main repo

node_modules/next/dist/client/components/router-reducer/reducers/prefetch-reducer.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    prefetchQueue: null,
+    prefetchReducer: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    prefetchQueue: function() {
+        return prefetchQueue;
+    },
+    prefetchReducer: function() {
+        return prefetchReducer;
+    }
+});
+const _createhreffromurl = require("../create-href-from-url");
+const _fetchserverresponse = require("../fetch-server-response");
+const _routerreducertypes = require("../router-reducer-types");
+const _createrecordfromthenable = require("../create-record-from-thenable");
+const _pruneprefetchcache = require("./prune-prefetch-cache");
+const _approuterheaders = require("../../app-router-headers");
+const _promisequeue = require("../../promise-queue");
+const prefetchQueue = new _promisequeue.PromiseQueue(5);
+function prefetchReducer(state, action) {
+    // let's prune the prefetch cache before we do anything else
+    (0, _pruneprefetchcache.prunePrefetchCache)(state.prefetchCache);
+    const { url } = action;
+    url.searchParams.delete(_approuterheaders.NEXT_RSC_UNION_QUERY);
+    const href = (0, _createhreffromurl.createHrefFromUrl)(url, // Ensures the hash is not part of the cache key as it does not affect fetching the server
+    false);
+    const cacheEntry = state.prefetchCache.get(href);
+    if (cacheEntry) {
+        /**
+     * If the cache entry present was marked as temporary, it means that we prefetched it from the navigate reducer,
+     * where we didn't have the prefetch intent. We want to update it to the new, more accurate, kind here.
+     */ if (cacheEntry.kind === _routerreducertypes.PrefetchKind.TEMPORARY) {
+            state.prefetchCache.set(href, {
+                ...cacheEntry,
+                kind: action.kind
+            });
+        }
+        /**
+     * if the prefetch action was a full prefetch and that the current cache entry wasn't one, we want to re-prefetch,
+     * otherwise we can re-use the current cache entry
+     **/ if (!(cacheEntry.kind === _routerreducertypes.PrefetchKind.AUTO && action.kind === _routerreducertypes.PrefetchKind.FULL)) {
+            return state;
+        }
+    }
+    // fetchServerResponse is intentionally not awaited so that it can be unwrapped in the navigate-reducer
+    const serverResponse = (0, _createrecordfromthenable.createRecordFromThenable)(prefetchQueue.enqueue(()=>(0, _fetchserverresponse.fetchServerResponse)(url, // initialTree is used when history.state.tree is missing because the history state is set in `useEffect` below, it being missing means this is the hydration case.
+        state.tree, state.nextUrl, state.buildId, action.kind)));
+    // Create new tree based on the flightSegmentPath and router state patch
+    state.prefetchCache.set(href, {
+        // Create new tree based on the flightSegmentPath and router state patch
+        treeAtTimeOfPrefetch: state.tree,
+        data: serverResponse,
+        kind: action.kind,
+        prefetchTime: Date.now(),
+        lastUsedTime: null
+    });
+    return state;
+}
+
+if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
+  Object.defineProperty(exports.default, '__esModule', { value: true });
+  Object.assign(exports.default, exports);
+  module.exports = exports.default;
+}
+
+//# sourceMappingURL=prefetch-reducer.js.map