如何過濾超出特定時間間隔范圍的ISODateTime物件

對于我目前正在從事的專案，我有一個具有 ISO 格式的物件startTime和屬性的串列。endTime這是一個示例：

list = [
 {
   startTime: '2022-06-26T10:00:00.000Z',
   endTime: '2022-06-26T10:30:00.000Z'
 },
 {
   startTime: '2022-06-26T10:35:00.000Z',
   endTime: '2022-06-26T11:00:00.000Z'
 },
 {
   startTime: '2022-06-26T11:45:00.000Z',
   endTime: '2022-06-26T12:15:00.000Z'
 },
 {
   startTime: '2022-06-26T12:10:00.000Z',
   endTime: '2022-06-26T12:25:00.000Z'
 },
 {
   startTime: '2022-06-26T12:20:00.000Z',
   endTime: '2022-06-26T12:45:00.000Z'
 },
 {
   startTime: '2022-06-26T12:40:00.000Z',
   endTime: '2022-06-26T13:00:00.000Z'
 }
]

我有一個物件assignment，它有兩個屬性，就像list上面陣列的物件一樣。

const assignment = {
   startTime: '2022-06-26T12:00:00.000Z',
   endTime: '2022-06-26T12:30:00.000Z'
}

我的任務是從list陣列中過濾不屬于間隔/重疊的物件assignment。例如，我想在我的result陣列中包含以下內容，因為它們不重疊/不在 的區間內assignment：

const result = [
  {
   startTime: '2022-06-26T10:00:00.000Z',
   endTime: '2022-06-26T10:30:00.000Z'
  },
 {
   startTime: '2022-06-26T10:35:00.000Z',
   endTime: '2022-06-26T11:00:00.000Z'
 },
 {
   startTime: '2022-06-26T12:40:00.000Z',
   endTime: '2022-06-26T13:00:00.000Z'
 }
]

但我想從我的result陣列中排除以下內容，因為它們重疊/在assignment物件的間隔內。

[
  {
   startTime: '2022-06-26T11:45:00.000Z',
   endTime: '2022-06-26T12:15:00.000Z'
 },
 {
   startTime: '2022-06-26T12:10:00.000Z',
   endTime: '2022-06-26T12:25:00.000Z'
 },
 {
   startTime: '2022-06-26T12:20:00.000Z',
   endTime: '2022-06-26T12:45:00.000Z'
 },
]

到目前為止，這是我的想法：所以，基本上有 5 個場景。

Scenario 1: startTime and endTime of a list object are before the startTime of assignment
Scenario 2: startTime of a list object is before the startTime of the assignment but endTime is after startTime and before endTime of the assignment
Scenario 3: startTime and endTime of a list object falls entirely into the interval of the startTime and endTime of the assignment object
Scenario 4: startTime of a list object is after the startTime and before the endTime of assignment but endTime(list object) is after the endTime of the assignment  
Scenario 5: Both startTime and endTime of the list object are after the endTime of the assignment

除了寫很多if-else條件之外，過濾物件串列的最佳方法是什么？我正在使用帶有 luxon 庫的 Javascript。任何幫助將不勝感激。

uj5u.com熱心網友回復：

您可以通過檢查endTimein 在 in之前list或in在 in之后來檢查間隔不重疊：startTimeassignmentstartTimelistendTimeassignment

list = [
 { startTime: '2022-06-26T10:00:00.000Z', endTime: '2022-06-26T10:30:00.000Z' },
 { startTime: '2022-06-26T10:35:00.000Z', endTime: '2022-06-26T11:00:00.000Z' },
 { startTime: '2022-06-26T11:45:00.000Z', endTime: '2022-06-26T12:15:00.000Z' },
 { startTime: '2022-06-26T12:10:00.000Z', endTime: '2022-06-26T12:25:00.000Z' },
 { startTime: '2022-06-26T12:20:00.000Z', endTime: '2022-06-26T12:45:00.000Z' },
 { startTime: '2022-06-26T12:40:00.000Z', endTime: '2022-06-26T13:00:00.000Z' }
]

const assignment = { startTime: '2022-06-26T12:00:00.000Z', endTime: '2022-06-26T12:30:00.000Z' }

const aDates = { 
  startTime: new Date(assignment.startTime),
  endTime: new Date(assignment.endTime)
}

const result = list.filter(({ startTime, endTime }) => 
  new Date(startTime) > aDates.endTime ||
  new Date(endTime) < aDates.startTime
)

console.log(result)

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

請注意，我已將日期轉換assignment為Date回圈外，以保存多次發生的轉換。

標籤：javascript 节点.js 约会时间 卢克森

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