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node_modules/next/dist/client/components/segment-cache/bfcache.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    UnknownDynamicStaleTime: null,
+    computeDynamicStaleAt: null,
+    invalidateBfCache: null,
+    readFromBFCache: null,
+    readFromBFCacheDuringRegularNavigation: null,
+    updateBFCacheEntryStaleAt: null,
+    writeHeadToBFCache: null,
+    writeToBFCache: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    UnknownDynamicStaleTime: function() {
+        return UnknownDynamicStaleTime;
+    },
+    computeDynamicStaleAt: function() {
+        return computeDynamicStaleAt;
+    },
+    invalidateBfCache: function() {
+        return invalidateBfCache;
+    },
+    readFromBFCache: function() {
+        return readFromBFCache;
+    },
+    readFromBFCacheDuringRegularNavigation: function() {
+        return readFromBFCacheDuringRegularNavigation;
+    },
+    updateBFCacheEntryStaleAt: function() {
+        return updateBFCacheEntryStaleAt;
+    },
+    writeHeadToBFCache: function() {
+        return writeHeadToBFCache;
+    },
+    writeToBFCache: function() {
+        return writeToBFCache;
+    }
+});
+const _navigatereducer = require("../router-reducer/reducers/navigate-reducer");
+const _cachemap = require("./cache-map");
+const UnknownDynamicStaleTime = -1;
+function computeDynamicStaleAt(now, dynamicStaleTimeSeconds) {
+    return dynamicStaleTimeSeconds !== UnknownDynamicStaleTime ? now + dynamicStaleTimeSeconds * 1000 : now + _navigatereducer.DYNAMIC_STALETIME_MS;
+}
+const bfcacheMap = (0, _cachemap.createCacheMap)();
+let currentBfCacheVersion = 0;
+function invalidateBfCache() {
+    if (typeof window === 'undefined') {
+        return;
+    }
+    currentBfCacheVersion++;
+}
+function writeToBFCache(now, varyPath, rsc, prefetchRsc, head, prefetchHead, dynamicStaleAt) {
+    if (typeof window === 'undefined') {
+        return;
+    }
+    const entry = {
+        rsc,
+        prefetchRsc,
+        // TODO: These fields will be removed from both BFCacheEntry and
+        // SegmentCacheEntry. The head has its own separate cache entry.
+        head,
+        prefetchHead,
+        ref: null,
+        // TODO: This is just a heuristic. Getting the actual size of the segment
+        // isn't feasible because it's part of a larger streaming response. The
+        // LRU will still evict it, we just won't have a fully accurate total
+        // LRU size. However, we'll probably remove the size tracking from the LRU
+        // entirely and use memory pressure events instead.
+        size: 100,
+        navigatedAt: now,
+        // A back/forward navigation will disregard the stale time. This field is
+        // only relevant when staleTimes.dynamic is enabled or unstable_dynamicStaleTime
+        // is exported by a page.
+        staleAt: dynamicStaleAt,
+        version: currentBfCacheVersion
+    };
+    const isRevalidation = false;
+    (0, _cachemap.setInCacheMap)(bfcacheMap, varyPath, entry, isRevalidation);
+}
+function writeHeadToBFCache(now, varyPath, head, prefetchHead, dynamicStaleAt) {
+    // Read the special "segment" that represents the head data.
+    writeToBFCache(now, varyPath, head, prefetchHead, null, null, dynamicStaleAt);
+}
+function updateBFCacheEntryStaleAt(varyPath, newStaleAt) {
+    if (typeof window === 'undefined') {
+        return;
+    }
+    const isRevalidation = false;
+    // Read with staleness bypass (-1) so we can update even stale entries
+    const entry = (0, _cachemap.getFromCacheMap)(-1, currentBfCacheVersion, bfcacheMap, varyPath, isRevalidation);
+    if (entry !== null) {
+        entry.staleAt = newStaleAt;
+    }
+}
+function readFromBFCache(varyPath) {
+    if (typeof window === 'undefined') {
+        return null;
+    }
+    const isRevalidation = false;
+    return (0, _cachemap.getFromCacheMap)(// During a back/forward navigation, it doesn't matter how stale the data
+    // might be. Pass -1 instead of the actual current time to bypass
+    // staleness checks.
+    -1, currentBfCacheVersion, bfcacheMap, varyPath, isRevalidation);
+}
+function readFromBFCacheDuringRegularNavigation(now, varyPath) {
+    if (typeof window === 'undefined') {
+        return null;
+    }
+    const isRevalidation = false;
+    return (0, _cachemap.getFromCacheMap)(now, currentBfCacheVersion, bfcacheMap, varyPath, isRevalidation);
+}
+
+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=bfcache.js.map