JavaScript实现分组排序单词单词分组排序不能实现中文首拼音排序

Posted 2022-01-13 web半晨

function groupSortWords(params) 
    let grouping = ,
        afterGrouping = [];

    params.forEach(item => 
    	// 单词首字母转大写
        let capital = item.word.replace(/\\b[a-zA-Z]+\\b/g, items => 
            return items.charAt(0).toUpperCase();
        );

        // grouping[capital] 使用了对象不能有同一属性的原理
        // 相当于去重
        if (grouping[capital]) 
            grouping[capital].arr.push(item);
         else 
            grouping[capital] = 
                groupingName: `$capital`,
                arr: [item]
            
        
    );

    // 把对象变为数组
    for (const key in grouping) 
        if (Object.hasOwnProperty.call(grouping, key)) 
            const itemKye = grouping[key];
            afterGrouping.push(itemKye);
        
    

    // 外层数组排序
    afterGrouping = afterGrouping.sort((a, b) => 
        let x = a.groupingName,
            y = b.groupingName;
        return x > y ? 1 : x < y ? -1 : 0;
    );

    // 内层数组排序
    afterGrouping = afterGrouping.map(item => 
        item.arr = item.arr.sort((a, b) => 
            let x = a.word,
                y = b.word;
            return x > y ? 1 : x < y ? -1 : 0;
        );
        return item;
    )

    // 最终返回
    return afterGrouping


// 数据源
let words = [
    
        id: 1652156,
        word: "absolute",
    ,
    
        id: 2365256,
        word: "every",
    ,
    
        id: 3156258,
        word: "display",
    ,
    
        id: 4695845,
        word: "border",
    ,
    
        id: 5125369,
        word: "class",
    ,
    
        id: 6985485,
        word: "background",
    ,
    
        id: 7156895,
        word: "delete",
    ,
    
        id: 8789651,
        word: "color",
    ,
    
        id: 9369529,
        word: "application",
    ,
    
        id: 1031562,
        word: "length",
    ,
];

// 调用函数
console.log(groupSortWords(words));