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Mini Shell
Mini Shell
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
class WebResponseCache {
constructor(minimalMode){
this.pendingResponses = new Map();
this.minimalMode = minimalMode;
}
get(key, responseGenerator, context) {
var ref;
// ensure manual revalidate doesn't block normal requests
const pendingResponseKey = key ? `${key}-${context.isManualRevalidate ? "1" : "0"}` : null;
const pendingResponse = pendingResponseKey ? this.pendingResponses.get(pendingResponseKey) : null;
if (pendingResponse) {
return pendingResponse;
}
let resolver = ()=>{};
let rejecter = ()=>{};
const promise = new Promise((resolve, reject)=>{
resolver = resolve;
rejecter = reject;
});
if (pendingResponseKey) {
this.pendingResponses.set(pendingResponseKey, promise);
}
let resolved = false;
const resolve1 = (cacheEntry)=>{
if (pendingResponseKey) {
// Ensure all reads from the cache get the latest value.
this.pendingResponses.set(pendingResponseKey, Promise.resolve(cacheEntry));
}
if (!resolved) {
resolved = true;
resolver(cacheEntry);
}
};
// we keep the previous cache entry around to leverage
// when the incremental cache is disabled in minimal mode
if (pendingResponseKey && this.minimalMode && ((ref = this.previousCacheItem) == null ? void 0 : ref.key) === pendingResponseKey && this.previousCacheItem.expiresAt > Date.now()) {
resolve1(this.previousCacheItem.entry);
this.pendingResponses.delete(pendingResponseKey);
return promise;
}
(async ()=>{
try {
const cacheEntry = await responseGenerator(resolved, false);
const resolveValue = cacheEntry === null ? null : {
...cacheEntry,
isMiss: true
};
// for manual revalidate wait to resolve until cache is set
if (!context.isManualRevalidate) {
resolve1(resolveValue);
}
if (key && cacheEntry && typeof cacheEntry.revalidate !== "undefined") {
this.previousCacheItem = {
key: pendingResponseKey || key,
entry: cacheEntry,
expiresAt: Date.now() + 1000
};
} else {
this.previousCacheItem = undefined;
}
if (context.isManualRevalidate) {
resolve1(resolveValue);
}
} catch (err) {
// while revalidating in the background we can't reject as
// we already resolved the cache entry so log the error here
if (resolved) {
console.error(err);
} else {
rejecter(err);
}
} finally{
if (pendingResponseKey) {
this.pendingResponses.delete(pendingResponseKey);
}
}
})();
return promise;
}
}
exports.default = WebResponseCache;
//# sourceMappingURL=web.js.map
Zerion Mini Shell 1.0