nx/docs/generated/devkit/Migration.md
Juri Strumpflohner b51676a89a
docs(core): restructure guides into technologies sections (#31288)
Updates the docs structure, navigation etc to be easier + better suited
for showing Nx technology support beyond just TS.

**Notes:**

- API (`/nx-api`) tab is removed from the navigation (i.e. menu bar),
but pages still remain for now until we update references in `*.md`
files.
- Redirects are set up `/nx-api` to go to their respect new location
e.g. `/technologies` or `/reference/core-api`
- Old URLs still exist in the sitemap for now, but majority of them will
be redirected -- a follow-up PR can remove them.

**Preview:**
https://nx-dev-git-nx-dev-polyglot-docs-restructure-nrwl.vercel.app/docs

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Co-authored-by: Jack Hsu <jack.hsu@gmail.com>
2025-05-29 14:55:34 -04:00

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Markdown

# Type alias: Migration
Ƭ **Migration**: (`tree`: [`Tree`](/reference/core-api/devkit/documents/Tree)) => `void` \| `Promise`\<`void`\> \| `string`[] \| `Promise`\<`string`[]\>
Represents a migration that is executed when running `nx migrate`.
Returning a string[] from the migration function will be interpreted as
a list of next steps to be displayed to the user.
#### Type declaration
▸ (`tree`): `void` \| `Promise`\<`void`\> \| `string`[] \| `Promise`\<`string`[]\>
##### Parameters
| Name | Type |
| :----- | :-------------------------------------------------- |
| `tree` | [`Tree`](/reference/core-api/devkit/documents/Tree) |
##### Returns
`void` \| `Promise`\<`void`\> \| `string`[] \| `Promise`\<`string`[]\>