{"version":3,"file":"app-route-handler-cache.js","names":[],"sources":["../../src/server/app-route-handler-cache.ts"],"sourcesContent":["import type { NextI18nConfig } from \"../config/next-config.js\";\nimport type { HeadersAccessPhase } from \"vinext/shims/headers\";\nimport type { ISRCacheEntry } from \"./isr-cache.js\";\nimport type { RouteHandlerMiddlewareContext } from \"./app-route-handler-response.js\";\nimport {\n  applyRouteHandlerMiddlewareContext,\n  assertSupportedAppRouteHandlerResponse,\n  buildAppRouteCacheValue,\n  buildRouteHandlerCachedResponse,\n} from \"./app-route-handler-response.js\";\nimport { markKnownDynamicAppRoute } from \"./app-route-handler-runtime.js\";\nimport { makeThenableParams } from \"vinext/shims/thenable-params\";\nimport {\n  runAppRouteHandler,\n  type AppRouteDebugLogger,\n  type AppRouteDynamicUsageFn,\n  type AppRouteHandlerFunction,\n  type AppRouteParams,\n  type MarkAppRouteDynamicUsageFn,\n  type RouteHandlerCacheSetter,\n} from \"./app-route-handler-execution.js\";\n\ntype RouteHandlerCacheGetter = (key: string) => Promise<ISRCacheEntry | null>;\ntype RouteHandlerBackgroundRegenerator = (key: string, renderFn: () => Promise<void>) => void;\ntype RouteHandlerRevalidationContextRunner = (renderFn: () => Promise<void>) => Promise<void>;\n\ntype ReadAppRouteHandlerCacheOptions = {\n  basePath?: string;\n  buildPageCacheTags: (pathname: string, extraTags: string[]) => string[];\n  cleanPathname: string;\n  clearRequestContext: () => void;\n  consumeDynamicUsage: AppRouteDynamicUsageFn;\n  dynamicConfig?: string;\n  getCollectedFetchTags: () => string[];\n  handlerFn: AppRouteHandlerFunction;\n  i18n?: NextI18nConfig | null;\n  isAutoHead: boolean;\n  isrDebug?: AppRouteDebugLogger;\n  isrGet: RouteHandlerCacheGetter;\n  isrRouteKey: (pathname: string) => string;\n  isrSet: RouteHandlerCacheSetter;\n  markDynamicUsage: MarkAppRouteDynamicUsageFn;\n  middlewareContext: RouteHandlerMiddlewareContext;\n  params: AppRouteParams;\n  requestUrl: string;\n  revalidateSearchParams: URLSearchParams;\n  expireSeconds?: number;\n  revalidateSeconds: number;\n  routePattern: string;\n  runInRevalidationContext: RouteHandlerRevalidationContextRunner;\n  scheduleBackgroundRegeneration: RouteHandlerBackgroundRegenerator;\n  setHeadersAccessPhase: (phase: HeadersAccessPhase) => HeadersAccessPhase;\n  setNavigationContext: (\n    context: {\n      pathname: string;\n      searchParams: URLSearchParams;\n      params: AppRouteParams;\n    } | null,\n  ) => void;\n};\n\nfunction getCachedAppRouteValue(entry: ISRCacheEntry | null) {\n  return entry?.value.value && entry.value.value.kind === \"APP_ROUTE\" ? entry.value.value : null;\n}\n\nexport async function readAppRouteHandlerCacheResponse(\n  options: ReadAppRouteHandlerCacheOptions,\n): Promise<Response | null> {\n  const routeKey = options.isrRouteKey(options.cleanPathname);\n\n  try {\n    const cached = await options.isrGet(routeKey);\n    const cachedValue = getCachedAppRouteValue(cached);\n\n    if (cachedValue && !cached?.isStale) {\n      options.isrDebug?.(\"HIT (route)\", options.cleanPathname);\n      options.clearRequestContext();\n      return applyRouteHandlerMiddlewareContext(\n        buildRouteHandlerCachedResponse(cachedValue, {\n          cacheState: \"HIT\",\n          cacheControl: cached?.value.cacheControl,\n          expireSeconds: options.expireSeconds,\n          isHead: options.isAutoHead,\n          revalidateSeconds: options.revalidateSeconds,\n        }),\n        options.middlewareContext,\n      );\n    }\n\n    if (cached?.isStale && cachedValue) {\n      const staleValue = cachedValue;\n      const revalidateSearchParams = new URLSearchParams(options.revalidateSearchParams);\n\n      options.scheduleBackgroundRegeneration(routeKey, async () => {\n        await options.runInRevalidationContext(async () => {\n          options.setNavigationContext({\n            pathname: options.cleanPathname,\n            searchParams: revalidateSearchParams,\n            params: options.params,\n          });\n\n          const { dynamicUsedInHandler, response } = await runAppRouteHandler({\n            basePath: options.basePath,\n            consumeDynamicUsage: options.consumeDynamicUsage,\n            dynamicConfig: options.dynamicConfig,\n            handlerFn: options.handlerFn,\n            i18n: options.i18n,\n            markDynamicUsage: options.markDynamicUsage,\n            params: makeThenableParams(options.params),\n            request: new Request(options.requestUrl, { method: \"GET\" }),\n            routePattern: options.routePattern,\n            setHeadersAccessPhase: options.setHeadersAccessPhase,\n          });\n\n          options.setNavigationContext(null);\n          assertSupportedAppRouteHandlerResponse(response);\n\n          if (dynamicUsedInHandler) {\n            markKnownDynamicAppRoute(options.routePattern);\n            options.isrDebug?.(\"route regen skipped (dynamic usage)\", options.cleanPathname);\n            return;\n          }\n\n          const routeTags = options.buildPageCacheTags(\n            options.cleanPathname,\n            options.getCollectedFetchTags(),\n          );\n          const routeCacheValue = await buildAppRouteCacheValue(response);\n          await options.isrSet(\n            routeKey,\n            routeCacheValue,\n            options.revalidateSeconds,\n            routeTags,\n            options.expireSeconds,\n          );\n          options.isrDebug?.(\"route regen complete\", routeKey);\n        });\n      });\n\n      options.isrDebug?.(\"STALE (route)\", options.cleanPathname);\n      options.clearRequestContext();\n      return applyRouteHandlerMiddlewareContext(\n        buildRouteHandlerCachedResponse(staleValue, {\n          cacheState: \"STALE\",\n          cacheControl: cached.value.cacheControl,\n          expireSeconds: options.expireSeconds,\n          isHead: options.isAutoHead,\n          revalidateSeconds: options.revalidateSeconds,\n        }),\n        options.middlewareContext,\n      );\n    }\n  } catch (routeCacheError) {\n    console.error(\"[vinext] ISR route cache read error:\", routeCacheError);\n  }\n\n  return 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