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Laca-City/frontend/node_modules/date-fns/docs/webpack.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
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🛣️ 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:
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• Bundle size: 22.8 kB optimized
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💾 VERSION CONTROL:
• MapView-v2.0.tsx backup created
• MAPVIEW_VERSIONS.md documentation
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2025-07-20 19:52:16 +07:00

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# webpack
## Removing unused languages from dynamic import
If a locale is imported dynamically, then all locales from date-fns are loaded by webpack into a bundle (~160kb) or split across the chunks. This prolongs the build process and increases the amount of space taken. However, it is possible to use webpack to trim down languages using [ContextReplacementPlugin].
Let's assume that we have a single point in which supported locales are present:
`config.js`:
```js
// `see date-fns/src/locale` for available locales
export const supportedLocales = ['en-US', 'de', 'pl', 'it']
```
We could also have a function that formats the date:
```js
const getLocale = (locale) => import(`date-fns/locale/${locale}/index.js`) // or require() if using CommonJS
const formatDate = (date, formatStyle, locale) => {
return format(date, formatStyle, {
locale: getLocale(locale),
})
}
```
In order to exclude unused languages we can use webpacks [ContextReplacementPlugin].
`webpack.config.js`:
```js
import webpack from 'webpack'
import { supportedLocales } from './config.js'
export default const config = {
plugins: [
new webpack.ContextReplacementPlugin(
/^date-fns[/\\]locale$/,
new RegExp(`\\.[/\\\\](${supportedLocales.join('|')})[/\\\\]index\\.js$`)
)
]
}
```
This results in a language bundle of ~23kb .
[contextreplacementplugin]: https://webpack.js.org/plugins/context-replacement-plugin/