![]() If getting json in the right format is a challenge, fabric.js can be your friend. Now we need to load some json data into the canvas then convert it to an SVG string. Then pipe it to a blob stream so changes are automatically captured as the PDF file is manipulated. Create a new js file with name invoice. Add a folder with name images in your project and any image with name companyLogo.png inside it. We will also use fs module, fs is an inbuilt module. This function gets an image from a web URL using the axios library and displays it in the PDF document. Create a new pdf document object using PDFKit and set some default values. To install PDKit and Nodemon in your project use npm command: npm install nodemon npm install pdfkit. "use strict"Ĭonst _REQUEST_UTIL = require("./RequestUtil") Let ig = new _INVOICE_GENERATOR(_kINVOICE_DATA) Ĭreate a class (InvoiceGenerator.js) for calling the PDFKit library to generate the PDF document. ItemDescription: "Best Run desktop computer", ItemDescription: "Best Run laptop computer", "use strict"Ĭonst _INVOICE_GENERATOR = require("./InvoiceGenerator") It is passed as an argument into InvoiceGenerator.js to generate the PDF document. The sample invoice data is defined as a JSON object. _REQUEST(requestPayload, function(err, response)Ĭreate the main function (GenInvoice.js) to provide the sample invoice data to be displayed in the generated PDF document. Return new Promise(function(resolve, reject) In the sample code of this article, the doRequest function is called to get the content of an image file from a web URL. The doRequest function returns a Promise object which eventually will return a resolved state or a rejected state. npm initĬreate a Node module (RequestUtil.js) to handle requests. The sample code shown in this article is partly based on another article Generating a PDF in Nodejs ( ).įrom the command line or terminal, add the dependency libraries after project initialization. However, for demonstration purpose, this article shows how these two libraries can be used to load an image from a web URL and display it in the PDF document. During implementation, you only need either Request or axios for requests/responses. Other libraries used in this example are Request ( ) and axios ( ). The documentation can be found at the website ( ). The JavaScript PDF document generation library for Node.js used in this example is PDFKit ( ). There are also backend systems such as Enterprise Resource Planning (ERP), Supply Chain Management, Blockchain network etc. A business application in BTP typically includes a user interface, microservices that contain business logic, and technical operations. SAP Business Technology Platform (BTP) provides a fast and easy way to create, run, manage, and scale business applications in the cloud. This blog post shows examples of how to generate a PDF document in business applications using Node.js. ![]() Often enough, a business application needs to generate PDF documents based on business data and images (such as receipts, certificates, etc.). write pdf to some file in the current directory doc. Portable Document Format (PDF) is one of the most common document formats used for electronic documents in businesses due to its nature of being read-only, having rich formatting styles, and being compact in size, etc. Best JavaScript code snippets using pdfkit (Showing top 4 results out of 315).
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