superset CacheStorage 源码
superset CacheStorage 代码
文件路径：/superset-frontend/spec/helpers/CacheStorage.ts
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import Cache, { caches } from './Cache';
export default class CacheStorage {
open(key: string): Promise<Cache> {
return new Promise(resolve => {
resolve(new Cache(key));
});
}
delete(key: string): Promise<boolean> {
const wasPresent = key in caches;
if (wasPresent) {
delete caches[key];
}
return Promise.resolve(wasPresent);
}
}
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