.eslintrc.json

{
	"root": true,
	"parserOptions": {
		"project": "./tsconfig.json"
	},
	"extends": [
		"next",
		"airbnb",
		"airbnb-typescript",
		"plugin:@typescript-eslint/recommended",
		"plugin:eslint-comments/recommended",
		"plugin:etc/recommended",
		"plugin:react-etc/recommended",
		"plugin:tailwindcss/recommended",
		"prettier",
		"prettier/prettier"
	],
	"plugins": ["simple-import-sort"],
	"rules": {
		/* Auto-sort imports and exports */
		"simple-import-sort/imports": "error",
		"simple-import-sort/exports": "error",
		"sort-imports": "off",
		"import/order": "off",
		/* Custom preferences */
		"@typescript-eslint/array-type": "error",
		"@typescript-eslint/consistent-indexed-object-style": [
			"error",
			"index-signature" // Prevent ambiguity with Records & Tuples
		],
		"@typescript-eslint/consistent-type-assertions": "error",
		"@typescript-eslint/explicit-module-boundary-types": "off", // Reduce bloat
		"@typescript-eslint/method-signature-style": "error", // Force type safety
		"@typescript-eslint/no-dynamic-delete": "error", // Use Map/Set structures
		"@typescript-eslint/no-invalid-void-type": "error", // Force type safety
		"@typescript-eslint/no-unnecessary-type-constraint": "error",
		"@typescript-eslint/prefer-optional-chain": "error",
		"@typescript-eslint/prefer-ts-expect-error": "error", // Force type safety
		"import/no-anonymous-default-export": "error", // For named React components
		"import/no-default-export": "error", // Default exports are confusing
		"import/prefer-default-export": "off",
		"jsx-a11y/anchor-is-valid": "off", // Doesn't play well with Next `<Link>`
		"prefer-exponentiation-operator": "error", // Auto-fix for an inherited rule
		"react/react-in-jsx-scope": "off", // React is always in scope with Next
		"react/require-default-props": "off" // React `defaultProps` are deprecated
	},
	"overrides": [
		{
			"files": ["*.js"],
			"rules": {
				"@typescript-eslint/no-var-requires": "off" // Allow CommonJS imports
			}
		},
		{
			"files": ["*.tsx"],
			"rules": {
				"@typescript-eslint/consistent-type-definitions": ["error", "type"],
				"react/jsx-props-no-spreading": "off" // TypeScript makes this safe
			}
		},
		{
			"files": ["./src/**"],
			"rules": {
				"import/no-default-export": "off",
				"import/prefer-default-export": "off"
			}
		},
		{
			"files": ["./src/pages/api/**"],
			"rules": {
				"import/no-anonymous-default-export": "off",
				"import/prefer-default-export": "off"
			}
		}
	]
}