.

node_modules/next/dist/esm/server/resume-data-cache/cache-store.js

@@ -0,0 +1,82 @@
+import { arrayBufferToString, stringToUint8Array } from '../app-render/encryption-utils';
+import { DYNAMIC_EXPIRE } from '../use-cache/constants';
+/**
+ * Parses serialized cache entries into a UseCacheCacheStore
+ * @param entries - The serialized entries to parse
+ * @returns A new UseCacheCacheStore containing the parsed entries
+ */ export function parseUseCacheCacheStore(entries) {
+    const store = new Map();
+    for (const [key, { entry, hasExplicitRevalidate, hasExplicitExpire, readRootParamNames }] of entries){
+        store.set(key, Promise.resolve({
+            entry: {
+                // Create a ReadableStream from the Uint8Array
+                value: new ReadableStream({
+                    start (controller) {
+                        // Enqueue the Uint8Array to the stream
+                        controller.enqueue(stringToUint8Array(atob(entry.value)));
+                        // Close the stream
+                        controller.close();
+                    }
+                }),
+                tags: entry.tags,
+                stale: entry.stale,
+                timestamp: entry.timestamp,
+                expire: entry.expire,
+                revalidate: entry.revalidate
+            },
+            hasExplicitRevalidate,
+            hasExplicitExpire,
+            readRootParamNames: readRootParamNames ? new Set(readRootParamNames) : undefined
+        }));
+    }
+    return store;
+}
+/**
+ * Serializes UseCacheCacheStore entries into an array of key-value pairs
+ * @param entries - The store entries to stringify
+ * @returns A promise that resolves to an array of key-value pairs with serialized values
+ */ export async function serializeUseCacheCacheStore(entries, isCacheComponentsEnabled) {
+    return Promise.all(Array.from(entries).map(([key, value])=>{
+        return value.then(async ({ entry, hasExplicitRevalidate, hasExplicitExpire, readRootParamNames })=>{
+            if (isCacheComponentsEnabled && (entry.revalidate === 0 || entry.expire < DYNAMIC_EXPIRE)) {
+                // The entry was omitted from the prerender result, and subsequently
+                // does not need to be included in the serialized RDC.
+                return null;
+            }
+            const [left, right] = entry.value.tee();
+            entry.value = right;
+            let binaryString = '';
+            // We want to encode the value as a string, but we aren't sure if the
+            // value is a a stream of UTF-8 bytes or not, so let's just encode it
+            // as a string using base64.
+            for await (const chunk of left){
+                binaryString += arrayBufferToString(chunk);
+            }
+            return [
+                key,
+                {
+                    entry: {
+                        // Encode the value as a base64 string.
+                        value: btoa(binaryString),
+                        tags: entry.tags,
+                        stale: entry.stale,
+                        timestamp: entry.timestamp,
+                        expire: entry.expire,
+                        revalidate: entry.revalidate
+                    },
+                    hasExplicitRevalidate,
+                    hasExplicitExpire,
+                    readRootParamNames: readRootParamNames ? [
+                        ...readRootParamNames
+                    ] : undefined
+                }
+            ];
+        }).catch(()=>{
+            // Any failed cache writes should be ignored as to not discard the
+            // entire cache.
+            return null;
+        });
+    }));
+}
+
+//# sourceMappingURL=cache-store.js.map

