refactor(eslint): switch to new eslint api

packages/alias/README.md

@@ -52,16 +52,16 @@ module.exports = {
   input: 'src/index.js',
   output: {
     dir: 'output',
-    format: 'cjs'
+    format: 'cjs',
   },
   plugins: [
     alias({
       entries: [
         { find: 'utils', replacement: '../../../utils' },
-        { find: 'batman-1.0.0', replacement: './joker-1.5.0' }
-      ]
-    })
-  ]
+        { find: 'batman-1.0.0', replacement: './joker-1.5.0' },
+      ],
+    }),
+  ],
 };
 ```
 
@@ -91,8 +91,8 @@ The `Object` format allows specifying aliases as a key, and the corresponding va
 alias({
   entries: {
     utils: '../../../utils',
-    'batman-1.0.0': './joker-1.5.0'
-  }
+    'batman-1.0.0': './joker-1.5.0',
+  },
 });
 ```
 
@@ -103,7 +103,7 @@ The `Array[...Object]` format allows specifying aliases as objects, which can be
 ```js
 entries: [
   { find: 'utils', replacement: '../../../utils' },
-  { find: 'batman-1.0.0', replacement: './joker-1.5.0' }
+  { find: 'batman-1.0.0', replacement: './joker-1.5.0' },
 ];
 ```
 
@@ -143,7 +143,7 @@ import alias from '@rollup/plugin-alias';
 import resolve from '@rollup/plugin-node-resolve';
 
 const customResolver = resolve({
-  extensions: ['.mjs', '.js', '.jsx', '.json', '.sass', '.scss']
+  extensions: ['.mjs', '.js', '.jsx', '.json', '.sass', '.scss'],
 });
 const projectRootDir = path.resolve(__dirname);
 
@@ -154,14 +154,14 @@ export default {
       entries: [
         {
           find: 'src',
-          replacement: path.resolve(projectRootDir, 'src')
+          replacement: path.resolve(projectRootDir, 'src'),
           // OR place `customResolver` here. See explanation below.
-        }
+        },
       ],
-      customResolver
+      customResolver,
     }),
-    resolve()
-  ]
+    resolve(),
+  ],
 };
 ```
 

packages/babel/README.md

@@ -45,9 +45,9 @@ const config = {
   input: 'src/index.js',
   output: {
     dir: 'output',
-    format: 'esm'
+    format: 'esm',
   },
-  plugins: [babel({ babelHelpers: 'bundled' })]
+  plugins: [babel({ babelHelpers: 'bundled' })],
 };
 
 export default config;
@@ -169,13 +169,13 @@ export default {
   input: 'main.js',
   plugins: [
     getBabelOutputPlugin({
-      presets: ['@babel/preset-env']
-    })
+      presets: ['@babel/preset-env'],
+    }),
   ],
   output: [
     { file: 'bundle.cjs.js', format: 'cjs' },
-    { file: 'bundle.esm.js', format: 'esm' }
-  ]
+    { file: 'bundle.esm.js', format: 'esm' },
+  ],
 };
 ```
 
@@ -192,9 +192,9 @@ export default {
     {
       file: 'bundle.es5.js',
       format: 'esm',
-      plugins: [getBabelOutputPlugin({ presets: ['@babel/preset-env'] })]
-    }
-  ]
+      plugins: [getBabelOutputPlugin({ presets: ['@babel/preset-env'] })],
+    },
+  ],
 };
 ```
 
@@ -213,9 +213,9 @@ export default {
     {
       file: 'bundle.js',
       format: 'esm',
-      plugins: [getBabelOutputPlugin({ presets: ['@babel/preset-env'] })]
-    }
-  ]
+      plugins: [getBabelOutputPlugin({ presets: ['@babel/preset-env'] })],
+    },
+  ],
 };
 ```
 
@@ -225,7 +225,7 @@ Unlike the regular `babel` plugin, `getBabelOutputPlugin(...)` will **not** auto
 
 ```js
 getBabelOutputPlugin({
-  configFile: path.resolve(__dirname, 'babel.config.js')
+  configFile: path.resolve(__dirname, 'babel.config.js'),
 });
 ```
 
@@ -327,10 +327,10 @@ It's main purpose is to allow other tools for configuration of transpilation wit
 ```js
 import { createBabelInputPluginFactory } from '@rollup/plugin-babel';
 
-export default createBabelInputPluginFactory(babelCore => {
+export default createBabelInputPluginFactory((babelCore) => {
   function myPlugin() {
     return {
-      visitor: {}
+      visitor: {},
     };
   }
 
@@ -342,7 +342,7 @@ export default createBabelInputPluginFactory(babelCore => {
         customOptions: { opt1, opt2 },
 
         // Pass the options back with the two custom options removed.
-        pluginOptions
+        pluginOptions,
       };
     },
 
@@ -358,17 +358,17 @@ export default createBabelInputPluginFactory(babelCore => {
           ...(cfg.options.plugins || []),
 
           // Include a custom plugin in the options.
-          myPlugin
-        ]
+          myPlugin,
+        ],
       };
     },
 
     result(result, { code, customOptions, config, transformOptions }) {
       return {
         ...result,
-        code: result.code + '\n// Generated by some custom plugin'
+        code: result.code + '\n// Generated by some custom plugin',
       };
-    }
+    },
   };
 });
 ```

packages/eslint/README.md

@@ -1,24 +1,24 @@
-[npm]: https://img.shields.io/npm/v/@rollup/plugin-alias
-[npm-url]: https://www.npmjs.com/package/@rollup/plugin-alias
-[size]: https://packagephobia.now.sh/badge?p=@rollup/plugin-alias
-[size-url]: https://packagephobia.now.sh/result?p=@rollup/plugin-alias
+[npm]: https://img.shields.io/npm/v/@rollup/plugin-eslint
+[npm-url]: https://www.npmjs.com/package/@rollup/plugin-eslint
+[size]: https://packagephobia.now.sh/badge?p=@rollup/plugin-eslint
+[size-url]: https://packagephobia.now.sh/result?p=@rollup/plugin-eslint
 
