.eslintrc.json

{
    "env": {
        "browser": false,
        "es2021": true,
        "node": true
    },
    "extends": ["standard", "prettier"],
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "ecmaVersion": 12,
        "sourceType": "module"
    },
    "plugins": ["@typescript-eslint", "prettier"],
    "rules": {
        "@typescript-eslint/no-use-before-define": ["error"],
        "import/extensions": [2, { "ts": "never", "tsx": "never" }],
        "import/no-extraneous-dependencies": [
            "error",
            {
                "devDependencies": [
                    "test.{ts,tsx}", // repos with a single test file
                    "test-*.{ts,tsx}", // repos with multiple top-level test files
                    "**/*{.,_}{test,spec}.{ts,tsx}", // tests where the extension or filename suffix denotes that it is a test
                    "**/jest.config.ts", // jest config
                    "**/jest.setup.ts" // jest setup
                ],
                "optionalDependencies": false
            }
        ],
        "import/no-unresolved": [0],
        "indent": [
            "error",
            4,
            { "SwitchCase": 1, "offsetTernaryExpressions": false }
        ],
        "no-undef": "off",
        "no-use-before-define": "off",
        "prettier/prettier": [2, { "useTabs": false }]
    }
}