no-mixed-spaces-and-tabs

Most code conventions require either tabs or spaces be used for indentation. As such, it's usually an error if a single line of code is indented with both tabs and spaces.

Rule Details

This rule disallows mixed spaces and tabs for indentation.

Examples of incorrect code for this rule:

/* eslint @stylistic/no-mixed-spaces-and-tabs: "error" */

function add(x, y) {
	 
 return x + y;
}

function main() {
	var x = 5,
	 
   y = 7;
}

incorrect

Examples of correct code for this rule:

/* eslint @stylistic/no-mixed-spaces-and-tabs: "error" */

function add(x, y) {
	return x + y;
}

correct

Options

This rule has a string option.

• "smart-tabs" allows mixed tabs and spaces when the spaces are used for alignment.

smart-tabs

Examples of correct code for this rule with the "smart-tabs" option:

/* eslint @stylistic/no-mixed-spaces-and-tabs: ["error", "smart-tabs"] */

function main() {
	var x = 5,
	    y = 7;
}

correct