feat: Support customising canvas actions 🎉 (#3364)

* feat: Support hiding save, save as, clear & export

* Remove canvasActions from state & minor changes

* Rename prop to UIOptions & pass default value

* Make requested changes

* better type checking so that optional check not needed at every point

* remove optional checks

* Add few tests

* Add describe block for canvasActions & use snapshot tests

* Add support for hiding canvas background picker

* Take snapshot of canvasActions instead of the whole app

* Add support for hiding dark mode toggle

* Update README.md

* Rename table heading

* Update changelog

* Make requested changes

* Update test name

* tweaks

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

src/types.ts

@@ -189,6 +189,7 @@ export interface ExcalidrawProps {
     elements: readonly NonDeletedExcalidrawElement[],
     appState: AppState,
   ) => JSX.Element;
+  UIOptions?: UIOptions;
 }
 
 export type SceneData = {
@@ -203,3 +204,23 @@ export enum UserIdleState {
   AWAY = "away",
   IDLE = "idle",
 }
+
+type CanvasActions = {
+  changeViewBackgroundColor?: boolean;
+  clearCanvas?: boolean;
+  export?: boolean;
+  loadScene?: boolean;
+  saveAsScene?: boolean;
+  saveScene?: boolean;
+  theme?: boolean;
+};
+
+export type UIOptions = {
+  canvasActions?: CanvasActions;
+};
+
+export type AppProps = ExcalidrawProps & {
+  UIOptions: {
+    canvasActions: Required<CanvasActions>;
+  };
+};