This feature is not Baseline because it does not work in some of the most widely-used browsers.
The [Symbol.asyncDispose]() method of AsyncDisposableStack instances implements the async disposable protocol and allows it to be disposed when used with await using. It is an alias for the disposeAsync() method.
asyncDisposableStack[Symbol.asyncDispose]()
None.
None (undefined).
await using
The Symbol.asyncDispose method is intended to be automatically called in an await using declaration.
async function doSomething() {
await using disposer = new AsyncDisposableStack();
const resource = disposer.use(new Resource());
resource.doSomething();
// disposer is disposed here immediately before the function exits
// which causes the resource to be disposed
}
| Desktop | Mobile | Server | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | Bun | Deno | Node.js | |
Symbol.asyncDispose |
134 | 134 | 141 | 119 | No | 134 | 141 | 88 | No | 29.0 | 134 | No | 1.3.0 | 2.2.10 | 24.0.0 |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncDisposableStack/Symbol.asyncDispose