FM / lib

/opt/canhelp/node_modules/next/dist/esm/server/lib/

/opt/canhelp/node_modules/next/dist/esm/server/lib

Name	Size	Mode	Actions
cache-handlers/	-	0755	rm
experimental/	-	0755	rm
incremental-cache/	-	0755	rm
module-loader/	-	0755	rm
router-utils/	-	0755	rm
server-ipc/	-	0755	rm
trace/	-	0755	rm
app-dir-module.js	1164	0644	edit dl rm
app-dir-module.js.map	2598	0644	edit dl rm
app-info-log.js	2723	0644	edit dl rm
app-info-log.js.map	5827	0644	edit dl rm
async-callback-set.js	519	0644	edit dl rm
async-callback-set.js.map	1097	0644	edit dl rm
cache-control.js	583	0644	edit dl rm
cache-control.js.map	1622	0644	edit dl rm
chrome-devtools-workspace.js	2297	0644	edit dl rm
chrome-devtools-workspace.js.map	4145	0644	edit dl rm
clone-response.js	2883	0644	edit dl rm
clone-response.js.map	4441	0644	edit dl rm
cpu-profile.js	1020	0644	edit dl rm
cpu-profile.js.map	2061	0644	edit dl rm
decode-query-path-parameter.js	458	0644	edit dl rm
decode-query-path-parameter.js.map	740	0644	edit dl rm
dedupe-fetch.js	5085	0644	edit dl rm
dedupe-fetch.js.map	7374	0644	edit dl rm
dev-bundler-service.js	3110	0644	edit dl rm
dev-bundler-service.js.map	5838	0644	edit dl rm
disk-lru-cache.external.js	1857	0644	edit dl rm
disk-lru-cache.external.js.map	3149	0644	edit dl rm
etag.js	1148	0644	edit dl rm
etag.js.map	2165	0644	edit dl rm
find-page-file.js	5445	0644	edit dl rm
find-page-file.js.map	9480	0644	edit dl rm
fix-mojibake.js	523	0644	edit dl rm
fix-mojibake.js.map	1026	0644	edit dl rm
format-hostname.js	332	0644	edit dl rm
format-hostname.js.map	616	0644	edit dl rm
i18n-provider.js	5531	0644	edit dl rm
i18n-provider.js.map	9041	0644	edit dl rm
implicit-tags.js	2450	0644	edit dl rm
implicit-tags.js.map	5238	0644	edit dl rm
is-ipv6.js	2090	0644	edit dl rm
is-ipv6.js.map	3388	0644	edit dl rm
lazy-result.js	939	0644	edit dl rm
lazy-result.js.map	1869	0644	edit dl rm
lru-cache.js	7148	0644	edit dl rm
lru-cache.js.map	11374	0644	edit dl rm
match-next-data-pathname.js	312	0644	edit dl rm
match-next-data-pathname.js.map	629	0644	edit dl rm
mock-request.js	13753	0644	edit dl rm
mock-request.js.map	21224	0644	edit dl rm
node-fs-methods.js	364	0644	edit dl rm
node-fs-methods.js.map	946	0644	edit dl rm
parse-stack.js	1561	0644	edit dl rm
parse-stack.js.map	2983	0644	edit dl rm
patch-fetch.js	44939	0644	edit dl rm
patch-fetch.js.map	64721	0644	edit dl rm
patch-set-header.js	1368	0644	edit dl rm
patch-set-header.js.map	2471	0644	edit dl rm
render-server.js	2988	0644	edit dl rm
render-server.js.map	6276	0644	edit dl rm
router-server.js	30029	0644	edit dl rm
router-server.js.map	46752	0644	edit dl rm
server-action-request-meta.js	1530	0644	edit dl rm
server-action-request-meta.js.map	3030	0644	edit dl rm
source-maps.js	8172	0644	edit dl rm
source-maps.js.map	14812	0644	edit dl rm
start-server.js	16797	0644	edit dl rm
start-server.js.map	27727	0644	edit dl rm
streaming-metadata.js	762	0644	edit dl rm
streaming-metadata.js.map	1582	0644	edit dl rm
to-route.js	582	0644	edit dl rm
to-route.js.map	848	0644	edit dl rm
types.js	46	0644	edit dl rm
types.js.map	451	0644	edit dl rm
utils.js	8516	0644	edit dl rm
utils.js.map	13627	0644	edit dl rm
worker-utils.js	755	0644	edit dl rm
worker-utils.js.map	1120	0644	edit dl rm

Edit: /opt/canhelp/node_modules/next/dist/esm/server/lib/patch-fetch.js (44939B)

import { AppRenderSpan, NextNodeServerSpan } from './trace/constants';
import { getTracer, SpanKind } from './trace/tracer';
import { CACHE_ONE_YEAR, INFINITE_CACHE, NEXT_CACHE_TAG_MAX_ITEMS, NEXT_CACHE_TAG_MAX_LENGTH } from '../../lib/constants';
import { markCurrentScopeAsDynamic } from '../app-render/dynamic-rendering';
import { makeHangingPromise } from '../dynamic-rendering-utils';
import { createDedupeFetch } from './dedupe-fetch';
import { getCacheSignal } from '../app-render/work-unit-async-storage.external';
import { CachedRouteKind, IncrementalCacheKind } from '../response-cache';
import { waitAtLeastOneReactRenderTask } from '../../lib/scheduler';
import { cloneResponse } from './clone-response';
const isEdgeRuntime = process.env.NEXT_RUNTIME === 'edge';
export const NEXT_PATCH_SYMBOL = Symbol.for('next-patch');
function isFetchPatched() {
