.eslintrc

{
  "extends": [
    // Enable eslint recommended, and the few overrides necessary to work with TS
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",

    // Enable recommended rules specific to TS
    "plugin:@typescript-eslint/recommended",

    // Enable rules that are types aware
    "plugin:@typescript-eslint/recommended-requiring-type-checking",

    // React rules
    "plugin:react/recommended"
  ],
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint"],
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "project": "./tsconfig.json"
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "rules": {
    // Enforce `I` prefix for interfaces, as I like it that way
    "@typescript-eslint/interface-name-prefix": [
      "error",
      {
        "prefixWithI": "always",
        "allowUnderscorePrefix": true
      }
    ],

    // Allow using `any`, as it's sometimes easier with external API
    "@typescript-eslint/no-explicit-any": "off",

    // Do not require return types on all functions, as the inference engine is good enough to figure it out
    "@typescript-eslint/explicit-function-return-type": "off",

    // It is convenient being able to declare functions after they're used
    "@typescript-eslint/no-use-before-define": "off",

    // It is erroring when declaring global functions on the window object, which is annoying
    "@typescript-eslint/unbound-method": ["off"],

    "@typescript-eslint/camelcase": ["error", {
      "ignoreDestructuring": true,
      "properties": "never"
    }]
  }
}