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## SDJSchema(Self Description JSON Schema)

SDJSchema is a tool that validates JSON members matched with the descriptions of data presence, type, and constraint.

SDJSchema includes a group of rules and notations which describe data presence, data type and data constraints to a JSON data, the rules and notations don't change any key-value pairs in JSON, they are extra members to JSON.

SDJS-Web is a version of SDJSchema specified for web browsers. To access [SDJS-Web repository](https://github.com/w3plan/sdjs-web "SDJS-Web") for the details.


## Documentation

To see [Self Description JSON Schema](https://www.w3plan.net/pfsdjs/ "SDJSchema documentation")


## Installation

  ` $ npm install sdjschema `


## Usage

```javascript
  const { valiSdjs } = require('sdjschema');
  
  // supposing that sdjsObj is a JSON object with Self Description JSON Schema
  if ( valiSdjs(sdjsObj) ) {
    console.log("validation succeeded.");
  } else {
    console.log("validation failed.");
  }  
  
```


## Tests

Runs the following commands from your project.

` $ cd ./node_modules/sdjschema ` <br>
` $ npm test `


## Enhancing data exchanges

Creating and consuming validatable data cross networks with SDJSchema.


## License

MIT