work.suroh.tk/node_modules/to-fast-properties/index.js

12 lines
294 B
JavaScript

'use strict';
module.exports = function toFastproperties(o) {
function Sub() {}
Sub.prototype = o;
var receiver = new Sub(); // create an instance
function ic() { return typeof receiver.foo; } // perform access
ic();
ic();
return o;
eval("o" + o); // ensure no dead code elimination
}