api.js

const express = require('express');
const bodyParser = require('body-parser');
const contentDisposition = require('content-disposition');
const cors = require('cors');
const render = require('./render');
const api = express();
api.use(bodyParser.json({limit: '10mb'}));
api.use(bodyParser.urlencoded({extended: false, limit: '10mb'}));
api.disable('x-powered-by');
api.use(cors());

api.post('/getpdf', async (req, res, next) => {
    const stream = await render(req);
    res.set({
        'Content-Type': 'application/pdf',
        'Content-Disposition': contentDisposition(stream.path),
        'Content-Size': stream.size
    });
    stream.pipe(res);
});

// Error page.
api.use(function (err, req, res, next) {
    console.error(err.stack);
    res.status(500).send('Something broke!')
});


// Terminate process
process.on('SIGINT', () => {
    process.exit(0);
});

module.exports = api;