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📘 ReDoc frontend for you NestJS swagger API documentation

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<h1 align="center">
  NestJS-Redoc
  <h4 align="center">ReDoc powered frontend for your NestJS API spec</h4>
</h1>

</div>

📒 This is a [ReDoc](https://github.com/Redocly/redoc) powered frontend for your NestJS API spec.

</p>

## ⚡ Features

- Customizable theme
- It's almost a drop in replacement for you current swagger UI, you only need to import this package and modify any settings you may want to change (e.g: Page title, ReDoc options)

## 🗿 Installation

Using npm: `npm i nestjs-redoc`

Using yarn: `yarn add nestjs-redoc`

## ❓ How to use

You need to install the [Swagger Module](https://github.com/nestjs/swagger) first if you want to get definitions updated with your project.

In future versions you will be able to pass a URL parameter as document, but for the moment you need this document object from the swagger module

```typescript
const options = new DocumentBuilder()
  .setTitle('Look, i have a title')
  .setDescription('A very nice description')
  .setBasePath('/api/v1')
  .build();
const document = SwaggerModule.createDocument(app, options);
```

Then add the following example code.

**Note**: All properties are optional, if you don't specify a title we will fallback to the one you used in your DocumentBuilder instance.

```typescript
const redocOptions: RedocOptions = {
  title: 'Hello Nest',
  logo: {
    url: 'https://redocly.github.io/redoc/petstore-logo.png',
    backgroundColor: '#F0F0F0',
    altText: 'PetStore logo'
  },
  sortPropsAlphabetically: true,
  hideDownloadButton: false,
  hideHostname: false,
  auth: {
    enabled: true,
    user: 'admin',
    password: '123'
  },
  tagGroups: [
    {
      name: 'Core resources',
      tags: ['cats'],
    },
  ],
};
// Instead of using SwaggerModule.setup() you call this module
await RedocModule.setup('/docs', app, document, redocOptions);
```

## Available options

### Redoc Options

| Option                  | Description                                                                                                                                           | Type              | Note                                       |
| ----------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------- | ------------------------------------------ |
| title                   | Web site title (e.g: ReDoc documentation)                                                                                                             | string            |
| favicon                 | Web site favicon URL                                                                                                                                  | string            | Fallbacks to the document title if not set |
| logo                    | Logo options                                                                                                                                          | LogoOptions       | See LogoOptions table                      |
| theme                   | Theme options                                                                                                                                         | ThemeOptions      | See ThemeOptions info                      |
| untrustedSpec           | If set, the spec is considered untrusted and all HTML/markdown is sanitized to prevent XSS, by default is false                                       | boolean           |
| supressWarnings         | If set, warnings are not rendered at the top of documentation (they are still logged to the console)                                                  | boolean           |
| hideHostname            | If set, the protocol and hostname won't be shown in the operation definition                                                                          | boolean           |
| expandResponses         | Specify which responses to expand by default by response codes, values should be passed as comma-separated list without spaces (e.g: 200, 201, "all") | string            |
| requiredPropsFirst      | If set, show required properties first ordered in the same order as in required array                                                                 | boolean           |
| sortPropsAlphabetically | If set, propeties will be sorted alphabetically                                                                                                       | boolean           |
| showExtensions          | If set the fields starting with "x-" will be shown, can be a boolean or a string with names of extensions to display                                  | boolean           |
| noAutoAuth              | If set, redoc won't inject authentication section automatically                                                                                       | boolean           |
| pathInMiddlePanel       | If set, path link and HTTP verb will be shown in the middle panel instead of the right one                                                            | boolean           |
| hideLoading             | If set, loading spinner animation won't be shown                                                                                                      | boolean           |
| nativeScrollbars        | If set, a native scrollbar will be used instead of perfect-scroll, this can improve performance of the frontend for big specs                         | boolean           |
| hideDownloadButton      | This will hide the "Download spec" button, it only hides the button                                                                                   | boolean           |
| disableSearch           | If set, the search bar will be disabled                                                                                                               | boolean           |
| onlyRequiredInSamples   | Shows only required fileds in request samples                                                                                                         | boolean           |
| auth                    | Auth options                                                                                                                                          | AuthOptions       | See AuthOptions info                       |
| AuthOptions info        |
| enabled                 | If enabled, a prompt will pop out asking for authentication details, default: `false`                                                                 | boolean           |
| user                    | User name, default: `admin`                                                                                                                           | string            |
| password                | User password, default: `123`                                                                                                                         | string            |
| tagGroups               | Tag groups options                                                                                                                                    | TagGroupOptions[] | See Tag Group options                      |
| Tag Group options info  |
| name                    | Tag name                                                                                                                                              | string            |
| tags                    | Tag collection                                                                                                                                        | string[]          |
| redocVersion            | Set an specific redoc version                                                                                                                         | string,number     | By default it's "latest"                   |

**Note**: If you want to change your ReDoc theme settings, take a look at the official ReDoc documentation: <https://github.com/Redocly/redoc/blob/master/src/theme.ts>

Apply the properties defined in ResolvedThemeInterface to the key called "theme" in the redoc options

### Logo options

| Option          | Description                                                                           | Type   | Example  |
| --------------- | ------------------------------------------------------------------------------------- | ------ | -------- |
| url             | The URL pointing to the spec Logo, must be in the format of a URL and an absolute URL | string |
| backgroundColor | Background color to be used, must be RGB color in hexadecimal format (e.g: #008080)   | string | #F0F0F0  |
| altText         | Alt tag for Logo                                                                      | string | PetStore |
| href            | href tag for Logo, it defaults to the host used for your API spec                     | string |

## 👨‍💻👩‍💻 Contributors

- Special thanks to [Jay McDoniel (jmcdo29)](https://github.com/jmcdo29) who helped with code refactoring and unit tests! 👏
- @joemaidman

## 📜 Changelog

Bellow are a list of changes, some might go undocumented

- 1.0.0 - First release
- 1.1.0 - Minor changes, nothing too important
- 1.2.0 - Added unit tests, refactored code
- 1.2.1 - Updated to work with the latest version of nest swagger module
- 1.2.2 - Fixed issue with URL on windows
- 1.3.0 - Added favicon option (by @joemaidman)
- 2.0.0 - Added authentication option, fixed issues with CSP and nestjs version compatibility issues
- 2.1.0 - Added x-tagGroups extension property
- 2.1.1 - Fixed CSP issue on Safari browser
- 2.2.0 - Added version property, this way you can pin redoc to a specific version
- 2.2.2 - Updated to support Nest 8

## 📋 ToDo

- Add Fastify support
- Add the option to use a spec URL instead of document
- Fix tests

nestjs-redoc

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