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Convert seconds into DD:HH:MM:SS format that automatically removes leading values and does not include leading zeroes in the first non-zero value.
function secondsToMilitary(seconds) {
let negative = seconds < 0;
seconds = Math.abs(Math.floor(seconds));
/*
Less than 60 seconds
*/
if (seconds < 60) {
return "00:" + ((seconds > 10) ? seconds.toString() : '0' + seconds)
}
/*
Find Days, Hours, Minutes, Seconds
*/
let DdHhMmSs = [
Math.floor(seconds / 86400), // Days
Math.floor(seconds / 3600) % 24, // Hours
Math.floor(seconds / 60) % 60, // Minutes
seconds % 60 // Seconds
];
/*
Remove leading zeros
*/
DdHhMmSs = DdHhMmSs.filter(
// For each entry (Days -> Seconds)
(number, index, array) => {
// Check if the ones before it including it are zero
return !(array.slice(0, index + 1).every((_number) => _number === 0))
}
)
/*
Convert array to timestamp
*/
DdHhMmSs = DdHhMmSs.map(
(number, index) => {
return (
// If the item is bigger than 9 or it's the leading number
(number > 9 || index === 0) ? number.toString() : '0' + number
)
}
)
// Join with delimiter
return (negative ? "-" : "") + DdHhMmSs.join(":");
}
/*
Uses an anonymous function, will be slower
*/
const secondsToMilitaryMini = (s) => (s < 0 ? "-" : '') + ((s) => (s < 60 ? "00:" + ((s > 10) ? s.toString() : '0' + s) : ([Math.floor(s / 86400), Math.floor(s / 3600) % 24, Math.floor(s / 60) % 60, s % 60].filter((number, index, array) => !(array.slice(0, index + 1).every((_number) => _number === 0))).map((number, index) => (number > 9 || index === 0) ? number.toString() : '0' + number).join(":"))))(Math.abs(Math.floor(s)));
/*
Faster than the one-liner, for values larger than 0.
*/
function secondsToTimestamp(s) {
s = Math.floor(s);
return s < 60 ? "00:" + ((s > 9) ? s.toString() : '0' + s) : (
[Math.floor(s / 86400), Math.floor(s / 3600) % 24, Math.floor(s / 60) % 60, s % 60]
.filter((number, index, array) => !(array.slice(0, index + 1).every((_number) => _number === 0)))
.map((number, index) => (number > 10 || index === 0) ? number.toString() : '0' + number)
.join(":")
);
}
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