Simplify local eslint config

.pkgs/configs/eslint.d.ts

@@ -6,6 +6,11 @@ export declare const GLOB_TESTS: string[];
 export declare const GLOB_CONFIGS: string[];
 export declare const GLOB_SCRIPTS: string[];
 export declare const GLOB_IGNORES: readonly ["**/node_modules", "**/dist", "**/package-lock.json", "**/yarn.lock", "**/pnpm-lock.yaml", "**/bun.lockb", "**/output", "**/coverage", "**/temp", "**/.temp", "**/tmp", "**/.tmp", "**/.history", "**/.vitepress/cache", "**/.nuxt", "**/.next", "**/.vercel", "**/.changeset", "**/.idea", "**/.cache", "**/.output", "**/.vite-inspect", "**/.yarn", "**/storybook-static", "**/.eslint-config-inspector", "**/playwright-report", "**/.astro", "**/.vinxi", "**/app.config.timestamp_*.js", "**/.tanstack", "**/.nitro", "**/CHANGELOG*.md", "**/*.min.*", "**/LICENSE*", "**/__snapshots__", "**/auto-import?(s).d.ts", "**/components.d.ts", "**/vite.config.ts.*.mjs", "**/*.gen.*", "!.storybook"];
+export declare function buildIgnoreConfig(gitignore: string, ...rest: string[]): readonly [never, import("eslint/config").Config];
+export declare function buildParserOptions(tsconfigRootDir?: string): {
+    readonly projectService: true;
+    readonly tsconfigRootDir: string;
+};
 export declare const strictTypeChecked: Linter.Config[];
 export declare const disableTypeChecked: Linter.Config[];
 /**

.pkgs/configs/eslint.js

@@ -1,3 +1,4 @@
+import { includeIgnoreFile } from "@eslint/compat";
 import js from "@eslint/js";
 import stylistic from "@stylistic/eslint-plugin";
 import pluginDeMorgan from "eslint-plugin-de-morgan";
@@ -6,7 +7,7 @@ import { jsdoc } from "eslint-plugin-jsdoc";
 import pluginPerfectionist from "eslint-plugin-perfectionist";
 import pluginRegexp from "eslint-plugin-regexp";
 import pluginUnicorn from "eslint-plugin-unicorn";
-import { defineConfig } from "eslint/config";
+import { defineConfig, globalIgnores } from "eslint/config";
 import tseslint from "typescript-eslint";
 export const GLOB_JS = ["**/*.{js,jsx,cjs,mjs}"];
 export const GLOB_TS = ["**/*.{ts,tsx,cts,mts}"];
@@ -88,6 +89,21 @@ const p11tGroups = {
     },
     groups: ["id", "type", "meta", "alias", "rules", "unknown"],
 };
+export function buildIgnoreConfig(gitignore, ...rest) {
+    return [
+        includeIgnoreFile(gitignore, "Imported .gitignore patterns"),
+        globalIgnores([
+            ...GLOB_IGNORES,
+            ...rest,
+        ]),
+    ];
+}
+export function buildParserOptions(tsconfigRootDir = ".") {
+    return {
+        projectService: true,
+        tsconfigRootDir,
+    };
+}
 export const strictTypeChecked = defineConfig({
     ignores: GLOB_JS,
 }, {

.pkgs/configs/eslint.ts

@@ -1,3 +1,4 @@
+import { includeIgnoreFile } from "@eslint/compat";
 import js from "@eslint/js";
 import stylistic from "@stylistic/eslint-plugin";
 import type { Linter } from "eslint";
@@ -7,7 +8,7 @@ import { jsdoc } from "eslint-plugin-jsdoc";
 import pluginPerfectionist from "eslint-plugin-perfectionist";
 import pluginRegexp from "eslint-plugin-regexp";
 import pluginUnicorn from "eslint-plugin-unicorn";
-import { defineConfig } from "eslint/config";
+import { defineConfig, globalIgnores } from "eslint/config";
 import tseslint from "typescript-eslint";
 
 export const GLOB_JS = ["**/*.{js,jsx,cjs,mjs}"];
@@ -98,6 +99,23 @@ const p11tGroups = {
   groups: ["id", "type", "meta", "alias", "rules", "unknown"],
 };
 
+export function buildIgnoreConfig(gitignore: string, ...rest: string[]) {
+  return [
+    includeIgnoreFile(gitignore, "Imported .gitignore patterns") as never,
+    globalIgnores([
+      ...GLOB_IGNORES,
+      ...rest,
+    ]),
+  ] as const;
+}
+
+export function buildParserOptions(tsconfigRootDir: string = ".") {
+  return {
+    projectService: true,
+    tsconfigRootDir,
+  } as const;
+}
+
 export const strictTypeChecked: Linter.Config[] = defineConfig(
   {
     ignores: GLOB_JS,

