Question

我有一个包含这样对象的数组：

[{recordID:'123'},{recordID:'123-opp'},{recordsID:'456'},{recordID:'456-opp'},{recordID:'789'}, {recordID:'980'},...]

所以有一些具有相同recordID的对象只添加了一个-opp，有些是单个的，没有-opp 我想要做的是组合数组中的相应对象。而另一个单独在一个数组中。例如：

[[{recordID:'123'},{recordID:'123-opp'}], [{recordID:'456'},{recordID:'456-opp'}],[{recordID:'789'}],[{recordID:'980'}],...]

提及：有时最后可能是-opp，有时候-ref。

我尝试了多种方法，但没有得到正确的结果。这是我的代码：

.then(function(dbResult){ //sort and filter the corresponding records
    var records = [];
    var indexToDelete;
    dbResult.forEach(function(item, index){
      var recordPair = dbResult.filter(function(element, i){
        if(element.recordId.includes(item.recordId)){
          indexToDelete = i;
          return true;
        }else{
          return false;
        }
      })
      records.splice(indexToDelete,1);
      records.push(recordPair);
    })
    console.log(records)
    return records;
  })

也许有人有更好的解决方案。

Answer 1

您可以通过以下方式执行此操作

＆＃13;

let arr = [{recordID:'123'},{recordID:'123-opp'},{recordID:'456'},{recordID:'456-opp'},{recordID:'789'}, {recordID:'980'}];

let cleanVariable = (str) => +str.replace(/\-opp|\-ref/,'');
let matchVariable = (str1, str2) => cleanVariable(str1) == cleanVariable(str2);
let result = arr.sort((a, b) => cleanVariable(a.recordID) - cleanVariable(b.recordID)).reduce((a, b) => {
    if(a.length == 0) a.push([]);
    if(a[a.length-1].length == 0) a[a.length-1].push(b);
    else if(matchVariable(a[a.length-1][a[a.length-1].length-1].recordID, b.recordID)) a[a.length-1].push(b);
    else a.push([b]);
    return a;
}, []);

console.log(result);

＆＃13;

Answer 2

您可以通过将id的一部分与相同组的哈希表一起使用来对结果进行分组。

＆＃13;

var array = [{ recordID: '123' }, { recordID: '123-opp' }, { recordID: '456' }, { recordID: '456-opp' }, { recordID: '789' }, { recordID: '980' }],
    hash = Object.create(null),
    result = [];

array.forEach(function (o) {
    var key = o.recordID.match(/^\d+/);
    if (!hash[key]) {
        hash[key] = [];
        result.push(hash[key]);
    }
    hash[key].push(o);
});

console.log(result);
console.log(hash);

＆＃13;

.as-console-wrapper { max-height: 100% !important; top: 0; }

＆＃13;

组数组对象

2 个答案: