.eslintrc.json

{
    "root": true,
    "env": {
        "node": true,
        "commonjs": true,
        "es6": true
    },
    "parser": "@typescript-eslint/parser",
    "plugins": [
      "@typescript-eslint"
    ],
    "extends": [
        "eslint:recommended",
        "plugin:@typescript-eslint/recommended",
        "plugin:@typescript-eslint/recommended-requiring-type-checking",
        "prettier",
        "plugin:prettier/recommended"
    ],
    "parserOptions": {
        "ecmaVersion": 2018,
        "project": "tsconfig.json"
    },
    "overrides": [
        {
          "files": [ "test/*.ts" ],
          "env": {
              "jasmine": true
          },
          "parserOptions": {
            "project": "test/tsconfig.json"
          }
        }
    ],
    "rules": {
        // All module boundaries are internal or just for tests
        "@typescript-eslint/explicit-module-boundary-types": "off",
        "@typescript-eslint/prefer-regexp-exec": "off",
        "@typescript-eslint/no-var-requires": "off"
    }
}