fix: font not rendered correctly on init (#8002)

packages/excalidraw/components/App.tsx

@@ -714,10 +714,7 @@ class App extends React.Component<AppProps, AppState> {
       id: this.id,
     };
 
-    this.fonts = new Fonts({
-      scene: this.scene,
-      onSceneUpdated: this.onSceneUpdated,
-    });
+    this.fonts = new Fonts({ scene: this.scene });
     this.history = new History();
 
     this.actionManager.registerAll(actions);
@@ -940,7 +937,7 @@ class App extends React.Component<AppProps, AppState> {
     });
 
     if (updated) {
-      this.scene.informMutation();
+      this.scene.triggerUpdate();
     }
 
     // GC
@@ -1452,10 +1449,10 @@ class App extends React.Component<AppProps, AppState> {
     const selectedElements = this.scene.getSelectedElements(this.state);
     const { renderTopRightUI, renderCustomStats } = this.props;
 
-    const versionNonce = this.scene.getVersionNonce();
+    const sceneNonce = this.scene.getSceneNonce();
     const { elementsMap, visibleElements } =
       this.renderer.getRenderableElements({
-        versionNonce,
+        sceneNonce,
         zoom: this.state.zoom,
         offsetLeft: this.state.offsetLeft,
         offsetTop: this.state.offsetTop,
@@ -1673,7 +1670,7 @@ class App extends React.Component<AppProps, AppState> {
                           elementsMap={elementsMap}
                           allElementsMap={allElementsMap}
                           visibleElements={visibleElements}
-                          versionNonce={versionNonce}
+                          sceneNonce={sceneNonce}
                           selectionNonce={
                             this.state.selectionElement?.versionNonce
                           }
@@ -1695,7 +1692,7 @@ class App extends React.Component<AppProps, AppState> {
                           elementsMap={elementsMap}
                           visibleElements={visibleElements}
                           selectedElements={selectedElements}
-                          versionNonce={versionNonce}
+                          sceneNonce={sceneNonce}
                           selectionNonce={
                             this.state.selectionElement?.versionNonce
                           }
@@ -1819,7 +1816,7 @@ class App extends React.Component<AppProps, AppState> {
       );
     }
     this.magicGenerations.set(frameElement.id, data);
-    this.onSceneUpdated();
+    this.triggerRender();
   };
 
   private getTextFromElements(elements: readonly ExcalidrawElement[]) {
@@ -2444,7 +2441,7 @@ class App extends React.Component<AppProps, AppState> {
       this.history.record(increment.elementsChange, increment.appStateChange);
     });
 
-    this.scene.addCallback(this.onSceneUpdated);
+    this.scene.onUpdate(this.triggerRender);
     this.addEventListeners();
 
     if (this.props.autoFocus && this.excalidrawContainerRef.current) {
@@ -2489,6 +2486,7 @@ class App extends React.Component<AppProps, AppState> {
   public componentWillUnmount() {
     this.renderer.destroy();
     this.scene = new Scene();
+    this.fonts = new Fonts({ scene: this.scene });
     this.renderer = new Renderer(this.scene);
     this.files = {};
     this.imageCache.clear();
@@ -3670,7 +3668,7 @@ class App extends React.Component<AppProps, AppState> {
           ShapeCache.delete(element);
         }
       });
-      this.scene.informMutation();
+      this.scene.triggerUpdate();
 
       this.addNewImagesToImageCache();
     },
@@ -3730,7 +3728,7 @@ class App extends React.Component<AppProps, AppState> {
     },
   );
 
-  private onSceneUpdated = () => {
+  private triggerRender = () => {
     this.setState({});
   };
 
@@ -5577,7 +5575,7 @@ class App extends React.Component<AppProps, AppState> {
       }
 
       this.elementsPendingErasure = new Set(this.elementsPendingErasure);
-      this.onSceneUpdated();
+      this.triggerRender();
     }
   };
 
@@ -8069,7 +8067,7 @@ class App extends React.Component<AppProps, AppState> {
                     this.scene.getNonDeletedElementsMap(),
                   );
 
-                  this.scene.informMutation();
+                  this.scene.triggerUpdate();
                 }
               }
             }
@@ -8564,7 +8562,7 @@ class App extends React.Component<AppProps, AppState> {
 
   private restoreReadyToEraseElements = () => {
     this.elementsPendingErasure = new Set();
-    this.onSceneUpdated();
+    this.triggerRender();
   };
 
   private eraseElements = () => {
@@ -8978,7 +8976,7 @@ class App extends React.Component<AppProps, AppState> {
         files,
       );
       if (updatedFiles.size) {
-        this.scene.informMutation();
+        this.scene.triggerUpdate();
       }
     }
   };

packages/excalidraw/components/LayerUI.tsx

@@ -444,7 +444,7 @@ const LayerUI = ({
                 );
                 ShapeCache.delete(element);
               }
-              Scene.getScene(selectedElements[0])?.informMutation();
+              Scene.getScene(selectedElements[0])?.triggerUpdate();
             } else if (colorPickerType === "elementBackground") {
               setAppState({
                 currentItemBackgroundColor: color,

packages/excalidraw/components/canvases/InteractiveCanvas.tsx

@@ -19,7 +19,7 @@ type InteractiveCanvasProps = {
   elementsMap: RenderableElementsMap;
   visibleElements: readonly NonDeletedExcalidrawElement[];
   selectedElements: readonly NonDeletedExcalidrawElement[];
-  versionNonce: number | undefined;
+  sceneNonce: number | undefined;
   selectionNonce: number | undefined;
   scale: number;
   appState: InteractiveCanvasAppState;
@@ -206,10 +206,10 @@ const areEqual = (
   // This could be further optimised if needed, as we don't have to render interactive canvas on each scene mutation
   if (
     prevProps.selectionNonce !== nextProps.selectionNonce ||
-    prevProps.versionNonce !== nextProps.versionNonce ||
+    prevProps.sceneNonce !== nextProps.sceneNonce ||
     prevProps.scale !== nextProps.scale ||
     // we need to memoize on elementsMap because they may have renewed
-    // even if versionNonce didn't change (e.g. we filter elements out based
+    // even if sceneNonce didn't change (e.g. we filter elements out based
     // on appState)
     prevProps.elementsMap !== nextProps.elementsMap ||
     prevProps.visibleElements !== nextProps.visibleElements ||

packages/excalidraw/components/canvases/StaticCanvas.tsx

@@ -19,7 +19,7 @@ type StaticCanvasProps = {
   elementsMap: RenderableElementsMap;
   allElementsMap: NonDeletedSceneElementsMap;
   visibleElements: readonly NonDeletedExcalidrawElement[];
-  versionNonce: number | undefined;
+  sceneNonce: number | undefined;
   selectionNonce: number | undefined;
   scale: number;
   appState: StaticCanvasAppState;
@@ -112,10 +112,10 @@ const areEqual = (
   nextProps: StaticCanvasProps,
 ) => {
   if (
-    prevProps.versionNonce !== nextProps.versionNonce ||
+    prevProps.sceneNonce !== nextProps.sceneNonce ||
     prevProps.scale !== nextProps.scale ||
     // we need to memoize on elementsMap because they may have renewed
-    // even if versionNonce didn't change (e.g. we filter elements out based
+    // even if sceneNonce didn't change (e.g. we filter elements out based
     // on appState)
     prevProps.elementsMap !== nextProps.elementsMap ||
     prevProps.visibleElements !== nextProps.visibleElements