A step-by-step guide on leveraging swagger-autogen in TypeScript applications

Is it possible to integrate the swagger-autogen module into a Typescript project? I have attempted multiple methods, but have been unsuccessful. The error message "Failed" keeps appearing when using a swagger.js file:

const swaggerAutogen = require("swagger-autogen")();
const options = {...}

const outputFile = './docs/swagger-output.json';
const endpointsFiles = ['./app.ts'];

swaggerAutogen(outputFile, endpointsFiles, options);

I even tried placing the file in the dist directory, but encountered the same issue. Apologies if this is a simple question or if I am overlooking a crucial detail.

Answer №1

After experimenting, I discovered that using path.join to wrap the endpoint file was the key to success! Remember to build the project first and then execute the swagger.js file located in the build/dist folder.

import path from 'path';
import swaggerAutogen from 'swagger-autogen';

const doc = {...} // update doc
const outputFile = './swagger-output.json';
const endpointsFiles = [path.join(__dirname, 'routes/routes.js')];
swaggerAutogen()(outputFile, endpointsFiles, doc);

Answer №2

If you're looking to enhance your routing file, consider specifying it in the endpointsFiles variable - whether it's named router.ts or router/index.ts. Keep in mind that swagger-autogen relies on static analysis of files, so dynamically generated route properties may not be accurately interpreted.

Keep up with updates on the library to ensure bug fixes related to TypeScript are included.

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