.eslintrc.json

{
  "extends": ["eslint:recommended", "plugin:prettier/recommended"],
  "parserOptions": {
    "ecmaVersion": 2017,
    "sourceType": "module"
  },

  "env": {
    "es6": true
  },
  "root": true,
  "overrides": [
    {
      "files": ["packages/**/*.ts", "packages/**/*.tsx"],
      "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/eslint-recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:import/errors",
        "plugin:import/warnings",
        "plugin:import/typescript",
        "plugin:prettier/recommended"
      ],
      "parser": "@typescript-eslint/parser",
      "parserOptions": {"project": ["./tsconfig.json"]},
      "plugins": ["@typescript-eslint"],
      "rules": {
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-non-null-assertion": "off",
        "@typescript-eslint/no-empty-interface": "off",

        "@typescript-eslint/array-type": ["error", {"default": "array-simple"}],
        "@typescript-eslint/consistent-indexed-object-style": [
          "error",
          "record"
        ],
        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/no-unused-vars": [
          "warn",
          {
            "argsIgnorePattern": "^_",
            "varsIgnorePattern": "^_",
            "caughtErrorsIgnorePattern": "^_"
          }
        ]
      }
    },
    {
      "files": [
        "packages/**/*.{test,spec}.{ts,tsx}",
        "packages/**/__tests__/*.{ts,tsx}"
      ],
      "extends": ["plugin:jest/all"],
      "env": {"jest": true},
      "plugins": ["jest"]
    }
  ]
}