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transaction-manager.ts
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29 lines (24 loc) · 1.02 KB
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import { IPublicEnumTransitionType } from '@alilc/lowcode-types';
import { runInAction } from 'mobx';
import EventEmitter from 'events';
class TransactionManager {
emitter = new EventEmitter();
executeTransaction = (fn: () => void, type: IPublicEnumTransitionType = IPublicEnumTransitionType.REPAINT): void => {
this.emitter.emit(`[${type}]startTransaction`);
runInAction(fn);
this.emitter.emit(`[${type}]endTransaction`);
};
onStartTransaction = (fn: () => void, type: IPublicEnumTransitionType = IPublicEnumTransitionType.REPAINT): () => void => {
this.emitter.on(`[${type}]startTransaction`, fn);
return () => {
this.emitter.off(`[${type}]startTransaction`, fn);
};
};
onEndTransaction = (fn: () => void, type: IPublicEnumTransitionType = IPublicEnumTransitionType.REPAINT): () => void => {
this.emitter.on(`[${type}]endTransaction`, fn);
return () => {
this.emitter.off(`[${type}]endTransaction`, fn);
};
};
}
export const transactionManager = new TransactionManager();