.eslintrc.json

{
    "root": true,
    "parser": "@typescript-eslint/parser",
    "extends": [
      "eslint:recommended",
      "plugin:@typescript-eslint/eslint-recommended",
      "plugin:@typescript-eslint/recommended",
      "airbnb-typescript/base",
      "plugin:import/errors",
      "plugin:import/warnings",
      "plugin:import/typescript",
      "prettier",
      "prettier/@typescript-eslint"
    ],
    "plugins": ["@typescript-eslint", "import", "prettier"],
    "env": {
      "node": true
    },
    "parserOptions": {
      "ecmaVersion": 2017,
      "sourceType": "module"
    },
    "rules": {
      "prettier/prettier": "error",
      "class-methods-use-this": "warn",
      "no-await-in-loop": "warn",
      "@typescript-eslint/no-inferrable-types": "off",
      "@typescript-eslint/no-var-requires": "off",
      "import/no-cycle": "off",
      "import/prefer-default-export": "off",
      "no-param-reassign": "off",
      "prefer-destructuring": "off"
    },
    "overrides": [
      {
        "files": ["lambda/src/**/*.ts"],
        "parser": "@typescript-eslint/parser",
        "rules": {
          "no-undef": "off",
          "import/no-unresolved": "off"
        }
      }
    ],
    "settings": {
      "import/resolver": {
        "node": {
          "paths": ["lambda/src"],
          "extensions": [".js", ".jsx", ".ts", ".tsx"],
          "moduleDirectory": ["node_modules"]
        }
      }
    }
  }