    return globalThis[NEXT_PATCH_SYMBOL] === true;
}
export function validateRevalidate(revalidateVal, route) {
    try {
        let normalizedRevalidate = undefined;
        if (revalidateVal === false) {
            normalizedRevalidate = INFINITE_CACHE;
        } else if (typeof revalidateVal === 'number' && !isNaN(revalidateVal) && revalidateVal > -1) {
            normalizedRevalidate = revalidateVal;
        } else if (typeof revalidateVal !== 'undefined') {
            throw Object.defineProperty(new Error(`Invalid revalidate value "${revalidateVal}" on "${route}", must be a non-negative number or false`), "__NEXT_ERROR_CODE", {
                value: "E179",
                enumerable: false,
                configurable: true
            });
        }
        return normalizedRevalidate;
    } catch (err) {
        // handle client component error from attempting to check revalidate value
        if (err instanceof Error && err.message.includes('Invalid revalidate')) {
            throw err;
        }
        return undefined;
    }
}
export function validateTags(tags, description) {
    const validTags = [];
    const invalidTags = [];
    for(let i = 0; i < tags.length; i++){
        const tag = tags[i];
        if (typeof tag !== 'string') {
            invalidTags.push({
                tag,
                reason: 'invalid type, must be a string'
            });
        } else if (tag.length > NEXT_CACHE_TAG_MAX_LENGTH) {
            invalidTags.push({
                tag,
                reason: `exceeded max length of ${NEXT_CACHE_TAG_MAX_LENGTH}`
            });
        } else {
            validTags.push(tag);
        }
        if (validTags.length > NEXT_CACHE_TAG_MAX_ITEMS) {
            console.warn(`Warning: exceeded max tag count for ${description}, dropped tags:`, tags.slice(i).join(', '));
            break;
        }
    }
    if (invalidTags.length > 0) {
        console.warn(`Warning: invalid tags passed to ${description}: `);
        for (const { tag, reason } of invalidTags){
            console.log(`tag: "${tag}" ${reason}`);
        }
    }
    return validTags;
}
function trackFetchMetric(workStore, ctx) {
    if (!workStore.shouldTrackFetchMetrics) {
        return;
    }
    workStore.fetchMetrics ??= [];
    workStore.fetchMetrics.push({
        ...ctx,
        end: performance.timeOrigin + performance.now(),
        idx: workStore.nextFetchId || 0
    });
}
async function createCachedPrerenderResponse(res, cacheKey, incrementalCacheContext, incrementalCache, revalidate, handleUnlock) {
    // We are prerendering at build time or revalidate time with cacheComponents so we
    // need to buffer the response so we can guarantee it can be read in a
    // microtask.
    const bodyBuffer = await res.arrayBuffer();
    const fetchedData = {
        headers: Object.fromEntries(res.headers.entries()),
        body: Buffer.from(bodyBuffer).toString('base64'),
        status: res.status,
        url: res.url
    };
    // We can skip setting the serverComponentsHmrCache because we aren't in dev
    // mode.
    if (incrementalCacheContext) {
        await incrementalCache.set(cacheKey, {
            kind: CachedRouteKind.FETCH,
            data: fetchedData,
            revalidate
        }, incrementalCacheContext);
    }
    await handleUnlock();
    // We return a new Response to the caller.
    return new Response(bodyBuffer, {
        headers: res.headers,
        status: res.status,
        statusText: res.statusText
    });
}
async function createCachedDynamicResponse(workStore, res, cacheKey, incrementalCacheContext, incrementalCache, serverComponentsHmrCache, revalidate, input, handleUnlock) {
    // We're cloning the response using this utility because there exists a bug in
    // the undici library around response cloning. See the following pull request
    // for more details: https://github.com/vercel/next.js/pull/73274
    const [cloned1, cloned2] = cloneResponse(res);
    // We are dynamically rendering including dev mode. We want to return the
    // response to the caller as soon as possible because it might stream over a
    // very long time.
