nx/docs/generated/devkit/installPackagesTask.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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# Function: installPackagesTask
**installPackagesTask**(`tree`, `alwaysRun?`, `cwd?`, `packageManager?`): `void`
Runs `npm install` or `yarn install`. It will skip running the install if
`package.json` hasn't changed at all or it hasn't changed since the last invocation.
#### Parameters
| Name | Type | Description |
| :---------------- | :---------------------------------------------------------------------- | :------------------------------------------------------------ |
| `tree` | [`Tree`](/reference/core-api/devkit/documents/Tree) | the file system tree |
| `alwaysRun?` | `boolean` | always run the command even if `package.json` hasn't changed. |
| `cwd?` | `string` | - |
| `packageManager?` | [`PackageManager`](/reference/core-api/devkit/documents/PackageManager) | - |
#### Returns
`void`