.eslintrc.json

{
    //"extends": [],
    "overrides": [
        {
            "rules": {
                "indent": "off",
                "@typescript-eslint/indent": ["warn", 4, {"SwitchCase": 1}],
                "comma-dangle": "off",
                "@typescript-eslint/comma-dangle": ["error", "never"],
                "import/newline-after-import": "off",
                "@typescript-eslint/import/newline-after-import": "off",
                "no-use-before-define": "off",
                "@typescript-eslint/no-use-before-define": "off",
                "spaced-comment": "off",
                "@typescript-eslint/spaced-comment": "off",
                "max-len": "off",
                "@typescript-eslint/max-len": ["warn", {"code": 120, "ignoreTemplateLiterals": true, "ignoreStrings": true, "ignoreComments": true}],
                "no-console": "off",
                "@typescript-eslint/no-console": "off",
                "no-trailing-spaces": "off",
                "@typescript-eslint/no-trailing-spaces": "off",
                "lines-between-class-members": "off",
                "@typescript-eslint/lines-between-class-members": "off"
            },

            "extends": "airbnb-typescript/base",
            "files": ["*.ts"], // Your TypeScript files extension
            "parserOptions": {
                "project": ["./tsconfig.json"] // Specify it only for TypeScript files
            }
        },
        {
            "rules": {
                "indent": ["warn", 4, {"SwitchCase": 1}],
                "comma-dangle": ["error", "never"],
                "import/newline-after-import": "off",
                "no-use-before-define": "off",
                "spaced-comment": "off",
                "max-len": ["warn", {"code": 120, "ignoreTemplateLiterals": true, "ignoreStrings": true, "ignoreComments": true}],
                "no-console": "off",
                "no-trailing-spaces": "off",
                "lines-between-class-members": "off"
            },
            "extends": "airbnb-base",
            "files": ["*.js"]
        }
    ],
    "plugins": [
        "only-warn"
    ],
    "parserOptions": {
        "ecmaVersion": 2017
    },

    "env": {
        "es6": true
    }
}