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chore(demo): display 'bound dispatchSetState' message in demo8 of table demos #2626

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merged 1 commit into from
Oct 8, 2024

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@Alex-huxiyang Alex-huxiyang commented Oct 8, 2024

Unexpected:
image

🤔 这个变动的性质是?

  • 站点、文档改进
  • 演示代码改进

Summary by CodeRabbit

  • 新功能
    • 更新了 Demo8 组件,直接使用常量数组初始化数据,简化了状态管理。
    • 数据对象中的 sex 键已重命名为 gender,并相应更新了渲染逻辑。

@Alex-huxiyang Alex-huxiyang changed the title chore(demo): display bound dispatchSetState in demo8 of table demos chore(demo): display 'bound dispatchSetState' message in demo8 of table demos Oct 8, 2024
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codecov bot commented Oct 8, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.96%. Comparing base (2f15a1a) to head (6e2d54b).
Report is 1 commits behind head on next.

Additional details and impacted files
@@           Coverage Diff           @@
##             next    #2626   +/-   ##
=======================================
  Coverage   82.96%   82.96%           
=======================================
  Files         219      219           
  Lines       17912    17912           
  Branches     2547     2547           
=======================================
  Hits        14860    14860           
  Misses       3047     3047           
  Partials        5        5           

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coderabbitai bot commented Oct 8, 2024

Walkthrough

此拉取请求对 Demo8 组件进行了修改,去除了对 data1columns1useState 钩子,改为直接在组件内部声明常量数组 data1columns。在 taro 版本中,数据对象的 sex 键被重命名为 gender,并且相应的渲染逻辑也进行了更新。setTimeout 函数保持不变,仍然在延迟5000毫秒后设置数据。

Changes

文件路径 更改摘要
src/packages/table/demos/h5/demo8.tsx 移除 data1columns1useState 钩子,改为常量声明;更新返回语句使用新的 columns 变量。
src/packages/table/demos/taro/demo8.tsx 移除 data1useState 钩子,改为常量声明;将数据对象中的 sex 键重命名为 gender,更新渲染逻辑。

Possibly related PRs

  • refactor: table #2473: Demo14 组件的更改涉及与 Demo8 组件类似的结构修改,表明在同一库上下文中可能存在共享的重构方法。

Poem

🐇 在代码的草地上,
常量跳跃,状态不再,
性别改名为 gender
数据如花绽放开。
组件轻盈,更新来,
代码如歌,欢快自在! 🎶


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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (5)
src/packages/table/demos/h5/demo8.tsx (2)

27-43: 代码优化:将 data1 从 state 变量改为常量数组

data1 改为常量数组是一个很好的改进。这与之前 columns 的改动一致,有助于简化组件并可能提高性能。对于这种初始化后不会改变的数据,使用常量是更合适的。

建议:考虑将 data1 移到组件外部,或者使用 useMemo 钩子来进一步优化性能,特别是如果这个数组在将来可能会变得很大的情况下。例如:

const data1 = useMemo(() => [
  { name: 'Tom', gender: '男', record: '小学' },
  { name: 'Lucy', gender: '女', record: '本科' },
  { name: 'Jack', gender: '男', record: '高中' },
], []);

这样可以确保 data1 只在组件挂载时创建一次,避免在每次渲染时重新创建。


Line range hint 1-51: 建议:优化组件结构和逻辑

  1. 数据加载模拟:
    当前使用 setTimeout 来模拟数据加载可能不是最佳实践。考虑使用 useEffect 钩子来管理数据加载,这样可以更好地控制组件的生命周期和清理工作。例如:

    useEffect(() => {
      const timer = setTimeout(() => {
        setData(data1);
      }, 5000);
      return () => clearTimeout(timer);
    }, []);
  2. 样式管理:
    gender 列的 render 方法中使用了内联样式。为了提高可维护性,建议将样式抽离到一个单独的对象或使用 CSS 模块。例如:

    const genderStyles = {
      male: { color: 'green' },
      female: { color: 'blue' }
    };
    
