.eslintrc.json

{
  "env": {
    "es6": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:@typescript-eslint/eslint-recommended",
    "plugin:@typescript-eslint/recommended",
    "plugin:@typescript-eslint/recommended-requiring-type-checking",
    "plugin:jsdoc/recommended",
    "google",
    "prettier",
    "prettier/@typescript-eslint",
    "plugin:prettier/recommended"
  ],
  "rules": {
    "quotes": [
      "error",
      "double",
      {
        "avoidEscape": true
      }
    ],
    "sort-imports": [
      "error",
      {
        "ignoreCase": false,
        "ignoreDeclarationSort": true,
        "ignoreMemberSort": false,
        "memberSyntaxSortOrder": ["none", "all", "multiple", "single"]
      }
    ],
    "curly": 2,
    "jsdoc/newline-after-description": "off",
    /*
    "jsdoc/require-jsdoc": [
      "warn",
      {
        "publicOnly": true
      }
    ],
    */
    "prettier/prettier": ["error"],
    "valid-jsdoc": "off", // This is deprecated but included in recommended configs.
    "require-jsdoc": "off", // This rule is deprecated and superseded by jsdoc/require-jsdoc.
    "no-prototype-builtins": "warn", // TODO(bkendall): remove, allow to error.
    "no-restricted-globals": ["error", "name", "length"],
    "no-useless-escape": "warn", // TODO(bkendall): remove, allow to error.
    "prefer-const": "warn", // TODO(bkendall): remove, allow to error.
    "prefer-promise-reject-errors": "warn" // TODO(bkendall): remove, allow to error.
  },
  "overrides": [
    {
      "files": ["*.ts"],
      "rules": {
        "@typescript-eslint/interface-name-prefix": "off",
        "@typescript-eslint/await-thenable": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/ban-types": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/camelcase": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/explicit-function-return-type": [
          "warn",
          {
            "allowExpressions": true
          }
        ], // TODO(bkendall): SET to error.
        "@typescript-eslint/no-inferrable-types": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-misused-promises": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-unnecessary-type-assertion": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-use-before-define": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-var-requires": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/prefer-includes": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/prefer-regexp-exec": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/prefer-string-starts-ends-with": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/require-await": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/unbound-method": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-explicit-any": "off", // TODO(bkendall): remove, allow to error.

        "camelcase": "warn", // TODO(bkendall): remove, allow to error.
        "jsdoc/require-param-type": "off",
        "jsdoc/require-returns-type": "off",
        "new-cap": "warn", // TODO(bkendall): remove, allow to error.
        "no-case-declarations": "warn", // TODO(bkendall): remove, allow to error.
        "no-constant-condition": "warn", // TODO(bkendall): remove, allow to error.
        "no-fallthrough": "warn", // TODO(bkendall): remove, allow to error.
        "@typescript-eslint/no-unused-vars": [
          "error",
          { "argsIgnorePattern": "^_" }
        ], // TODO(bkendall): remove, allow to error.
        "require-atomic-updates": "warn" // TODO(bkendall): remove, allow to error.
      }
    },
    {
      "files": ["*.js"],
      "rules": {
        "@typescript-eslint/camelcase": "off",
        "@typescript-eslint/explicit-function-return-type": "off",
        "@typescript-eslint/no-empty-function": "off",
        "@typescript-eslint/no-misused-promises": "off",
        "@typescript-eslint/no-this-alias": "off",
        "@typescript-eslint/no-use-before-define": "off",
        "@typescript-eslint/no-var-requires": "off",
        "@typescript-eslint/prefer-includes": "off",
        "@typescript-eslint/prefer-regexp-exec": "off",
        "@typescript-eslint/unbound-method": "off",
        "no-invalid-this": "warn", // TODO(bkendall): remove, allow to error.
        "no-var": "warn" // TODO(bkendall): remove, allow to error.
      }
    },
    {
      "files": ["*.spec.*", "tests/**/*.ts"],
      "env": {
        "mocha": true
      },
      "rules": {
        "@typescript-eslint/no-unused-vars": [
          "error",
          { "argsIgnorePattern": "^_" }
        ], // TODO(bkendall): remove, allow to error.

        "@typescript-eslint/no-explicit-any": "off"
      }
    }
  ],
  "globals": {},
  "parserOptions": {
    "ecmaVersion": 2017,
    "project": ["tsconfig.json"],
    "sourceType": "module",
    "warnOnUnsupportedTypeScriptVersion": false
  },
  "plugins": ["prettier", "@typescript-eslint", "jsdoc"],
  "settings": {
    "jsdoc": {
      "tagNamePreference": {
        "returns": "return"
      }
    }
  },
  "parser": "@typescript-eslint/parser"
}