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34 changes: 21 additions & 13 deletions src/datetime/seconds_to_duration.ts
Original file line number Diff line number Diff line change
@@ -1,18 +1,26 @@
const leftPad = (num: number) => (num < 10 ? `0${num}` : num);

export function secondsToDuration(d: number) {
const h = Math.floor(d / 3600);
const m = Math.floor((d % 3600) / 60);
const s = Math.floor((d % 3600) % 60);
export function secondsToDuration(duration: number) {
if (duration < 1) return null;
let adjDuration = duration;
const d = Math.floor(adjDuration / 86400);
adjDuration -= d*86400;
const h = Math.floor(adjDuration / 3600);
adjDuration -= h*3600;
const m = Math.floor(adjDuration / 60);
adjDuration -= m*60;
const s = Math.floor(adjDuration);

if (h > 0) {
return `${h}:${leftPad(m)}:${leftPad(s)}`;
// Constructing string from seconds upwards
let string = "" + leftPad(s);
if (duration >= 60) {
string = `${leftPad(m)}:` + string
if (duration >= 3600) {
string = `${leftPad(h)}:` + string
if (duration >= 86400) {
string = `${leftPad(d)}:` + string
}
}
}
if (m > 0) {
return `${m}:${leftPad(s)}`;
}
if (s > 0) {
return "" + s;
}
return null;
return string;
}