The login endpoint will allow the application to authenticate valid requests while the convert endpoint will convert (obviously) Markdown to HTML.īelow is the base API code to call the two endpoints. The primary purpose of our API will be to convert text in a Markdown syntax to HTML. If everything is in order, we will see a Hello World!’ greeting in the browser and we can proceed to build a base API to convert Markdown to HTML. Now browse to the URL to check whether the test file is working properly. Now install Express in the markdown-api directory and save it in the dependencies list: $ npm install express -saveĬreate an index.js file in the current directory ( markdown-api) and add the following code to test if the Express framework is properly installed: Const express = require('express') I’ve used the default entry point file as index.js, but you could try app.js or some other depending on your preferences. This command prompts you for a number of things like the name and version of your application.įor now, simply hit Enter to accept the defaults for most of them. ![]() Use the npm init command to create a package.json file for your application. So let us start with the initial stage of building the application by creating a scaffold.Īssuming you’ve already installed Node.js on your system, create a directory to hold your application (let’s call it “ markdown-api”), and switch to that directory: $ mkdir markdown-api We will build the application in small stages - initially creating a scaffold using Express and then adding various features like authentication as we go along. The application will be created using the Node.js Express framework, and support authentication for conversion requests. Our teeny-tiny application, which we will call ‘Markdown Converter’, will enable us to post Markdown-styled text and retrieve an HTML version. We will also be adding an authentication mechanism to the API so as to prevent misuse of our application. The context in which we will be learning this is by building an application that converts Markdown syntax to HTML. The purpose of writing the article is to show you how to use Node.js and the Express framework to create an API endpoint. ![]() Currently, with WordPress supporting Markdown, the format has become even more widely used. The original goal of creating Markdown was of enabling people “to write using an easy-to-read and easy-to-write plain text format” and to optionally convert it to structurally valid XHTML (or HTML). ![]() Markdown is a lightweight text markup language that allows the marked text to be converted to various formats. Learn how to use Node.js and the Express framework in order to create an API endpoint - in the context of building an application that converts Markdown syntax to HTML.
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