeled with units.
height <string|number> Paper height, accepts values labeled with units.
margin <Object> Paper margins, defaults to none.
- top <string|number> Top margin, accepts values labeled with units.
- right <string|number> Right margin, accepts values labeled with units.
- bottom <string|number> Bottom margin, accepts values labeled with units.
- left <string|number> Left margin, accepts values labeled with units.
preferCSSPageSize <boolean> Give any CSS @page size declared in the page priority over what is declared in width and height or format options. Defaults to false, which will scale the content to fit the paper size.