guesstimate/client/src/util/date.ts

20 lines
471 B
TypeScript

export function asDate (d: Date|string): Date {
if (typeof d === 'string') return new Date(d)
if (d instanceof Date) return d
throw new Error(`Unexpected date value '${JSON.stringify(d)}' !`)
}
const intl = Intl.DateTimeFormat(navigator.language, {
weekday: 'long',
month: 'short',
day: 'numeric',
hour: 'numeric',
minute: 'numeric',
second: 'numeric'
})
export function formatDate (d: Date|string): string {
d = asDate(d)
return intl.format(d)
}