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Cherry pick 4995 for release/v1.0.2 #5016

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@benjaminpkane benjaminpkane commented Oct 30, 2024

Summary by CodeRabbit

  • New Features

    • Enhanced modal functionality with improved event handling for closing and keyboard interactions.
    • Added abort controller support for better management of asynchronous operations in various components.
  • Bug Fixes

    • Improved error handling and resource management for image loading processes.
  • Chores

    • Updated TensorFlow package version to 2.17.0 in dependency files.

@benjaminpkane benjaminpkane changed the base branch from develop to release/v1.0.2 October 30, 2024 22:18
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coderabbitai bot commented Oct 30, 2024

Walkthrough

The changes in this pull request involve modifications across multiple files, primarily focusing on enhancing event listener management and resource cleanup. Key updates include the introduction of AbortController instances to manage the lifecycle of event listeners and asynchronous operations in various components, such as the Modal, AbstractLooker, and ImaVidFrameSamples. Additionally, the createWorker function and the useCreateLooker hook have been updated to incorporate abort signals for better error handling and resource management. Dependency specifications in requirements/github.txt and requirements/test.txt have also been updated to specify the exact version of TensorFlow.

Changes

File Path Change Summary
app/packages/core/src/components/Modal/Modal.tsx Updated modalCloseHandler to remove event listener; modified keysHandler for keyboard event handling.
app/packages/looker/src/lookers/abstract.ts Added abortController to getLabelsWorker; updated event listener management to include abort signals.
app/packages/looker/src/lookers/imavid/ima-vid-frame-samples.ts Introduced abortController for image fetch requests; enhanced error handling in event listeners.
app/packages/looker/src/util.ts Updated createWorker to include abortController for event listener management.
app/packages/state/src/hooks/useCreateLooker.ts Added abortControllerRef to manage cleanup of ongoing operations in the useCreateLooker hook.
requirements/github.txt Removed common.txt and test.txt; updated tensorflow version to 2.17.0.
requirements/test.txt Updated tensorflow version to tensorflow==2.17.0.

Possibly related PRs

  • cleanup event handlers in looker2d #4988: This PR directly modifies the Modal component in Modal.tsx, specifically enhancing the cleanup of event listeners, which aligns with the changes made in the main PR regarding the management of event listeners in the modal's lifecycle.

Suggested reviewers

  • imanjra
  • lanzhenw

🐰 In the meadow, we hop and play,
With event listeners, we clear the way.
Aborts in place, no leaks in sight,
Our code is tidy, everything feels right!
So let’s celebrate, with a joyful cheer,
For cleaner components, we hold so dear! 🌼


📜 Recent review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 430c3f7 and 3afa8c2.

📒 Files selected for processing (7)
  • app/packages/core/src/components/Modal/Modal.tsx (1 hunks)
  • app/packages/looker/src/lookers/abstract.ts (5 hunks)
  • app/packages/looker/src/lookers/imavid/ima-vid-frame-samples.ts (3 hunks)
  • app/packages/looker/src/util.ts (3 hunks)
  • app/packages/state/src/hooks/useCreateLooker.ts (4 hunks)
  • requirements/github.txt (1 hunks)
  • requirements/test.txt (1 hunks)
🧰 Additional context used
📓 Path-based instructions (5)
app/packages/core/src/components/Modal/Modal.tsx (1)

Pattern **/*.{ts,tsx}: Review the Typescript and React code for conformity with best practices in React, Recoil, Graphql, and Typescript. Highlight any deviations.

app/packages/looker/src/lookers/abstract.ts (1)

Pattern **/*.{ts,tsx}: Review the Typescript and React code for conformity with best practices in React, Recoil, Graphql, and Typescript. Highlight any deviations.

app/packages/looker/src/lookers/imavid/ima-vid-frame-samples.ts (1)

Pattern **/*.{ts,tsx}: Review the Typescript and React code for conformity with best practices in React, Recoil, Graphql, and Typescript. Highlight any deviations.

app/packages/looker/src/util.ts (1)

Pattern **/*.{ts,tsx}: Review the Typescript and React code for conformity with best practices in React, Recoil, Graphql, and Typescript. Highlight any deviations.

app/packages/state/src/hooks/useCreateLooker.ts (1)

Pattern **/*.{ts,tsx}: Review the Typescript and React code for conformity with best practices in React, Recoil, Graphql, and Typescript. Highlight any deviations.

