.eslintrc.json

{
  "root": true,
  "plugins": ["jest", "@typescript-eslint"],
  "extends": [
    "plugin:github/recommended",
    "plugin:github/typescript",
    "plugin:import/typescript"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 9,
    "sourceType": "module",
    "project": "./tsconfig.eslint.json"
  },
  "rules": {
    "i18n-text/no-en": "off",
    "eslint-comments/no-use": "off",
    "import/no-namespace": "off",
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {"accessibility": "no-public"}
    ],
    "@typescript-eslint/no-require-imports": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {"allowExpressions": true}
    ],
    "@typescript-eslint/func-call-spacing": ["error", "never"],
    "@typescript-eslint/no-array-constructor": "error",
    "@typescript-eslint/no-extraneous-class": "error",
    "@typescript-eslint/no-non-null-assertion": "warn",
    "@typescript-eslint/no-unnecessary-qualifier": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "@typescript-eslint/prefer-for-of": "warn",
    "@typescript-eslint/prefer-function-type": "warn",
    "@typescript-eslint/prefer-includes": "error",
    "@typescript-eslint/prefer-string-starts-ends-with": "error",
    "@typescript-eslint/promise-function-async": "error",
    "@typescript-eslint/require-array-sort-compare": "error",
    "semi": "off",
    "@typescript-eslint/semi": ["error", "never"],
    "@typescript-eslint/type-annotation-spacing": "error",
    "filenames/match-regex": ["error", "^[a-z0-9-]+(.d|.config|.test)?$"]
  },
  "env": {
    "node": true,
    "es6": true,
    "jest/globals": true
  },
  "settings": {
    "import/resolver": {
      "typescript": true,
      "node": true
    }
  }
}