.pkgs/configs/package.json

@@ -22,16 +22,19 @@
     "@eslint/js": "^9.39.1",
     "@stylistic/eslint-plugin": "^5.5.0",
     "eslint-plugin-de-morgan": "^2.0.0",
-    "eslint-plugin-function": "^0.0.34",
-    "eslint-plugin-function-rule": "^0.0.16",
+    "eslint-plugin-function": "^0.0.35",
+    "eslint-plugin-function-rule": "^0.0.17",
     "eslint-plugin-jsdoc": "^61.2.1",
     "eslint-plugin-perfectionist": "^4.15.1",
     "eslint-plugin-regexp": "^2.10.0",
     "eslint-plugin-unicorn": "^62.0.0",
-    "typescript-eslint": "^8.46.4"
+    "typescript-eslint": "^8.47.0"
   },
   "peerDependencies": {
     "eslint": "^9.39.1",
+    "typedoc": "0.28.14",
+    "typedoc-plugin-markdown": "^4.9.0",
+    "typedoc-plugin-mdn-links": "^5.0.10",
     "typescript": "^5.9.3"
   }
 }

.pkgs/function-rules/package.json

@@ -21,11 +21,11 @@
     "lint:ts": "tsc --noEmit"
   },
   "dependencies": {
-    "eslint-plugin-function-rule": "^0.0.16"
+    "eslint-plugin-function-rule": "^0.0.17"
   },
   "devDependencies": {
     "eslint": "^9.39.1",
-    "tsdown": "^0.16.4"
+    "tsdown": "^0.16.5"
   },
   "peerDependencies": {
     "eslint": "^9.39.1",

apps/website/package.json

@@ -13,14 +13,14 @@
     "@eslint-react/eff": "workspace:*",
     "bsky-react-post": "^0.1.7",
     "clsx": "^2.1.1",
-    "effect": "^3.19.3",
-    "fumadocs-core": "16.0.11",
+    "effect": "^3.19.4",
+    "fumadocs-core": "16.0.13",
     "fumadocs-docgen": "3.0.4",
-    "fumadocs-mdx": "13.0.8",
+    "fumadocs-mdx": "14.0.1",
     "fumadocs-twoslash": "3.1.10",
     "fumadocs-typescript": "4.0.13",
-    "fumadocs-ui": "16.0.11",
-    "lucide-react": "^0.553.0",
+    "fumadocs-ui": "16.0.13",
+    "lucide-react": "^0.554.0",
     "next": "^16.0.3",
     "next-view-transitions": "^0.3.4",
     "react": "^19.2.0",
@@ -38,12 +38,12 @@
     "@tailwindcss/postcss": "^4.1.17",
     "@theguild/remark-mermaid": "^0.3.0",
     "@tsconfig/next": "^2.0.4",
-    "@tsconfig/node22": "^22.0.3",
+    "@tsconfig/node22": "^22.0.5",
     "@tsconfig/strictest": "^2.0.8",
     "@types/hast": "^3.0.4",
     "@types/mdx": "^2.0.13",
     "@types/node": "^24.10.1",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "dedent": "^1.7.0",
     "eslint": "^9.39.1",
@@ -55,6 +55,6 @@
     "tailwindcss": "^4.1.17",
     "tailwindcss-animated": "^2.0.0",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.4"
+    "typescript-eslint": "^8.47.0"
   }
 }

eslint.config.ts

@@ -1,12 +1,12 @@
 import { fileURLToPath } from "node:url";
 
-import { includeIgnoreFile } from "@eslint/compat";
 import {
   GLOB_CONFIGS,
-  GLOB_IGNORES,
   GLOB_SCRIPTS,
   GLOB_TESTS,
   GLOB_TS,
+  buildIgnoreConfig,
+  buildParserOptions,
   disableProblematicEslintJsRules,
   disableTypeChecked,
   strictTypeChecked,
@@ -15,22 +15,22 @@ import { nullishComparison, templateExpression } from "@local/function-rules";
 import { recommended as fastImportRecommended } from "eslint-plugin-fast-import";
 import { functionRule } from "eslint-plugin-function-rule";
 import pluginVitest from "eslint-plugin-vitest";
-import { defineConfig, globalIgnores } from "eslint/config";
+import { defineConfig } from "eslint/config";
 import tseslint from "typescript-eslint";
 
