typescript-eslint · bradzacher · Feb 3, 2024 · Feb 1, 2024 · Feb 3, 2024 · Feb 3, 2024
diff --git a/packages/eslint-plugin-internal/src/index.ts b/packages/eslint-plugin-internal/src/index.ts
@@ -1,5 +1,17 @@
+import type { Linter } from '@typescript-eslint/utils/ts-eslint';
+
 import rules from './rules';
 
+// note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
+const { name, version } = require('../package.json') as {
+  name: string;
+  version: string;
+};
+
 export = {
   rules,
-};
+  meta: {
+    name,
+    version,
+  },
+} satisfies Linter.Plugin;
diff --git a/packages/eslint-plugin-internal/src/rules/index.ts b/packages/eslint-plugin-internal/src/rules/index.ts
@@ -1,3 +1,5 @@
+import type { Linter } from '@typescript-eslint/utils/ts-eslint';
+
 import noPoorlyTypedTsProps from './no-poorly-typed-ts-props';
 import noTypescriptDefaultImport from './no-typescript-default-import';
 import noTypescriptEstreeImport from './no-typescript-estree-import';
@@ -10,4 +12,4 @@ export default {
   'no-typescript-estree-import': noTypescriptEstreeImport,
   'plugin-test-formatting': pluginTestFormatting,
   'prefer-ast-types-enum': preferASTTypesEnum,
-};
+} satisfies Linter.PluginRules;
diff --git a/packages/eslint-plugin-tslint/src/index.ts b/packages/eslint-plugin-tslint/src/index.ts
@@ -1,9 +1,22 @@
+import type { Linter } from '@typescript-eslint/utils/ts-eslint';
+
 import configRule from './rules/config';
 
+// note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
+const { name, version } = require('../package.json') as {
+  name: string;
+  version: string;
+};
+
+export const meta: Linter.PluginMeta = {
+  name,
+  version,
+};
+
 /**
  * Expose a single rule called "config", which will be accessed in the user's eslint config files
  * via "tslint/config"
  */
-export const rules = {
+export const rules: Linter.PluginRules = {
   config: configRule,
 };
diff --git a/packages/eslint-plugin/src/configs/all.ts b/packages/eslint-plugin/src/configs/all.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -151,4 +153,4 @@ export = {
     '@typescript-eslint/unbound-method': 'error',
     '@typescript-eslint/unified-signatures': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/base.ts b/packages/eslint-plugin/src/configs/base.ts
@@ -5,8 +5,10 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   parser: '@typescript-eslint/parser',
   parserOptions: { sourceType: 'module' },
   plugins: ['@typescript-eslint'],
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/disable-type-checked.ts b/packages/eslint-plugin/src/configs/disable-type-checked.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   parserOptions: { project: null, program: null },
   rules: {
@@ -59,4 +61,4 @@ export = {
     '@typescript-eslint/switch-exhaustiveness-check': 'off',
     '@typescript-eslint/unbound-method': 'off',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/eslint-recommended.ts b/packages/eslint-plugin/src/configs/eslint-recommended.ts
@@ -3,6 +3,8 @@
  * - disables rules from eslint:recommended which are already handled by TypeScript.
  * - enables rules that make sense due to TS's typechecking / transpilation.
  */
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   overrides: [
     {
@@ -31,4 +33,4 @@ export = {
       },
     },
   ],
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/recommended-type-checked.ts b/packages/eslint-plugin/src/configs/recommended-type-checked.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -50,4 +52,4 @@ export = {
     '@typescript-eslint/triple-slash-reference': 'error',
     '@typescript-eslint/unbound-method': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/recommended.ts b/packages/eslint-plugin/src/configs/recommended.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -29,4 +31,4 @@ export = {
     '@typescript-eslint/prefer-as-const': 'error',
     '@typescript-eslint/triple-slash-reference': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/strict-type-checked.ts b/packages/eslint-plugin/src/configs/strict-type-checked.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -75,4 +77,4 @@ export = {
     '@typescript-eslint/unbound-method': 'error',
     '@typescript-eslint/unified-signatures': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/strict.ts b/packages/eslint-plugin/src/configs/strict.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -39,4 +41,4 @@ export = {
     '@typescript-eslint/triple-slash-reference': 'error',
     '@typescript-eslint/unified-signatures': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/stylistic-type-checked.ts b/packages/eslint-plugin/src/configs/stylistic-type-checked.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -31,4 +33,4 @@ export = {
     '@typescript-eslint/prefer-optional-chain': 'error',
     '@typescript-eslint/prefer-string-starts-ends-with': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/configs/stylistic.ts b/packages/eslint-plugin/src/configs/stylistic.ts
@@ -5,6 +5,8 @@
 // For developers working in the typescript-eslint monorepo:
 // You can regenerate it using `yarn generate:configs`
 
+import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';
+
 export = {
   extends: ['./configs/base', './configs/eslint-recommended'],
   rules: {
@@ -25,4 +27,4 @@ export = {
     '@typescript-eslint/prefer-function-type': 'error',
     '@typescript-eslint/prefer-namespace-keyword': 'error',
   },
-};
+} satisfies ClassicConfig.Config;
diff --git a/packages/eslint-plugin/src/index.ts b/packages/eslint-plugin/src/index.ts
@@ -1,3 +1,5 @@
+import type { Linter } from '@typescript-eslint/utils/ts-eslint';
+
 import all from './configs/all';
 import base from './configs/base';
 import disableTypeChecked from './configs/disable-type-checked';
@@ -10,6 +12,12 @@ import stylistic from './configs/stylistic';
 import stylisticTypeChecked from './configs/stylistic-type-checked';
 import rules from './rules';
 