node_modules/next/dist/esm/server/resume-data-cache/resume-data-cache.js

@@ -0,0 +1,112 @@
+import { InvariantError } from '../../shared/lib/invariant-error';
+import { serializeUseCacheCacheStore, parseUseCacheCacheStore } from './cache-store';
+/**
+ * Serializes a resume data cache into a JSON string for storage or
+ * transmission. Handles 'use cache' values, fetch responses, and encrypted
+ * bound args for inline server functions.
+ *
+ * @param resumeDataCache - The immutable cache to serialize
+ * @returns A Promise that resolves to the serialized cache as a JSON string, or
+ * 'null' if empty
+ */ export async function stringifyResumeDataCache(resumeDataCache, isCacheComponentsEnabled) {
+    if (process.env.NEXT_RUNTIME === 'edge') {
+        throw Object.defineProperty(new InvariantError('`stringifyResumeDataCache` should not be called in edge runtime.'), "__NEXT_ERROR_CODE", {
+            value: "E602",
+            enumerable: false,
+            configurable: true
+        });
+    } else {
+        if (resumeDataCache.fetch.size === 0 && resumeDataCache.cache.size === 0) {
+            return 'null';
+        }
+        const json = {
+            store: {
+                fetch: Object.fromEntries(Array.from(resumeDataCache.fetch.entries())),
+                cache: Object.fromEntries((await serializeUseCacheCacheStore(resumeDataCache.cache.entries(), isCacheComponentsEnabled)).filter((entry)=>entry !== null)),
+                encryptedBoundArgs: Object.fromEntries(Array.from(resumeDataCache.encryptedBoundArgs.entries()))
+            }
+        };
+        // Compress the JSON string using zlib. As the data we already want to
+        // decompress is in memory, we use the synchronous deflateSync function.
+        const { deflateSync } = require('node:zlib');
+        return deflateSync(JSON.stringify(json)).toString('base64');
+    }
+}
+/**
+ * Creates a new empty mutable resume data cache for pre-rendering.
+ * Initializes fresh Map instances for both the 'use cache' and fetch caches.
+ * Used at the start of pre-rendering to begin collecting cached values.
+ *
+ * @returns A new empty PrerenderResumeDataCache instance
+ */ export function createPrerenderResumeDataCache(source) {
+    if (source) {
+        return {
+            cache: new Map(source.cache),
+            fetch: new Map(source.fetch),
+            encryptedBoundArgs: new Map(source.encryptedBoundArgs),
+            decryptedBoundArgs: new Map(source.decryptedBoundArgs)
+        };
+    } else {
+        return {
+            cache: new Map(),
+            fetch: new Map(),
+            encryptedBoundArgs: new Map(),
+            decryptedBoundArgs: new Map()
+        };
+    }
+}
+export function createRenderResumeDataCache(resumeDataCacheOrPersistedCache, maxPostponedStateSizeBytes) {
+    if (process.env.NEXT_RUNTIME === 'edge') {
+        throw Object.defineProperty(new InvariantError('`createRenderResumeDataCache` should not be called in edge runtime.'), "__NEXT_ERROR_CODE", {
+            value: "E556",
+            enumerable: false,
+            configurable: true
+        });
+    } else {
+        if (typeof resumeDataCacheOrPersistedCache !== 'string') {
+            // If the cache is already a prerender or render cache, we can return it
+            // directly. For the former, we're just performing a type change.
+            return resumeDataCacheOrPersistedCache;
+        }
+        if (resumeDataCacheOrPersistedCache === 'null') {
+            return {
+                cache: new Map(),
+                fetch: new Map(),
+                encryptedBoundArgs: new Map(),
+                decryptedBoundArgs: new Map()
+            };
+        }
+        // This should be a compressed string. Let's decompress it using zlib.
+        // As the data we already want to decompress is in memory, we use the
+        // synchronous inflateSync function.
+        const { inflateSync } = require('node:zlib');
+        // Limit decompressed size to prevent zipbomb attacks. This is 5x the
+        // configured maxPostponedStateSize, allowing reasonable compression
+        // ratios while preventing extreme decompression bombs.
+        // Default is 500MB (5x the default 100MB compressed limit).
+        const maxDecompressedSize = maxPostponedStateSizeBytes ? maxPostponedStateSizeBytes * 5 : 500 * 1024 * 1024;
+        let json;
+        try {
+            json = JSON.parse(inflateSync(Buffer.from(resumeDataCacheOrPersistedCache, 'base64'), {
+                maxOutputLength: maxDecompressedSize
+            }).toString('utf-8'));
+        } catch (err) {
+            if (err instanceof RangeError && err.code === 'ERR_BUFFER_TOO_LARGE') {
+                throw Object.defineProperty(new Error(`Decompressed resume data cache exceeded ${maxDecompressedSize} byte limit`), "__NEXT_ERROR_CODE", {
+                    value: "E976",
+                    enumerable: false,
+                    configurable: true
+                });
+            }
+            throw err;
+        }
+        return {
+            cache: parseUseCacheCacheStore(Object.entries(json.store.cache)),
+            fetch: new Map(Object.entries(json.store.fetch)),
+            encryptedBoundArgs: new Map(Object.entries(json.store.encryptedBoundArgs)),
+            decryptedBoundArgs: new Map()
+        };
+    }
+}
+
+//# sourceMappingURL=resume-data-cache.js.map