.eslintrc.json

{
    "overrides": [
        {
            "files": ["*.astro"],
            "extends": ["plugin:astro/recommended", "plugin:astro/jsx-a11y-recommended"],
            "parser": "astro-eslint-parser",
            "parserOptions": {
                "parser": "@typescript-eslint/parser",
                "extraFileExtensions": [".astro"]
            }
        },
        {
            "files": ["*.ts"],
            "plugins": ["@typescript-eslint"],
            "extends": [
                "eslint:recommended",
                "plugin:@typescript-eslint/recommended",
                "plugin:import/recommended",
                "plugin:import/typescript"
            ],
            "parser": "@typescript-eslint/parser",
            "parserOptions": {
                "project": "./tsconfig.json",
                "ecmaVersion": "latest",
                "sourceType": "module"
            },
            "env": {
                "browser": true,
                "es2020": true
            },
            "settings": {
                "import/extensions": [".js", ".jsx", ".ts", ".tsx"],
                "import/parsers": {
                    "@typescript-eslint/parser": [".js", ".jsx", ".ts", ".tsx"]
                },
                "import/resolver": {
                    "typescript": {},
                    "node": {
                        "extensions": [".js", ".jsx", ".ts", ".tsx", ".json"],
                        "paths": ["src"]
                    }
                }
            },
            "rules": {
                "@typescript-eslint/ban-ts-comment": [
                    "error",
                    {
                        "ts-ignore": "allow-with-description",
                        "minimumDescriptionLength": 10
                    }
                ],
                "@typescript-eslint/consistent-type-imports": [
                    "error",
                    {
                        "prefer": "type-imports",
                        "disallowTypeAnnotations": true
                    }
                ],
                "@typescript-eslint/method-signature-style": ["error", "method"],
                "@typescript-eslint/no-confusing-non-null-assertion": "error",
                "@typescript-eslint/no-explicit-any": "error",
                "@typescript-eslint/no-extra-non-null-assertion": "error",
                "@typescript-eslint/no-non-null-asserted-nullish-coalescing": "error",
                "@typescript-eslint/no-unused-vars": "error",
                "@typescript-eslint/prefer-optional-chain": "error",
                "@typescript-eslint/strict-boolean-expressions": [
                    "error",
                    {
                        "allowString": false,
                        "allowNumber": false,
                        "allowNullableObject": false,
                        "allowNullableBoolean": false,
                        "allowNullableString": false,
                        "allowNullableNumber": false,
                        "allowAny": false,
                        "allowRuleToRunWithoutStrictNullChecksIKnowWhatIAmDoing": false
                    }
                ],
                "@typescript-eslint/triple-slash-reference": "warn",
                "import/exports-last": "error",
                "import/extensions": [
                    "error",
                    "never",
                    {
                        "json": "always"
                    }
                ],
                "import/first": "error",
                "import/group-exports": "error",
                "import/no-duplicates": "error",
                "import/no-absolute-path": "error",
                "import/no-cycle": "error",
                "import/no-namespace": "error",
                "import/no-mutable-exports": "error",
                "import/no-self-import": "error",
                "import/no-unresolved": "warn",
                "import/no-unused-modules": [
                    "off",
                    {
                        "missingExports": false,
                        "unusedExports": false,
                        "ignoreExports": ["src/**/*.test.*"]
                    }
                ],
                "import/no-useless-path-segments": "error",
                "import/order": [
                    "error",
                    {
                        "alphabetize": {
                            "order": "asc",
                            "caseInsensitive": true
                        },
                        "groups": ["builtin", "external", "internal", "parent", "sibling", "index", "object"],
                        "newlines-between": "always",
                        "pathGroups": [
                            {
                                "pattern": "react",
                                "group": "builtin",
                                "position": "before"
                            }
                        ],
                        "pathGroupsExcludedImportTypes": ["builtin"]
                    }
                ]
            }
        }
    ]
}