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A CQRS-based DDD framework for large and complex TypeScript/JavaScript applications

Home Page: https://remesh-js.github.io/remesh/dist/index.html

License: MIT License

TypeScript 93.77% HTML 0.90% JavaScript 0.98% Vue 4.21% CSS 0.11% Shell 0.03%
ddd cqrs state-management rxjs react typescript vue

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remesh's Issues

vue 2.7.14 中 使用remesh-vue报错app.provide为undefined

          ![image](https://user-images.githubusercontent.com/32118686/221463572-ec018256-502f-42ec-96ca-6547573f154a.png)

image
试了下,在remesh-vue中的app.provide是undefined的,这块用法不对吗
因为vue2.7也没有createApp
只能Vue.use(RemeshVue(remeshStore))

如果说直接用provide而不用app.provide,那只能在setup中使用,也没法被绑到app上
这块能给的demo吗,Thanks♪(・ω・)ノ

Originally posted by @FEYeh in #72 (comment)

组件内部Query和Update一个状态,每次重新打开组件的时候,Query对应的State又被初始化为默认值了

每次打开 TypeGridFilterCmp 组件,值都是 空 '', 请问为什么呀?

import { Remesh } from 'remesh';

export type DataType = '' | 'MTD';

const HeaderFilterDomain = Remesh.domain({
  name: 'HeaderFilterDomain',
  impl: (domain) => {
    const DataTypeState = domain.state<DataType>({
      name: 'DataTypeState',
      default: '',
    });

    const DataTypeQuery = domain.query({
      name: 'DataTypeQuery',
      impl: ({ get }) => {
        return get(DataTypeState());
      },
    });

    const UpdateDataTypeCommand = domain.command({
      name: 'UpdateDataTypeCommand',
      impl: (_, type: DataType) => {
        return DataTypeState().new(type);
      },
    });

    return {
      query: { DataTypeQuery },
      command: { UpdateDataTypeCommand },
      event: {},
    };
  },
});

export default HeaderFilterDomain;
function TypeGridFilterCmp(props: IProps) {
  const { onClick } = props;

  const send = useRemeshSend();
  const headerFilterDomain = useRemeshDomain(HeaderFilter());
  const dataType = useRemeshQuery(headerFilterDomain.query.DataTypeQuery());
  console.log('log: dataType', dataType);
  const updateDataType = (type: DataType) => {
    send(headerFilterDomain.command.UpdateDataTypeCommand(type));
  };

  return (
    <div>
      <Grid columns={1} className="pick-type-grid">
        <Grid.Item>
          <ul>
            <li
              className={dataType === '' ? 'active' : ''}
              onClick={() => {
                updateDataType('');
              }}
            >
              1
              <div className="wait-select-icon" />
            </li>
            <li
              className={dataType === '2' ? 'active' : ''}
              onClick={() => {
                updateDataType('MTD');
              }}
            >
  2
              <div className="wait-select-icon" />
            </li>
          </ul>
        </Grid.Item>
      </Grid>
    </div>
  );
}

remesh如何在vue2.6中使用

请教下,因为老项目升级成本太高,想试试看在vue 2.6下使用remesh,是否可以有demo可以提供呢

event和effect的使用问题

现在有这样一个业务方法

const downloadId = downloader.startDownload(url, {
 onProgress: () => {},
 onFinish: () => {},
 onFailed: () => {},
})
download.cancelDownload(downloadId)

使用remesh定义如下模型
downloadCommand
cancelDownloadCommand
downloadStartedEvent
progressUpdatedEvent
downloadSuccessEvent
downloadFailedEvent

按我的理解 download.startDownload发生发生在downloadStartedEvent的effect,如果下载的过程中发起了cancelDownloadCommand,此时downloadId应该在state里面了但是不清楚什么时机保存的,是应该在effect触发一个额外的事件downloadIdGotEvent吗?

