a simple node wrapper for pdftoppm package.
npm install --save node-pdftoppm
const pdf2ppm = require('node-pdftoppm');
const path = require('path');
const filePath = path.join(__dirname, './sample/test.pdf');
pdf2ppm(filePath, './', 'hello', (error, data) => {
if (error) {
console.error('error', error);
} else {
console.log('result', data);
}
});