cc rezvan
On Wed, Apr 23, 2025 at 5:44 PM ClearScript Developers <
clearscript...@gmail.com> wrote:
> Hello!
>
> Consider the following:
>
> async function foo() {
> await using x = { [Symbol.asyncDispose]: 0, [Symbol.dispose]: () => {}
> };
> }
> await foo();
>
> This throws "TypeError: Symbol(Symbol.asyncDispose) is not a function".
>
> Is that a bug? According to our reading of the proposal
> <https://github.com/tc39/proposal-explicit-resource-management>, the
> synchronous fallback should be used if [Symbol.asyncDispose] exists but
> isn't a function. From the proposal:
>
> let $$dispose = x[Symbol.asyncDispose];
> if (typeof $$dispose !== "function") {
> $$dispose = x[Symbol.dispose];
> }
>
> Thanks!
>
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