🔇 Additional comments (12)
requirements/github.txt (1)

Line range hint 1-2: Verify dependency coverage after removing requirement files

The removal of common.txt and test.txt references might lead to missing dependencies. Please ensure all necessary dependencies are properly specified.

Let's verify the dependencies:

app/packages/looker/src/lookers/imavid/ima-vid-frame-samples.ts (2)

25-26: LGTM: AbortController implementation follows best practices

The AbortController is properly implemented as a private readonly property and correctly initialized in the constructor.

Also applies to: 29-29


138-138: LGTM: Proper cleanup in reset method

The abort controller is properly called during reset, ensuring proper cleanup of pending image fetch operations.

app/packages/state/src/hooks/useCreateLooker.ts (3)

21-21: LGTM: Import statement is correctly placed.

The addition of useEffect import is properly organized with other React imports.


42-42: LGTM: Proper initialization of AbortController using useRef.

Following React best practices by using useRef to maintain the AbortController instance across renders.


259-265: LGTM: Proper error handling with cleanup.

The error listener is correctly configured with the abort signal, ensuring proper cleanup when the component unmounts. This prevents potential memory leaks from dangling event listeners.

app/packages/looker/src/util.ts (2)

460-466: LGTM: Error event listener implementation

The error event listener is properly implemented with cleanup support via AbortController.


490-500: LGTM: Method event listener implementation

The method event listener is properly implemented with cleanup support via AbortController.

app/packages/looker/src/lookers/abstract.ts (4)

63-73: Shared AbortController Across Workers May Lead to Unintended Behavior

The abortController is shared among all workers created in getLabelsWorker. If this.abortController.abort() is called, it will abort all workers simultaneously. If aborting all workers at once is intended, this is acceptable. Otherwise, consider creating a separate AbortController for each worker to control them individually.


111-112: Initialization of AbortController

Declaring abortController as a private readonly property ensures controlled management of event listeners and asynchronous operations.


118-118: AbortController Initialized in Constructor

Initializing this.abortController in the constructor makes it available throughout the instance's lifecycle, enabling consistent control over abortable operations.


697-699: Correct Passing of AbortController to getLabelsWorker

The abortController is properly passed to getLabelsWorker, ensuring that worker operations can be aborted when necessary.


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Caution

Inline review comments failed to post. This is likely due to GitHub's limits when posting large numbers of comments.

Actionable comments posted: 8

🧹 Outside diff range and nitpick comments (2)
app/packages/state/src/hooks/useCreateLooker.ts (1)

72-77: Simplify the cleanup function by removing unnecessary return.

The cleanup function has an unnecessary nested return statement.

  useEffect(() => {
    return () => {
-     // sending abort signal to clean up all event handlers
-     return abortControllerRef.current.abort();
+     // sending abort signal to clean up all event handlers
+     abortControllerRef.current.abort();
    };
  }, []);
app/packages/looker/src/util.ts (1)

468-479: Consider adding type safety for error handling

The error handling logic is well-implemented. Consider adding TypeScript types for the worker message data structure to improve type safety.

Add an interface for the worker message:

interface WorkerErrorMessage {
  error?: {
    cls: string;
    message: string;
    data?: any;
  };
  method?: string;
}
🛑 Comments failed to post (8)
requirements/github.txt (1)

7-7: ⚠️ Potential issue

Invalid TensorFlow version specified

The version tensorflow==2.17.0 appears to be incorrect as TensorFlow 2.17.0 does not exist. The latest stable version is 2.15.0.

Apply this fix:

-tensorflow==2.17.0
+tensorflow==2.15.0
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

tensorflow==2.15.0
requirements/test.txt (1)

10-10: 💡 Codebase verification

⚠️ Potential issue

Invalid TensorFlow version needs to be corrected in multiple files

The non-existent version tensorflow==2.17.0 is specified in both requirement files:

  • requirements/test.txt
  • requirements/github.txt

Both files should be updated to use TensorFlow 2.15.0, which is the latest stable version as of April 2024:

-tensorflow==2.17.0
+tensorflow==2.15.0
🔗 Analysis chain

Error: Invalid TensorFlow version specified

The specified version tensorflow==2.17.0 does not exist. The latest stable version of TensorFlow is 2.15.0 as of April 2024.

