wow, you are right!
But this does not work.
It returns "undefined"
```
class items {
// ...
get item3(){
return this.$3;
}
}
```
```
myItems = new items();
console.log( myItems.item3 );
```
see https://jsfiddle.net/2dgefd9d/1/
I see, the getter is called on the object itself and not on the proxy....
2017-07-29 2:05 GMT+02:00 Logan Smyth <[email protected]>:
> > but i can not act like this inside the Object, because i am not working
> with the Proxy
>
> You're not quite taking into account the behavior of `this` in JS. `this`
> is set at call-time, so when you do
>
> ```
> class items {
> // ...
>
> getItem3(){
> return this.$3;
> }
> }
> ```
>
> `this` depends on how `getItem3` was called. In your case if you do
>
> ```
> myItems = new items();
> myItems.getItem3();
> ```
> `this` will be `myItems` because that is how you have called it, meaning
> that `getItems3()` will behave just like if you had done `myItems.$3`.
>
> Your code works as expected in this Fiddle: https://jsfiddle.net/2dgefd9d/
>
> On Fri, Jul 28, 2017 at 4:48 PM, Tobias Buschor <[email protected]>
> wrote:
>
>> I realy like the possibility to react to dynamic properties, like what
>> you can do with Proxies.
>> But Proxies are not the (my) perfect solution.
>>
>>
>> ```
>> class items {
>> constructor() {
>> return new Proxy(this, {
>> get(target, name) {
>> if (name[0] === '$') return target.getItem(name.substr(1))
>> .value;
>> return target[name];
>> }
>> });
>> }
>> getItem(id) {
>> return this._item[id];
>> }
>> }
>>
>> myItems = new items(); // [1]
>> myItems.$1
>> ```
>>
>> [1] this direct returns a Proxy for the newly created Object, ok..
>> i can do "myItems.$3" instead of "myItems.getItem(4)";
>>
>>
>> but i can not act like this inside the Object, because i am not working
>> with the Proxy
>>
>> ```
>> class items {
>> getItem3(){
>> return this.$3;
>> }
>> }
>> ```
>>
>> I have to do this instead...
>>
>> ```
>> class items {
>> getItem3(){
>> return this.getItem(3);
>> }
>> }
>> ```
>>
>> What about something like getters and setters for the rest (undefined
>> properties)?
>>
>> ```
>> class items {
>> get...(name){
>> if (name[0] === '$') return this.getItem(name.substr(1)).value;
>> }
>> set...(name, value){
>> // implement setter for unknown
>> }
>> }
>> ```
>>
>>
>> Maybe a stupid idea and certainly not thought through.
>> But what do you think?
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> es-discuss mailing list
>> [email protected]
>> https://mail.mozilla.org/listinfo/es-discuss
>>
>>
>
--
Freundliche Grüsse
Tobias Buschor
shwups GmbH
Unterlindenberg 206
9427 Wolfhalden
+41 76 321 23 21
shwups.ch
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