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https://github.com/asyncapi/openapi-schema-parser

An AsyncAPI schema parser for OpenAPI 3.0.x and Swagger 2.x schemas.
https://github.com/asyncapi/openapi-schema-parser

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An AsyncAPI schema parser for OpenAPI 3.0.x and Swagger 2.x schemas.

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# OpenAPI Schema Parser

An AsyncAPI schema parser for OpenAPI 3.0.x and Swagger 2.x schemas.

> **Note**
> Version >= `3.0.0` of package is only supported by `@asyncapi/parser` version >= `2.0.0`.

- [Installation](#installation)
- [Usage](#usage)

## Installation

```bash
npm install @asyncapi/openapi-schema-parser
// OR
yarn add @asyncapi/openapi-schema-parser
```

## Usage

```ts
import { Parser } from '@asyncapi/parser';
import { OpenAPISchemaParser } from '@asyncapi/openapi-schema-parser';

const parser = new Parser();
parser.registerSchemaParser(OpenAPISchemaParser());

const asyncapiWithOpenAPI = `
asyncapi: 2.0.0
info:
title: Example with OpenAPI
version: 0.1.0
channels:
example:
publish:
message:
schemaFormat: 'application/vnd.oai.openapi;version=3.0.0'
payload: # The following is an OpenAPI schema
type: object
properties:
title:
type: string
nullable: true
author:
type: string
example: Jack Johnson
`;

const { document } = await parser.parse(asyncapiWithOpenAPI);
```

```js
const { Parser } = require('@asyncapi/parser');
const { OpenAPISchemaParser } = require('@asyncapi/openapi-schema-parser');

const parser = new Parser();
parser.registerSchemaParser(OpenAPISchemaParser());

const asyncapiWithOpenAPI = `
asyncapi: 2.0.0
info:
title: Example with OpenAPI
version: 0.1.0
channels:
example:
publish:
message:
schemaFormat: 'application/vnd.oai.openapi;version=3.0.0'
payload: # The following is an OpenAPI schema
type: object
properties:
title:
type: string
nullable: true
author:
type: string
example: Jack Johnson
`;

const { document } = await parser.parse(asyncapiWithOpenAPI);
```

It also supports referencing remote OpenAPI schemas:

```ts
import { Parser } from '@asyncapi/parser';
import { OpenAPISchemaParser } from '@asyncapi/openapi-schema-parser';

const parser = new Parser();
parser.registerSchemaParser(OpenAPISchemaParser());

const asyncapiWithOpenAPI = `
asyncapi: 2.0.0
info:
title: Example with OpenAPI
version: 0.1.0
channels:
example:
publish:
message:
schemaFormat: 'application/vnd.oai.openapi;version=3.0.0'
payload:
$ref: 'yourserver.com/schemas#/Book'
`;

const { document } = await parser.parse(asyncapiWithOpenAPI);
```