28 lines
1012 B
TypeScript
28 lines
1012 B
TypeScript
import * as plugins from './smartcache.plugins';
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import { CacheManager } from './smartcache.classes.cachemanager';
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export class SmartCache {
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private _cacheManager = new CacheManager();
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async cacheReturn(asyncCachedFuncArg: () => Promise<any>, cacheDuration: number = 5000) {
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const callStack: string = new plugins.smarterror.SmartError(
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'Cache Creation Point'
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).cleanFullStack.split('\n')[2];
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const callHash = plugins.smarthash.sha256FromStringSync(callStack);
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// console.log(callHash);
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if (
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this._cacheManager.cacheExists(callHash) &&
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(await this._cacheManager.waitForCacheReady(callHash)) &&
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this._cacheManager.stillValid(callHash)
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) {
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return this._cacheManager.getCache(callHash).cachedObject;
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} else {
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this._cacheManager.announceCache(callHash, cacheDuration);
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const newCachedObject = await asyncCachedFuncArg();
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this._cacheManager.setCache(callHash, newCachedObject, cacheDuration);
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return newCachedObject;
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}
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}
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}
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