.eslintrc

{
    "root": true,
    "extends": [
        "eslint:recommended",
    ],
    "env": {
        "node": true,
        "jest": true
    },
    "overrides": [
        // TS
        {
            "files": ["**/*.ts"],
            "parser": "@typescript-eslint/parser",
            "plugins": [
                "@typescript-eslint"
            ],
            "extends": [
                "eslint:recommended",
                "plugin:@typescript-eslint/eslint-recommended",
                "plugin:@typescript-eslint/recommended"
            ],
            "rules": {
                // "indent": [1, 4],
                "semi": 1, // will be autofixed
                "no-extra-semi": 1, // will be autofixed
                "no-undef": 1,
                "prefer-const": 1,
                "no-cond-assign": 0,
                "no-unused-labels": 1,
                "no-useless-escape": 1,
                "no-fallthrough": 0,
                "no-case-declarations": 1,


                "@typescript-eslint/no-extra-semi": 1, // will be autofixed
                "@typescript-eslint/no-non-null-assertion": 0,
                "@typescript-eslint/explicit-module-boundary-types": 0,
                "@typescript-eslint/no-inferrable-types": 0,
            },
        },

        // TS TESTS
        {
            "files": ["**/*.test.ts"],
            "parser": "@typescript-eslint/parser",
            "plugins": [
                "@typescript-eslint"
            ],
            "extends": [
                "eslint:recommended",
                "plugin:@typescript-eslint/eslint-recommended",
                "plugin:@typescript-eslint/recommended"
            ],
            "rules": {
                // "indent": [1, 4],
                "semi": 1, // will be autofixed
                "no-extra-semi": 1, // will be autofixed
                "no-undef": 1,
                "prefer-const": 0,
                "no-cond-assign": 0,
                "no-unused-labels": 1,
                "no-useless-escape": 1,
                "no-fallthrough": 0,
                "no-case-declarations": 1,
                "no-unused-vars": 0,


                "@typescript-eslint/no-extra-semi": 1, // will be autofixed
                "@typescript-eslint/no-non-null-assertion": 0,
                "@typescript-eslint/explicit-module-boundary-types": 0,
                "@typescript-eslint/no-inferrable-types": 0,
                "@typescript-eslint/no-explicit-any": 0,
            },
        },

        // JS
        {
            "files": ["**/*.js"],
            "env": {
                "node": true,
                "jest": true,
                "es6": true,
            },
            "rules": {
                // "indent": [1, 4],
                "semi": 1, // will be autofixed
                "no-extra-semi": 1, // will be autofixed
                "no-undef": 1,
                "prefer-const": 1,
                "no-cond-assign": 0,
                "no-unused-labels": 1,
                "no-useless-escape": 1,
                "no-fallthrough": 0,
                "no-case-declarations": 1,


                "@typescript-eslint/ban-ts-comment": 0
            },
            "parserOptions": {
                "sourceType": "module",
                "ecmaVersion": 8,
            }
        }
    ],
}