    const cacheSetPromise = cloned1.arrayBuffer().then(async (arrayBuffer)=>{
        const bodyBuffer = Buffer.from(arrayBuffer);
        const fetchedData = {
            headers: Object.fromEntries(cloned1.headers.entries()),
            body: bodyBuffer.toString('base64'),
            status: cloned1.status,
            url: cloned1.url
        };
        serverComponentsHmrCache == null ? void 0 : serverComponentsHmrCache.set(cacheKey, fetchedData);
        if (incrementalCacheContext) {
            await incrementalCache.set(cacheKey, {
                kind: CachedRouteKind.FETCH,
                data: fetchedData,
                revalidate
            }, incrementalCacheContext);
        }
    }).catch((error)=>console.warn(`Failed to set fetch cache`, input, error)).finally(handleUnlock);
    const pendingRevalidateKey = `cache-set-${cacheKey}`;
    workStore.pendingRevalidates ??= {};
    if (pendingRevalidateKey in workStore.pendingRevalidates) {
        // there is already a pending revalidate entry that we need to await to
        // avoid race conditions
        await workStore.pendingRevalidates[pendingRevalidateKey];
    }
    workStore.pendingRevalidates[pendingRevalidateKey] = cacheSetPromise.finally(()=>{
        var _workStore_pendingRevalidates;
        // If the pending revalidate is not present in the store, then we have
        // nothing to delete.
        if (!((_workStore_pendingRevalidates = workStore.pendingRevalidates) == null ? void 0 : _workStore_pendingRevalidates[pendingRevalidateKey])) {
            return;
        }
        delete workStore.pendingRevalidates[pendingRevalidateKey];
    });
    return cloned2;
}
export function createPatchedFetcher(originFetch, { workAsyncStorage, workUnitAsyncStorage }) {
    // Create the patched fetch function.
    const patched = async function fetch(input, init) {
        var _init_method, _init_next;
        let url;
        try {
            url = new URL(input instanceof Request ? input.url : input);
            url.username = '';
            url.password = '';
        } catch  {
            // Error caused by malformed URL should be handled by native fetch
            url = undefined;
        }
        const fetchUrl = (url == null ? void 0 : url.href) ?? '';
        const method = (init == null ? void 0 : (_init_method = init.method) == null ? void 0 : _init_method.toUpperCase()) || 'GET';
        // Do create a new span trace for internal fetches in the
        // non-verbose mode.
        const isInternal = (init == null ? void 0 : (_init_next = init.next) == null ? void 0 : _init_next.internal) === true;
        const hideSpan = process.env.NEXT_OTEL_FETCH_DISABLED === '1';
        // We don't track fetch metrics for internal fetches
        // so it's not critical that we have a start time, as it won't be recorded.
        // This is to workaround a flaky issue where performance APIs might
        // not be available and will require follow-up investigation.
        const fetchStart = isInternal ? undefined : performance.timeOrigin + performance.now();
        const workStore = workAsyncStorage.getStore();
        const workUnitStore = workUnitAsyncStorage.getStore();
        // During static generation we track cache reads so we can reason about when they fill
        let cacheSignal = workUnitStore ? getCacheSignal(workUnitStore) : null;
        if (cacheSignal) {
            cacheSignal.beginRead();
        }
        const result = getTracer().trace(isInternal ? NextNodeServerSpan.internalFetch : AppRenderSpan.fetch, {
            hideSpan,
            kind: SpanKind.CLIENT,
            spanName: [
                'fetch',
                method,
                fetchUrl
            ].filter(Boolean).join(' '),
            attributes: {
                'http.url': fetchUrl,
                'http.method': method,
                'net.peer.name': url == null ? void 0 : url.hostname,
                'net.peer.port': (url == null ? void 0 : url.port) || undefined
            }
        }, async ()=>{
            var _getRequestMeta;
            // If this is an internal fetch, we should not do any special treatment.
            if (isInternal) {
                return originFetch(input, init);
            }
            // If the workStore is not available, we can't do any
            // special treatment of fetch, therefore fallback to the original
            // fetch implementation.
            if (!workStore) {
                return originFetch(input, init);
            }
            // We should also fallback to the original fetch implementation if we
            // are in draft mode, it does not constitute a static generation.
            if (workStore.isDraftMode) {
                return originFetch(input, init);
            }
            const isRequestInput = input && typeof input === 'object' && typeof input.method === 'string';
            const getRequestMeta = (field)=>{
                // If request input is present but init is not, retrieve from input first.
                const value = init == null ? void 0 : init[field];
                return value || (isRequestInput ? input[field] : null);
            };
            let finalRevalidate = undefined;
            const getNextField = (field)=>{
                var _init_next, _init_next1, _input_next;
                return typeof (init == null ? void 0 : (_init_next = init.next) == null ? void 0 : _init_next[field]) !== 'undefined' ? init == null ? void 0 : (_init_next1 = init.next) == null ? void 0 : _init_next1[field] : isRequestInput ? (_input_next = input.next) == null ? void 0 : _input_next[field] : undefined;
            };
            // RequestInit doesn't keep extra fields e.g. next so it's
            // only available if init is used separate
            const originalFetchRevalidate = getNextField('revalidate');
            let currentFetchRevalidate = originalFetchRevalidate;
            const tags = validateTags(getNextField('tags') || [], `fetch ${input.toString()}`);
            let revalidateStore;
            if (workUnitStore) {
                switch(workUnitStore.type){
                    case 'prerender':
                    case 'prerender-runtime':
                    // TODO: Stop accumulating tags in client prerender. (fallthrough)
                    case 'prerender-client':
                    case 'prerender-ppr':
                    case 'prerender-legacy':
                    case 'cache':
                    case 'private-cache':
                        revalidateStore = workUnitStore;
                        break;
                    case 'request':
                    case 'unstable-cache':
                        break;
                    default:
                        workUnitStore;
                }
            }
            if (revalidateStore) {
                if (Array.isArray(tags)) {
                    // Collect tags onto parent caches or parent prerenders.
