tea-school

Tea-School

Simplified HTML + CSS --> PDF Generator for Nodejs
Basically just a method combining PugJS, Node-Sass, and Puppeteer.

Read More

Read more about the package in my medium post

Install

Using npm

> npm install tea-school

Using yarn

> yarn add tea-school

What Do We Have Here?

The library doesn't really do anything special.
It just combines 3 libraries for:

• Generating HTML in run-time (PugJS)
• Generating CSS (Using Sass) in run-time (Node-Sass)
• Generating a PDF from HTML (Puppeteer)

Usage

We will generate the following PDF:

For further inspection look at the examples folder

*The example will be in TypeScript, but can work in JavaScript in a matter of removing just a few words.

import {GeneratePdfOptions, generatePdf} from 'tea-school';
import * as path from 'path';

const options: GeneratePdfOptions = {
    htmlTemplatePath: path.resolve(__dirname, 'pdf-template.pug'),

    // Here you put an object according to https://github.com/sass/node-sass#options 
    styleOptions: {
        file: path.resolve(__dirname, 'pdf-template.scss')
    },

    // Here you put an object according to https://pugjs.org/api/reference.html#options
    // You can add any additional key to be used as a variable in the template.
    htmlTemplateOptions: {
        contextRelatedVar: 'Timothy'
    },

    // Here you put an object according to https://github.com/GoogleChrome/puppeteer/blob/v1.18.1/docs/api.md#pagepdfoptions
    pdfOptions: {
        // Ignore `path` to get the PDF as buffer only
        path: 'pdf-file.pdf',
        format: 'A4',
        printBackground: true
    }
}

(async () => {
    const pdfBuffer: Buffer = await generatePdf(options);
})();

template.pug

// Use !{var} to use unescaped conent
style(type="text/css") !{compiledStyle}

div#banner-message
    p Hello, #{name}
    button My god, this is amazing

template.scss

$blue: #0084ff;
$blue-darker: darken($blue, 5);

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#banner-message {
  background: #e0e0e0;
  border-radius: 4px;
  padding: 20px;
  font-size: 25px;
  text-align: center;
  transition: all 0.2s;
  margin: 0 auto;
  width: 300px;

  button {
    background: $blue-darker;
    border: none;
    border-radius: 5px;
    padding: 8px 14px;
    font-size: 15px;
    color: #fff;
  }
}

Running the examples in the package

> npm run example

// OR

> npm run example:invoice

The examples run using ts-node to run without compiling the tests to JavaScript first.

Important

The key compiledStyle is reserved on the Pug options for the compiled style to be attached to the html.
Please do not use this key (or use at your own risk)