-const dirname = fileURLToPath(new URL(".", import.meta.url));
-const gitignore = fileURLToPath(new URL(".gitignore", import.meta.url));
+const ignoreConfig = buildIgnoreConfig(
+  fileURLToPath(new URL(".gitignore", import.meta.url)),
+  "apps",
+  "docs",
+  "test",
+  "examples",
+  "**/*.d.ts",
+);
+
+const parserOptions = buildParserOptions(fileURLToPath(new URL(".", import.meta.url)));
 
 export default defineConfig(
-  includeIgnoreFile(gitignore, "Imported .gitignore patterns") as never,
-  globalIgnores([
-    ...GLOB_IGNORES,
-    "apps",
-    "docs",
-    "test",
-    "examples",
-    "**/*.d.ts",
-  ]),
+  ...ignoreConfig,
   {
     extends: [
       tseslint.configs.strictTypeChecked,
@@ -41,25 +41,11 @@ export default defineConfig(
     files: GLOB_TS,
     languageOptions: {
       parser: tseslint.parser,
-      parserOptions: {
-        projectService: true,
-        tsconfigRootDir: dirname,
-      },
+      parserOptions,
     },
     plugins: {
       "function-rule-1": functionRule(templateExpression()),
       "function-rule-2": functionRule(nullishComparison()),
-
-      custom: functionRule((context) => ({
-        CallExpression(node) {
-          if (context.sourceCode.getText(node.callee) === "Date.now") {
-            context.report({
-              node,
-              message: "Don't use 'Date.now()'.",
-            });
-          }
-        },
-      })),
     },
     rules: {
       "fast-import/no-unused-exports": "off",
@@ -91,10 +77,7 @@ export default defineConfig(
       globals: {
         ...pluginVitest.environments.env.globals,
       },
-      parserOptions: {
-        projectService: true,
-        tsconfigRootDir: dirname,
-      },
+      parserOptions,
     },
     plugins: {
       vitest: pluginVitest,

examples/next/package.json

@@ -21,16 +21,16 @@
     "@eslint/js": "^9.39.1",
     "@next/eslint-plugin-next": "^16.0.3",
     "@tsconfig/next": "^2.0.4",
-    "@tsconfig/node22": "^22.0.3",
+    "@tsconfig/node22": "^22.0.5",
     "@tsconfig/strictest": "^2.0.8",
     "@types/node": "^24.10.1",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "eslint": "^9.39.1",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.4"
+    "typescript-eslint": "^8.47.0"
   },
   "engines": {
     "node": ">=20.19.0"

examples/react-dom-js/package.json

@@ -18,7 +18,7 @@
     "@eslint-react/eslint-plugin": "workspace:*",
     "@eslint/config-inspector": "^1.3.0",
     "@eslint/js": "^9.39.1",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
     "eslint": "^9.39.1",

examples/react-dom/package.json

@@ -18,17 +18,17 @@
     "@eslint-react/eslint-plugin": "workspace:*",
     "@eslint/config-inspector": "^1.3.0",
     "@eslint/js": "^9.39.1",
-    "@tsconfig/node22": "^22.0.3",
+    "@tsconfig/node22": "^22.0.5",
     "@tsconfig/strictest": "^2.0.8",
     "@tsconfig/vite-react": "^7.0.2",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
     "eslint": "^9.39.1",
     "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-refresh": "^0.4.24",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.4",
+    "typescript-eslint": "^8.47.0",
     "vite": "^7.2.2"
   },
   "engines": {

examples/with-babel-eslint-parser/package.json

@@ -23,7 +23,7 @@
     "@eslint/js": "^9.39.1",
     "@types/babel__core": "~7.20.5",
     "@types/babel__preset-env": "~7.10.0",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
     "eslint": "^9.39.1",

examples/with-ts-blank-eslint-parser/package.json

@@ -19,10 +19,10 @@
     "@eslint-react/shared": "workspace:*",
     "@eslint/config-inspector": "^1.3.0",
     "@eslint/js": "^9.39.1",
-    "@tsconfig/node22": "^22.0.3",
+    "@tsconfig/node22": "^22.0.5",
     "@tsconfig/strictest": "^2.0.8",
     "@tsconfig/vite-react": "^7.0.2",
-    "@types/react": "^19.2.5",
+    "@types/react": "^19.2.6",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
     "eslint": "^9.39.1",
@@ -31,7 +31,7 @@
     "globals": "^16.5.0",
     "ts-blank-eslint-parser": "^0.4.4",
     "typescript": "^5.9.3",
-    "typescript-eslint": "^8.46.4",
+    "typescript-eslint": "^8.47.0",
     "vite": "^7.2.2"
   },
   "engines": {