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- [![npm][npm]][npm-url]
- [![node][node]][node-url]
- [![deps][deps]][deps-url]
- [![test][test]][test-url]
- [![coverage][cover]][cover-url]
- [![chat][chat]][chat-url]
-
- <div align="center">
- <a href="http://json-schema.org">
- <img width="160" height="160"
- src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/docs/logo.png">
- </a>
- <a href="https://github.com/webpack/webpack">
- <img width="200" height="200"
- src="https://webpack.js.org/assets/icon-square-big.svg">
- </a>
- <h1>Schema Utils</h1>
- </div>
-
- <h2 align="center">Install</h2>
-
- ```bash
- npm i schema-utils
- ```
-
- <h2 align="center">Usage</h2>
-
- ### `validateOptions`
-
- **schema.json**
- ```js
- {
- "type": "object",
- "properties": {
- // Options...
- },
- "additionalProperties": false
- }
- ```
-
- ```js
- import schema from 'path/to/schema.json'
- import validateOptions from 'schema-utils'
-
- validateOptions(schema, options, 'Loader/Plugin Name')
- ```
-
- <h2 align="center">Examples</h2>
-
- **schema.json**
- ```json
- {
- "type": "object",
- "properties": {
- "name": {
- "type": "string"
- },
- "test": {
- "anyOf": [
- { "type": "array" },
- { "type": "string" },
- { "instanceof": "RegExp" }
- ]
- },
- "transform": {
- "instanceof": "Function"
- },
- "sourceMap": {
- "type": "boolean"
- }
- },
- "additionalProperties": false
- }
- ```
-
- ### `Loader`
-
- ```js
- import { getOptions } from 'loader-utils'
- import validateOptions from 'schema-utils'
-
- import schema from 'path/to/schema.json'
-
- function loader (src, map) {
- const options = getOptions(this) || {}
-
- validateOptions(schema, options, 'Loader Name')
-
- // Code...
- }
- ```
-
- ### `Plugin`
-
- ```js
- import validateOptions from 'schema-utils'
-
- import schema from 'path/to/schema.json'
-
- class Plugin {
- constructor (options) {
- validateOptions(schema, options, 'Plugin Name')
-
- this.options = options
- }
-
- apply (compiler) {
- // Code...
- }
- }
- ```
-
-
- [npm]: https://img.shields.io/npm/v/schema-utils.svg
- [npm-url]: https://npmjs.com/package/schema-utils
-
- [node]: https://img.shields.io/node/v/schema-utils.svg
- [node-url]: https://nodejs.org
-
- [deps]: https://david-dm.org/webpack-contrib/schema-utils.svg
- [deps-url]: https://david-dm.org/webpack-contrib/schema-utils
-
- [test]: http://img.shields.io/travis/webpack-contrib/schema-utils.svg
- [test-url]: https://travis-ci.org/webpack-contrib/schema-utils
-
- [cover]: https://codecov.io/gh/webpack-contrib/schema-utils/branch/master/graph/badge.svg
- [cover-url]: https://codecov.io/gh/webpack-contrib/schema-utils
-
- [chat]: https://img.shields.io/badge/gitter-webpack%2Fwebpack-brightgreen.svg
- [chat-url]: https://gitter.im/webpack/webpack
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