react-code-dataset
/
next.js
/packages
/next
/src
/server
/lib
/incremental-cache
/memory-cache.external.ts
| import type { CacheHandlerValue } from '.' | |
| import { CachedRouteKind } from '../../response-cache/types' | |
| import { LRUCache } from '../lru-cache' | |
| let memoryCache: LRUCache<CacheHandlerValue> | undefined | |
| export function getMemoryCache(maxMemoryCacheSize: number) { | |
| if (!memoryCache) { | |
| memoryCache = new LRUCache(maxMemoryCacheSize, function length({ value }) { | |
| if (!value) { | |
| return 25 | |
| } else if (value.kind === CachedRouteKind.REDIRECT) { | |
| return JSON.stringify(value.props).length | |
| } else if (value.kind === CachedRouteKind.IMAGE) { | |
| throw new Error('invariant image should not be incremental-cache') | |
| } else if (value.kind === CachedRouteKind.FETCH) { | |
| return JSON.stringify(value.data || '').length | |
| } else if (value.kind === CachedRouteKind.APP_ROUTE) { | |
| return value.body.length | |
| } | |
| // rough estimate of size of cache value | |
| return ( | |
| value.html.length + | |
| (JSON.stringify( | |
| value.kind === CachedRouteKind.APP_PAGE | |
| ? value.rscData | |
| : value.pageData | |
| )?.length || 0) | |
| ) | |
| }) | |
| } | |
| return memoryCache | |
| } | |