问题描述
我正在尝试使用 dayjs 创建日历,但尽管相同的代码在 momentjs 中工作,但它不起作用。
我的代码是:
import dayjs from 'dayjs';
const calendar = [];
const today = dayjs();
const startDay = today.clone().startOf('month').startOf('week');
const endDay = today.clone().endOf('month').endOf('week');
let day = startDay.clone().subtract(1,'day');
while (day.isBefore(endDay,'day')) {
calendar.push(
Array(7)
.fill(0)
.map(() => day.add(1,'day').clone() )
)
};
<--- Last few GCs --->
[9148:000002DE6245A350] 188279 ms: Scavenge (reduce) 1987.6 (1992.3) -> 1986.8 (1993.3) MB,5.3 / 0.0 ms (average mu = 0.253,current mu = 0.221) allocation failure
[9148:000002DE6245A350] 188284 ms: Scavenge (reduce) 1987.7 (1992.3) -> 1987.0 (1993.5) MB,3.3 / 0.0 ms (average mu = 0.253,current mu = 0.221) allocation failure
[9148:000002DE6245A350] 188323 ms: Scavenge (reduce) 1987.8 (1992.5) -> 1987.0 (1993.8) MB,current mu = 0.221) allocation failure
<--- JS stacktrace --->
Fatal error: Ineffective mark-compacts near heap limit Allocation Failed - JavaScript heap out of memory
1: 00007FF742FB481F napi_wrap+110783
2: 00007FF742F57F26 v8::base::cpu::has_sse+61862
3: 00007FF742F58E26 node::OnFatalError+294
4: 00007FF7438323BE v8::Isolate::ReportExternalAllocationLimitReached+94
5: 00007FF74381718D v8::SharedArrayBuffer::Externalize+781
6: 00007FF7436C02CC v8::internal::Heap::EphemeronKeyWriteBarrierFromCode+1516
7: 00007FF7436CB6EA v8::internal::Heap::ProtectUnprotectedMemoryChunks+1258
8: 00007FF7436C8829 v8::internal::Heap::PageFlagsAreConsistent+2457
9: 00007FF7436BD3D1 v8::internal::Heap::CollectGarbage+2049
10: 00007FF7436BB5D5 v8::internal::Heap::AllocateExternalbackingStore+1349
11: 00007FF7436DBA3B v8::internal::Factory::NewFillerObject+203
12: 00007FF74340A0B1 v8::internal::interpreter::JumpTableTargetoffsets::iterator::operator=+1409
13: 00007FF7438BB27D v8::internal::SetupIsolateDelegate::SetupHeap+465325
14: 000001673571CCAD
如果我在 momentjs 中使用相同的代码,则没有问题并且运行良好
dayjs 不工作有什么问题???
解决方法
您是否尝试在 while 内记录日期值?
在 cicle 末尾放一个 day = day.add(1,'day');
const calendar = [];
const today = dayjs();
const startDay = today.clone().startOf('month').startOf('week');
const endDay = today.clone().endOf('month').endOf('week');
let day = startDay.clone().subtract(1,'day');
while (day.isBefore(endDay,'day')) {
console.log(day)
calendar.push(
Array(7)
.fill(0)
.map(() => day.add(1,'day').clone() )
)
day = day.add(1,'day');
};
console.log(calendar)
<script src="https://cdnjs.cloudflare.com/ajax/libs/dayjs/1.10.6/dayjs.min.js"></script>