Javascript 从此数组中追加对象并创建带有对象键值对的新数组

Question

我有一个类似的数组

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Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"GREY","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"IVORY","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"KHAKI","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"PINK","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"WHITE","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Color Family":"YELLOW","Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Dark/Light Main Color":"DARK","Color Family":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Dark/Light Main Color":"LIGHT","Color Family":null,"Drop":null,"Embroidery Family":null,"Fabric Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Drop":"DEL 1","Color Family":null,"Dark/Light Main 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weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Fabric Family":"LEATHER","Color Family":null,"Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Fabric Family":"LEATHER/DENIM","Color Family":null,"Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Fabric Family":"LEATHER/TULLE","Color Family":null,"Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard Family":null,"Sizing/Fitting":null,"Skull":null},{"Fabric Family":"SILK","Color Family":null,"Dark/Light Main Color":null,"Drop":null,"Embroidery Family":null,"Fabric weight":null,"Line":null,"Logo":null,"Print/Jacquard 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我正在尝试在 Excel 工作表中显示这些数据，但 Excel 工作表是这样的。

这个数组的问题是具有非空值的属性不会以相同的频率出现。例如，我有 Color Family 属性出现 11 次，然后假设 Drop 出现 2 次。我试图为此找到一个解决方案，即找到出现最多非空值的键，然后将其他对象的其他属性连接到它，但没有成功。

我想要的输出

[
    {
        "ColorFamily": "BEIGE",
        "Dark/Light Main Color": "Dark",
        "Drop": "DEL1",
        "Embroidery Family": "SATIN STITCH",
        "FabricFamily": "COTTON"
    },
    {
        "ColorFamily": "BLACK",
        "Dark/Light Main Color": "LIGHT",
        "Drop": "DEL2",
        "Embroidery Family": "null",
        "FabricFamily": "COTTON SILK"
    },
    ...
]

任何帮助将不胜感激。

Answer 1

您需要更改basic_format 和input_data，您将使用以下代码获得所需的输出。

注意：这只是我为小的可重复输入和输出运行的代码。您可以更改数据并尝试获得所需的最终输出

function fixMapping(basic_format = {}, input_data = []) {
    // in here we are just creating a map of all the value we have and we will be using index to match the value for different keys
    data_key_mapping = {}
    input_data.map(d => {
        Object.entries(d).map(([key, value]) => {
            if (!data_key_mapping[key]) data_key_mapping[key] = []
            if (value) data_key_mapping[key].push(value)
        })
    })
    
    // using the above mapping to finally outputting the desired output while using index to match the value in different keys and keeping other keys as null
    final_data = []
    Object.entries(data_key_mapping).map(([key, values]) => {
        values.map((value, index) => {
            if (!final_data[index]) final_data[index] = Object.assign({}, basic_format)
            final_data[index][key] = value || null
        })
    })

    return final_data;
}


basic_format = { "Color Family": null, "Drop": null }
input_data = [ { "Color Family": "BEIGE", "Drop": null }, { "Color Family": "BLACK", "Drop": null }, { "Drop": "DEL 1", "Color Family": null } ]

console.log(fixMapping(basic_format, input_data));

上面的代码会输出

[
  {
    "Color Family": "BEIGE",
    "Drop": "DEL 1"
  },
  {
    "Color Family": "BLACK",
    "Drop": null
  }
]

更新1：（需要basic_format变量）

我们对所有的键没有相同的频率，这会导致最终对象中键的数量不一致，所以我们会用我们想要的所有键来初始化每个对象，null 的数据将被覆盖实际值（如果存在）。

所以基本上，这个变量用于为我们的最终对象提供一致的结构。

如果我们不使用basic_format，像这样

    if (!final_data[index]) final_data[index] = {}
    final_data[index][key] = value || null

它会产生输出（注意第二个对象中缺少的键 Drop）

[ { "Color Family": "BEIGE", "Drop": "DEL 1" }, { "Color Family": "BLACK" } ]