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noDebugger

src/content/docs/linter/rules/no-debugger.mdx

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import { Tabs, TabItem } from '@astrojs/starlight/components';

<Tabs> <TabItem label="JavaScript (and super languages)" icon="seti:javascript"> ## Summary - Rule available since: `v1.0.0` - Diagnostic Category: [`lint/suspicious/noDebugger`](/reference/diagnostics#diagnostic-category) - This rule is **recommended**, meaning it is enabled by default. - This rule has an [**unsafe**](/linter/#unsafe-fixes) fix. - The default severity of this rule is [**error**](/reference/diagnostics#error). - Sources: - Same as [`no-debugger`](https://eslint.org/docs/latest/rules/no-debugger)

How to configure

json
{
	"linter": {
		"rules": {
			"suspicious": {
				"noDebugger": "error"
			}
		}
	}
}

Description

Disallow the use of debugger

Examples

Invalid

js
debugger;
<pre class="language-text"><code class="language-text">code-block.js:1:1 <a href="https://biomejs.dev/linter/rules/no-debugger">lint/suspicious/noDebugger</a> <span style="color: #000; background-color: #ddd;"> FIXABLE </span> ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ <strong><span style="color: Tomato;">✖</span></strong> <span style="color: Tomato;">This is an unexpected use of the </span><span style="color: Tomato;"><strong>debugger</strong></span><span style="color: Tomato;"> statement.</span> <strong><span style="color: Tomato;">&gt;</span></strong> <strong>1 │ </strong>debugger; <strong> │ </strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong><strong><span style="color: Tomato;">^</span></strong> <strong>2 │ </strong> <strong><span style="color: lightgreen;">ℹ</span></strong> <span style="color: lightgreen;">Unsafe fix</span><span style="color: lightgreen;">: </span><span style="color: lightgreen;">Remove debugger statement</span> <strong> 1 │ </strong><span style="color: Tomato;">d</span><span style="color: Tomato;">e</span><span style="color: Tomato;">b</span><span style="color: Tomato;">u</span><span style="color: Tomato;">g</span><span style="color: Tomato;">g</span><span style="color: Tomato;">e</span><span style="color: Tomato;">r</span><span style="color: Tomato;">;</span> <strong> │ </strong><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span><span style="color: Tomato;">-</span> </code></pre>

Valid

js
const test = { debugger: 1 };
test.debugger;
</TabItem> </Tabs>