Initial commit

frontend/node_modules/swr/dist/infinite/index.mjs

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+import { useRef, useCallback } from 'react';
+import { u as useSWR } from '../use-swr-emll9s78.mjs';
+import { s as serialize, a as SWRGlobalState, o as cache, c as createCacheHelper, i as isUndefined, u as useIsomorphicLayoutEffect, U as UNDEFINED, e as isFunction } from '../config-context-ext53wcz.mjs';
+import { withMiddleware } from '../_internal/index.mjs';
+import { useSyncExternalStore } from 'use-sync-external-store/shim';
+import { INFINITE_PREFIX } from '../_internal/constants.mjs';
+
+const getFirstPageKey = (getKey)=>{
+    return serialize(getKey ? getKey(0, null) : null)[0];
+};
+const unstable_serialize = (getKey)=>{
+    return INFINITE_PREFIX + getFirstPageKey(getKey);
+};
+
+// We have to several type castings here because `useSWRInfinite` is a special
+// hook where `key` and return type are not like the normal `useSWR` types.
+const EMPTY_PROMISE = Promise.resolve();
+const infinite = (useSWRNext)=>(getKey, fn, config)=>{
+        const didMountRef = useRef(false);
+        const { cache: cache$1, initialSize = 1, revalidateAll = false, persistSize = false, revalidateFirstPage = true, revalidateOnMount = false, parallel = false } = config;
+        const [, , , PRELOAD] = SWRGlobalState.get(cache);
+        // The serialized key of the first page. This key will be used to store
+        // metadata of this SWR infinite hook.
+        let infiniteKey;
+        try {
+            infiniteKey = getFirstPageKey(getKey);
+            if (infiniteKey) infiniteKey = INFINITE_PREFIX + infiniteKey;
+        } catch (err) {
+        // Not ready yet.
+        }
+        const [get, set, subscribeCache] = createCacheHelper(cache$1, infiniteKey);
+        const getSnapshot = useCallback(()=>{
+            const size = isUndefined(get()._l) ? initialSize : get()._l;
+            return size;
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+        }, [
+            cache$1,
+            infiniteKey,
+            initialSize
+        ]);
+        useSyncExternalStore(useCallback((callback)=>{
+            if (infiniteKey) return subscribeCache(infiniteKey, ()=>{
+                callback();
+            });
+            return ()=>{};
+        }, // eslint-disable-next-line react-hooks/exhaustive-deps
+        [
+            cache$1,
+            infiniteKey
+        ]), getSnapshot, getSnapshot);
+        const resolvePageSize = useCallback(()=>{
+            const cachedPageSize = get()._l;
+            return isUndefined(cachedPageSize) ? initialSize : cachedPageSize;
+        // `cache` isn't allowed to change during the lifecycle
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+        }, [
+            infiniteKey,
+            initialSize
+        ]);
+        // keep the last page size to restore it with the persistSize option
+        const lastPageSizeRef = useRef(resolvePageSize());
+        // When the page key changes, we reset the page size if it's not persisted
+        useIsomorphicLayoutEffect(()=>{
+            if (!didMountRef.current) {
+                didMountRef.current = true;
+                return;
+            }
+            if (infiniteKey) {
+                // If the key has been changed, we keep the current page size if persistSize is enabled
+                // Otherwise, we reset the page size to cached pageSize
+                set({
+                    _l: persistSize ? lastPageSizeRef.current : resolvePageSize()
+                });
+            }
+        // `initialSize` isn't allowed to change during the lifecycle
+        }, [
+            infiniteKey,
+            cache$1
+        ]);
+        // Needs to check didMountRef during mounting, not in the fetcher
+        const shouldRevalidateOnMount = revalidateOnMount && !didMountRef.current;
+        // Actual SWR hook to load all pages in one fetcher.
+        const swr = useSWRNext(infiniteKey, async (key)=>{
+            // get the revalidate context
+            const forceRevalidateAll = get()._i;
+            const shouldRevalidatePage = get()._r;
+            // Capture the cache's unload generation (bumped by every `unload()`
+            // call) so page responses that resolve after an unload are not
+            // written back to the cleared cache.
+            const state = SWRGlobalState.get(cache$1);
+            const unloadGeneration = state[8];
+            const unloadedDuringRequest = ()=>state[8] !== unloadGeneration;
+            set({
+                _r: UNDEFINED
+            });
+            // return an array of page data
+            const data = [];
+            const pageSize = resolvePageSize();
+            const [getCache] = createCacheHelper(cache$1, key);
+            const cacheData = getCache().data;
+            const revalidators = [];
+            let previousPageData = null;
+            for(let i = 0; i < pageSize; ++i){
+                const [pageKey, pageArg] = serialize(getKey(i, parallel ? null : previousPageData));
+                if (!pageKey) {
+                    break;
+                }
+                const [getSWRCache, setSWRCache] = createCacheHelper(cache$1, pageKey);
+                // Get the cached page data.
