mirror of
https://github.com/kjanat/livedash-node.git
synced 2026-02-13 11:29:31 +01:00
Kaj Kowalski
5bfd762e55
- Update tsconfig to ES2024 target and bundler moduleResolution - Add dynamic imports for chart.js and recharts (bundle optimization) - Consolidate 17 useState into useReducer in sessions page - Fix 18 .js extension imports across lib files - Add type declarations for @rapideditor/country-coder - Fix platform user types (PlatformUserRole enum) - Fix Calendar component prop types - Centralize next-auth type augmentation - Add force-dynamic to all API routes (prevent build-time prerender) - Fix Prisma JSON null handling with Prisma.DbNull - Fix various type mismatches (SessionMessage, ImportRecord, etc.) - Export ButtonProps from button component - Update next-themes import path - Replace JSX.Element with React.ReactElement - Remove obsolete debug scripts and pnpm lockfile - Downgrade eslint to v8 for next compatibility
27 lines
564 B
Markdown
27 lines
564 B
Markdown
---
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title: Use Activity Component for Show/Hide
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impact: MEDIUM
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impactDescription: preserves state/DOM
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tags: rendering, activity, visibility, state-preservation
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---
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## Use Activity Component for Show/Hide
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Use React's `<Activity>` to preserve state/DOM for expensive components that frequently toggle visibility.
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**Usage:**
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```tsx
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import { Activity } from 'react'
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function Dropdown({ isOpen }: Props) {
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return (
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<Activity mode={isOpen ? 'visible' : 'hidden'}>
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<ExpensiveMenu />
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</Activity>
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)
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}
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```
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Avoids expensive re-renders and state loss.
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