                    const collectedTags = revalidateStore.tags ?? (revalidateStore.tags = []);
                    for (const tag of tags){
                        if (!collectedTags.includes(tag)) {
                            collectedTags.push(tag);
                        }
                    }
                }
            }
            const implicitTags = workUnitStore == null ? void 0 : workUnitStore.implicitTags;
            let pageFetchCacheMode = workStore.fetchCache;
            if (workUnitStore) {
                switch(workUnitStore.type){
                    case 'unstable-cache':
                        // Inside unstable-cache we treat it the same as force-no-store on
                        // the page.
                        pageFetchCacheMode = 'force-no-store';
                        break;
                    case 'prerender':
                    case 'prerender-client':
                    case 'prerender-runtime':
                    case 'prerender-ppr':
                    case 'prerender-legacy':
                    case 'request':
                    case 'cache':
                    case 'private-cache':
                        break;
                    default:
                        workUnitStore;
                }
            }
            const isUsingNoStore = !!workStore.isUnstableNoStore;
            let currentFetchCacheConfig = getRequestMeta('cache');
            let cacheReason = '';
            let cacheWarning;
            if (typeof currentFetchCacheConfig === 'string' && typeof currentFetchRevalidate !== 'undefined') {
                // If the revalidate value conflicts with the cache value, we should warn the user and unset the conflicting values.
                const isConflictingRevalidate = // revalidate: 0 and cache: force-cache
                currentFetchCacheConfig === 'force-cache' && currentFetchRevalidate === 0 || // revalidate: >0 or revalidate: false and cache: no-store
                currentFetchCacheConfig === 'no-store' && (currentFetchRevalidate > 0 || currentFetchRevalidate === false);
                if (isConflictingRevalidate) {
                    cacheWarning = `Specified "cache: ${currentFetchCacheConfig}" and "revalidate: ${currentFetchRevalidate}", only one should be specified.`;
                    currentFetchCacheConfig = undefined;
                    currentFetchRevalidate = undefined;
                }
            }
            const hasExplicitFetchCacheOptOut = // fetch config itself signals not to cache
            currentFetchCacheConfig === 'no-cache' || currentFetchCacheConfig === 'no-store' || // the fetch isn't explicitly caching and the segment level cache config signals not to cache
            // note: `pageFetchCacheMode` is also set by being in an unstable_cache context.
            pageFetchCacheMode === 'force-no-store' || pageFetchCacheMode === 'only-no-store';
            // If no explicit fetch cache mode is set, but dynamic = `force-dynamic` is set,
            // we shouldn't consider caching the fetch. This is because the `dynamic` cache
            // is considered a "top-level" cache mode, whereas something like `fetchCache` is more
            // fine-grained. Top-level modes are responsible for setting reasonable defaults for the
            // other configurations.
            const noFetchConfigAndForceDynamic = !pageFetchCacheMode && !currentFetchCacheConfig && !currentFetchRevalidate && workStore.forceDynamic;
            if (// force-cache was specified without a revalidate value. We set the revalidate value to false
            // which will signal the cache to not revalidate
            currentFetchCacheConfig === 'force-cache' && typeof currentFetchRevalidate === 'undefined') {
                currentFetchRevalidate = false;
            } else if (hasExplicitFetchCacheOptOut || noFetchConfigAndForceDynamic) {
                currentFetchRevalidate = 0;
            }
            if (currentFetchCacheConfig === 'no-cache' || currentFetchCacheConfig === 'no-store') {
                cacheReason = `cache: ${currentFetchCacheConfig}`;
            }
            finalRevalidate = validateRevalidate(currentFetchRevalidate, workStore.route);
            const _headers = getRequestMeta('headers');
            const initHeaders = typeof (_headers == null ? void 0 : _headers.get) === 'function' ? _headers : new Headers(_headers || {});
            const hasUnCacheableHeader = initHeaders.get('authorization') || initHeaders.get('cookie');
            const isUnCacheableMethod = ![
                'get',
                'head'
            ].includes(((_getRequestMeta = getRequestMeta('method')) == null ? void 0 : _getRequestMeta.toLowerCase()) || 'get');
            /**
         * We automatically disable fetch caching under the following conditions:
         * - Fetch cache configs are not set. Specifically:
         *    - A page fetch cache mode is not set (export const fetchCache=...)
