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import js from "@eslint/js";
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import { defineConfig } from "eslint/config";
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import reactHooks from "eslint-plugin-react-hooks";
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import reactRefresh from "eslint-plugin-react-refresh";
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import globals from "globals";
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import tseslint from "typescript-eslint";
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export default defineConfig(
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  {
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    ignores: [
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      "dist/**",
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      "node_modules/**",
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      ".reference/**",
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      "playwright-report/**",
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      "test-results/**",
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      "worker-configuration.d.ts",
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      "src/client/lib/emoji/generated/**",
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    ],
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  },
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  {
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    files: ["**/*.{js,mjs,cjs,ts,tsx}"],
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    languageOptions: {
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      ecmaVersion: "latest",
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      sourceType: "module",
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      globals: {
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        ...globals.browser,
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        ...globals.node,
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      },
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    },
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  },
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  js.configs.recommended,
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  ...tseslint.configs.recommended,
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  {
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    files: ["**/*.{ts,tsx}"],
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    languageOptions: {
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      parserOptions: {
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        ecmaFeatures: {
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          jsx: true,
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        },
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      },
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    },
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    rules: {
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      // TypeScript's noUnusedLocals/noUnusedParameters are authoritative here.
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      // Keep ESLint focused on React Compiler and runtime-safety rules.
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      "no-unused-vars": "off",
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      "@typescript-eslint/no-unused-vars": "off",
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    },
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  },
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  {
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    files: ["src/client/**/*.{js,ts,tsx}"],
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    rules: {
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      "no-restricted-imports": [
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        "error",
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        {
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          patterns: [
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            {
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              group: ["@/sites/**", "@/worker/**"],
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              message: "Client code must use shared contracts instead of importing Sites server or Worker modules.",
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            },
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          ],
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        },
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      ],
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    },
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  },
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  {
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    files: ["src/sites/**/*.{js,ts,tsx}", "src/worker/**/*.{js,ts,tsx}"],
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    rules: {
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      "no-restricted-imports": [
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        "error",
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        {
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          patterns: [
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            {
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              group: ["@/client/**", "@/shared/browser/**"],
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              message: "Worker and Sites server code must stay free of client and browser-only shared modules.",
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            },
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          ],
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        },
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      ],
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    },
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  },
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  {
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    files: ["src/shared/**/*.{js,ts,tsx}"],
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    rules: {
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      "no-restricted-imports": [
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        "error",
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        {
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          patterns: [
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            {
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              group: ["@/client/**", "@/sites/**", "@/worker/**"],
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              message: "Shared modules must not depend on runtime-specific client, Sites server, or Worker modules.",
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            },
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          ],
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        },
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      ],
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    },
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  },
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  {
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    files: ["src/client/**/*.{ts,tsx}", "src/shared/browser/**/*.{ts,tsx}"],
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    ...reactHooks.configs.flat["recommended-latest"],
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  },
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  {
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    files: ["src/client/**/*.tsx"],
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    ...reactRefresh.configs.vite,
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  },
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);