@anglr/rest/es2022/src/decorators/cache.decorator.js

Angular module representing rest services

import { isPresent } from '@jscrpt/common';
import { CacheMiddleware } from '../middlewares';
//Object storing response cache itself
//It caches request urls to response data
const responseCache = {};
/**
 * Results of requests are cached in javascript memory
 */
export function Cache() {
    return function (_target, _propertyKey, descriptor) {
        const descr = descriptor;
        descr.middlewareTypes.push(CacheMiddleware);
        descr.getCachedResponse = (request) => {
            if (isPresent(responseCache[request.urlWithParams])) {
                return responseCache[request.urlWithParams];
            }
            return null;
        };
        descr.saveResponseToCache = (request, response) => {
            responseCache[request.urlWithParams] = response;
            return response;
        };
        return descr;
    };
}
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