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/ESLint

disallow all tabs (no-tabs)

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

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

Examples of incorrect code for this rule:

var a \t= 2;

/**
* \t\t it's a test function
*/
function test(){}

var x = 1; // \t test

Examples of correct code for this rule:

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:

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

function test() {
\tdoSomething();
}

\t// comment with leading indentation tab

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