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swagger-node-codegen

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An OpenAPI 3.x/Swagger 2 code generator for Node.js

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<h1>THIS PACKAGE IS NOT MAINTAINED ANYMORE. IF YOU WANT TO MAINTAIN IT DROP ME A LINE AT fran.mendez[at]hey.com.</h1>

<img src="logo.png">

 OpenAPI Node.js Code Generator

 
Use your API OpenAPI 3.x/Swagger 2 definition to generate Node.js ES7-compliant code for your API.

The generated code features:

* ES7
* ESLint
* YAML config file
* Express
* No transpiling

## Install

To use it from the CLI:

```bash
npm install -g swagger-node-codegen
```

To use it as a module in your project:

```bash
npm install --save swagger-node-codegen
```

## Requirements

* Node.js v7.6+

## Usage

### From the command-line interface (CLI)

```bash
 Usage: snc [options] <swaggerFile>

Options:

-V, --version output the version number
 -o, --output <outputDir> directory where to put the generated files (defaults to current directory)
 -t, --templates <templateDir> directory where templates are located (defaults to internal nodejs templates)
 -h, --help output usage information
```

#### Examples

The shortest possible syntax:
```bash
snc swagger.yaml
```

Specify where to put the generated code:
```bash
snc swagger.yaml -o ./my-api
```

### As a module in your project

```js
const path = require('path');
const codegen = require('swagger-node-codegen');
const swagger = require('./swagger.json');

codegen.generate({
  swagger,
  target_dir: path.resolve(__dirname, './my-api')
}).then(() => {
  console.log('Done!');
}).catch(err => {
  console.error(`Something went wrong: ${err.message}`);
});
```

The `swagger` parameter can be either JSON or a path pointing to a JSON or YAML file.

```js
const path = require('path');
const codegen = require('swagger-node-codegen');

codegen.generate({
  swagger: path.resolve(__dirname, './swagger.yml'),
  target_dir: path.resolve(__dirname, './my-api')
}).then(() => {
  console.log('Done!');
}).catch(err => {
  console.error(`Something went wrong: ${err.message}`);
});
```
#### Using async/await

The function `codegen.generate` returns a Promise, so it means you can use async/await:

```js
const path = require('path');
const codegen = require('swagger-node-codegen');

try {
  await codegen.generate({
    swagger: path.resolve(__dirname, './swagger.yml'),
    target_dir: path.resolve(__dirname, './my-api')
  });
  console.log('Done!');
} catch (err) {
  console.error(`Something went wrong: ${err.message}`);
}
```

## API Documentation

### Modules

<dl>
<dt><a href="#module_codegen">codegen</a></dt>
<dd>This module generates a code skeleton for an API using OpenAPI/Swagger.
</dd>
<dt><a href="#codegen.module_generate">generate</a> ⇒ <code>Promise</code></dt>
<dd>Generates a code skeleton for an API given an OpenAPI/Swagger file.
</dd>
</dl>

### codegen
This module generates a code skeleton for an API using OpenAPI/Swagger.

#### generate ⇒ <code>Promise</code>
Generates a code skeleton for an API given an OpenAPI/Swagger file.

| Param | Type | Description |
| --- | --- | --- |
| config | <code>Object</code> | Configuration options |
| config.swagger | <code>Object</code> \| <code>String</code> | OpenAPI/Swagger JSON or a string pointing to an OpenAPI/Swagger file. |
| config.target_dir | <code>String</code> | Path to the directory where the files will be generated. |
| config.templates| <code>String</code> | Path to the directory where custom templates are (optional). |

## Templates
You can create your own [templates](./templates/README.md).

## Authors

* Fran Méndez ([@fmvilas](http://twitter.com/fmvilas))
* Richard Klose ([@richardklose](http://github.com/richardklose))

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