.eslintrc.json

{
  "root": true,
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/recommended-type-checked"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": "latest",
    "project": [ "./tsconfig.json" ]
  },
  "plugins": [ "@typescript-eslint" ],
  "rules": {
    "consistent-return": "warn",
    "eqeqeq": "warn",
    "no-alert": "warn",
    "no-empty": [ "warn", { "allowEmptyCatch": true } ],
    "no-eval": "error",
    "@typescript-eslint/comma-dangle": [ "warn", "always-multiline" ],
    "@typescript-eslint/member-delimiter-style": [ "warn", { "singleline": { "requireLast": true } } ],
    "@typescript-eslint/no-confusing-void-expression": [ "warn", { "ignoreArrowShorthand": true } ],
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/no-misused-promises": [ "error", { "checksVoidReturn": false } ],
    "@typescript-eslint/no-non-null-assertion": "warn",
    "@typescript-eslint/no-redundant-type-constituents": "off",
    "@typescript-eslint/no-unnecessary-type-assertion": "off",
    "@typescript-eslint/no-unsafe-assignment": "off",
    "@typescript-eslint/no-unsafe-argument": "off",
    "@typescript-eslint/no-unsafe-call": "off",
    "@typescript-eslint/no-unsafe-enum-comparison": "off",
    "@typescript-eslint/no-unsafe-member-access": "off",
    "@typescript-eslint/no-unsafe-return": "off",
    "@typescript-eslint/no-unused-vars": [ "warn", { "argsIgnorePattern": "^_", "ignoreRestSiblings": true } ],
    "@typescript-eslint/quotes": "warn",
    "@typescript-eslint/return-await": "warn",
    "@typescript-eslint/require-await": "off",
    "@typescript-eslint/switch-exhaustiveness-check": "warn",
    "@typescript-eslint/unbound-method": "off"
  },
  "overrides": [
    {
      "files": [ "*.test.ts", "*.test.tsx" ],
      "rules": {
        "@typescript-eslint/no-explicit-any": "off",
        "@typescript-eslint/no-non-null-assertion": "off"
      }
    },
    {
      "files": [ "*.tsx" ],
      "rules": {
        "consistent-return": "off"
      }
    }
  ]
}