title	rule_type
no-tabs	layout

This rule was deprecated in ESLint v8.53.0. Please use the corresponding rule in @stylistic/eslint-plugin-js.

Some style guides don't allow the use of tab characters at all, including within comments.

Rule Details

This rule looks for tabs anywhere inside a file: code, comments or anything else.

Examples of incorrect code for this rule:

::: incorrect

/* eslint no-tabs: "error" */

var a 	= 2;

/**
* 		 it's a test function
*/
function test(){}

var x = 1; // 	 test

:::

Examples of correct code for this rule:

::: correct

/* eslint no-tabs: "error" */

var a = 2;

/**
* it's a test function
*/
function test(){}

var x = 1; // test

:::

This rule has an optional object option with the following properties:

allowIndentationTabs (default: false): If this is set to true, then the rule will not report tabs used for indentation.

Examples of correct code for this rule with the allowIndentationTabs: true option:

::: correct

/* eslint no-tabs: ["error", { allowIndentationTabs: true }] */

function test() {
	doSomething();
}

	// comment with leading indentation tab

:::

When Not To Use It

If you have established a standard where having tabs is fine, then you can disable this rule.