https://github.com/tgreyuk/json-schemify

A tool that converts any JSON structure to a valid JSON Schema object.
https://github.com/tgreyuk/json-schemify

json json-schema schema

Last synced: about 9 hours ago
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A tool that converts any JSON structure to a valid JSON Schema object.

• Host: GitHub
• URL: https://github.com/tgreyuk/json-schemify
• Owner: tgreyuk
• License: mit
• Created: 2018-10-14T23:14:07.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2021-08-08T12:28:50.000Z (over 3 years ago)
• Last Synced: 2024-01-27T04:08:29.480Z (10 months ago)
• Topics: json, json-schema, schema
• Language: TypeScript
• Homepage:
• Size: 775 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# json-schemify

![json-schemify](logos.png)

Converts any JSON structure to a valid [JSON Schema](http://json-schema.org/) object.

[![npm](https://img.shields.io/npm/v/json-schemify.svg)](https://www.npmjs.com/package/json-schemify)

![CI](https://github.com/tgreyuk/json-schemify/actions/workflows/ci.yml/badge.svg?branch=master)

## Getting started

### Installation

```js

npm install json-schemify --save-dev

```

### Usage

```js

const { writeSchema } = require('json-schemify');

```

## API

### writeSchema

**writeSchema**(`json`, `filepath`, `options`)

Writes to a JSON schema output file.

```js

const json= {

  firstName: 'John',

  lastName: 'Doe',

  age: 21,

}

writeSchema(json, 'schema.json');

```

#### Params

##### `json`

Any valid JSON.

##### `filepath`

The filepath of the file to write.

##### `options`

| Option       | Description                      |

| ------------ | -------------------------------- |

| id?          | The \$id property of the schema  |

| title?       | The title property of the schema |

| prettyPrint? | Pretty print Json  output        |

___

### schemify

**schemify**(`json`, `options`)

Returns the JSON schema object (rather than writing to file).

```js

const json= {

  firstName: 'John',

  lastName: 'Doe',

  age: 21,

}

const schema = schemify(json);

// do something with schema

console.log(schema);

```

#### Params

##### `json`

Any valid JSON.

##### `options`

| Option | Description                      |

| ------ | -------------------------------- |

| id?    | The \$id property of the schema  |

| title? | The title property of the schema |

#### Returns

A valid JSON Schema Object (draft-07)

## Example

This example returns a basic schema.

### Json

```js

{

  firstName: 'John',

  lastName: 'Doe',

  age: 21,

};

```

### Result

```js

{

  "$schema": "http://json-schema.org/draft-07/schema#",

  "type": "object",

  "properties": {

    "firstName": { "type": "string" },

    "lastName": { "type": "string" },

    "age": { "type": "integer" }

  }

}

```