.eslintrc

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "import"],
  "ignorePatterns": ["**/dist/**/*.js"],
  "extends": [
    "eslint:recommended",
    "plugin:import/typescript",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking"
  ],
  "parserOptions": {
    "ecmaVersion": "latest",
    "sourceType": "module",
    "ecmaFeatures": {
      "modules": true
    },
    "project": "./tsconfig.base.json"
  },
  "env": {
    "es6": true,
    "node": true
  },
  "rules": {
    "@typescript-eslint/unbound-method": ["error", { "ignoreStatic": true }],
    "no-unused-vars": "off", // Must disable the base rule as it can report incorrect errors
    "@typescript-eslint/no-unused-vars": ["error", { "ignoreRestSiblings": true }],
    "@typescript-eslint/naming-convention": [
      "error",
      { "selector": "variableLike", "format": ["camelCase", "PascalCase"] }
    ],
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true
      }
    ],
    "no-extra-semi": "off",
    "@typescript-eslint/no-extra-semi": "off",
    "@typescript-eslint/no-non-null-asserted-optional-chain": "error",
    "eqeqeq": "error",
    "no-extra-boolean-cast": "error",
    "require-await": "off",
    "@typescript-eslint/require-await": "off", // This interferes with the case of having a callback that is typed to return a promise but you don't use await in the body
    "@typescript-eslint/prefer-regexp-exec": "error",
    "@typescript-eslint/ban-ts-comment": "error",
    "@typescript-eslint/no-use-before-define": "error",
    "@typescript-eslint/no-empty-interface": "off",
    "@typescript-eslint/no-var-requires": "error",
    "@typescript-eslint/no-inferrable-types": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "error",
    "@typescript-eslint/no-empty-function": "off",
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/prefer-includes": "error",
    "@typescript-eslint/no-misused-promises": "error",
    "@typescript-eslint/ban-types": "error",
    "@typescript-eslint/no-unsafe-member-access": "error",
    "@typescript-eslint/no-unsafe-call": "error",
    "@typescript-eslint/no-unsafe-assignment": "error",
    "@typescript-eslint/prefer-nullish-coalescing": "off",
    "@typescript-eslint/prefer-optional-chain": "off",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/strict-boolean-expressions": "error",
    "@typescript-eslint/no-unnecessary-condition": "error",
    "@typescript-eslint/no-floating-promises": [
      "error",
      {
        "ignoreVoid": true
      }
    ],
    "no-return-await": "off",
    "@typescript-eslint/return-await": "error",
    "no-unreachable": "error",
    "import/no-default-export": "error",
    "import/no-anonymous-default-export": "error",
    "prefer-const": "error",
    "no-else-return": "error",
    "@typescript-eslint/no-explicit-any": "off",
    "@typescript-eslint/member-delimiter-style": "off", // Covered by prettier
    "@typescript-eslint/explicit-module-boundary-types": "off", // We're covered by @typescript-eslint/explicit-function-return-type
    "@typescript-eslint/no-unsafe-return": "error",
    "@typescript-eslint/restrict-template-expressions": "error",
    "@typescript-eslint/restrict-plus-operands": "error"
  }
}