# node:async_hooks

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# `node:async_hooks`

## Import

```js
import async_hooks from "nstdlib/async_hooks";
```

> [!NOTE]
> Its behavior matches Node.js.

## Runtime support

| Where it runs | Status | Export coverage | Details |
| ------------- | ------ | --------------- | ------- |
| **nstd** | – not measured | – | No report covers this environment. |
| **Browser** | ❔ not tested | 100% of Node.js | It imports with the small process shim. 7/7 Node.js exports are available. No module-specific behavior test ran. |
| **Node.js (host)** | ✅ works | 100% of Node.js | 7/7 exports. |

## Exports (7 of 7)

Each cell shows what happens when code reads an export:

- ✅ Available through every import style. A named error also counts.
- ⚠️ Available through only some import styles.
- ❔ The export exists but has no value.
- ❌ The export does not exist.
- – This environment was not measured.

| Export | Node.js | nstdlib | browser |
| ------ | ------- | ------- | ------- |
| `AsyncLocalStorage` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `AsyncResource` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `asyncWrapProviders` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `createHook` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `executionAsyncId` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `executionAsyncResource` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |
| `triggerAsyncId` | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> | <span title="Available" aria-label="Available">✅</span> |