OpenAPI Typescript Codegen

NodeJS library that generates Typescript or Javascript clients based on the OpenAPI specification.

Why?

• Frontend ❤️ OpenAPI, but we do not want to use JAVA codegen in our builds.
• Quick, lightweight, robust and framework agnostic.
• Supports generation of Typescript and Javascript clients.
• Supports generations of fetch and XHR http clients.
• Supports OpenAPI specification v2.0 and v3.0.
• Supports JSON and YAML files for input.

Known issues:

• If you use enums inside your models / definitions then those enums are now inside a namespace with the same name as your model. This is called declaration merging. However Babel 7 now support compiling of Typescript and right now they do not support namespaces.

Installation

npm install openapi-typescript-codegen --save-dev

Example

package.json

{
    "scripts": {
        "generate": "openapi ./api/openapi.json ./dist"
    }
    ...
}

Command line

npm install openapi-typescript-codegen -g

openapi ./api/openapi.json ./dist

NodeJS API:

const OpenAPI = require('openapi-typescript-codegen');

const result = OpenAPI.generate(
    './api/openapi.json',
    './dist'
);

console.log(result);