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app.js

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const PDFDocument = require('pdfkit');

const faker = require('faker');

const getStream = require('get-stream');

exports.lambdaHandler = async (event) => {

const doc = new PDFDocument();

const randomName = faker.name.findName();

doc.text(randomName, { align: 'right' });

doc.text(faker.address.streetAddress(), { align: 'right' });

doc.text(faker.address.secondaryAddress(), { align: 'right' });

doc.text(faker.address.zipCode() + ' ' + faker.address.city(), { align: 'right' });

doc.moveDown();

doc.text('Dear ' + randomName + ',');

doc.moveDown();

for(let i = 0; i < 3; i++) {

doc.text(faker.lorem.paragraph());

doc.moveDown();

}

doc.text(faker.name.findName(), { align: 'right' });

doc.end();

pdfBuffer = await getStream.buffer(doc);

pdfBase64 = pdfBuffer.toString('base64');

const response = {

statusCode: 200,

headers: {

'Content-Length': Buffer.byteLength(pdfBase64),

'Content-Type': 'application/pdf',

'Content-disposition': 'attachment;filename=test.pdf'

},

isBase64Encoded: true,

body: pdfBase64

};

return response;

};