node/tools/eslint/lib/rules/no-void.js

/**
 * @fileoverview Rule to disallow use of void operator.
 * @author Mike Sidorov
 * @copyright 2014 Mike Sidorov. All rights reserved.
 */
"use strict";

//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------

module.exports = function(context) {

    //--------------------------------------------------------------------------
    // Public
    //--------------------------------------------------------------------------

    return {
        "UnaryExpression": function(node) {
            if (node.operator === "void") {
                context.report(node, "Expected 'undefined' and instead saw 'void'.");
            }
        }
    };

};

module.exports.schema = [];