/** * @fileoverview Rule to flag when using constructor for wrapper objects * @author Ilya Volodin */ "use strict"; //------------------------------------------------------------------------------ // Rule Definition //------------------------------------------------------------------------------ module.exports = { meta: { docs: { description: "disallow `new` operators with the `String`, `Number`, and `Boolean` objects", category: "Best Practices", recommended: false }, schema: [] }, create: function(context) { return { NewExpression: function(node) { var wrapperObjects = ["String", "Number", "Boolean", "Math", "JSON"]; if (wrapperObjects.indexOf(node.callee.name) > -1) { context.report(node, "Do not use {{fn}} as a constructor.", { fn: node.callee.name }); } } }; } };