.eslintrc.json

{
  "env": {
    "es6": true,
    "jest/globals": true,
    "node": true
  },
  "extends": ["plugin:github/recommended"],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 9,
    "project": "./tsconfig.eslint.json",
    "sourceType": "module"
  },
  "plugins": ["jest", "@typescript-eslint"],
  "rules": {
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/ban-ts-comment": "error",
    "@typescript-eslint/consistent-type-assertions": "error",
    "@typescript-eslint/explicit-function-return-type": [
      "error",
      {
        "allowExpressions": true
      }
    ],
    "@typescript-eslint/explicit-member-accessibility": [
      "error",
      {
        "accessibility": "no-public"
      }
    ],
    "@typescript-eslint/func-call-spacing": ["error", "never"],
    "@typescript-eslint/no-array-constructor": "error",
    "@typescript-eslint/no-empty-interface": "error",
    "@typescript-eslint/no-explicit-any": "error",
    "@typescript-eslint/no-extraneous-class": "error",
    "@typescript-eslint/no-for-in-array": "error",
    "@typescript-eslint/no-inferrable-types": "error",
    "@typescript-eslint/no-misused-new": "error",
    "@typescript-eslint/no-namespace": "error",
    "@typescript-eslint/no-non-null-assertion": "error",
    "@typescript-eslint/no-require-imports": "error",
    "@typescript-eslint/no-unnecessary-qualifier": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "error",
    "@typescript-eslint/no-unused-vars": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "@typescript-eslint/no-var-requires": "error",
    "@typescript-eslint/prefer-for-of": "error",
    "@typescript-eslint/prefer-function-type": "error",
    "@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",
    "@typescript-eslint/restrict-plus-operands": "error",
    "@typescript-eslint/semi": ["error", "never"],
    "@typescript-eslint/type-annotation-spacing": "error",
    "@typescript-eslint/unbound-method": "error",
    "camelcase": "error",
    "eslint-comments/no-use": "error",
    "i18n-text/no-en": "off",
    "import/no-namespace": "error",
    "no-unused-vars": "error",
    "semi": "off"
  },
  // eslint doesn't know about the global NodeJS variable
  "globals": {
    "NodeJS": true
  },
  "overrides": [
    {
      "files": "__tests__/**/*.ts",
      "env": {"jest": true, "node": true},
      "rules": {
        "filenames/match-regex": 0
      }
    }
  ]
}