gristlabs_grist-core/app/client/lib/timeUtils.ts

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import moment from 'moment';
/**
* Given a UTC Date ISO 8601 string (the doc updatedAt string), gives a reader-friendly
* relative time to now - e.g. 'yesterday', '2 days ago'.
*/
export function getTimeFromNow(utcDateISO: string): string
/**
* Given a unix timestamp (in milliseconds), gives a reader-friendly
* relative time to now - e.g. 'yesterday', '2 days ago'.
*/
export function getTimeFromNow(ms: number): string
export function getTimeFromNow(isoOrTimestamp: string|number): string {
const time = moment.utc(isoOrTimestamp);
const now = moment();
const diff = now.diff(time, 's');
if (diff < 0 && diff > -60) {
// If the time appears to be in the future, but less than a minute
// in the future, chalk it up to a difference in time
// synchronization and don't claim the resource will be changed in
// the future. For larger differences, just report them
// literally, there's a more serious problem or lack of
// synchronization.
return now.fromNow();
}
return time.fromNow();
}