https://github.com/shipwell/json-yup

✅ A utility for converting a JSON schema into Yup schema.
https://github.com/shipwell/json-yup

formik-validation json-schema json-yup schema swagger-schema swagger-validate validation yup yup-json

Last synced: about 5 hours ago
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✅ A utility for converting a JSON schema into Yup schema.

• Host: GitHub
• URL: https://github.com/shipwell/json-yup
• Owner: shipwell
• License: mit
• Created: 2019-12-09T16:00:15.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2024-08-31T12:04:13.000Z (3 months ago)
• Last Synced: 2024-10-06T11:48:11.390Z (about 1 month ago)
• Topics: formik-validation, json-schema, json-yup, schema, swagger-schema, swagger-validate, validation, yup, yup-json
• Language: JavaScript
• Homepage:
• Size: 427 KB
• Stars: 16
• Watchers: 6
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE.md

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README

        
# json-yup

[![npm](https://img.shields.io/npm/v/json-yup.svg?style=flat-square)](https://www.npmjs.com/package/react-native-calendar-events)

[![npm](https://img.shields.io/npm/l/json-yup.svg?style=flat-square)](https://github.com/wmcmahan/react-native-calendar-events/blob/master/LICENSE.md)

A simple utility for converting a [JSON schema](https://json-schema.org/) into [Yup](https://github.com/jquense/yup) schema.

## Setup

```

npm install -S json-yup

```

```

import createValidationSchema from 'json-yup';

```

## API

```javascript

createValidationSchema(schema, options);

```

### Arguments

|Argument       | Type  | Description   |

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

|schema      | Object | A valid JSON schema conforming to [JSON schema](https://json-schema.org/) specifications. |

| customValidationFields | Object | Custom Yup mappings for schema properties |

### Options

|Property       | Type  | Description   |

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

|blackList      | Array | A list of fields to omit from the schema. |

|customValidationFields | Object | Custom Yup mappings for schema properties |

|validationTypes| Object | Custom Yup mappings for schema types. |

### Returns

Yup validation object

## Usage

```javascript

// Valid JSON Schema

const jsonSchema = {

  "type": "object",

  "required": [

    "first_name"

  ],

  "properties": {

    "create_at": {

      "type": "string"

    },

    "first_name": {

      "type": "string"

    },

    "age": {

      "type": "number",

      "min": 1,

      "max": 200

    }

  }

};

// Build Yup Schema

const validationSchema = createValidationSchema(jsonSchema, {

  blackList: [

    'create_at'

  ],

  validationTypes: {

    string: yup.string().nullable()

  },

  customValidationFields: {

    first_name: yup.string().test(

      'isWilly',

      'Oops! You\'re not Willy',

      value => value === 'Willy'

    )

  }

});

// Check validity

validationSchema.isValid({

  first_name: 'Willy',

  age: 24

})

```