.eslintrc-base.json

{
    "parser": "@typescript-eslint/parser",
    "plugins": ["@typescript-eslint"],
    "parserOptions": {
        "ecmaVersion": 8,
        "sourceType": "module",
        "ecmaFeatures": {
        },

        "tsconfigRootDir": "./src",
        "useJSXTextNode": true,
        "warnOnUnsupportedTypeScriptVersion": true
    },
    "rules": {
        "func-call-spacing": "off",
        "@typescript-eslint/func-call-spacing": ["error"],
        "@typescript-eslint/no-floating-promises": ["error"],
        "@typescript-eslint/no-for-in-array": ["error"],
        "@typescript-eslint/no-misused-promises": [
            "off",
            {
              "checksVoidReturn": true,
              "checksConditionals": true
            }
        ],
        "@typescript-eslint/no-non-null-assertion": ["error"],
        "@typescript-eslint/no-this-alias": [
            "error",
            {
                "allowDestructuring": false,
                "allowedNames": []
            }
        ],
        "@typescript-eslint/prefer-for-of": ["error"],

        "no-return-await": ["error"],
        "require-await": "off",
        "@typescript-eslint/require-await": "off",
        "@typescript-eslint/promise-function-async": ["off"],

        "@typescript-eslint/strict-boolean-expressions": ["error"],
        "@typescript-eslint/type-annotation-spacing": [
            "off",
            {
                "before": true,
                "after": true
            }
        ],
        "@typescript-eslint/prefer-string-starts-ends-with": ["error"],
        "@typescript-eslint/unbound-method": ["error"]
    }
  }