In this article, we will learn about how to implement swagger in Node JS using the library
Step 1: In your project structure first create a swagger folder
Step 2: The next step is required an API JSON file, this file we will export from the postman,
open your Postman you can see your API folder right site three dot click on it then after open menu and click on Export option
Now you got API JSON file
Step 3: This API JSON file we have to convert into a swagger file
first, click on this URL https://www.apimatic.io/transformer/
create your account and log in and you can see the below pic dashboard
click on the Transform API option, and you can see one popup model select your postman API JSON file and select the export format mentioned in below pic then click on the convert button
Step 4: Finally we got a file, this file copy into our swagger folder
Step 5: Install the swagger npm package
npm i swagger-ui-express
Step 6: Write the below code on your index/app/main file
const swaggerJson = require('./swagger/swagger.json')
const swaggerUi = require('swagger-ui-express')
app.use('/api-docs',swaggerUi.serve,swaggerUi.setup(swaggerJson))
Step 7: Run your project, then open your browser and run this URL localhost:7600/api-docs this URL in write your server name and PORT number
If you have any query about this article ask me
You can check my other node js article
Node JS FS module: https://www.thecodehubs.com/node-js-url-module
Express validator: https://www.thecodehubs.com/express-validator-in-node-js