         *    - A fetch cache mode is not set in the fetch call (fetch(url, { cache: ... }))
         *      or the fetch cache mode is set to 'default'
         *    - A fetch revalidate value is not set in the fetch call (fetch(url, { revalidate: ... }))
         * - OR the fetch comes after a configuration that triggered dynamic rendering (e.g., reading cookies())
         *   and the fetch was considered uncacheable (e.g., POST method or has authorization headers)
         */ const hasNoExplicitCacheConfig = // eslint-disable-next-line eqeqeq
            pageFetchCacheMode == undefined && // eslint-disable-next-line eqeqeq
            (currentFetchCacheConfig == undefined || // when considering whether to opt into the default "no-cache" fetch semantics,
            // a "default" cache config should be treated the same as no cache config
            currentFetchCacheConfig === 'default') && // eslint-disable-next-line eqeqeq
            currentFetchRevalidate == undefined;
            let autoNoCache = Boolean((hasUnCacheableHeader || isUnCacheableMethod) && (revalidateStore == null ? void 0 : revalidateStore.revalidate) === 0);
            let isImplicitBuildTimeCache = false;
            if (!autoNoCache && hasNoExplicitCacheConfig) {
                // We don't enable automatic no-cache behavior during build-time
                // prerendering so that we can still leverage the fetch cache between
                // export workers.
                if (workStore.isBuildTimePrerendering) {
                    isImplicitBuildTimeCache = true;
                } else {
                    autoNoCache = true;
                }
            }
            // If we have no cache config, and we're in Dynamic I/O prerendering,
            // it'll be a dynamic call. We don't have to issue that dynamic call.
            if (hasNoExplicitCacheConfig && workUnitStore !== undefined) {
                switch(workUnitStore.type){
                    case 'prerender':
                    case 'prerender-runtime':
                    // While we don't want to do caching in the client scope we know the
                    // fetch will be dynamic for cacheComponents so we may as well avoid the
                    // call here. (fallthrough)
                    case 'prerender-client':
                        if (cacheSignal) {
                            cacheSignal.endRead();
                            cacheSignal = null;
                        }
                        return makeHangingPromise(workUnitStore.renderSignal, workStore.route, 'fetch()');
                    case 'prerender-ppr':
                    case 'prerender-legacy':
                    case 'request':
                    case 'cache':
                    case 'private-cache':
                    case 'unstable-cache':
                        break;
                    default:
                        workUnitStore;
                }
            }
            switch(pageFetchCacheMode){
                case 'force-no-store':
                    {
                        cacheReason = 'fetchCache = force-no-store';
                        break;
                    }
                case 'only-no-store':
                    {
                        if (currentFetchCacheConfig === 'force-cache' || typeof finalRevalidate !== 'undefined' && finalRevalidate > 0) {
                            throw Object.defineProperty(new Error(`cache: 'force-cache' used on fetch for ${fetchUrl} with 'export const fetchCache = 'only-no-store'`), "__NEXT_ERROR_CODE", {
                                value: "E448",
                                enumerable: false,
                                configurable: true
                            });
                        }
                        cacheReason = 'fetchCache = only-no-store';
                        break;
                    }
                case 'only-cache':
                    {
                        if (currentFetchCacheConfig === 'no-store') {
                            throw Object.defineProperty(new Error(`cache: 'no-store' used on fetch for ${fetchUrl} with 'export const fetchCache = 'only-cache'`), "__NEXT_ERROR_CODE", {
                                value: "E521",
                                enumerable: false,
                                configurable: true
                            });
                        }
                        break;
                    }
                case 'force-cache':
                    {
                        if (typeof currentFetchRevalidate === 'undefined' || currentFetchRevalidate === 0) {
                            cacheReason = 'fetchCache = force-cache';
                            finalRevalidate = INFINITE_CACHE;
                        }
                        break;
                    }
                case 'default-cache':
                case 'default-no-store':
                case 'auto':
                case undefined:
                    break;
                default:
                    pageFetchCacheMode;
            }
            if (typeof finalRevalidate === 'undefined') {
                if (pageFetchCacheMode === 'default-cache' && !isUsingNoStore) {
                    finalRevalidate = INFINITE_CACHE;
                    cacheReason = 'fetchCache = default-cache';
                } else if (pageFetchCacheMode === 'default-no-store') {
                    finalRevalidate = 0;
                    cacheReason = 'fetchCache = default-no-store';
                } else if (isUsingNoStore) {
                    finalRevalidate = 0;
                    cacheReason = 'noStore call';
                } else if (autoNoCache) {
                    finalRevalidate = 0;
                    cacheReason = 'auto no cache';
                } else {
                    // TODO: should we consider this case an invariant?
                    cacheReason = 'auto cache';
                    finalRevalidate = revalidateStore ? revalidateStore.revalidate : INFINITE_CACHE;
                }
            } else if (!cacheReason) {
                cacheReason = `revalidate: ${finalRevalidate}`;
            }
            if (// when force static is configured we don't bail from
            // `revalidate: 0` values
            !(workStore.forceStatic && finalRevalidate === 0) && // we don't consider autoNoCache to switch to dynamic for ISR
            !autoNoCache && // If the revalidate value isn't currently set or the value is less
            // than the current revalidate value, we should update the revalidate
            // value.
            revalidateStore && finalRevalidate < revalidateStore.revalidate) {
                // If we were setting the revalidate value to 0, we should try to
                // postpone instead first.
