feat: export MIME_TYPES supported by excalidraw (#5135)

* feat: export MIME_TYPES supported by excalidraw

* Update src/packages/excalidraw/CHANGELOG.md

src/packages/excalidraw/CHANGELOG.md

@@ -17,6 +17,7 @@ Please add the latest change on the top under the correct section.
 
 #### Features
 
+- Export [`MIME_TYPES`](https://github.com/excalidraw/excalidraw/blob/master/src/constants.ts#L92) supported by Excalidraw [#5135](https://github.com/excalidraw/excalidraw/pull/5135).
 - Support [`src`](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L50) for collaborators. Now onwards host can pass `src` to render the customized avatar for collaborators [#5114](https://github.com/excalidraw/excalidraw/pull/5114).
 - Support `libraryItems` argument in `initialData.libraryItems` and `updateScene({ libraryItems })` to be a Promise resolving to `LibraryItems`, and support functional update of `libraryItems` in [`updateScene({ libraryItems })`](https://github.com/excalidraw/excalidraw/blob/master/src/packages/excalidraw/README.md#updateScene). [#5101](https://github.com/excalidraw/excalidraw/pull/5101).
 - Expose util [`mergeLibraryItems`](https://github.com/excalidraw/excalidraw/blob/master/src/packages/excalidraw/README.md#mergeLibraryItems) [#5101](https://github.com/excalidraw/excalidraw/pull/5101).

src/packages/excalidraw/README_NEXT.md

@@ -1123,6 +1123,16 @@ import { THEME } from "@excalidraw/excalidraw-next";
 
 Defaults to `THEME.LIGHT` unless passed in `initialData.appState.theme`
 
+### `MIME_TYPES`
+
+**How to use **
+
+```js
+import { MIME_TYPES } from "@excalidraw/excalidraw-next";
+```
+
+[`MIME_TYPES`](https://github.com/excalidraw/excalidraw/blob/master/src/constants.ts#L92) contains all the mime types supported by `Excalidraw`.
+
 ## Need help?
 
 Check out the existing [Q&A](https://github.com/excalidraw/excalidraw/discussions?discussions_q=label%3Apackage%3Aexcalidraw). If you have any queries or need help, ask us [here](https://github.com/excalidraw/excalidraw/discussions?discussions_q=label%3Apackage%3Aexcalidraw).

src/packages/excalidraw/example/App.js

@@ -5,7 +5,6 @@ import Sidebar from "./sidebar/Sidebar";
 
 import "./App.scss";
 import initialData from "./initialData";
-import { MIME_TYPES } from "../../../constants";
 
 // This is so that we use the bundled excalidraw.development.js file instead
 // of the actual source code
@@ -16,7 +15,9 @@ const {
   exportToBlob,
   exportToClipboard,
   Excalidraw,
+  MIME_TYPES,
 } = window.ExcalidrawLib;
+
 const resolvablePromise = () => {
   let resolve;
   let reject;

src/packages/excalidraw/index.tsx

@@ -202,7 +202,7 @@ export {
 } from "../../packages/utils";
 export { isLinearElement } from "../../element/typeChecks";
 
-export { FONT_FAMILY, THEME } from "../../constants";
+export { FONT_FAMILY, THEME, MIME_TYPES } from "../../constants";
 
 export {
   mutateElement,