@gooddata/react-components/dist/helpers/sdkCache.js

GoodData.UI - A powerful JavaScript library for building analytical applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// (C) 2007-2019 GoodData Corporation
var get = require("lodash/get");
var set = require("lodash/set");
var gdcSdkCache = {};
function getSdkCache() {
    return gdcSdkCache;
}
/**
 * Clears whole cache
 * Needs to be called manually on-demand
 *
 * @method clearSdkCache
 */
function clearSdkCache() {
    if (gdcSdkCache) {
        gdcSdkCache = {};
    }
}
exports.clearSdkCache = clearSdkCache;
/**
 * Wraps some async call defined by onCacheMiss param and caches its result for next re-use.
 * If cached result is rejected it is removed from cache to unblock future calls
 *
 * @method getCachedOrLoad
 * @param {String} cacheKey - unique key to identify cached value
 * @param {Function} onCacheMiss - async function returning promise to call when value is not found in cache
 * @return {Promise} value from cache or result of onCacheMiss invocation
 */
function getCachedOrLoad(cacheKey, onCacheMiss) {
    var sdkCache = getSdkCache();
    var cachedResponse = get(sdkCache, cacheKey);
    if (cachedResponse) {
        return cachedResponse;
    }
    var promise = onCacheMiss();
    set(sdkCache, cacheKey, promise);
    promise.catch(function () {
        delete sdkCache.cacheKey;
    });
    return promise;
}
exports.getCachedOrLoad = getCachedOrLoad;
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