                if (finalRevalidate === 0) {
                    if (workUnitStore) {
                        switch(workUnitStore.type){
                            case 'prerender':
                            case 'prerender-client':
                            case 'prerender-runtime':
                                if (cacheSignal) {
                                    cacheSignal.endRead();
                                    cacheSignal = null;
                                }
                                return makeHangingPromise(workUnitStore.renderSignal, workStore.route, 'fetch()');
                            case 'prerender-ppr':
                            case 'prerender-legacy':
                            case 'request':
                            case 'cache':
                            case 'private-cache':
                            case 'unstable-cache':
                                break;
                            default:
                                workUnitStore;
                        }
                    }
                    markCurrentScopeAsDynamic(workStore, workUnitStore, `revalidate: 0 fetch ${input} ${workStore.route}`);
                }
                // We only want to set the revalidate store's revalidate time if it
                // was explicitly set for the fetch call, i.e.
                // originalFetchRevalidate.
                if (revalidateStore && originalFetchRevalidate === finalRevalidate) {
                    revalidateStore.revalidate = finalRevalidate;
                }
            }
            const isCacheableRevalidate = typeof finalRevalidate === 'number' && finalRevalidate > 0;
            let cacheKey;
            const { incrementalCache } = workStore;
            let isHmrRefresh = false;
            let serverComponentsHmrCache;
            if (workUnitStore) {
                switch(workUnitStore.type){
                    case 'request':
                    case 'cache':
                    case 'private-cache':
                        isHmrRefresh = workUnitStore.isHmrRefresh ?? false;
                        serverComponentsHmrCache = workUnitStore.serverComponentsHmrCache;
                        break;
                    case 'prerender':
                    case 'prerender-client':
                    case 'prerender-runtime':
                    case 'prerender-ppr':
                    case 'prerender-legacy':
                    case 'unstable-cache':
                        break;
                    default:
                        workUnitStore;
                }
            }
            if (incrementalCache && (isCacheableRevalidate || serverComponentsHmrCache)) {
                try {
                    cacheKey = await incrementalCache.generateCacheKey(fetchUrl, isRequestInput ? input : init);
                } catch (err) {
                    console.error(`Failed to generate cache key for`, input);
                }
            }
            const fetchIdx = workStore.nextFetchId ?? 1;
            workStore.nextFetchId = fetchIdx + 1;
            let handleUnlock = ()=>{};
            const doOriginalFetch = async (isStale, cacheReasonOverride)=>{
                const requestInputFields = [
                    'cache',
                    'credentials',
                    'headers',
                    'integrity',
                    'keepalive',
                    'method',
                    'mode',
                    'redirect',
                    'referrer',
                    'referrerPolicy',
                    'window',
                    'duplex',
                    // don't pass through signal when revalidating
                    ...isStale ? [] : [
                        'signal'
                    ]
                ];
                if (isRequestInput) {
                    const reqInput = input;
                    const reqOptions = {
                        body: reqInput._ogBody || reqInput.body
                    };
                    for (const field of requestInputFields){
                        // @ts-expect-error custom fields
                        reqOptions[field] = reqInput[field];
                    }
                    input = new Request(reqInput.url, reqOptions);
                } else if (init) {
                    const { _ogBody, body, signal, ...otherInput } = init;
                    init = {
                        ...otherInput,
                        body: _ogBody || body,
                        signal: isStale ? undefined : signal
                    };
                }
                // add metadata to init without editing the original
                const clonedInit = {
                    ...init,
                    next: {
                        ...init == null ? void 0 : init.next,
                        fetchType: 'origin',
                        fetchIdx
                    }
                };
                return originFetch(input, clonedInit).then(async (res)=>{
                    if (!isStale && fetchStart) {
                        trackFetchMetric(workStore, {
                            start: fetchStart,
                            url: fetchUrl,
                            cacheReason: cacheReasonOverride || cacheReason,
                            cacheStatus: finalRevalidate === 0 || cacheReasonOverride ? 'skip' : 'miss',
                            cacheWarning,
                            status: res.status,
                            method: clonedInit.method || 'GET'
                        });
                    }
                    if (res.status === 200 && incrementalCache && cacheKey && (isCacheableRevalidate || serverComponentsHmrCache)) {
                        const normalizedRevalidate = finalRevalidate >= INFINITE_CACHE ? CACHE_ONE_YEAR : finalRevalidate;
                        const incrementalCacheConfig = isCacheableRevalidate ? {
                            fetchCache: true,
                            fetchUrl,
                            fetchIdx,
                            tags,
                            isImplicitBuildTimeCache
                        } : undefined;
                        switch(workUnitStore == null ? void 0 : workUnitStore.type){
                            case 'prerender':
                            case 'prerender-client':
                            case 'prerender-runtime':
                                return createCachedPrerenderResponse(res, cacheKey, incrementalCacheConfig, incrementalCache, normalizedRevalidate, handleUnlock);
                            case 'prerender-ppr':
                            case 'prerender-legacy':
                            case 'request':
                            case 'cache':
                            case 'private-cache':
                            case 'unstable-cache':
                            case undefined:
                                return createCachedDynamicResponse(workStore, res, cacheKey, incrementalCacheConfig, incrementalCache, serverComponentsHmrCache, normalizedRevalidate, input, handleUnlock);
                            default:
                                workUnitStore;
                        }
                    }
                    // we had response that we determined shouldn't be cached so we return it
                    // and don't cache it. This also needs to unlock the cache lock we acquired.
