前端代码优化。 - V2EX
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luckfunc
V2EX    程序员

前端代码优化。

  •  
  •   luckfunc 2024-05-23 22:17:23 +08:00 2180 次点击
    这是一个创建于 505 天前的主题,其中的信息可能已经有所发展或是发生改变。
     interface IData { a?: string; b?: string; c?: string; } const getObj = (data: IData) => { const { a = '1', b = '2', c = '3' } = data || {}; // data 可能返回的值是 { a: '', b: '', c: ''} return { a: a || '1', b: b || '2', c: c || '3' }; }; 

    有没有大佬可以指教下 这段代码应该怎么优化。

    16 条回复    2024-07-27 20:17:56 +08:00
    119
        1
    119  
       2024-05-23 22:59:54 +08:00
    const getObj = (data: IData) => {
    return {
    a: data.a || '1',
    b: data.b || '2',
    c: data.c || '3'
    }
    }
    v21984
        2
    v21984  
       2024-05-23 23:15:42 +08:00
    interface IData {
    a?: string;
    b?: string;
    c?: string;
    }
    const getObj = (data: IData) => {
    const { a = '1', b = '2', c = '3' } = data;
    return { a, b, c };
    };
    CHTuring
        3
    CHTuring  
       2024-05-23 23:36:27 +08:00 via iPhone
    interface IData {
    a?: string;
    b?: string;
    c?: string;
    }
    const getObj: Required<IData>= (data?: IData) => {
    const { a = '1', b = '2', c = '3' } = data ?? {}
    return { a, b, c };
    };
    CHTuring
        4
    CHTuring  
       2024-05-23 23:50:39 +08:00 via iPhone
    @CHTuring 额,用手机回复写少了代码
    jianchang512
        5
    jianchang512  
       2024-05-24 00:04:29 +08:00
    这种问题应该是 chatGPT 更擅长的领域吧
    luckfunc
        6
    luckfunc  
    OP
       2024-05-24 00:17:21 +08:00 via iPhone
    @shiyidi 谢谢大佬 受教了,之前写法有点多余
    luckfunc
        7
    luckfunc  
    OP
       2024-05-24 00:19:34 +08:00 via iPhone
    @CHTuring 谢谢老哥,学习了
    luckfunc
        8
    luckfunc  
    OP
       2024-05-24 00:23:46 +08:00 via iPhone
    @CHTuring 不过有点问题,当 abc 都有值,但是值为空字符串的时候 ,还想返回默认值
    vace
        9
    vace  
       2024-05-24 00:41:32 +08:00
    ```ts
    const getObj = ({ a, b, c }: IData = {}) => ({ a: a || '1', b: b || '2', c: c || '3' })
    ```
    ColdBird
        10
    ColdBird  
       2024-05-24 08:58:22 +08:00
    这代码没啥好优化的,又没啥逻辑,平铺直叙的代码优化啥
    nitmali
        11
    nitmali  
       2024-05-24 09:30:22 +08:00
    优化 ×
    简化 √
    realJamespond
        12
    realJamespond  
       2024-05-24 10:17:26 +08:00
    return {a:1,b:2,c:3,...data}
    xiao8276
        13
    xiao8276  
       2024-05-24 10:25:52 +08:00
    CHTuring
        14
    CHTuring  
       2024-05-24 10:48:57 +08:00
    @luckfunc #8 Object.keys 遍历一遍,判断字符串类型并为空就删除它
    19cm
        15
    19cm  
       2024-05-24 14:43:07 +08:00
    @realJamespond 哥哥牛逼
    luckfunc
        16
    luckfunc  
    OP
       2024-07-27 20:17:56 +08:00
    ![IDE new Dark Theme Preview]( https://imgur.com/N1g4sHN)
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