>> ```js
>> Uncaught TypeError: Cannot read property 'call' of undefined
>> ```
>>
>
> (...)
>
> Also, reading the message of your TypeError, I wonder if Babel may also fail
> unexpectedly in case SomeClass does not inherit the standard `Function#call`,
> as in: ```class SomeClass { static call() { throw "Pwnd!" } }```.
Correction: The potential issue I was thinking of, is when
`SomeClass[Symbol.hasInstance]` does not inherit the standard `Function#call`:
```js
class SomeClass {
static [Symbol.hasInstance]() { /* foo */ }
}
SomeClass[Symbol.hasInstance].call = function () { throw "Pwnd!" }
```
which is quite a corner case.
—Claude
_______________________________________________
es-discuss mailing list
[email protected]
https://mail.mozilla.org/listinfo/es-discuss
