# Getting Started

`TypeScript` ready schema validator

[![](https://github.com/rapidom/schema/workflows/Test/badge.svg)](https://github.com/rapidom/schema/actions) [![](https://codecov.io/gh/rapidom/schema/branch/main/graph/badge.svg)](https://codecov.io/gh/rapidom/schema) [![](https://img.shields.io/npm/v/@rapidom/schema.svg)](https://www.npmjs.com/package/@rapidom/schema) [![](https://img.shields.io/bundlephobia/min/@rapidom/schema.svg)](https://www.npmjs.com/package/@rapidom/schema) [![](https://img.shields.io/bundlephobia/minzip/@rapidom/schema.svg)](https://www.npmjs.com/package/@rapidom/schema) [![](https://img.shields.io/npm/dm/@rapidom/schema.svg)](https://www.npmjs.com/package/@rapidom/schema) [![](https://img.shields.io/npm/dt/@rapidom/schema.svg)](https://www.npmjs.com/package/@rapidom/schema) [![](https://david-dm.org/rapidom/schema.svg)](https://david-dm.org/rapidom/schema) [![](https://img.shields.io/github/issues-raw/rapidom/schema.svg)](https://github.com/rapidom/schema/issues?q=is%3Aopen+is%3Aissue) [![](https://img.shields.io/badge/PRs-Welcome-brightgreen.svg)](https://github.com/rapidom/schema/pulls) [![](https://img.shields.io/github/license/rapidom/schema.svg)](https://github.com/rapidom/schema/blob/main/LICENSE)

## Table of Content

* [Getting Started](#getting-started)
  * [Installation](#installation)
  * [Usage](#usage)
* [Versioning](#versioning)
* [Authors](#authors)
* [License](#license)

## Getting Started

### Installation

NPM / GitHub Packages:

```
npm i @rapidom/schema
```

Yarn:

```
yarn add @rapidom/schema
```

### Usage

```typescript
import Schema from "@rapidom/schema";

const schema = {
  username: Schema.string()
    .alphanum()
    .required(),
  name: Schema.object().keys({
    first: Schema.string()
      .min(3)
      .required(),
    last: Schema.string().min(3),
  }).required(),
  datetime: Schema.date().default(Date.now),
};

try {
  const result = Schema.object().keys(schema).validate(value);
} catch (error) {
  // your error handler
}
```

## Authors

* **Ardalan Amini** - *Core Maintainer* - [@ardalanamini](https://github.com/ardalanamini)

See also the list of [contributors](https://github.com/rapidom/schema/contributors) who participated in this project.

## Versioning

We use [SemVer](http://semver.org) for versioning. For the versions available, see the [releases](https://github.com/rapidom/schema/releases).

## License

This project is licensed under the MIT License - see the [LICENSE](https://github.com/rapidom/schema/blob/main/LICENSE) file for details


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://schema.js.org/readme.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
