eslint/no-void Restriction

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Disallows the use of the void operator.

The void operator is often used to get undefined, but this is unnecessary because undefined can be used directly instead.

Examples of incorrect code for this rule:

void 0;
var foo = void 0;

Examples of correct code for this rule:

"var foo = bar()";
"foo.void()";
"foo.void = bar";

Configuration

This rule accepts a configuration object with the following properties:

type: boolean

default: false

If set to true, using void as a standalone statement is allowed.

To enable this rule using the config file or in the CLI, you can use:

Config (.oxlintrc.json)Config (oxlint.config.ts)CLI

json

{
  "rules": {
    "no-void": "error"
  }
}

import { defineConfig } from "oxlint";

export default defineConfig({
  rules: {
    "no-void": "error",
  },
});

bash

oxlint --deny no-void

This rule was added in v0.2.5.