@web5/agent
Version:
74 lines • 2.88 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import ms from 'ms';
import { TtlCache } from '@web5/common';
export class DwnServerInfoCacheMemory {
constructor({ ttl = '15m' } = {}) {
this.cache = new TtlCache({ ttl: ms(ttl) });
}
/**
* Retrieves a DWN ServerInfo entry from the cache.
*
* If the cached item has exceeded its TTL, it's scheduled for deletion and undefined is returned.
*
* @param dwnUrl - The DWN URL endpoint string used as the key for getting the entry.
* @returns The cached DWN ServerInfo entry or undefined if not found or expired.
*/
get(dwnUrl) {
return __awaiter(this, void 0, void 0, function* () {
return this.cache.get(dwnUrl);
});
}
/**
* Stores a DWN ServerInfo entry in the cache with a TTL.
*
* @param dwnUrl - The DWN URL endpoint string used as the key for storing the entry.
* @param value - The DWN ServerInfo entry to be cached.
* @returns A promise that resolves when the operation is complete.
*/
set(dwnUrl, value) {
return __awaiter(this, void 0, void 0, function* () {
this.cache.set(dwnUrl, value);
});
}
/**
* Deletes a DWN ServerInfo entry from the cache.
*
* @param dwnUrl - The DWN URL endpoint string used as the key for deletion.
* @returns A promise that resolves when the operation is complete.
*/
delete(dwnUrl) {
return __awaiter(this, void 0, void 0, function* () {
this.cache.delete(dwnUrl);
});
}
/**
* Clears all entries from the cache.
*
* @returns A promise that resolves when the operation is complete.
*/
clear() {
return __awaiter(this, void 0, void 0, function* () {
this.cache.clear();
});
}
/**
* This method is a no-op but exists to be consistent with other DWN ServerInfo Cache
* implementations.
*
* @returns A promise that resolves immediately.
*/
close() {
return __awaiter(this, void 0, void 0, function* () {
// No-op since there is no underlying store to close.
});
}
}
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