                    await handleUnlock();
                    return res;
                }).catch((error)=>{
                    handleUnlock();
                    throw error;
                });
            };
            let cacheReasonOverride;
            let isForegroundRevalidate = false;
            let isHmrRefreshCache = false;
            if (cacheKey && incrementalCache) {
                let cachedFetchData;
                if (isHmrRefresh && serverComponentsHmrCache) {
                    cachedFetchData = serverComponentsHmrCache.get(cacheKey);
                    isHmrRefreshCache = true;
                }
                if (isCacheableRevalidate && !cachedFetchData) {
                    handleUnlock = await incrementalCache.lock(cacheKey);
                    const entry = workStore.isOnDemandRevalidate ? null : await incrementalCache.get(cacheKey, {
                        kind: IncrementalCacheKind.FETCH,
                        revalidate: finalRevalidate,
                        fetchUrl,
                        fetchIdx,
                        tags,
                        softTags: implicitTags == null ? void 0 : implicitTags.tags
                    });
                    if (hasNoExplicitCacheConfig && workUnitStore) {
                        switch(workUnitStore.type){
                            case 'prerender':
                            case 'prerender-client':
                            case 'prerender-runtime':
                                // We sometimes use the cache to dedupe fetches that do not
                                // specify a cache configuration. In these cases we want to
                                // make sure we still exclude them from prerenders if
                                // cacheComponents is on so we introduce an artificial task boundary
                                // here.
                                await waitAtLeastOneReactRenderTask();
                                break;
                            case 'prerender-ppr':
                            case 'prerender-legacy':
                            case 'request':
                            case 'cache':
                            case 'private-cache':
                            case 'unstable-cache':
                                break;
                            default:
                                workUnitStore;
                        }
                    }
                    if (entry) {
                        await handleUnlock();
                    } else {
                        // in dev, incremental cache response will be null in case the browser adds `cache-control: no-cache` in the request headers
                        cacheReasonOverride = 'cache-control: no-cache (hard refresh)';
                    }
                    if ((entry == null ? void 0 : entry.value) && entry.value.kind === CachedRouteKind.FETCH) {
                        // when stale and is revalidating we wait for fresh data
                        // so the revalidated entry has the updated data
                        if (workStore.isRevalidate && entry.isStale) {
                            isForegroundRevalidate = true;
                        } else {
                            if (entry.isStale) {
                                workStore.pendingRevalidates ??= {};
                                if (!workStore.pendingRevalidates[cacheKey]) {
                                    const pendingRevalidate = doOriginalFetch(true).then(async (response)=>({
                                            body: await response.arrayBuffer(),
                                            headers: response.headers,
                                            status: response.status,
                                            statusText: response.statusText
                                        })).finally(()=>{
                                        workStore.pendingRevalidates ??= {};
                                        delete workStore.pendingRevalidates[cacheKey || ''];
                                    });
                                    // Attach the empty catch here so we don't get a "unhandled
                                    // promise rejection" warning.
                                    pendingRevalidate.catch(console.error);
                                    workStore.pendingRevalidates[cacheKey] = pendingRevalidate;
                                }
                            }
                            cachedFetchData = entry.value.data;
                        }
                    }
                }
                if (cachedFetchData) {
                    if (fetchStart) {
                        trackFetchMetric(workStore, {
                            start: fetchStart,
                            url: fetchUrl,
                            cacheReason,
                            cacheStatus: isHmrRefreshCache ? 'hmr' : 'hit',
                            cacheWarning,
                            status: cachedFetchData.status || 200,
                            method: (init == null ? void 0 : init.method) || 'GET'
                        });
                    }
                    const response = new Response(Buffer.from(cachedFetchData.body, 'base64'), {
                        headers: cachedFetchData.headers,
                        status: cachedFetchData.status
                    });
                    Object.defineProperty(response, 'url', {
                        value: cachedFetchData.url
                    });
                    return response;
                }
            }
            if (workStore.isStaticGeneration && init && typeof init === 'object') {
                const { cache } = init;
                // Delete `cache` property as Cloudflare Workers will throw an error
                if (isEdgeRuntime) delete init.cache;
                if (cache === 'no-store') {
                    // If enabled, we should bail out of static generation.
                    if (workUnitStore) {
                        switch(workUnitStore.type){
                            case 'prerender':
                            case 'prerender-client':
                            case 'prerender-runtime':
                                if (cacheSignal) {
                                    cacheSignal.endRead();
                                    cacheSignal = null;
                                }
                                return makeHangingPromise(workUnitStore.renderSignal, workStore.route, 'fetch()');
                            case 'prerender-ppr':
                            case 'prerender-legacy':
                            case 'request':
                            case 'cache':
                            case 'private-cache':
                            case 'unstable-cache':
                                break;
                            default:
                                workUnitStore;
                        }
                    }
                    markCurrentScopeAsDynamic(workStore, workUnitStore, `no-store fetch ${input} ${workStore.route}`);
                }
                const hasNextConfig = 'next' in init;
                const { next = {} } = init;
                if (typeof next.revalidate === 'number' && revalidateStore && next.revalidate < revalidateStore.revalidate) {
                    if (next.revalidate === 0) {
                        // If enabled, we should bail out of static generation.
