@aplus-frontend/antdv/es/_util/cssinjs/Cache.js

Vue basic component library maintained based on ant-design-vue

const SPLIT = '%';
class Entity {
  constructor(instanceId) {
    /** @private Internal cache map. Do not access this directly */
    this.cache = new Map();
    this.instanceId = instanceId;
  }
  get(keys) {
    return this.cache.get(Array.isArray(keys) ? keys.join(SPLIT) : keys) || null;
  }
  update(keys, valueFn) {
    const path = Array.isArray(keys) ? keys.join(SPLIT) : keys;
    const prevValue = this.cache.get(path);
    const nextValue = valueFn(prevValue);
    if (nextValue === null) {
      this.cache.delete(path);
    } else {
      this.cache.set(path, nextValue);
    }
  }
}
export default Entity;