Apply this change to use the correct version:

-tensorflow==2.17.0
+tensorflow==2.15.0
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check if the same incorrect version is specified in github.txt
# Expected: This should help identify if the same issue exists in the related file

rg -l "tensorflow==2.17.0" "requirements/github.txt"

Length of output: 74


Script:

#!/bin/bash
# Let's check the actual content of both requirement files to see the full context
echo "=== requirements/test.txt ==="
cat requirements/test.txt
echo -e "\n=== requirements/github.txt ==="
cat requirements/github.txt

Length of output: 491


Script:

#!/bin/bash
# Let's check if there's a common.txt file and its contents
# as it's referenced in github.txt
echo "=== requirements/common.txt ==="
cat requirements/common.txt 2>/dev/null || echo "File not found"

# Also check if there are any other requirement files that might
# specify tensorflow version
echo -e "\n=== Other files with tensorflow specification ==="
rg "tensorflow==" requirements/

Length of output: 899

app/packages/looker/src/lookers/imavid/ima-vid-frame-samples.ts (2)

71-92: 🛠️ Refactor suggestion

Consider enhancing error handling and logging

While the error handling is good, there are a few improvements to consider:

  1. The TODO comment suggests incomplete implementation
  2. Using console.error might not be ideal for production environments

Consider implementing a proper error handling strategy:

- console.error(
-   "Sample was removed from cache before image loaded",
-   sampleId
- );
+ const error = new Error(`Sample ${sampleId} was removed from cache before image loaded`);
+ // Replace with your logging/error reporting service
+ this.handleError(error);

Also, consider implementing the handleError method in the class to centralize error handling:

private handleError(error: Error) {
  // Integration with proper error tracking service
  // e.g., Sentry, Application Insights, etc.
}

94-109: 🛠️ Refactor suggestion

Maintain consistent error handling approach

The error handling should follow the same pattern as suggested for the load event listener. Also, consider making the fallback strategy more explicit.

Consider this improvement:

- console.error(
-   "Failed to load image for sample with id",
-   sampleId,
-   "at url",
-   source
- );
+ const error = new Error(`Failed to load image for sample ${sampleId} at ${source}`);
+ this.handleError(error);

+ // Make fallback strategy more explicit
+ const FALLBACK_OPTIONS = {
+   src: BASE64_BLACK_IMAGE,
+   width: 2,
+   height: 2
+ };
- image.src = BASE64_BLACK_IMAGE;
+ image.src = FALLBACK_OPTIONS.src;

Committable suggestion was skipped due to low confidence.

app/packages/core/src/components/Modal/Modal.tsx (1)

107-110: 💡 Codebase verification

⚠️ Potential issue

After analyzing the Modal component implementation and event listener management, I can now provide a final response:

Event listener cleanup needs improvement

The current implementation has a potential memory leak because:

  1. The "close" event listener is added in onLookerSet but only removed in modalCloseHandler
  2. There's no cleanup on component unmount
  3. The event listener removal is asymmetric - it's removed during modal close but not during looker changes

To fix this, add a cleanup effect:

useEffect(() => {
  return () => {
    // Cleanup on unmount
    activeLookerRef.current?.removeEventListener("close", modalCloseHandler);
  };
}, [modalCloseHandler]);

And in onLookerSet, remove any existing listener before adding a new one:

const onLookerSet = useCallback((looker: fos.Lookers) => {
  // Remove existing listener if any
  activeLookerRef.current?.removeEventListener("close", modalCloseHandler);
  
  onLookerSetSubscribers.current.forEach((sub) => sub(looker));
  looker.addEventListener("close", modalCloseHandler);
}, []);
🔗 Analysis chain

Event listener cleanup needs improvement

The current implementation has potential issues with event listener lifecycle management:

  1. The cleanup is asymmetric - listeners are added in onLookerSet but removed in modalCloseHandler
  2. Missing cleanup on component unmount
  3. No protection against multiple listener registrations
  4. Potential stale closure issues with modalCloseHandler

