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/dedupe-fetch.js (5085B)

/**
 * Based on https://github.com/facebook/react/blob/d4e78c42a94be027b4dc7ed2659a5fddfbf9bd4e/packages/react/src/ReactFetch.js
 */ import * as React from 'react';
import { cloneResponse } from './clone-response';
import { InvariantError } from '../../shared/lib/invariant-error';
const simpleCacheKey = '["GET",[],null,"follow",null,null,null,null]' // generateCacheKey(new Request('https://blank'));
;
function generateCacheKey(request) {
    // We pick the fields that goes into the key used to dedupe requests.
    // We don't include the `cache` field, because we end up using whatever
    // caching resulted from the first request.
    // Notably we currently don't consider non-standard (or future) options.
    // This might not be safe. TODO: warn for non-standard extensions differing.
    // IF YOU CHANGE THIS UPDATE THE simpleCacheKey ABOVE.
    return JSON.stringify([
        request.method,
        Array.from(request.headers.entries()),
        request.mode,
        request.redirect,
        request.credentials,
        request.referrer,
        request.referrerPolicy,
        request.integrity
    ]);
}
export function createDedupeFetch(originalFetch) {
    const getCacheEntries = React.cache(// eslint-disable-next-line @typescript-eslint/no-unused-vars -- url is the cache key
    (url)=>[]);
    return function dedupeFetch(resource, options) {
        if (options && options.signal) {
            // If we're passed a signal, then we assume that
            // someone else controls the lifetime of this object and opts out of
            // caching. It's effectively the opt-out mechanism.
            // Ideally we should be able to check this on the Request but
            // it always gets initialized with its own signal so we don't
            // know if it's supposed to override - unless we also override the
            // Request constructor.
            return originalFetch(resource, options);
        }
        // Normalize the Request
        let url;
        let cacheKey;
        if (typeof resource === 'string' && !options) {
            // Fast path.
            cacheKey = simpleCacheKey;
            url = resource;
        } else {
            // Normalize the request.
            // if resource is not a string or a URL (its an instance of Request)
            // then do not instantiate a new Request but instead
            // reuse the request as to not disturb the body in the event it's a ReadableStream.
            const request = typeof resource === 'string' || resource instanceof URL ? new Request(resource, options) : resource;
            if (request.method !== 'GET' && request.method !== 'HEAD' || request.keepalive) {
                // We currently don't dedupe requests that might have side-effects. Those
                // have to be explicitly cached. We assume that the request doesn't have a
                // body if it's GET or HEAD.
                // keepalive gets treated the same as if you passed a custom cache signal.
                return originalFetch(resource, options);
            }
            cacheKey = generateCacheKey(request);
            url = request.url;
        }
        const cacheEntries = getCacheEntries(url);
        for(let i = 0, j = cacheEntries.length; i < j; i += 1){
            const [key, promise] = cacheEntries[i];
            if (key === cacheKey) {
                return promise.then(()=>{
                    const response = cacheEntries[i][2];
                    if (!response) throw Object.defineProperty(new InvariantError('No cached response'), "__NEXT_ERROR_CODE", {
                        value: "E579",
                        enumerable: false,
                        configurable: true
                    });
                    // 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(response);
                    cacheEntries[i][2] = cloned2;
                    return cloned1;
                });
            }
        }
        // We pass the original arguments here in case normalizing the Request
        // doesn't include all the options in this environment.
        const promise = originalFetch(resource, options);
        const entry = [
            cacheKey,
            promise,
            null
        ];
        cacheEntries.push(entry);
        return promise.then((response)=>{
            // 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(response);
            entry[2] = cloned2;
            return cloned1;
        });
    };
}

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