> For the complete documentation index, see [llms.txt](https://docs.theopenpresenter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theopenpresenter.com/plugins/developing-a-plugin/caveats/sharing-dependencies.md).

# Sharing dependencies

Some dependencies are shared among all frontend components. We do this for 2 main reasons:

1. So that the client doesn't have to load the dependencies multiple times
2. Some library requires that only one copy of itself is used. Eg: Yjs

We achieve this using [`importmap`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script/type/importmap), provided by our `Remote` and `Renderer` wrapper.

This means that for frontend plugin bundles, you should exclude these dependencies from the bundle. Instead, it should import the dependency directly using a bare specifier.

You can look at the build config of any of the plugins in the main repository. They serve as an example of how the build pipeline should be setup.

### Shared dependencies

At the moment of writing, here are the list of shared dependencies:

* `yjs`
* `react` (react, react-dom, react-dom/client)

To see an up-to-date list, refer to the `importmap` definition in the main repo:

{% embed url="<https://github.com/Vija02/TheOpenPresenter/blob/main/apps/remote/index.html>" %}


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