+// note - cannot migrate this to an import statement because it will make TSC copy the package.json to the dist folder
+const { name, version } = require('../package.json') as {
+  name: string;
+  version: string;
+};
+
 export = {
   configs: {
     all,
@@ -25,5 +33,9 @@ export = {
     stylistic,
     'stylistic-type-checked': stylisticTypeChecked,
   },
+  meta: {
+    name,
+    version,
+  },
   rules,
-};
+} satisfies Linter.Plugin;
diff --git a/packages/eslint-plugin/src/rules/index.ts b/packages/eslint-plugin/src/rules/index.ts
@@ -1,3 +1,5 @@
+import type { Linter } from '@typescript-eslint/utils/ts-eslint';
+
 import adjacentOverloadSignatures from './adjacent-overload-signatures';
 import arrayType from './array-type';
 import awaitThenable from './await-thenable';
@@ -278,4 +280,4 @@ export default {
   typedef: typedef,
   'unbound-method': unboundMethod,
   'unified-signatures': unifiedSignatures,
-};
+} satisfies Linter.PluginRules;
diff --git a/packages/repo-tools/src/generate-configs.mts b/packages/repo-tools/src/generate-configs.mts
@@ -142,7 +142,11 @@ async function main(): Promise<void> {
     console.log(chalk.blueBright(`\n${hyphens} ${name}.ts ${hyphens}`));
 
     // note: we use `export =` because ESLint will import these configs via a commonjs import
-    const code = `export = ${JSON.stringify(getConfig())};`;
+    const code = [
+      "import type { ClassicConfig } from '@typescript-eslint/utils/ts-eslint';",
+      '',
+      `export = ${JSON.stringify(getConfig())} satisfies ClassicConfig.Config;`,
+    ].join('\n');
     const configStr = await prettier.format(addAutoGeneratedComment(code), {
       parser: 'typescript',
       ...prettierConfig,

diff --git a/packages/utils/src/ts-eslint/Config.ts b/packages/utils/src/ts-eslint/Config.ts
@@ -31,6 +31,17 @@ export namespace SharedConfig {
   }
 
   export type ParserOptions = ParserOptionsTypes.ParserOptions;
+
+  export interface PluginMeta {
+    /**
+     * The meta.name property should match the npm package name for your plugin.
+     */
+    name: string;
+    /**
+     * The meta.version property should match the npm package version for your plugin.
+     */
+    version: string;
+  }
 }
 
 export namespace ClassicConfig {
@@ -121,6 +132,7 @@ export namespace FlatConfig {
   export type GlobalsConfig = SharedConfig.GlobalsConfig;
   export type Parser = ParserType.LooseParserModule;
   export type ParserOptions = SharedConfig.ParserOptions;
+  export type PluginMeta = SharedConfig.PluginMeta;
   export type Processor = ProcessorType.ProcessorModule;
   export type RuleEntry = SharedConfig.RuleEntry;
   export type RuleLevel = SharedConfig.RuleLevel;
@@ -134,16 +146,6 @@ export namespace FlatConfig {
   export interface SharedConfigs {
     [key: string]: Config;
   }
-  export interface PluginMeta {
-    /**
-     * The meta.name property should match the npm package name for your plugin.
-     */
-    name: string;
-    /**
-     * The meta.version property should match the npm package version for your plugin.
-     */
-    version: string;
-  }
   export interface Plugin {
     /**
      * Shared configurations bundled with the plugin.

diff --git a/packages/utils/src/ts-eslint/Linter.ts b/packages/utils/src/ts-eslint/Linter.ts
@@ -5,7 +5,13 @@ import { Linter as ESLintLinter } from 'eslint';
 import type { ClassicConfig, FlatConfig, SharedConfig } from './Config';
 import type { Parser } from './Parser';
 import type { Processor as ProcessorType } from './Processor';
-import type { RuleCreateFunction, RuleFix, RuleModule } from './Rule';
+import type {
+  AnyRuleCreateFunction,
+  AnyRuleModule,
+  RuleCreateFunction,
+  RuleFix,
+  RuleModule,
+} from './Rule';
 import type { SourceCode } from './SourceCode';
 
 export type MinimalRuleModule<
@@ -118,6 +124,7 @@ namespace Linter {
   export type GlobalVariableOption = SharedConfig.GlobalVariableOption;
   export type GlobalVariableOptionBase = SharedConfig.GlobalVariableOptionBase;
   export type ParserOptions = SharedConfig.ParserOptions;
+  export type PluginMeta = SharedConfig.PluginMeta;
   export type RuleEntry = SharedConfig.RuleEntry;
   export type RuleLevel = SharedConfig.RuleLevel;
   export type RuleLevelAndOptions = SharedConfig.RuleLevelAndOptions;
@@ -262,6 +269,13 @@ namespace Linter {
     parserOptions?: ParserOptions;
   }
 
+  // TODO - RuleCreateFunction is no longer supported in ESLint v9
+  export type LegacyPluginRules = Record<
+    string,
+    AnyRuleCreateFunction | AnyRuleModule
+  >;
+  export type PluginRules = Record<string, AnyRuleModule>;
+
   export interface Plugin {
     /**
      * The definition of plugin configs.
@@ -271,14 +285,18 @@ namespace Linter {
      * The definition of plugin environments.
      */
     environments?: Record<string, Environment>;
+    /**
+     * Metadata about your plugin for easier debugging and more effective caching of plugins.
+     */
+    meta?: PluginMeta;
     /**
      * The definition of plugin processors.
      */
     processors?: Record<string, ProcessorType.ProcessorModule>;
     /**
      * The definition of plugin rules.
      */
-    rules?: Record<string, RuleCreateFunction | RuleModule<string, unknown[]>>;
+    rules?: LegacyPluginRules;
   }
 }