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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function createInMemoryCache(options = { serializable: true }) {
// eslint-disable-next-line functional/no-let
let cache = {};
return {
get(key, defaultValue, events = {
miss: () => Promise.resolve(),
}) {
const keyAsString = JSON.stringify(key);
if (keyAsString in cache) {
return Promise.resolve(options.serializable ? JSON.parse(cache[keyAsString]) : cache[keyAsString]);
}
const promise = defaultValue();
const miss = (events && events.miss) || (() => Promise.resolve());
return promise.then((value) => miss(value)).then(() => promise);
},
set(key, value) {
// eslint-disable-next-line functional/immutable-data
cache[JSON.stringify(key)] = options.serializable ? JSON.stringify(value) : value;
return Promise.resolve(value);
},
delete(key) {
// eslint-disable-next-line functional/immutable-data
delete cache[JSON.stringify(key)];
return Promise.resolve();
},
clear() {
cache = {};
return Promise.resolve();
},
};
}
exports.createInMemoryCache = createInMemoryCache;