我有一个由团队名称组成的团队对象列表,由该团队报告,并提供该团队每天的状态列表,我希望将其转换为基于日期的对象列表,其中包含所有团队及其各自的状态日期。
我已经尝试过类似的操作,但效果不佳。
teams.map(team => ({
day: team.statuses.reduce((acc, it) => it.day),
teams: {
teamName: team.teamName
}
}))
[
{
"teamName":"abc",
"reportedBy": "user1",
"statuses":[
{
"day":"10/12",
"status":"green"
},
{
"day":"10/11",
"status":"green"
},
{
"day":"10/09",
"status":"green"
}
]
},
{
"teamName":"xyz",
"reportedBy": "user2",
"statuses":[
{
"day":"10/12",
"status":"red"
},
{
"day":"10/11",
"status":"red"
},
{
"day":"10/09",
"status":"red"
}
]
}
]
预期输出:
[
{
"day": "1012",
"teams": [
{
"teamName": "abc",
"reportedBy": "user1",
"status": "green"
},
{
"teamName": "xyz",
"reportedBy": "user2",
"status": "red"
}
]
},
{
"day": "1011",
"teams": [
{
"teamName": "abc",
"reportedBy": "user1",
"status": "green"
},
{
"teamName": "xyz",
"reportedBy": "user2",
"status": "red"
}
]
},
{
"day": "1009",
"teams": [
{
"teamName": "abc",
"reportedBy": "user1",
"status": "green"
},
{
"teamName": "xyz",
"reportedBy": "user2",
"status": "red"
}
]
}
]
答案 0 :(得分:1)
我认为减少不是这里的最佳选择。我认为最好创建一个空数组并随行填充:
let input = [
{
"teamName":"abc",
"reportedBy": "user1",
"statuses":[
{
"day":"10/12",
"status":"green"
},
{
"day":"10/11",
"status":"green"
},
{
"day":"10/09",
"status":"green"
}
]
},
{
"teamName":"xyz",
"reportedBy": "user2",
"statuses":[
{
"day":"10/12",
"status":"red"
},
{
"day":"10/11",
"status":"red"
},
{
"day":"10/09",
"status":"red"
}
]
}
];
let output = [];
input.forEach(team =>
{
let name = team.teamName;
let reporter = team.reporter
team.statuses.forEach(status =>
{
let dayItem = output.find(item => item.day == status.day);
if(dayItem == null)
{
let newItem = {day: status.day, teams:[{status: status.status, reportedBy: reporter, teamName: name}]};
output.push(newItem);
}
else
{
dayItem.teams.push({status: status.status, reportedBy: reporter, teamName: name})
}
});
});
console.log(JSON.stringify(output));
答案 1 :(得分:0)
我尝试了以下操作。
let dayIndexed = {};
let dayStatuses = [];
teams.forEach(function(team) {
team.statuses.forEach(function(status) {
status.day = status.day.replace(/\//g, '');
if(!dayIndexed[status.day]) {
dayIndexed[status.day] = {
day: status.day,
teams: []
};
dayStatuses.push(dayIndexed[status.day]);
}
dayIndexed[status.day].teams.push({
teamName: team.teamName,
reportedBy: team.reportedBy,
status: status.status
});
});
});