/** * @fileoverview Rule to disallow use of void operator. * @author Mike Sidorov */ "use strict"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ module.exports = { meta: { docs: { description: "disallow `void` operators", category: "Best Practices", recommended: false }, schema: [] }, create(context) { //-------------------------------------------------------------------------- // Public //-------------------------------------------------------------------------- return { UnaryExpression(node) { if (node.operator === "void") { context.report({ node, message: "Expected 'undefined' and instead saw 'void'." }); } } }; } };