.eslintrc.json

{
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
  "env": {
    "browser": true,
    "es6": true,
    "mocha": true
  },
  "plugins": ["@typescript-eslint"],
  "rules": {
    "@typescript-eslint/ban-types": ["warn"],
    "@typescript-eslint/naming-convention": [
      "warn",
      {
        "selector": "default",
        "format": ["camelCase", "PascalCase"]
      },
      {
        "selector": "variable",
        "format": ["camelCase", "UPPER_CASE"]
      },
      {
        "selector": "property",
        "format": ["camelCase", "UPPER_CASE"]
      },
      {
        "selector": "typeLike",
        "format": ["PascalCase"]
      },
      {
        "selector": "enumMember",
        "format": ["UPPER_CASE"]
      },
      {
        "selector": "parameter",
        "format": ["camelCase"],
        "leadingUnderscore": "allow"
      }
    ],
    "@typescript-eslint/indent": ["off"],
    "@typescript-eslint/no-empty-function": ["warn"],
    "@typescript-eslint/no-inferrable-types": ["warn"],
    "@typescript-eslint/no-this-alias": ["warn"],
    "prefer-const": ["warn"],
    "prefer-spread": ["warn"],
    "no-var": ["warn"],
    // note you must disable the base rule as it can report incorrect errors
    "no-unused-vars": "off",
    "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }]
  }
}