| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290 | 
							- <div align="center">
 
-   <a href="http://json-schema.org">
 
-     <img width="160" height="160"
 
-       src="https://raw.githubusercontent.com/webpack-contrib/schema-utils/master/.github/assets/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>
 
- </div>
 
- [![npm][npm]][npm-url]
 
- [![node][node]][node-url]
 
- [![deps][deps]][deps-url]
 
- [![tests][tests]][tests-url]
 
- [![coverage][cover]][cover-url]
 
- [![chat][chat]][chat-url]
 
- [![size][size]][size-url]
 
- # schema-utils
 
- Package for validate options in loaders and plugins.
 
- ## Getting Started
 
- To begin, you'll need to install `schema-utils`:
 
- ```console
 
- npm install schema-utils
 
- ```
 
- ## API
 
- **schema.json**
 
- ```json
 
- {
 
-   "type": "object",
 
-   "properties": {
 
-     "option": {
 
-       "type": "boolean"
 
-     }
 
-   },
 
-   "additionalProperties": false
 
- }
 
- ```
 
- ```js
 
- import schema from "./path/to/schema.json";
 
- import { validate } from "schema-utils";
 
- const options = { option: true };
 
- const configuration = { name: "Loader Name/Plugin Name/Name" };
 
- validate(schema, options, configuration);
 
- ```
 
- ### `schema`
 
- Type: `String`
 
- JSON schema.
 
- Simple example of schema:
 
- ```json
 
- {
 
-   "type": "object",
 
-   "properties": {
 
-     "name": {
 
-       "description": "This is description of option.",
 
-       "type": "string"
 
-     }
 
-   },
 
-   "additionalProperties": false
 
- }
 
- ```
 
- ### `options`
 
- Type: `Object`
 
- Object with options.
 
- ```js
 
- import schema from "./path/to/schema.json";
 
- import { validate } from "schema-utils";
 
- const options = { foo: "bar" };
 
- validate(schema, { name: 123 }, { name: "MyPlugin" });
 
- ```
 
- ### `configuration`
 
- Allow to configure validator.
 
- There is an alternative method to configure the `name` and`baseDataPath` options via the `title` property in the schema.
 
- For example:
 
- ```json
 
- {
 
-   "title": "My Loader options",
 
-   "type": "object",
 
-   "properties": {
 
-     "name": {
 
-       "description": "This is description of option.",
 
-       "type": "string"
 
-     }
 
-   },
 
-   "additionalProperties": false
 
- }
 
- ```
 
- The last word used for the `baseDataPath` option, other words used for the `name` option.
 
- Based on the example above the `name` option equals `My Loader`, the `baseDataPath` option equals `options`.
 
- #### `name`
 
- Type: `Object`
 
- Default: `"Object"`
 
- Allow to setup name in validation errors.
 
- ```js
 
- import schema from "./path/to/schema.json";
 
- import { validate } from "schema-utils";
 
- const options = { foo: "bar" };
 
- validate(schema, options, { name: "MyPlugin" });
 
- ```
 
- ```shell
 
- Invalid configuration object. MyPlugin has been initialised using a configuration object that does not match the API schema.
 
-  - configuration.optionName should be a integer.
 
- ```
 
- #### `baseDataPath`
 
- Type: `String`
 
- Default: `"configuration"`
 
- Allow to setup base data path in validation errors.
 
- ```js
 
- import schema from "./path/to/schema.json";
 
- import { validate } from "schema-utils";
 
- const options = { foo: "bar" };
 
- validate(schema, options, { name: "MyPlugin", baseDataPath: "options" });
 
- ```
 
- ```shell
 
- Invalid options object. MyPlugin has been initialised using an options object that does not match the API schema.
 
-  - options.optionName should be a integer.
 
- ```
 
- #### `postFormatter`
 
- Type: `Function`
 
- Default: `undefined`
 
- Allow to reformat errors.
 
- ```js
 
- import schema from "./path/to/schema.json";
 
- import { validate } from "schema-utils";
 
- const options = { foo: "bar" };
 
- validate(schema, options, {
 
-   name: "MyPlugin",
 
-   postFormatter: (formattedError, error) => {
 
-     if (error.keyword === "type") {
 
-       return `${formattedError}\nAdditional Information.`;
 
-     }
 
-     return formattedError;
 
-   },
 
- });
 
- ```
 
- ```shell
 
- Invalid options object. MyPlugin has been initialized using an options object that does not match the API schema.
 
-  - options.optionName should be a integer.
 
-    Additional Information.
 
- ```
 
- ## Examples
 
- **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 { validate } from "schema-utils";
 
- import schema from "path/to/schema.json";
 
- function loader(src, map) {
 
-   const options = getOptions(this);
 
-   validate(schema, options, {
 
-     name: "Loader Name",
 
-     baseDataPath: "options",
 
-   });
 
-   // Code...
 
- }
 
- export default loader;
 
- ```
 
- ### `Plugin`
 
- ```js
 
- import { validate } from "schema-utils";
 
- import schema from "path/to/schema.json";
 
- class Plugin {
 
-   constructor(options) {
 
-     validate(schema, options, {
 
-       name: "Plugin Name",
 
-       baseDataPath: "options",
 
-     });
 
-     this.options = options;
 
-   }
 
-   apply(compiler) {
 
-     // Code...
 
-   }
 
- }
 
- export default Plugin;
 
- ```
 
- ## Contributing
 
- Please take a moment to read our contributing guidelines if you haven't yet done so.
 
- [CONTRIBUTING](./.github/CONTRIBUTING.md)
 
- ## License
 
- [MIT](./LICENSE)
 
- [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/schema-utils.svg
 
- [deps-url]: https://david-dm.org/webpack/schema-utils
 
- [tests]: https://github.com/webpack/schema-utils/workflows/schema-utils/badge.svg
 
- [tests-url]: https://github.com/webpack/schema-utils/actions
 
- [cover]: https://codecov.io/gh/webpack/schema-utils/branch/master/graph/badge.svg
 
- [cover-url]: https://codecov.io/gh/webpack/schema-utils
 
- [chat]: https://badges.gitter.im/webpack/webpack.svg
 
- [chat-url]: https://gitter.im/webpack/webpack
 
- [size]: https://packagephobia.com/badge?p=schema-utils
 
- [size-url]: https://packagephobia.com/result?p=schema-utils
 
 
  |