关于数组拆分的问题?

像这样的数组,如何才能拆分为结果图所示的那样,将时间不连贯的拆开为单独的一项

结果图

回答

const result = {};

const arr = [

{ time: '10:00' },

{ time: '11:00' },

{ time: '12:00' },

{ time: '13:00' },

{ time: '17:00' },

{ time: '18:00' },

{ time: '19:00' },

{ time: '20:00' },

{ time: '21:00' },

{ time: '23:00' },

{ time: '22:00' },

];

const splitNum = 1; //间隔超过1个小时就认为不连续

let partNum = 1;

arr.sort((a, b) => parseInt(a.time) - parseInt(b.time)).map((value, index) => {

if (index === 0) {

result[`part_${partNum}`] = [value];

return

}

if (parseInt(value.time) - parseInt(arr[index - 1].time) > splitNum) {//不连续

partNum += 1;

result[`part_${partNum}`] = [];

}

result[`part_${partNum}`].push(value);

})

console.log(result);

// {

// part_1: [

// { time: '10:00' },

// { time: '11:00' },

// { time: '12:00' },

// { time: '13:00' }

// ],

// part_2: [

// { time: '17:00' },

// { time: '18:00' },

// { time: '19:00' },

// { time: '20:00' },

// { time: '21:00' },

// { time: '22:00' },

// { time: '23:00' }

// ]

// }

const foo = (res) => res

.map((cur) => Number(cur.time.split(':')[0]))

.reduce((acc, curTime, i, src) => {

const cur = res[i];

// 与上一个元素不衔接

if (!src[i - 1] || curTime - 1 > src[i - 1]) {

acc.push([cur]);

} else {

acc[acc.length - 1].push(cur);

}

return acc;

}, []);

// 测试

> foo([{ time: '10:00' }, { time: '11:00' }, { time: '12:00' }, { time: '13:00' }, { time: '17:00' }, { time: '18:00' }, { time: '20:00' }, { time: '22:00' }, { time: '23:00' }]);

< [

[{ time: "10:00" }, { time: "11:00" }, { time: "12:00" }, { time: "13:00" }],

[{ time: "17:00" }, { time: "18:00" }],

[{ time: "20:00" }],

[{ time: "22:00" }, { time: "23:00" }]

];

上一次答的有那么一些神似。

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