.eslintrc.json

{
  "env": {
    "es6": true,
    "jest/globals": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking"
  ],
  "parser": "@typescript-eslint/parser",
  "parserOptions": {
    "ecmaVersion": 9,
    "project": "./tsconfig.test.json",
    "sourceType": "module"
  },
  "plugins": [
    "@typescript-eslint",
    "github",
    "jest"
  ],
  "root": true,
  "rules": {
    // ---------------------------------------------
    // We rely on typescript's compiler noUnusedLocals option
    "@typescript-eslint/no-unused-vars": "off",
    "no-unused-vars": "off",
    // ---------------------------------------------
    "@typescript-eslint/adjacent-overload-signatures": "error",
    "@typescript-eslint/array-type": "error",
    "@typescript-eslint/await-thenable": "error",
    "@typescript-eslint/ban-ts-ignore": "error",
    "@typescript-eslint/ban-types": "error",
    "@typescript-eslint/camelcase": "error",
    "@typescript-eslint/class-name-casing": "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/indent": [
      "error",
      2
    ],
    "@typescript-eslint/member-delimiter-style": "error",
    "@typescript-eslint/no-array-constructor": "error",
    "@typescript-eslint/no-empty-function": "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-use-before-define": "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-namespace-keyword": "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",
      "always"
    ],
    "@typescript-eslint/triple-slash-reference": "error",
    "@typescript-eslint/type-annotation-spacing": "error",
    "@typescript-eslint/unbound-method": "error",
    "@typescript-eslint/unified-signatures": "error",
    "camelcase": "error",
    "comma-dangle": [
      "error",
      "always-multiline"
    ],
    "complexity": [
      "error",
      {
        "max": 10
      }
    ],
    "constructor-super": "error",
    "dot-notation": "error",
    "eqeqeq": [
      "error",
      "smart"
    ],
    "func-style": [
      "error",
      "expression"
    ],
    "guard-for-in": "error",
    "id-blacklist": [
      "error",
      "any",
      "Number",
      "number",
      "String",
      "string",
      "Boolean",
      "boolean",
      "Undefined",
      "undefined"
    ],
    "id-match": "error",
    "max-classes-per-file": [
      "error",
      1
    ],
    "max-len": [
      "error",
      {
        "code": 88
      }
    ],
    "new-parens": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-cond-assign": "error",
    "no-debugger": "error",
    "no-empty": "error",
    "no-eval": "error",
    "no-invalid-this": "error",
    "no-multiple-empty-lines": "error",
    "no-new-wrappers": "error",
    "no-shadow": [
      "error",
      {
        "hoist": "all"
      }
    ],
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef-init": "error",
    "no-underscore-dangle": "error",
    "no-unsafe-finally": "error",
    "no-unused-expressions": "error",
    "no-unused-labels": "error",
    "no-var": "error",
    "object-shorthand": "error",
    "one-var": [
      "error",
      "never"
    ],
    "prefer-const": "error",
    "radix": "error",
    "spaced-comment": "error",
    // TODO add and configure "import" plugin for advanced import sorting
    // ref: https://github.com/benmosher/eslint-plugin-import/blob/master/README.md
    // ref: https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
    "sort-imports": "error",
    "use-isnan": "error"
  }
}