Consider implementing this improved pattern:

 const Modal = () => {
+  const modalCloseHandlerRef = useRef(modalCloseHandler);
+  
+  useEffect(() => {
+    modalCloseHandlerRef.current = modalCloseHandler;
+  }, [modalCloseHandler]);
+
+  useEffect(() => {
+    return () => {
+      // Cleanup on unmount
+      if (activeLookerRef.current) {
+        activeLookerRef.current.removeEventListener(
+          "close",
+          modalCloseHandlerRef.current
+        );
+      }
+    };
+  }, []);
+
   const onLookerSet = useCallback((looker: fos.Lookers) => {
     onLookerSetSubscribers.current.forEach((sub) => sub(looker));
+    
+    // Remove existing listener if any
+    if (activeLookerRef.current) {
+      activeLookerRef.current.removeEventListener(
+        "close",
+        modalCloseHandlerRef.current
+      );
+    }
+
     looker.addEventListener("close", modalCloseHandler);
   }, []);

Let's verify the event listener management in other components:


Let me gather more context about the Modal component implementation to better understand the event listener management.


Let me search for any cleanup effects in the Modal component to better understand the event listener management.


Let me check the full Modal component implementation to understand how the event listeners are managed.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for similar patterns of event listener management
rg -A 5 "addEventListener.*close" app/packages/

Length of output: 524


Script:

#!/bin/bash
# Get the full Modal component implementation
cat app/packages/core/src/components/Modal/Modal.tsx

# Search for useEffect hooks in Modal.tsx
ast-grep --pattern 'useEffect(() => { $$$ }, $_)'

Length of output: 165794


Script:

#!/bin/bash
# Search for useEffect cleanup in Modal.tsx
ast-grep --pattern 'useEffect(() => { $$$ return () => { $$$ }; }, $_)'

Length of output: 31138


Script:

#!/bin/bash
# Get the full Modal component implementation
cat app/packages/core/src/components/Modal/Modal.tsx

# Search for any cleanup effects in Modal.tsx
ast-grep --pattern 'useEffect(() => { $$$ return () => { $$$ }; }, $_)' app/packages/core/src/components/Modal/Modal.tsx

Length of output: 7274

app/packages/looker/src/util.ts (1)

449-450: ⚠️ Potential issue

Add null check for abortController parameter

The abortController parameter is used directly without null checks on line 465, which could cause runtime errors when the parameter is not provided.

Add a default AbortController or add null checks:

export const createWorker = (
  listeners?: {
    [key: string]: ((worker: Worker, args: any) => void)[];
  },
  dispatchEvent?: DispatchEvent,
-  abortController?: AbortController
+  abortController: AbortController = new AbortController()
): Worker => {
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

export const createWorker = (
  listeners?: {
    [key: string]: ((worker: Worker, args: any) => void)[];
  },
  dispatchEvent?: DispatchEvent,
  abortController: AbortController = new AbortController()
): Worker => {
app/packages/looker/src/lookers/abstract.ts (2)

511-511: ⚠️ Potential issue

AbortController Cannot Be Reused After Abort

After calling this.abortController.abort() in the detach method, the AbortController cannot be reused. If the instance may be reattached or reused after detachment, consider reinitializing the AbortController. Since it is declared as readonly, you might need to adjust the design to allow reinitialization.


395-407: ⚠️ Potential issue

Potential Overwrite of User-Provided Signals in addEventListener

In the addEventListener method, the signal property in optionsOrUseCapture is always set to this.abortController.signal, which may overwrite any user-provided signal. To prevent unintended behavior, consider checking if a signal is already present and only setting it if it's undefined.

Apply this diff to preserve user-provided signal:

             ...(optionsOrUseCapture ?? {}),
-            signal: this.abortController.signal,
+            signal: optionsOrUseCapture?.signal ?? this.abortController.signal,
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

    optionsOrUseCapture?: boolean | AddEventListenerOptions
  ) {
    const argsWithSignal: AddEventListenerOptions =
      typeof optionsOrUseCapture === "boolean"
        ? {
            signal: this.abortController.signal,
            capture: optionsOrUseCapture,
          }
        : {
            ...(optionsOrUseCapture ?? {}),
            signal: optionsOrUseCapture?.signal ?? this.abortController.signal,
          };
    this.eventTarget.addEventListener(eventType, handler, argsWithSignal);

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2 participants