[英]Javascript: moment().to() doesn't seem to work with moment().utcOffset() on Parse
我在將moment()。to()和moment()。utcOffset()很好地放在解析雲代碼上時遇到麻煩。
我在始終位於UTC的Parse.com上將其作為雲代碼運行。 (簡化的)代碼是
function cafeOpenState(cafe, utcOffset) {
var returnString;
var now = moment();
now.utcOffset(utcOffset);
var dayStr = now.format('ddd');
// Get appropriate open and closing times
var openTime = Number(cafe.get('OpenTime')); // stored as 3-4 digit integer e.g. 830
var closeTime = Number(cafe.get('CloseTime')); // stored as 3-4 digit integer e.g. 2130
// Figure out what time it is now, in 0-2400 format
var timeNowStr = now.format('Hmm'); // need this later
var timeNow = Number(timeNowStr);
// Find out where it is currently in the time range
if (openTime == 0 && closeTime == 0) {
returnString = 'Closed today';
} else if (timeNow < openTime) {
var openTimeMoment = moment(openTime, 'Hmm');
var opensIn = now.to(openTimeMoment);
var opensInStr = openTimeMoment.format('H:mm');
returnString = 'Not yet open, opens ' + opensIn + ' at ' + opensInStr;
} else if (timeNow > openTime && timeNow < closeTime) {
var closeTimeMoment = moment(closeTime, 'Hmm');
var closesIn = now.to(closeTimeMoment);
var closesInStr = closeTimeMoment.format('H:mm');
returnString = 'Currently open , closes ' + closesIn + ' at ' + closesInStr;
} else if (timeNow > closeTime) {
returnString = 'Closed for today';
} else {
returnString = 'error';
}
// Return a human readable string
return returnString;
}
問題在於,即使“ now”,“ openTimeMoment”和“ closeTimeMoment”顯示了經過UTC調整的正確時間,“ to”功能似乎也忽略了“ now”。 例如,我得到的輸出是(當前時間為15:00,並且我檢查now
是正確的) 'Currently open, closes in 10 hours at 17:00'
。
如果您不包括8小時的utc調整,則10個小時是正確的。 但這顯然應該是2個小時。
無法在JSFiddle中重現此內容-工作正常。 我在Parse上使用與小提琴相同的moment.js版本。 有任何想法嗎?
我解決了-我使用的utcOffset錯誤。
我設法通過刪除now.utcOffset(utcOffset);
來糾正我的功能now.utcOffset(utcOffset);
並將其替換為now.add(utcOffset - now.utcOffset(), 'minutes');
如果有更好的答案,我想看看...
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