STNDP-162 When accessing the page after the date has changed, the app crashes #104
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Summary of Changes
Hello @hyukkwonepic, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
I've made some improvements to the CurrentUserStandupCard component. The main goal was to enhance the user experience by ensuring the standup card defaults to an editable state when a user hasn't submitted their standup for the day, and to prevent potential rendering issues in such scenarios. I also took the opportunity to refactor some useEffect hooks for better readability.
Highlights
- useEffect Refactoring: Renamed anonymous callback functions within useEffect hooks for handling standup creation and update responses, improving code clarity.
- Initial State Handling: Implemented logic to automatically set the standup card to editing mode if the current user has not yet created a standup for the day.
- Error Prevention: Added a null check for currentUserTodayStandup when mapping form fields to prevent potential runtime errors if no standup data is available.
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hyokualexkwon
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Code Review
This pull request refactors some useEffect hooks by giving them names for better debuggability and adds logic to automatically switch to editing mode when a user does not have a standup for the day. While the intention is good, the new useEffect hook has a performance issue due to an unstable dependency, causing it to run on every render. Additionally, a redundant null check was added. I've provided comments with suggestions to address these issues.
| useEffect( | ||
| function switchToEditingModeWhenNoStandup() { | ||
| if (!currentUserTodayStandup) { | ||
| setIsEditing(true); | ||
| } | ||
| }, | ||
| [currentUserTodayStandup] | ||
| ); |
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The currentUserTodayStandup variable is recalculated on every render, making its object reference unstable. Using it as a dependency in useEffect will cause this effect to run on every render, which is a performance issue.
To fix this, the calculation of currentUserTodayStandup should be wrapped in a useMemo hook. This will provide a stable reference for the dependency array, ensuring the effect only runs when the standup data actually changes.
| if (!currentUserTodayStandup) { | ||
| return null; | ||
| } | ||
|
|
||
| const value = ( | ||
| currentUserTodayStandup?.formData as DynamicFormValues | ||
| currentUserTodayStandup.formData as DynamicFormValues | ||
| )[field.name]; |
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This check for currentUserTodayStandup appears to be redundant. Based on the logic in this component, the !isEditing block (starting on line 358) should only be rendered when currentUserTodayStandup has a value. The useEffect at lines 263-270 ensures that isEditing is set to true if currentUserTodayStandup is falsy, which would prevent this block from rendering.
Removing this redundant check will make the code cleaner. You should restore the optional chaining that was previously used.
const value = (
currentUserTodayStandup?.formData as DynamicFormValues
)[field.name];
… crashes (#104) * When accessing the page after the date has changed, the app crashes * STNDP-162 When accessing the page after the date has changed, the app crashes --------- Co-authored-by: Hyukoo Kwon <[email protected]>
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