// Metro module 648 (f649).
import batchEmitChanges from "./batchEmitChanges";
export class BatchedStoreListener {
  handleStoreChange = () => {
    const changeSentinel = batchEmitChanges.getChangeSentinel();
    if (this.storeVersionHandled !== changeSentinel) {
      this.changeCallback();
      this.storeVersionHandled = changeSentinel;
    }
  };
  constructor(a0, a1) {
    this.stores = a0;
    this.changeCallback = a1;
  }
  attach(c12418_0) {
    this.stores.forEach((store, index) => {
      if (store == null) {
        throw new Error(`${c12418_0} tried to load a non-existent store. Either it isn't defined or there is a circular dependency. Loaded ${index} stores before error.`);
      }
      store.addReactChangeListener(this.handleStoreChange);
    });
  }
  detach() {
    this.stores.forEach((store) => store.removeReactChangeListener(this.handleStoreChange));
  }
}