    // 在 render 方法中
    <span style={genderStyles[record.gender === '女' ? 'female' : 'male']}>
      {record.gender}
    </span>
  3. 类型安全:
    考虑为 datadata1 定义明确的接口或类型,而不是使用 any。这将提高代码的类型安全性和可读性。

实施这些改进将使组件更加健壮、可维护,并符合 React 的最佳实践。

src/packages/table/demos/taro/demo8.tsx (3)

Line range hint 6-26: 代码更改看起来不错,建议进一步优化。

这些更改提高了代码的可读性和包容性。将'sex'改为'gender'是一个很好的做法。

建议:考虑使用 TypeScript 接口来定义列的结构,以增强类型安全性。例如:

interface Column {
  title: string;
  key: string;
  render?: (record: any) => React.ReactNode;
}

const columns: Column[] = [
  // ... 现有的列定义
];

这将提供更好的类型检查和自动完成功能。


27-43: 数据结构的改进很好,可以考虑添加类型定义。

data1 定义为常量数组是个不错的选择,特别是如果这是静态的初始数据。'sex' 改为 'gender' 的变更与列定义保持一致,很好。

建议:为了增强类型安全性,可以定义一个接口来描述数据结构。例如:

interface DataItem {
  name: string;
  gender: '男' | '女';
  record: string;
}

const data1: DataItem[] = [
  // ... 现有的数据对象
];

这样可以在编译时捕获潜在的类型错误,并提供更好的代码提示。


Line range hint 1-50: 组件结构合理,可以考虑添加加载状态。

组件的整体结构保持良好,使用 useState 管理主要数据状态是合适的。使用 setTimeout 模拟异步数据获取在演示中很常见。

建议:考虑添加一个加载状态来提高用户体验。例如:

const [loading, setLoading] = useState(true);

setTimeout(() => {
  setData(data1);
  setLoading(false);
}, 5000);

return (
  <Table 
    columns={columns} 
    data={data} 
    style={{ background: '#fff' }}
    loading={loading}
  />
);

这样可以在数据加载时向用户提供视觉反馈。请确保 Table 组件支持 loading 属性。如果不支持,可以考虑添加一个条件渲染的加载指示器。

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📥 Commits

Files that changed from the base of the PR and between 2f15a1a and 6e2d54b.

📒 Files selected for processing (2)
  • src/packages/table/demos/h5/demo8.tsx (2 hunks)
  • src/packages/table/demos/taro/demo8.tsx (2 hunks)
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🔇 Additional comments (3)
src/packages/table/demos/h5/demo8.tsx (2)

Line range hint 6-26: 代码优化:将 columns 从 state 变量改为常量

这个改动很好,将 columnsuseState 钩子管理的状态变量改为常量是一个很好的优化。因为列的定义是静态的,不需要在组件的生命周期中改变,使用常量可以提高性能并简化代码。这种做法符合 React 的最佳实践,对于不需要响应式更新的数据,应该避免将其放入状态中。


48-48: 更新:Table 组件使用新的 columns 常量

很好,您已经正确地更新了 Table 组件的 columns 属性,使用新定义的 columns 常量替换了之前的 columns1。这确保了 Table 组件接收到正确的列定义数据,与之前对 columns 的修改保持一致。

src/packages/table/demos/taro/demo8.tsx (1)

Line range hint 1-50: 总体评价:代码改进符合PR目标,但仍有优化空间。

这些更改很好地展示了表格组件的使用,特别是在动态数据加载方面。代码结构清晰,命名更加包容(从'sex'到'gender'的变更)。

然而,PR描述中提到的"显示绑定的dispatchSetState"在代码中并不明显。建议:

  1. 考虑在注释中解释setTimeout如何模拟dispatchSetState的行为。
  2. 如果可能,展示一个更直接使用dispatchSetState的例子。

此外,之前提到的类型定义和加载状态的建议可以进一步提高代码质量和用户体验。

总的来说,这些更改是积极的,但还有一些小的改进空间来完全满足PR的目标。

@Alex-huxiyang Alex-huxiyang merged commit 46abf45 into jdf2e:next Oct 8, 2024
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