asynqmon/ui/src/utils.ts

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interface Duration {
hour: number;
minute: number;
second: number;
totalSeconds: number;
}
// start and end are in milliseconds.
function durationBetween(start: number, end: number): Duration {
const durationInMillisec = start - end;
const totalSeconds = Math.floor(durationInMillisec / 1000);
const hour = Math.floor(totalSeconds / 3600);
const minute = Math.floor((totalSeconds - 3600 * hour) / 60);
const second = totalSeconds - 3600 * hour - 60 * minute;
return { hour, minute, second, totalSeconds };
}
function stringifyDuration(d: Duration): string {
return (
(d.hour !== 0 ? `${d.hour}h` : "") +
(d.minute !== 0 ? `${d.minute}m` : "") +
`${d.second}s`
);
}
export function durationBefore(timestamp: string): string {
try {
const duration = durationBetween(Date.parse(timestamp), Date.now());
if (duration.totalSeconds < 1) {
return "now";
}
return "in " + stringifyDuration(duration);
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} catch {
return "-";
}
}
export function timeAgo(timestamp: string): string {
try {
const duration = durationBetween(Date.now(), Date.parse(timestamp));
return stringifyDuration(duration) + " ago";
} catch {
return "-";
}
}
export function getCurrentUTCDate(): string {
const today = new Date();
const dd = today.getUTCDate().toString().padStart(2, "0");
const mm = (today.getMonth() + 1).toString().padStart(2, "0");
const yyyy = today.getFullYear();
return `${yyyy}-${mm}-${dd}`;
}
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export function uuidPrefix(uuid: string): string {
const idx = uuid.indexOf("-");
if (idx === -1) {
return uuid;
}
return uuid.substr(0, idx);
}