                        if (workUnitStore) {
                            switch(workUnitStore.type){
                                case 'prerender':
                                case 'prerender-client':
                                case 'prerender-runtime':
                                    return makeHangingPromise(workUnitStore.renderSignal, workStore.route, 'fetch()');
                                case 'request':
                                case 'cache':
                                case 'private-cache':
                                case 'unstable-cache':
                                case 'prerender-legacy':
                                case 'prerender-ppr':
                                    break;
                                default:
                                    workUnitStore;
                            }
                        }
                        markCurrentScopeAsDynamic(workStore, workUnitStore, `revalidate: 0 fetch ${input} ${workStore.route}`);
                    }
                    if (!workStore.forceStatic || next.revalidate !== 0) {
                        revalidateStore.revalidate = next.revalidate;
                    }
                }
                if (hasNextConfig) delete init.next;
            }
            // if we are revalidating the whole page via time or on-demand and
            // the fetch cache entry is stale we should still de-dupe the
            // origin hit if it's a cache-able entry
            if (cacheKey && isForegroundRevalidate) {
                const pendingRevalidateKey = cacheKey;
                workStore.pendingRevalidates ??= {};
                let pendingRevalidate = workStore.pendingRevalidates[pendingRevalidateKey];
                if (pendingRevalidate) {
                    const revalidatedResult = await pendingRevalidate;
                    return new Response(revalidatedResult.body, {
                        headers: revalidatedResult.headers,
                        status: revalidatedResult.status,
                        statusText: revalidatedResult.statusText
                    });
                }
                // We used to just resolve the Response and clone it however for
                // static generation with cacheComponents we need the response to be able to
                // be resolved in a microtask and cloning the response will never have
                // a body that can resolve in a microtask in node (as observed through
                // experimentation) So instead we await the body and then when it is
                // available we construct manually cloned Response objects with the
                // body as an ArrayBuffer. This will be resolvable in a microtask
                // making it compatible with cacheComponents.
                const pendingResponse = doOriginalFetch(true, cacheReasonOverride)// We're cloning the response using this utility because there
                // exists a bug in the undici library around response cloning.
                // See the following pull request for more details:
                // https://github.com/vercel/next.js/pull/73274
                .then(cloneResponse);
                pendingRevalidate = pendingResponse.then(async (responses)=>{
                    const response = responses[0];
                    return {
                        body: await response.arrayBuffer(),
                        headers: response.headers,
                        status: response.status,
                        statusText: response.statusText
                    };
                }).finally(()=>{
                    var _workStore_pendingRevalidates;
                    // If the pending revalidate is not present in the store, then
                    // we have nothing to delete.
                    if (!((_workStore_pendingRevalidates = workStore.pendingRevalidates) == null ? void 0 : _workStore_pendingRevalidates[pendingRevalidateKey])) {
                        return;
                    }
                    delete workStore.pendingRevalidates[pendingRevalidateKey];
                });
                // Attach the empty catch here so we don't get a "unhandled promise
                // rejection" warning
                pendingRevalidate.catch(()=>{});
                workStore.pendingRevalidates[pendingRevalidateKey] = pendingRevalidate;
                return pendingResponse.then((responses)=>responses[1]);
            } else {
                return doOriginalFetch(false, cacheReasonOverride);
            }
        });
        if (cacheSignal) {
            try {
                return await result;
            } finally{
                if (cacheSignal) {
                    cacheSignal.endRead();
                }
            }
        }
        return result;
    };
    // Attach the necessary properties to the patched fetch function.
    // We don't use this to determine if the fetch function has been patched,
    // but for external consumers to determine if the fetch function has been
    // patched.
    patched.__nextPatched = true;
    patched.__nextGetStaticStore = ()=>workAsyncStorage;
    patched._nextOriginalFetch = originFetch;
    globalThis[NEXT_PATCH_SYMBOL] = true;
    // Assign the function name also as a name property, so that it's preserved
    // even when mangling is enabled.
    Object.defineProperty(patched, 'name', {
        value: 'fetch',
        writable: false
    });
    return patched;
}
// we patch fetch to collect cache information used for
// determining if a page is static or not
export function patchFetch(options) {
    // If we've already patched fetch, we should not patch it again.
    if (isFetchPatched()) return;
    // Grab the original fetch function. We'll attach this so we can use it in
    // the patched fetch function.
    const original = createDedupeFetch(globalThis.fetch);
    // Set the global fetch to the patched fetch.
    globalThis.fetch = createPatchedFetcher(original, options);
}

//# sourceMappingURL=patch-fetch.js.map

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