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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 | import React, { useCallback, useEffect } from 'react'; import { useParams } from 'react-router-dom'; import { useNewsletterDetail, useSharedNewsletterActions, useOptimizedNewsletterNavigation, useCacheInvalidation, useTypedCacheInvalidation, useComponentOptimizations, usePerformanceMonitor, } from '@common/hooks'; import { useLogger } from '@common/utils/logger/useLogger'; import type { NewsletterWithRelations } from '@common/types'; /** * Example implementation of an optimized newsletter detail component * Demonstrates best practices for performance optimization */ export const OptimizedNewsletterDetail: React.FC = () => { const { id: newsletterId } = useParams<{ id: string }>(); const log = useLogger('OptimizedNewsletterDetail'); // Performance monitoring const { startRender, endRender, getMetrics } = usePerformanceMonitor('NewsletterDetail'); const { renderCount, addCleanup } = useComponentOptimizations('NewsletterDetail'); // Initialize optimized cache invalidation const { invalidateByOperation, getMetrics: getCacheMetrics, flush: flushCache, } = useCacheInvalidation({ batchDelay: 100, debounceDelay: 500, enableLogging: process.env.NODE_ENV === 'development', }); // Type-safe cache invalidation const _typedCache = useTypedCacheInvalidation(); // Optimized navigation with keyboard and swipe support const navigation = useOptimizedNewsletterNavigation(newsletterId || null, { debounceDelay: 300, enablePreloading: true, enableKeyboard: true, enableSwipe: true, swipeThreshold: 50, onNavigationStart: (id) => { log.debug('Navigation starting', { action: 'navigation_start', metadata: { newsletterId: id }, }); }, onNavigationComplete: (id) => { log.debug('Navigation complete', { action: 'navigation_complete', metadata: { newsletterId: id }, }); }, }); // Fetch newsletter details with caching const { data: newsletter, isLoading, error, } = useNewsletterDetail(newsletterId || '', { enabled: !!newsletterId, staleTime: 5 * 60 * 1000, // 5 minutes gcTime: 30 * 60 * 1000, // 30 minutes }); // Shared actions with optimized cache invalidation const { handleArchive, handleLike, handleMarkRead, handleAddTag, handleRemoveTag, isUpdating } = useSharedNewsletterActions(); // Optimized archive handler const handleOptimizedArchive = useCallback( async (newsletter: NewsletterWithRelations) => { try { startRender(); // Perform the archive action await handleArchive(newsletter); // Use operation-based invalidation for smart cache updates await invalidateByOperation( newsletter.is_archived ? 'newsletter-unarchive' : 'newsletter-archive', newsletter.id ); endRender(); // Log performance metrics in development if (process.env.NODE_ENV === 'development') { const metrics = getMetrics(); log.debug('Archive operation completed', { action: 'archive_complete', metadata: { renderTime: metrics.renderTime.toFixed(2), averageRenderTime: metrics.averageRenderTime.toFixed(2), }, }); } } catch (error) { log.error( 'Archive operation failed', { action: 'archive_error', metadata: { newsletterId: newsletter.id }, }, error instanceof Error ? error : new Error(String(error)) ); } }, [handleArchive, invalidateByOperation, startRender, endRender, getMetrics, log] ); // Optimized like handler const handleOptimizedLike = useCallback( async (newsletter: NewsletterWithRelations) => { try { await handleLike(newsletter); // Use operation-based invalidation await invalidateByOperation( newsletter.is_liked ? 'newsletter-unlike' : 'newsletter-like', newsletter.id ); } catch (error) { log.error( 'Like operation failed', { action: 'like_error', metadata: { newsletterId: newsletter.id }, }, error instanceof Error ? error : new Error(String(error)) ); } }, [handleLike, invalidateByOperation, log] ); // Optimized mark read handler const handleOptimizedMarkRead = useCallback( async (newsletter: NewsletterWithRelations) => { try { await handleMarkRead(newsletter); // Use specific invalidation for read status await invalidateByOperation( newsletter.is_read ? 'newsletter-mark-unread' : 'newsletter-mark-read', newsletter.id ); } catch (error) { log.error( 'Mark read operation failed', { action: 'mark_read_error', metadata: { newsletterId: newsletter.id }, }, error instanceof Error ? error : new Error(String(error)) ); } }, [handleMarkRead, invalidateByOperation, log] ); // Optimized tag operations const _handleOptimizedAddTag = useCallback( async (tagId: string) => { if (!newsletter) return; try { await handleAddTag(newsletter.id, tagId); // Use operation-based invalidation for tags await invalidateByOperation('newsletter-tag-add', newsletter.id); } catch (error) { log.error( 'Add tag operation failed', { action: 'add_tag_error', metadata: { newsletterId: newsletter.id, tagId }, }, error instanceof Error ? error : new Error(String(error)) ); } }, [newsletter, handleAddTag, invalidateByOperation, log] ); const handleOptimizedRemoveTag = useCallback( async (tagId: string) => { if (!newsletter) return; try { await handleRemoveTag(newsletter.id, tagId); // Use operation-based invalidation for tags await invalidateByOperation('newsletter-tag-remove', newsletter.id); } catch (error) { log.error( 'Remove tag operation failed', { action: 'remove_tag_error', metadata: { newsletterId: newsletter.id, tagId }, }, error instanceof Error ? error : new Error(String(error)) ); } }, [newsletter, handleRemoveTag, invalidateByOperation, log] ); // Cleanup and performance optimization useEffect(() => { // Add cleanup for pending cache operations addCleanup(() => { flushCache(); }); return () => { // Log cache metrics on unmount in development if (process.env.NODE_ENV === 'development') { const cacheMetrics = getCacheMetrics(); log.debug('Component unmounting - Cache metrics', { action: 'component_unmount', metadata: cacheMetrics, }); } }; }, [addCleanup, flushCache, getCacheMetrics, log]); // Log render count in development useEffect(() => { if (process.env.NODE_ENV === 'development' && renderCount % 10 === 0) { log.debug('Render count milestone', { action: 'render_count', metadata: { renderCount }, }); } }, [renderCount, log]); // Navigation helpers const handleNavigatePrevious = useCallback(() => { navigation.navigateToPrevious(); }, [navigation]); const handleNavigateNext = useCallback(() => { navigation.navigateToNext(); }, [navigation]); // Loading state if (isLoading) { return ( <div className="flex items-center justify-center h-full"> <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary" /> </div> ); } // Error state if (error) { return ( <div className="flex items-center justify-center h-full"> <div className="text-red-500">Error loading newsletter</div> </div> ); } // No newsletter found if (!newsletter) { return ( <div className="flex items-center justify-center h-full"> <div>Newsletter not found</div> </div> ); } return ( <div className="newsletter-detail optimized"> {/* Navigation Bar */} <div className="navigation-bar flex items-center justify-between p-4 border-b"> <button onClick={handleNavigatePrevious} disabled={!navigation.navigationState.hasPrevious || navigation.isNavigating} className="btn btn-secondary" aria-label="Previous newsletter" > Previous </button> <div className="navigation-info text-sm text-gray-600"> {navigation.navigationState.currentIndex + 1} of {navigation.navigationState.totalCount} </div> <button onClick={handleNavigateNext} disabled={!navigation.navigationState.hasNext || navigation.isNavigating} className="btn btn-secondary" aria-label="Next newsletter" > Next </button> </div> {/* Newsletter Content */} <div className="newsletter-content p-6"> <h1 className="text-2xl font-bold mb-4">{newsletter.title}</h1> {/* Action Buttons */} <div className="actions flex gap-2 mb-4"> <button onClick={() => handleOptimizedArchive(newsletter)} disabled={isUpdating} className={`btn ${newsletter.is_archived ? 'btn-warning' : 'btn-secondary'}`} > {newsletter.is_archived ? 'Unarchive' : 'Archive'} </button> <button onClick={() => handleOptimizedLike(newsletter)} disabled={isUpdating} className={`btn ${newsletter.is_liked ? 'btn-danger' : 'btn-secondary'}`} > {newsletter.is_liked ? 'Unlike' : 'Like'} </button> <button onClick={() => handleOptimizedMarkRead(newsletter)} disabled={isUpdating} className={`btn ${newsletter.is_read ? 'btn-info' : 'btn-primary'}`} > {newsletter.is_read ? 'Mark Unread' : 'Mark Read'} </button> </div> {/* Tags */} <div className="tags mb-4"> <h3 className="text-sm font-semibold mb-2">Tags:</h3> <div className="flex flex-wrap gap-2"> {newsletter.tags?.map((tag) => ( <span key={tag.id} className="tag bg-gray-200 px-2 py-1 rounded text-sm"> {tag.name} <button onClick={() => handleOptimizedRemoveTag(tag.id)} className="ml-2 text-red-500 hover:text-red-700" aria-label={`Remove ${tag.name} tag`} > × </button> </span> ))} </div> </div> {/* Newsletter Body */} <div className="newsletter-body prose max-w-none"> <div dangerouslySetInnerHTML={{ __html: newsletter.content || newsletter.summary || '' }} /> </div> </div> {/* Performance Metrics (Development Only) */} {process.env.NODE_ENV === 'development' && ( <div className="performance-metrics fixed bottom-4 right-4 bg-black bg-opacity-75 text-white p-2 rounded text-xs"> <div>Render #{renderCount}</div> <div>Navigation: {navigation.metrics.totalNavigations} total</div> <div>Cache: {getCacheMetrics().totalInvalidations} invalidations</div> </div> )} </div> ); }; /** * Example of using the optimized newsletter detail in a route */ export const NewsletterDetailRoute: React.FC = () => { return ( <div className="newsletter-detail-container h-full"> <OptimizedNewsletterDetail /> </div> ); }; |