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Laca-City/frontend/node_modules/eslint-plugin-jsx-a11y/docs/rules/aria-activedescendant-has-tabindex.md
PhongPham c65cc97a33 🎯 MapView v2.0 - Global Deployment Ready
 MAJOR FEATURES:
• Auto-zoom intelligence với smart bounds fitting
• Enhanced 3D GPS markers với pulsing effects
• Professional route display với 6-layer rendering
• Status-based parking icons với availability indicators
• Production-ready build optimizations

🗺️ AUTO-ZOOM FEATURES:
• Smart bounds fitting cho GPS + selected parking
• Adaptive padding (50px) cho visual balance
• Max zoom control (level 16) để tránh quá gần
• Dynamic centering khi không có selection

🎨 ENHANCED VISUALS:
• 3D GPS marker với multi-layer pulse effects
• Advanced parking icons với status colors
• Selection highlighting với animation
• Dimming system cho non-selected items

🛣️ ROUTE SYSTEM:
• OpenRouteService API integration
• Multi-layer route rendering (glow, shadow, main, animated)
• Real-time distance & duration calculation
• Visual route info trong popup

📱 PRODUCTION READY:
• SSR safe với dynamic imports
• Build errors resolved
• Global deployment via Vercel
• Optimized performance

🌍 DEPLOYMENT:
• Vercel: https://whatever-ctk2auuxr-phong12hexdockworks-projects.vercel.app
• Bundle size: 22.8 kB optimized
• Global CDN distribution
• HTTPS enabled

💾 VERSION CONTROL:
• MapView-v2.0.tsx backup created
• MAPVIEW_VERSIONS.md documentation
• Full version history tracking
2025-07-20 19:52:16 +07:00

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Markdown

# jsx-a11y/aria-activedescendant-has-tabindex
💼 This rule is enabled in the following configs: ☑️ `recommended`, 🔒 `strict`.
<!-- end auto-generated rule header -->
`aria-activedescendant` is used to manage focus within a [composite widget](https://www.w3.org/TR/wai-aria/#composite).
The element with the attribute `aria-activedescendant` retains the active document
focus; it indicates which of its child elements has secondary focus by assigning
the ID of that element to the value of `aria-activedescendant`. This pattern is
used to build a widget like a search typeahead select list. The search input box
retains document focus so that the user can type in the input. If the down arrow
key is pressed and a search suggestion is highlighted, the ID of the suggestion
element will be applied as the value of `aria-activedescendant` on the input
element.
Because an element with `aria-activedescendant` must be tabbable, it must either
have an inherent `tabIndex` of zero or declare a `tabIndex` attribute.
## Rule details
This rule takes no arguments.
### Succeed
```jsx
<CustomComponent />
<CustomComponent aria-activedescendant={someID} />
<CustomComponent aria-activedescendant={someID} tabIndex={0} />
<CustomComponent aria-activedescendant={someID} tabIndex={-1} />
<div />
<input />
<div tabIndex={0} />
<div aria-activedescendant={someID} tabIndex={0} />
<div aria-activedescendant={someID} tabIndex="0" />
<div aria-activedescendant={someID} tabIndex={1} />
<div aria-activedescendant={someID} tabIndex={-1} />
<div aria-activedescendant={someID} tabIndex="-1" />
<input aria-activedescendant={someID} />
<input aria-activedescendant={someID} tabIndex={0} />
<input aria-activedescendant={someID} tabIndex={-1} />
```
### Fail
```jsx
<div aria-activedescendant={someID} />
```
## Accessibility guidelines
General best practice (reference resources)
### Resources
- [MDN, Using the aria-activedescendant attribute](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques/Using_the_aria-activedescendant_attribute)