superset TypedRegistry 源码
superset TypedRegistry 代码
文件路径：/superset-frontend/packages/superset-ui-core/src/models/TypedRegistry.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.
*/
/**
* A Registry which serves as a typed key:value store for Superset and for Plugins.
*
* Differences from the older Registry class:
*
* 1. The keys and values stored in this class are individually typed by TYPEMAP parameter.
* In the old Registry, all values are of the same type and keys are not enumerated.
* Though you can also use indexed or mapped types in a TYPEMAP.
*
* 2. This class does not have a separate async get and set methods or use loaders.
* Instead, TYPEMAP should specify async values and loaders explicitly when needed.
* The value can be anything! A string, a class, a function, an async function... anything!
*
* 3. This class does not implement Policies, that is a separate concern to be handled elsewhere.
*
*
* Removing or altering types in a type map could be a potential breaking change, be careful!
*
* Listener methods have not been added because there isn't a use case yet.
*/
class TypedRegistry<TYPEMAP extends {}> {
name = 'TypedRegistry';
private records: TYPEMAP;
constructor(initialRecords: TYPEMAP) {
this.records = initialRecords;
}
get<K extends keyof TYPEMAP>(key: K): TYPEMAP[K] {
// The type construction above means that when you call this function,
// you get a really specific type back.
return this.records[key];
}
set<K extends keyof TYPEMAP>(key: K, value: TYPEMAP[K]) {
this.records[key] = value;
}
}
export default TypedRegistry;
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