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fix: resolve "circular structure" error in ESLint & complete Flat Config setup #550

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fix: resolve "circular structure" error in ESLint & complete Flat Config setup #550

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52 changes: 40 additions & 12 deletions eslint.config.mjs
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Original file line number Diff line number Diff line change
@@ -1,16 +1,44 @@
import { dirname } from "path";
import { fileURLToPath } from "url";
import { FlatCompat } from "@eslint/eslintrc";
import js from "@eslint/js";
import tseslint from "typescript-eslint";
import nextPlugin from "@next/eslint-plugin-next";
import reactPlugin from "eslint-plugin-react";
import hooksPlugin from "eslint-plugin-react-hooks";

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
export default tseslint.config(
// 1. Global Ignores
{
ignores: [".next/*", "node_modules/*", "**/*.d.ts", "migrations/*"],
},

const compat = new FlatCompat({
baseDirectory: __dirname,
});
// 2. Base JS & TS Recommended rules
js.configs.recommended,
...tseslint.configs.recommended,

const eslintConfig = [
...compat.extends("next/core-web-vitals", "next/typescript"),
];
// 3. Next.js & React Plugin Composition
{
plugins: {
"@next/next": nextPlugin,
react: reactPlugin,
"react-hooks": hooksPlugin,
},
rules: {
// Spread recommended rules from plugins
...reactPlugin.configs.recommended.rules,
...hooksPlugin.configs.recommended.rules,
...nextPlugin.configs.recommended.rules,
...nextPlugin.configs["core-web-vitals"].rules,

export default eslintConfig;
// React 17+ JSX Transform compatibility
"react/react-in-jsx-scope": "off",

// Custom TS rules
"@typescript-eslint/no-unused-vars": "warn",
"@typescript-eslint/no-explicit-any": "warn",
},
settings: {
react: {
version: "detect",
},
},
}
);
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