+                let pageData = getSWRCache().data;
+                // should fetch (or revalidate) if:
+                // - `revalidateAll` is enabled
+                // - `mutate()` called
+                // - the cache is missing
+                // - it's the first page and it's not the initial render
+                // - `revalidateOnMount` is enabled and it's on mount
+                // - cache for that page has changed
+                const shouldFetchPage = revalidateAll || forceRevalidateAll || isUndefined(pageData) || revalidateFirstPage && !i && !isUndefined(cacheData) || shouldRevalidateOnMount || cacheData && !isUndefined(cacheData[i]) && !config.compare(cacheData[i], pageData);
+                if (fn && (typeof shouldRevalidatePage === 'function' ? shouldRevalidatePage(pageData, pageArg) : shouldFetchPage)) {
+                    const revalidate = async ()=>{
+                        const hasPreloadedRequest = pageKey in PRELOAD;
+                        if (!hasPreloadedRequest) {
+                            pageData = await fn(pageArg);
+                        } else {
+                            const req = PRELOAD[pageKey];
+                            // delete the preload cache key before resolving it
+                            // in case there's an error
+                            delete PRELOAD[pageKey];
+                            // get the page data from the preload cache
+                            pageData = await req;
+                        }
+                        if (!unloadedDuringRequest()) {
+                            setSWRCache({
+                                data: pageData,
+                                _k: pageArg
+                            });
+                        }
+                        data[i] = pageData;
+                    };
+                    if (parallel) {
+                        revalidators.push(revalidate);
+                    } else {
+                        await revalidate();
+                    }
+                } else {
+                    data[i] = pageData;
+                }
+                if (!parallel) {
+                    previousPageData = pageData;
+                }
+            }
+            // flush all revalidateions in parallel
+            if (parallel) {
+                await Promise.all(revalidators.map((r)=>r()));
+            }
+            // once we executed the data fetching based on the context, clear the
+            // context. Skipped after an unload so the cleared meta entry isn't
+            // re-created.
+            if (!unloadedDuringRequest()) {
+                set({
+                    _i: UNDEFINED
+                });
+            }
+            // return the data
+            return data;
+        }, config);
+        const mutate = useCallback(// eslint-disable-next-line func-names
+        function(data, opts) {
+            // When passing as a boolean, it's explicitly used to disable/enable
+            // revalidation.
+            const options = typeof opts === 'boolean' ? {
+                revalidate: opts
+            } : opts || {};
+            // Default to true.
+            const shouldRevalidate = options.revalidate !== false;
+            // It is possible that the key is still falsy.
+            if (!infiniteKey) return EMPTY_PROMISE;
+            if (shouldRevalidate) {
+                if (!isUndefined(data)) {
+                    // We only revalidate the pages that are changed
+                    set({
+                        _i: false,
+                        _r: options.revalidate
+                    });
+                } else {
+                    // Calling `mutate()`, we revalidate all pages
+                    set({
+                        _i: true,
+                        _r: options.revalidate
+                    });
+                }
+            }
+            return arguments.length ? swr.mutate(data, {
+                ...options,
+                revalidate: shouldRevalidate
+            }) : swr.mutate();
+        }, // swr.mutate is always the same reference
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+        [
+            infiniteKey,
+            cache$1
+        ]);
+        // Extend the SWR API
+        const setSize = useCallback((arg)=>{
+            // It is possible that the key is still falsy.
+            if (!infiniteKey) return EMPTY_PROMISE;
+            const [, changeSize] = createCacheHelper(cache$1, infiniteKey);
+            let size;
+            if (isFunction(arg)) {
+                size = arg(resolvePageSize());
+            } else if (typeof arg == 'number') {
+                size = arg;
+            }
+            if (typeof size != 'number') return EMPTY_PROMISE;
+            changeSize({
+                _l: size
+            });
+            lastPageSizeRef.current = size;
+            // Calculate the page data after the size change.
+            const data = [];
+            const [getInfiniteCache] = createCacheHelper(cache$1, infiniteKey);
+            let previousPageData = null;
+            for(let i = 0; i < size; ++i){
+                const [pageKey] = serialize(getKey(i, previousPageData));
+                const [getCache] = createCacheHelper(cache$1, pageKey);
+                // Get the cached page data.
+                const pageData = pageKey ? getCache().data : UNDEFINED;
+                // Call `mutate` with infinte cache data if we can't get it from the page cache.
+                if (isUndefined(pageData)) {
+                    return mutate(getInfiniteCache().data);
+                }
+                data.push(pageData);
+                previousPageData = pageData;
+            }
+            return mutate(data);
+        }, // exclude getKey from the dependencies, which isn't allowed to change during the lifecycle
+        // eslint-disable-next-line react-hooks/exhaustive-deps
+        [
+            infiniteKey,
+            cache$1,
+            mutate,
+            resolvePageSize
+        ]);
+        // Use getter functions to avoid unnecessary re-renders caused by triggering
+        // all the getters of the returned swr object.
+        return {
+            size: resolvePageSize(),
+            setSize,
+            mutate,
+            get data () {
+                return swr.data;
+            },
+            get error () {
+                return swr.error;
+            },
+            get isValidating () {
+                return swr.isValidating;
+            },
+            get isLoading () {
+                return swr.isLoading;
+            }
+        };
+    };
+const useSWRInfinite = withMiddleware(useSWR, infinite);
+
+export { useSWRInfinite as default, infinite, unstable_serialize };