 [![npm][npm]][npm-url]
 [![size][size]][size-url]
 [![libera manifesto](https://img.shields.io/badge/libera-manifesto-lightgrey.svg)](https://liberamanifesto.com)
 
 # @rollup/plugin-eslint
 
-🍣 A Rollup plugin to lint entry points and all imported files with ESLint.
+🍣 A Rollup plugin to lint your source files with ESLint.
 
 ## Install
 
-Using npm:
-
 ```console
+# using npm
 npm install @rollup/plugin-eslint --save-dev
-# or
-yarn add -D @rollup/plugin-eslint
+
+# using yarn
+yarn add @rollup/plugin-eslint --dev
 ```
 
 ## Usage
@@ -27,62 +27,77 @@ yarn add -D @rollup/plugin-eslint
 import eslint from '@rollup/plugin-eslint';
 
 export default {
-  input: 'main.js',
+  input: 'src',
   plugins: [
     eslint({
-      /* your options */
-    })
-  ]
+      /* options */
+    }),
+  ],
+  output: {
+    /* ... */
+  },
 };
 ```
 
 ## Options
 
-See more options here [eslint-config](http://eslint.org/docs/developer-guide/nodejs-api#cliengine).
+This plugin respects your [ESLint configuration](https://eslint.org/docs/user-guide/configuring) as per default. It also takes a configuration object intended for the [ESLint constructor](https://eslint.org/docs/developer-guide/nodejs-api#-new-eslintoptions) with the addition of a `throwOnWarning`, `throwOnError`, `formatter`, `include` and `exclude` prop. The most popular configuration options are as follows:
+
+### `fix`
+
+Type: `boolean`<br>
+Default: `false`<br>
+Utilized by: [ESLint constructor](https://eslint.org/docs/developer-guide/nodejs-api#-new-eslintoptions)
 
-You can also use eslint configuration in the form of a `.eslintrc.*` file in your project's root. It will be loaded automatically.
+Controls whether to enable or disable the autofix feature of ESLint.
 
-### fix
+### `extensions`
 
-Type: `Boolean`<br>
-Default: `false`
+Type: `string[]`<br>
+Default: `null`<br>
+Utilized by: [ESLint constructor](https://eslint.org/docs/developer-guide/nodejs-api#-new-eslintoptions)
 
-If true, will auto fix source code.
+Controls what type of files ESLint should look at. The default of `null` is equal to `[ '.js' ]`.
 
-### throwOnError
+### `throwOnWarning`
 
-Type: `Boolean`<br>
-Default: `false`
+Type: `boolean`<br>
+Default: `false`<br>
+Utilized by: [The plugin itself](src/index.ts#L40)
 
-If true, will throw an error if any errors were found.
+Controls whether or not to throw an error and exit the process when ESLint reports any warnings.
 
-### throwOnWarning
+### `throwOnError`
 
-Type: `Boolean`<br>
-Default: `false`
+Type: `boolean`<br>
+Default: `false`<br>
+Utilized by: [The plugin itself](src/index.ts#L46)
 
-If true, will throw an error if any warnings were found.
+Controls whether or not to throw an error and exit the process when ESLint reports any errors.
 
-### include
+### `formatter`
 
-Type: `Array | String`<br>
-Default: `[]`
+Type: `string`<br>
+Default: `'stylish'`<br>
+Utilized by: [The plugin itself](src/index.ts#L32)
 
-A single file, or array of files, to include when linting.
+The name of a (built-in) formatter or the path to a custom formatter.
 
-### exclude
+### `include`
 
-Type: `Array | String`<br>
-Default: `node_modules/**`
+Type: `string | string[]`<br>
+Default: `undefined`<br>
+Utilized by: [`@rollup/pluginutils`](https://github.com/rollup/plugins/tree/master/packages/pluginutils#createfilter)
 
-A single file, or array of files, to exclude when linting.
+A single [`picomatch`](https://github.com/micromatch/picomatch) pattern or an array of patterns controlling which files this plugin should explicitly include. Gets forwarded to the [`createFilter`](https://github.com/rollup/plugins/tree/master/packages/pluginutils#createfilter) method of `@rollup/pluginutils`.
 
-### formatter
+### `exclude`
 
-Type: `Function | String`<br>
-Default: `stylish`
+Type: `string | string[]`<br>
+Default: `'node_modules/**'`<br>
+Utilized by: [`@rollup/pluginutils`](https://github.com/rollup/plugins/tree/master/packages/pluginutils#createfilter)
 
-Custom error formatter or the name of a built-in formatter.
+A single [`picomatch`](https://github.com/micromatch/picomatch) pattern or an array of patterns controlling which files this plugin should explicitly exclude. Gets forwarded to the [`createFilter`](https://github.com/rollup/plugins/tree/master/packages/pluginutils#createfilter) method of `@rollup/pluginutils`.
 
 ## Meta