.eslintrc.json

{
  "plugins": ["jest", "@typescript-eslint"],
  "extends": ["plugin:github/recommended"],
  "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/no-unused-vars": "error",
    "@typescript-eslint/explicit-member-accessibility": ["error", { "accessibility": "no-public" }],
    "@typescript-eslint/no-require-imports": "error",
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/ban-ts-comment": "error",
    "curly": "error",
    "no-case-declarations": "warn",
    "no-console": "off",
    "no-debugger": "warn",
    "no-else-return": "warn",
    "no-param-reassign": "warn",
    "no-undef": "off",
    "camelcase": "off",
    "no-unused-vars": "off",
    "no-var": "warn",
    "object-shorthand": "warn",
    "@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-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": "warn",
    "@typescript-eslint/no-unnecessary-qualifier": "error",
    "@typescript-eslint/no-unnecessary-type-assertion": "error",
    "@typescript-eslint/no-useless-constructor": "error",
    "@typescript-eslint/no-var-requires": "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",
    "@typescript-eslint/restrict-plus-operands": "error",
    "@typescript-eslint/type-annotation-spacing": "error",
    "@typescript-eslint/unbound-method": "error",
    "prefer-const": "warn",
    "padding-line-between-statements": [
      "warn",
      {
        "blankLine": "always",
        "prev": "*",
        "next": "class"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "for"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "function"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "if"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "return"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "switch"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "try"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "while"
      },
      {
        "blankLine": "always",
        "prev": "block-like",
        "next": ["let", "const"]
      }
    ]
  },
  "env": {
    "node": true,
    "es6": true,
    "jest/globals": true
  },
  "overrides": [
    {
      "files": ["**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(test).[jt]s?(x)"],
      "rules": {
        "@typescript-eslint/no-explicit-any": "off",
        "filenames/match-regex": ["error", "^[a-z0-9-]+\\.test$"]
      }
    }
  ]
}