My task involves working with an array of hours like this:
['10:00:00', '11:00:00', '13:00:00', '14:00:00', '01:00:00']13:00:00, then only hours greater than or equal to '13:00:00' should be included in the final array.
I attempted to achieve this filtering using the .filter method:
const now = new Date();
const times = [
'10:00:00',
'11:00:00',
'12:00:00',
'16:00:00',
'16:30:00',
'00:00:00',
'01:00:00',
'02:00:00',
'02:30:00',
];
times = times.filter((t) => {
return new Date(t) > now;
});
Or alternatively:
const currentHour = new Date().getHours();
const times = [
'10:00:00',
'11:00:00',
'12:00:00',
'16:00:00',
'16:30:00',
'00:00:00',
'01:00:00',
'02:00:00',
'02:30:00',
];
times = times.filter((t) => {
return Number(t.split(':')[0]) > currentHour;
});
However, due to the nature of dates and midnight transitions, the test for including times after midnight fails.
Here is the desired output:
If the time array is as follows:
['10:00:00', '11:00:00', '12:00:00', '16:00:00', '16:30:00', '00:00:00', '01:00:00', '02:00:00', '02:30:00'];And the current time is 16:00:00, then after filtering, we expect the resulting array to be
['16:30:00', '00:00:00', '01:00:00', '02:00:00', '02:30:00']