Initial commit

packages/eslint-config/README.md

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+# `@workspace/eslint-config`
+
+Shared eslint configuration for the workspace.

packages/eslint-config/base.js

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+import js from "@eslint/js"
+import eslintConfigPrettier from "eslint-config-prettier"
+import onlyWarn from "eslint-plugin-only-warn"
+import turboPlugin from "eslint-plugin-turbo"
+import tseslint from "typescript-eslint"
+
+/**
+ * A shared ESLint configuration for the repository.
+ *
+ * @type {import("eslint").Linter.Config}
+ * */
+export const config = [
+  js.configs.recommended,
+  eslintConfigPrettier,
+  ...tseslint.configs.recommended,
+  {
+    plugins: {
+      turbo: turboPlugin,
+    },
+    rules: {
+      "turbo/no-undeclared-env-vars": "warn",
+    },
+  },
+  {
+    plugins: {
+      onlyWarn,
+    },
+  },
+  {
+    ignores: ["dist/**"],
+  },
+]

packages/eslint-config/next.js

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+import js from "@eslint/js"
+import pluginNext from "@next/eslint-plugin-next"
+import eslintConfigPrettier from "eslint-config-prettier"
+import pluginReact from "eslint-plugin-react"
+import pluginReactHooks from "eslint-plugin-react-hooks"
+import globals from "globals"
+import tseslint from "typescript-eslint"
+
+import { config as baseConfig } from "./base.js"
+
+/**
+ * A custom ESLint configuration for libraries that use Next.js.
+ *
+ * @type {import("eslint").Linter.Config}
+ * */
+export const nextJsConfig = [
+  ...baseConfig,
+  js.configs.recommended,
+  eslintConfigPrettier,
+  ...tseslint.configs.recommended,
+  {
+    ...pluginReact.configs.flat.recommended,
+    languageOptions: {
+      ...pluginReact.configs.flat.recommended.languageOptions,
+      globals: {
+        ...globals.serviceworker,
+      },
+    },
+  },
+  {
+    plugins: {
+      "@next/next": pluginNext,
+    },
+    rules: {
+      ...pluginNext.configs.recommended.rules,
+      ...pluginNext.configs["core-web-vitals"].rules,
+    },
+  },
+  {
+    plugins: {
+      "react-hooks": pluginReactHooks,
+    },
+    settings: { react: { version: "detect" } },
+    rules: {
+      ...pluginReactHooks.configs.recommended.rules,
+      // React scope no longer necessary with new JSX transform.
+      "react/react-in-jsx-scope": "off",
+      "react/prop-types": "off",
+    },
+  },
+]

packages/eslint-config/package.json

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+{
+  "name": "@workspace/eslint-config",
+  "version": "0.0.0",
+  "type": "module",
+  "private": true,
+  "exports": {
+    "./base": "./base.js",
+    "./next-js": "./next.js",
+    "./react-internal": "./react-internal.js"
+  },
+  "devDependencies": {
+    "@next/eslint-plugin-next": "^15.1.7",
+    "@typescript-eslint/eslint-plugin": "^8.24.1",
+    "@typescript-eslint/parser": "^8.24.1",
+    "eslint": "^9.20.1",
+    "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-only-warn": "^1.1.0",
+    "eslint-plugin-react": "^7.37.4",
+    "eslint-plugin-react-hooks": "^5.1.0",
+    "eslint-plugin-turbo": "^2.4.2",
+    "globals": "^15.15.0",
+    "typescript": "^5.7.3",
+    "typescript-eslint": "^8.24.1"
+  }
+}

packages/eslint-config/react-internal.js

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+import js from "@eslint/js"
+import eslintConfigPrettier from "eslint-config-prettier"
+import pluginReact from "eslint-plugin-react"
+import pluginReactHooks from "eslint-plugin-react-hooks"
+import globals from "globals"
+import tseslint from "typescript-eslint"
+
+import { config as baseConfig } from "./base.js"
+
+/**
+ * A custom ESLint configuration for libraries that use React.
+ *
+ * @type {import("eslint").Linter.Config} */
+export const config = [
+  ...baseConfig,
+  js.configs.recommended,
+  eslintConfigPrettier,
+  ...tseslint.configs.recommended,
+  pluginReact.configs.flat.recommended,
+  {
+    languageOptions: {
+      ...pluginReact.configs.flat.recommended.languageOptions,
+      globals: {
+        ...globals.serviceworker,
+        ...globals.browser,
+      },
+    },
+  },
+  {
+    plugins: {
+      "react-hooks": pluginReactHooks,
+    },
+    settings: { react: { version: "detect" } },
+    rules: {
+      ...pluginReactHooks.configs.recommended.rules,
+      // React scope no longer necessary with new JSX transform.
+      "react/react-in-jsx-scope": "off",
+      "react/prop-types": "off",
+    },
+  },
+]