mirror of
https://github.com/vercel/next.js.git
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Jiwon Choi
2318b5e2c0
Stacked on https://github.com/vercel/next.js/pull/84312 Removes the AMP docs, which is no longer supported.
91 lines
1.2 KiB
Plaintext
91 lines
1.2 KiB
Plaintext
---
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title: Invalid Page / API Route Config
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---
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## Why This Error Occurred
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In one of your pages or API Routes, you used `export const config` with an invalid value.
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## Possible Ways to Fix It
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- The page's `config` must be an object initialized directly when being exported and not modified dynamically.
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- The `config` object must only contain static constant literals without expressions.
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<table>
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<thead>
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<tr>
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<th>Not Allowed</th>
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<th>Allowed</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>
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```js
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// `config` should be an object
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export const config = 'hello world'
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```
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</td>
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<td>
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```js
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export const config = {}
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```
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</td>
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</tr>
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<tr>
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<td>
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```js
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// `config.runtime` contains a dynamic expression
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export const config = {
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runtime: `node${'js'}`,
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}
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```
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</td>
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<td>
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```js
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export const config = {
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runtime: 'nodejs',
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}
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export const config = {
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runtime: `edge`,
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}
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```
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</td>
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</tr>
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<tr>
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<td>
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```js
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// Re-exported `config` is not allowed
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export { config } from '../config'
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```
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</td>
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<td>
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```js
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export const config = {}
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```
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</td>
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</tr>
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</tbody>
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</table>
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## Useful Links
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- [API Routes Request Helpers](/docs/pages/building-your-application/routing/api-routes)
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- [Edge Runtime](/docs/app/api-reference/edge)
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