mARTin
d92a8c7210
- Added 'onDelete' and 'onNotes' support to TaskItem. - Implemented hover actions (Delete and Notes icons) for tasks. - Added Notes Modal for editing task markdown content. - Simplified navigation animation to remove blank flash (single-phase slide-in). - Fixed syntax error in updateTask function. - Updated styles for modal and task actions.
31 lines
872 B
Markdown
31 lines
872 B
Markdown
---
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title: Suppress Expected Hydration Mismatches
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impact: LOW-MEDIUM
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impactDescription: avoids noisy hydration warnings for known differences
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tags: rendering, hydration, ssr, nextjs
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---
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## Suppress Expected Hydration Mismatches
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In SSR frameworks (e.g., Next.js), some values are intentionally different on server vs client (random IDs, dates, locale/timezone formatting). For these *expected* mismatches, wrap the dynamic text in an element with `suppressHydrationWarning` to prevent noisy warnings. Do not use this to hide real bugs. Don’t overuse it.
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**Incorrect (known mismatch warnings):**
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```tsx
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function Timestamp() {
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return <span>{new Date().toLocaleString()}</span>
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}
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```
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**Correct (suppress expected mismatch only):**
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```tsx
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function Timestamp() {
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return (
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<span suppressHydrationWarning>
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{new Date().toLocaleString()}
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</span>
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)
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}
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```
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