msgpack-javascript/eslint.config.mjs at main · msgpack/msgpack-javascript · GitHub

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import path from "node:path";
import { fileURLToPath } from "node:url";

import { fixupConfigRules, fixupPluginRules } from "@eslint/compat";
import typescriptEslintEslintPlugin from "@typescript-eslint/eslint-plugin";
import tsdoc from "eslint-plugin-tsdoc";
import tsParser from "@typescript-eslint/parser";
import js from "@eslint/js";
import { FlatCompat } from "@eslint/eslintrc";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const compat = new FlatCompat({
  baseDirectory: __dirname,
  recommendedConfig: js.configs.recommended,
  allConfig: js.configs.all,
});

export default [
  {
    ignores: ["**/*.js", "test/deno*", "test/bun*"],
  },
  ...fixupConfigRules(
    compat.extends(
      "eslint:recommended",
      "plugin:@typescript-eslint/recommended",
      "plugin:import/recommended",
      "plugin:import/typescript",
      "prettier",
    ),
  ),
  {
    plugins: {
      "@typescript-eslint": fixupPluginRules(typescriptEslintEslintPlugin),
      tsdoc,
    },

    languageOptions: {
      parser: tsParser,
      ecmaVersion: 5,
      sourceType: "script",

      parserOptions: {
        project: "./tsconfig.json",
      },
    },

    settings: {},

    rules: {
      "no-constant-condition": [
        "warn",
        {
          checkLoops: false,
        },
      ],

      "no-useless-escape": "warn",
      "no-console": "warn",
      "no-var": "warn",
      "no-return-await": "warn",
      "prefer-const": "warn",
      "guard-for-in": "warn",
      curly: "warn",
      "no-param-reassign": "warn",
      "prefer-spread": "warn",
      "import/no-unresolved": "off",
      "import/no-cycle": "error",
      "import/no-default-export": "warn",
      "tsdoc/syntax": "warn",
      "@typescript-eslint/await-thenable": "warn",

      "@typescript-eslint/array-type": [
        "warn",
        {
          default: "generic",
        },
      ],

      "@typescript-eslint/naming-convention": [
        "warn",
        {
          selector: "default",
          format: ["camelCase", "UPPER_CASE", "PascalCase"],
          leadingUnderscore: "allow",
        },
        {
          selector: "typeLike",
          format: ["PascalCase"],
          leadingUnderscore: "allow",
        },
      ],

      "@typescript-eslint/restrict-plus-operands": "warn",
      //"@typescript-eslint/no-throw-literal": "warn",
      "@typescript-eslint/unbound-method": "warn",
      "@typescript-eslint/explicit-module-boundary-types": "warn",
      //"@typescript-eslint/no-extra-semi": "warn",
      "@typescript-eslint/no-extra-non-null-assertion": "warn",

      "@typescript-eslint/no-unused-vars": [
        "warn",
        {
          argsIgnorePattern: "^_",
        },
      ],

      "@typescript-eslint/no-use-before-define": "warn",
      "@typescript-eslint/no-for-in-array": "warn",
      "@typescript-eslint/no-unsafe-argument": "warn",
      "@typescript-eslint/no-unsafe-call": "warn",

      "@typescript-eslint/no-unnecessary-condition": [
        "warn",
        {
          allowConstantLoopConditions: true,
        },
      ],

      "@typescript-eslint/no-unnecessary-type-constraint": "warn",
      "@typescript-eslint/no-implied-eval": "warn",
      "@typescript-eslint/no-non-null-asserted-optional-chain": "warn",
      "@typescript-eslint/no-invalid-void-type": "warn",
      "@typescript-eslint/no-loss-of-precision": "warn",
      "@typescript-eslint/no-confusing-void-expression": "warn",
      "@typescript-eslint/no-redundant-type-constituents": "warn",
      "@typescript-eslint/prefer-for-of": "warn",
      "@typescript-eslint/prefer-includes": "warn",
      "@typescript-eslint/prefer-string-starts-ends-with": "warn",
      "@typescript-eslint/prefer-readonly": "warn",
      "@typescript-eslint/prefer-regexp-exec": "warn",
      "@typescript-eslint/prefer-nullish-coalescing": "warn",
      "@typescript-eslint/prefer-optional-chain": "warn",
      "@typescript-eslint/prefer-ts-expect-error": "warn",
      "@typescript-eslint/consistent-type-imports": [
        "error",
        {
          prefer: "type-imports",
          disallowTypeAnnotations: false,
        },
      ],
      "@typescript-eslint/indent": "off",
      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-empty-interface": "off",
      "@typescript-eslint/no-empty-function": "off",
      "@typescript-eslint/no-var-requires": "off",
      "@typescript-eslint/no-non-null-assertion": "off",
      "@typescript-eslint/ban-ts-comment": "off",
    },
  },
];