All Questions
Tagged with es6-proxy javascript-objects
8
questions
0
votes
0
answers
21
views
Typescript derives different types when a static method is called from inside or outside a class
Can someone help me explain the behavior of typescript in this example. I have no idea what is going on here. Why is childProxy1.foo not resolved while childProxy2.foo is resolved correctly? Why is ...
1
vote
0
answers
199
views
Can I make a Mobx observable with a custom getter?
I have a need for a Mobx observable object which simply returns whichever property is asked of it as a string. For example, myObs.description would simply return the string "description". ...
- 305
2
votes
1
answer
754
views
Trace method calls with javascript proxy
var handler1 = {
get:function(target,key){
if (typeof target[key] == "function"){
var method = Reflect.get(target, key);
return method.bind(target);
...
- 441
0
votes
0
answers
453
views
Illegal invocation during non configurable method call with javascript proxies
I am using javascript proxies to intercept method calls to an object, however if the method is a non configurable and non writable property, I am not able to correctly intercept it
var handler = {
...
- 441
2
votes
1
answer
1k
views
Illegal invocation while intercepting method calls with javascript proxy
Can someone explain the following output
var handler = {
get: function(target,key, receiver){
return new Proxy(Reflect.get(target, key, receiver),handler);
},
apply: function(target, ...
- 441
1
vote
0
answers
46
views
Distinguish the final property from the intermediate properties being accessed with javascript proxies
Is there a way to figure out if the property being read of a proxy object is the final property or the intermediate property.
var handler = {
get(target, key) {
return new Proxy(target[key], ...
- 441
4
votes
1
answer
3k
views
Detect when the reference of a variable changes
I am currently writing a tool that monitors changes made to an object using a Proxy.
So I have a function watchObject that takes an object as the argument and wraps it inside a Proxy where the ...
- 306
8
votes
2
answers
3k
views
Proxy object cannot be added to DOM (traps doesn't trigger either)
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.
...
- 263