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import { createStore } from 'redux';
import { reduce } from './reducers';
import { createDragDropActions } from './actions/dragDrop';
import { DragDropMonitorImpl } from './DragDropMonitorImpl';
import { HandlerRegistryImpl } from './HandlerRegistryImpl';
function makeStoreInstance(debugMode) {
// TODO: if we ever make a react-native version of this,
// we'll need to consider how to pull off dev-tooling
const reduxDevTools = typeof window !== 'undefined' &&
window.__REDUX_DEVTOOLS_EXTENSION__;
return createStore(reduce, debugMode &&
reduxDevTools &&
reduxDevTools({
name: 'dnd-core',
instanceId: 'dnd-core',
}));
}
export class DragDropManagerImpl {
constructor(debugMode = false) {
this.isSetUp = false;
this.handleRefCountChange = () => {
const shouldSetUp = this.store.getState().refCount > 0;
if (this.backend) {
if (shouldSetUp && !this.isSetUp) {
this.backend.setup();
this.isSetUp = true;
}
else if (!shouldSetUp && this.isSetUp) {
this.backend.teardown();
this.isSetUp = false;
}
}
};
const store = makeStoreInstance(debugMode);
this.store = store;
this.monitor = new DragDropMonitorImpl(store, new HandlerRegistryImpl(store));
store.subscribe(this.handleRefCountChange);
}
receiveBackend(backend) {
this.backend = backend;
}
getMonitor() {
return this.monitor;
}
getBackend() {
return this.backend;
}
getRegistry() {
return this.monitor.registry;
}
getActions() {
/* eslint-disable-next-line @typescript-eslint/no-this-alias */
const manager = this;
const { dispatch } = this.store;
function bindActionCreator(actionCreator) {
return (...args) => {
const action = actionCreator.apply(manager, args);
if (typeof action !== 'undefined') {
dispatch(action);
}
};
}
const actions = createDragDropActions(this);
return Object.keys(actions).reduce((boundActions, key) => {
const action = actions[key];
boundActions[key] = bindActionCreator(action);
return boundActions;
}, {});
}
dispatch(action) {
this.store.dispatch(action);
}
}