oxlint.json

{
  "$schema": "https://raw.githubusercontent.com/oxc-project/oxc/refs/heads/main/npm/oxlint/configuration_schema.json",
  "categories": {
    "correctness": "error"
  },
  "rules": {
    "const-comparisons": "error",
    "no-cond-assign": "error",
    "no-const-assign": "error",
    "no-debugger": "error",
    "no-dupe-class-members": "error",
    "no-dupe-keys": "error",
    "no-empty-pattern": "error",
    "import/no-duplicates": "error",

    "no-control-regex": "off",

    "no-useless-escape": "off",
    "no-this-alias": "off", // many intentional this aliases
    "triple-slash-reference": "off", // many intentional triple slash references

    // This rule is dumb.
    // Array.from is MUCH slower than new Array(size).
    "no-new-array": "off",

    // We have custom thenables. This is not a bug.
    "no-thenable": "off",

    "no-undef-init": "error",

    // We use this in some cases. The ordering is deliberate.
    "no-unsafe-finally": "off",

    // We use !!$debug to check if the debugger is enabled.
    // Boolean() is also generally slower than !!.
    "no-extra-boolean-cast": "off",

    // Eslint is not a type checker.
    "no-throw-literal": "off"
  },
  "ignorePatterns": [
    "vendor",
    "build",
    "bench",
    "bench/react-hello-world/*.js",
    "bun.lock",

    "test/js/node/**/parallel/**",
    "test/js/node/test/fixtures", // full of JS with intentional syntax errors
    "test/snippets/**",
    "test/regression/issue/14477/*.tsx",
    "test/js/**/*bad.js",
    "test/bundler/transpiler/decorators.test.ts", // uses `arguments` as decorator
    "test/bundler/native-plugin.test.ts", // parser doesn't handle import metadata
    "test/bundler/transpiler/with-statement-works.js", // parser doesn't allow `with` statement
    "test/js/node/module/extensions-fixture", // these files are not meant to be linted
    "test/cli/run/module-type-fixture",
    "test/bundler/transpiler/with-statement-works.js", // parser doesn't allow `with` statement

    // TODO: fix these
    "src/js/node/http2.ts",
    "src/js/node/http.ts"
  ],

  "overrides": [
    {
      "files": ["test/**", "examples/**", "packages/bun-internal/test/runners/**"],
      "rules": {
        "no-unused-vars": "off",
        "no-unused-private-class-members": "off",
        "no-unnecessary-await": "off"
      }
    },
    {
      "files": ["test/**", "bench/**"],
      "rules": {
        "no-shadow-restricted-names": "off",
        "no-empty-file": "off",
        "no-unnecessary-await": "off"
      }
    }
  ]
}