Fix: Duplicate React Keys in Bulk Unsubscribe Component and Hydration Errors#430
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…d <p> tags, and invalid table structure
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WalkthroughThe changes update UI components in three files. The BulkUnsubscribeSection now uses a composite key for row components to ensure uniqueness. The TestRules component replaces a generic div with semantic table elements for better structure. The EnableReplyTracker component removes an unnecessary paragraph wrapper, simplifying the JSX markup. Changes
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might as well just use index if we're doing this, no?
also, why isn't item.name unique here? when does it happen that we have the same item.name twice?
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For the second part that why isn't item.name unique? When does it happen that we have duplicate names, the item.name represents the email sender (e.g., "noreply@google.com"). It's not unique because many services send different types of newsletters from the same email address and services like Google can send various types of emails (notifications, security alerts, promotions) all from "noreply@google.com".
For the first part we can use index but while using just index as the key would technically solve the duplicate key issue, it's not the best practice for React keys. In the official documentation it is written that "You might be tempted to use an item’s index in the array as its key. In fact, that’s what React will use if you don’t specify a key at all. But the order in which you render items will change over time if an item is inserted, deleted, or if the array gets reordered. Index as a key often leads to subtle and confusing bugs".
But we can change the key to just use the index if that's preferred. I will do that if you want to!!! @elie222 .
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happy to accept the pr other than the index issue |
Sir if needed I can revert back to the original indexing code). But I guess it still needs some changes too. @elie222 |
@elie222 Hi Sir, |
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Thanks! |
you can probably just do
can you send a screenshot of what you're seeing. because these should be grouped on the bulk unsubscribe page. since it's the same sender (we used to care about sender name, but now it should just be based on email address) |
I saw this error |
3 participants
✅ Solutions (Fixes #429 )
💡 Implementation
1. Robust Key Generation
To resolve the key duplication issue:
2. Fixed Nested Paragraph Structure
Removed the outer paragraph element that was causing invalid nesting:
extraDescription={ <div className="mt-4 text-left"> - <p> <SectionDescription>We label your emails with:</SectionDescription> - </p> <SectionDescription> <Badge color="green">{NEEDS_REPLY_LABEL_NAME}</Badge> - emails you need to reply to. </SectionDescription> // ... </div> }3. Proper Table Structure
Replaced div with appropriate table elements:
<LoadingContent loading={isLoading} error={error}> {data && ( - <div> - {data.messages.map((message) => { - return ( + <Table> + <TableBody> + {data.messages.map((message) => ( <TestRulesContentRow key={message.id} message={message} userEmail={userEmail} /> - ); - })} - </div> + ))} + </TableBody> + </Table> )} </LoadingContent>Summary by CodeRabbit
Summary by CodeRabbit