/** * @fileoverview Restrict comparing against `true` or `false`. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ "use strict"; // ----------------------------------------------------------------------------- // Rule Definition // ----------------------------------------------------------------------------- module.exports = function(context) { // --------------------------------------------------------------------------- // Public // -------------------------------------------------------------------------- return { BinaryExpression(node) { if ( ["==", "!="].includes(node.operator) && (["true", "false"].includes(node.left.raw) || ["true", "false"].includes(node.right.raw)) ) { context.report( node, "Don't compare for inexact equality against boolean literals" ); } }, }; };