中文文档有误

README_zh_CN.md
特性第5:可变状态
英文版是,immutable state
应该是,不可变状态

remesh4.0.0更新使用react useSyncExternalStore,导致无法正常使用remesh包。

脚手架:create-react-app
package.json

{
  "name": "remesh-demo",
  "version": "0.1.0",
  "private": true,
  "type": "module",
  "dependencies": {
    "@testing-library/jest-dom": "^5.14.1",
    "@testing-library/react": "^13.0.0",
    "@testing-library/user-event": "^13.2.1",
    "@types/jest": "^27.0.1",
    "@types/node": "^16.7.13",
    "@types/react": "^18.0.0",
    "@types/react-dom": "^18.0.0",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-scripts": "5.0.1",
    "remesh": "^4.0.0",
    "remesh-react": "^4.0.0",
    "rxjs": "^7.5.6",
    "web-vitals": "^2.1.0"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },
  "devDependencies": {
    "@types/typescript": "^2.0.0",
    "ts-node": "^10.9.1",
    "typescript": "^4.8.4"
  }
}

错误信息:
image

想问下remesh的domain可以支持继承吗?

比如 定义了一个Domain叫 AnimalDomain, 我想对它进行不同的实现,然后在另外一个ManageDomain中引用AnimalDomain, 根据注入的参数不同,让AnimalDomain呈现为不同的子实现。目前似乎我只能通过引用不同的Domain来实现,或者借助map

可以实现多实例吗

当发布一个命令后 所有组件都会同步更新状态 状态是全局唯一的 能否实现多实例 组件不同实例下状态互不影响

ListModule 暴露 event 的必要性?

在看 TodoList example 时发现event产生依赖于TodoListModulecommand,但是 command 实现细节是在remesh 内部的,需要使用者确定command确实对list产生了修改,如果ListModule对外暴露ListChangedEvent、ListItemAddedEvent等事件,外部就确定事件已发生可以直接使用。不知道有没有必要呢?如果有必要的话我想尝试提一下pr~
image

feat Serializable 支持 readonly

在使用 HistoryModule 时,由于范型 T extends SerializableArray | SerializableObject 导致无法使用

image

由于我项目中是搭配使用了 @effect/schema ,从中推断出来的类型都会带上 readonly 修饰,所以如果 Serializable 能够支持 readonly 的话,应该就可用。

考虑到 readonly 修饰的数据,并不会实际对序列化的实现或者语义造成影响,所以我觉得在库层面进行支持是有理由的。

https://github.com/remesh-js/remesh/blob/7b26fbff56f70c2de8e5398e13e7c4e9d2d3ce15/packages/remesh/src/remesh.ts#L5C1-L13

export type SerializableArray = Serializable[] | ReadonlyArray<Serializable>;
export type SerializableObject = {
    [key: string]: Serializable;
} | {
    readonly [key: string]: Serializable;
};

Remesh.domain 如何接收泛型

domain.ts

// 示例在 impl 中可以接收泛型 T
export interface MessageSimple {
  id: string
  [key: string]: any
}
export const MessageListDomain = Remesh.domain({
  name: 'MessageListDomain',
  impl:(domain) =>{
    const CreateItemEvent = domain.event<T>({
      name: 'MessageList.CreateItemEvent'
    })

    const CreateItemCommand = domain.command({
      name: 'MessageList.CreateItemCommand',
      impl: (_, message: T) => {
       // ...
        return [CreateItemEvent(message)]
      }
    })
  }
 })

index.ts

import { MessageListDomain } from './domain.ts'

export interface Message {
  id: string
  time: 'xxxx',
  body: 'xxxx'
}

// 如何才能像这样将 Message 传递给 MessageListDomain 中的 T?
const messageListDomain = useRemeshDomain(MessageListDomain<Message>())

一种方式是写成 iife:
domain.ts

export interface MessageSimple {
  id: string
  [key: string]: any
}
export const MessageListDomain = <T extends MessageSimple>()=> Remesh.domain({
  ...
  const CreateItemEvent = domain.event<T>....
})()

index.ts

 const messageListDomain = useRemeshDomain(MessageListDomain<Message>())

如果这样定义,那么在 index.ts 可以传入 Message,但是 Remesh.domain 变成了在外部调用 useRemeshDomain 时初始化,多次调用初始化多次

目前的解决方案是,导出时使用 memoize 缓存 MessageListDomain 执行结果防止重复执行,有更好的方式吗

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