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28 lines
627 B
Markdown
28 lines
627 B
Markdown
---
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title: 'updateAppConfig'
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description: 'Update the App Config at runtime.'
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links:
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- label: Source
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icon: i-simple-icons-github
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to: https://github.com/nuxt/nuxt/blob/main/packages/nuxt/src/app/config.ts
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size: xs
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---
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::note
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Updates the [`app.config`](/docs/guide/directory-structure/app-config) using deep assignment. Existing (nested) properties will be preserved.
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::
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## Usage
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```js
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const appConfig = useAppConfig() // { foo: 'bar' }
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const newAppConfig = { foo: 'baz' }
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updateAppConfig(newAppConfig)
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console.log(appConfig) // { foo: 'baz' }
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```
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:read-more{to="/docs/guide/directory-structure/app-config"}
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