I have the following class that is utilizing a Proxy for getting properties and methods:  class User extends Model {      static table = 'users';     _attributes = {         id: 1,         firstName: 'Testing',         lastName: '...
Imagine a simple recursive function, which we are trying to wrap in order to instrument input and output.    // A simple recursive function. const count = n => n && 1 + count(n-1);  // Wrap a function in a proxy to instrument input and out...
I want to use an ES6 proxy to trap the following common code:  for (let key in trapped) {     if (!Object.prototype.hasOwnProperty.call(obj, key)) continue;     let value = trapped[key];     //various code }   But after reviewing the proxy documentat...
I am trying to call .toString() on a function proxy.  Simply creating a function proxy and calling toString causes "TypeError: Function.prototype.toString is not generic", setting the toString to return the source of the original causes "...
I am trying to make a Proxy object of Image to trap properties but even with an empty handler I get an error message.     TypeError: Argument 1 of Node.appendChild does not implement interface Node.   The proxy object is suppose to act as the target...
I am compiling the code with babel (env), compiling down to ES5.  Here's the code:    (async () => {      const p = async () => {           return new Proxy({}, {                get: (target, property) => {                     console.lo...
I'm trying to create a function that hides private properties on Objects as well as possible. I would define private properties here as those that begin with an underscore, eg. _password.  Below is what I've got so far (thanks to Nicolas Beva...
Using eslint with React configurations I get an error when using Object.defineProperty. The error says:     Avoid using Object.defineProperty, instead use Reflect.defineProperty. (prefer-reflect)   On the eslint documentation of prefer-reflect they s...
I have a proxy handler like this:  let handler = {         get: function(target, name) {             let member = target[name];             if (typeof member === 'function') {                 return function() {                     //...
this is my class  class Chrome {   constructor(browser, page) {     this.browser;     this.page;   }    async launch() {     if (!this.browser) {       console.log("launching browser...");       this.browser = await puppeteer.launch({ headles...

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