feat: support libraryReturnUrl when installing libraries (#3227)

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/packages/excalidraw/CHANGELOG.md

@@ -12,6 +12,16 @@ The change should be grouped under one of the below section and must contain PR
 Please add the latest change on the top under the correct section.
 -->
 
+## Unreleased
+
+## Excalidraw API
+
+### Features
+
+- Support `libraryReturnUrl` prop to indicate what URL to install libraries to [#3227](https://github.com/excalidraw/excalidraw/pull/3227).
+
+---
+
 ## 0.4.3
 
 ## Excalidraw API

src/packages/excalidraw/README.md

@@ -376,6 +376,7 @@ export default function IndexPage() {
 | [`viewModeEnabled`](#viewModeEnabled) | boolean |  | This implies if the app is in view mode. |
 | [`zenModeEnabled`](#zenModeEnabled) | boolean |  | This implies if the zen mode is enabled |
 | [`gridModeEnabled`](#gridModeEnabled) | boolean |  | This implies if the grid mode is enabled |
+| [`libraryReturnUrl`](#libraryReturnUrl) | string |  | What URL should [libraries.excalidraw.com](https://libraries.excalidraw.com) be installed to |
 
 #### `width`
 
@@ -533,6 +534,10 @@ This prop indicates whether the app is in `zen mode`. When supplied, the value t
 
 This prop indicates whether the shows the grid. When supplied, the value takes precedence over `intialData.appState.gridModeEnabled`, the grid will be fully controlled by the host app, and users won't be able to toggle it from within the app.
 
+### `libraryReturnUrl`
+
+If supplied, this URL will be used when user tries to install a library from [libraries.excalidraw.com](https://libraries.excalidraw.com). Default to `window.location.origin`.
+
 ### Extra API's
 
 #### `getSceneVersion`

src/packages/excalidraw/index.tsx

@@ -29,6 +29,7 @@ const Excalidraw = (props: ExcalidrawProps) => {
     viewModeEnabled,
     zenModeEnabled,
     gridModeEnabled,
+    libraryReturnUrl,
   } = props;
 
   useEffect(() => {
@@ -69,6 +70,7 @@ const Excalidraw = (props: ExcalidrawProps) => {
           viewModeEnabled={viewModeEnabled}
           zenModeEnabled={zenModeEnabled}
           gridModeEnabled={gridModeEnabled}
+          libraryReturnUrl={libraryReturnUrl}
         />
       </IsMobileProvider>
     </InitializeApp>