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import path from 'path'
import { IncrementalCache } from '../../server/lib/incremental-cache'
import { hasNextSupport } from '../../server/ci-info'
import { nodeFs } from '../../server/lib/node-fs-methods'
import { interopDefault } from '../../lib/interop-default'
import { formatDynamicImportPath } from '../../lib/format-dynamic-import-path'
import {
initializeCacheHandlers,
setCacheHandler,
} from '../../server/use-cache/handlers'
export async function createIncrementalCache({
cacheHandler,
cacheMaxMemorySize,
fetchCacheKeyPrefix,
distDir,
dir,
flushToDisk,
cacheHandlers,
requestHeaders,
}: {
cacheHandler?: string
cacheMaxMemorySize?: number
fetchCacheKeyPrefix?: string
distDir: string
dir: string
flushToDisk?: boolean
requestHeaders?: Record<string, string | string[] | undefined>
cacheHandlers?: Record<string, string | undefined>
}) {
// Custom cache handler overrides.
let CacheHandler: any
if (cacheHandler) {
CacheHandler = interopDefault(
await import(formatDynamicImportPath(dir, cacheHandler)).then(
(mod) => mod.default || mod
)
)
}
if (cacheHandlers && initializeCacheHandlers()) {
for (const [kind, handler] of Object.entries(cacheHandlers)) {
if (!handler) continue
setCacheHandler(
kind,
interopDefault(
await import(formatDynamicImportPath(dir, handler)).then(
(mod) => mod.default || mod
)
)
)
}
}
const incrementalCache = new IncrementalCache({
dev: false,
requestHeaders: requestHeaders || {},
flushToDisk,
maxMemoryCacheSize: cacheMaxMemorySize,
fetchCacheKeyPrefix,
getPrerenderManifest: () => ({
version: 4,
routes: {},
dynamicRoutes: {},
preview: {
previewModeEncryptionKey: '',
previewModeId: '',
previewModeSigningKey: '',
},
notFoundRoutes: [],
}),
fs: nodeFs,
serverDistDir: path.join(distDir, 'server'),
CurCacheHandler: CacheHandler,
minimalMode: hasNextSupport,
})
;(globalThis as any).__incrementalCache = incrementalCache
return incrementalCache
}
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