ohif-viewer/docs/latest/essentials/installation.md
2019-05-10 09:46:58 -04:00

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# Installation
It's important to know that the OHIF Viewer project provides two different build
processes:
```bash
# Static Asset output: For deploying PWAs
yarn run build:web
# Single `.js` script, for embedding viewer into existing apps
yarn run build:package
```
## create-react-app (PWA)
> [create-react-app](https://github.com/facebook/create-react-app) provides
> pre-configured build process for developing front-end applications with
> [React](https://reactjs.org/).
The ohif-viewer package can be run as a create-react-app application. This is
useful for development, debugging, or evolving the OHIF Viewer into your own
custom imaging application.
You can read more about this particular strategy in our
[Build for Production Deployment Guide](./../deployment/recipes/build-for-production.md)
## Rollup (Packaged Script)
> [Rollup](https://rollupjs.org/guide/en) is a module bundler for JavaScript. It
> uses the new standardized format for code modules included in the ES6 revision
> of JavaScript.
The [ohif-viewer](https://www.npmjs.com/package/ohif-viewer) package can be
built with Rollup to provide a set of React components which can be dropped into
a larger application. Specifically, the ohif-viewer package provides a React
component named `OHIFViewer` which is the entire viewer, configurable via React
`props`. This is useful for including the OHIF Viewer in a larger web
application, as the entire application can be provided via a `<script>` tag with
no build process required.
You can read more about this particular strategy in our
[Embedded Viewer Deployment Guide](./../deployment/recipes/embedded-viewer.md)