Fixed issue: Cannot read properties of undefined (reading 'getUpdated')

changelog.d/20241206_153723_sekachev.bs_fixed_issue.md

@@ -0,0 +1,4 @@
+### Fixed
+
+- Fixed issue: Cannot read properties of undefined (reading 'getUpdated')
+  (<https://github.com/cvat-ai/cvat/pull/8785>)

cvat-core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cvat-core",
-  "version": "15.3.0",
+  "version": "15.3.1",
   "type": "module",
   "description": "Part of Computer Vision Tool which presents an interface for client-side integration",
   "main": "src/api.ts",

cvat-core/src/frames.ts

@@ -536,41 +536,55 @@ Object.defineProperty(FrameData.prototype.data, 'implementation', {
     writable: false,
 });
 
-export async function getFramesMeta(type: 'job' | 'task', id: number, forceReload = false): Promise<FramesMetaData> {
+export function getFramesMeta(type: 'job' | 'task', id: number, forceReload = false): Promise<FramesMetaData> {
     if (type === 'task') {
         // we do not cache task meta currently. So, each new call will results to the server request
-        const result = await serverProxy.frames.getMeta('task', id);
-        return new FramesMetaData({
-            ...result,
-            deleted_frames: Object.fromEntries(result.deleted_frames.map((_frame) => [_frame, true])),
-        });
+        return serverProxy.frames.getMeta('task', id).then((serialized) => (
+            new FramesMetaData({
+                ...serialized,
+                deleted_frames: Object.fromEntries(serialized.deleted_frames.map((_frame) => [_frame, true])),
+            })
+        ));
     }
+
     if (!(id in frameMetaCache) || forceReload) {
-        frameMetaCache[id] = serverProxy.frames.getMeta('job', id)
-            .then((serverMeta) => new FramesMetaData({
-                ...serverMeta,
-                deleted_frames: Object.fromEntries(serverMeta.deleted_frames.map((_frame) => [_frame, true])),
-            }))
-            .catch((error) => {
+        const previousCache = frameMetaCache[id];
+        frameMetaCache[id] = new Promise((resolve, reject) => {
+            serverProxy.frames.getMeta('job', id).then((serialized) => {
+                const framesMetaData = new FramesMetaData({
+                    ...serialized,
+                    deleted_frames: Object.fromEntries(serialized.deleted_frames.map((_frame) => [_frame, true])),
+                });
+                resolve(framesMetaData);
+            }).catch((error: unknown) => {
                 delete frameMetaCache[id];
-                throw error;
+                if (previousCache instanceof Promise) {
+                    frameMetaCache[id] = previousCache;
+                }
+                reject(error);
             });
+        });
     }
+
     return frameMetaCache[id];
 }
 
-async function saveJobMeta(meta: FramesMetaData, jobID: number): Promise<FramesMetaData> {
-    frameMetaCache[jobID] = serverProxy.frames.saveMeta('job', jobID, {
-        deleted_frames: Object.keys(meta.deletedFrames).map((frame) => +frame),
-    })
-        .then((serverMeta) => new FramesMetaData({
-            ...serverMeta,
-            deleted_frames: Object.fromEntries(serverMeta.deleted_frames.map((_frame) => [_frame, true])),
-        }))
-        .catch((error) => {
-            delete frameMetaCache[jobID];
-            throw error;
+function saveJobMeta(meta: FramesMetaData, jobID: number): Promise<FramesMetaData> {
+    frameMetaCache[jobID] = new Promise<FramesMetaData>((resolve, reject) => {
+        serverProxy.frames.saveMeta('job', jobID, {
+            deleted_frames: Object.keys(meta.deletedFrames).map((frame) => +frame),
+        }).then((serverMeta) => {
+            const updatedMetaData = new FramesMetaData({
+                ...serverMeta,
+                deleted_frames: Object.fromEntries(serverMeta.deleted_frames.map((_frame) => [_frame, true])),
+            });
+            resolve(updatedMetaData);
+        }).catch((error) => {
+            frameMetaCache[jobID] = Promise.resolve(meta);
+            reject(error);
         });
+    });
+
     return frameMetaCache[jobID];
 }
 
@@ -834,7 +848,7 @@ export async function patchMeta(jobID: number): Promise<FramesMetaData> {
     const updatedFields = meta.getUpdated();
 
     if (Object.keys(updatedFields).length) {
-        frameMetaCache[jobID] = saveJobMeta(meta, jobID);
+        await saveJobMeta(meta, jobID);
     }
     const newMeta = await frameMetaCache[jobID];
     return newMeta;