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feat: explain usage of async functions in onRequest #548

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feat: explain usage of async functions in onRequest #548

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19 changes: 19 additions & 0 deletions docs/content/en/helpers.md
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Expand Up @@ -31,6 +31,25 @@ export default function ({ $axios, redirect }) {
}
```

Sometimes you might need a asynchronous function to run before every request (e.g. to refresh expired tokens).

Example: (`plugins/axios.js`)

```js
export default function ({ $axios }) {
$axios.onRequest(async (config) => {
try {
await ["your async function"]
} catch (error) {
console.log("An error occured")
}
// it is crucial to return the config option so that the request can continue
return config
})

}
```

When intercepting an error, you can return a resolved promise to prevent the error from propagating.

Example: (`plugins/axios.js`)
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