refactor(time): migrate runtime time handling to Temporal

packages/domain/src/time.ts

@@ -0,0 +1,41 @@
+import { Temporal } from '@js-temporal/polyfill'
+
+export { Temporal }
+
+export type Instant = Temporal.Instant
+
+export function nowInstant(): Instant {
+  return Temporal.Now.instant()
+}
+
+export function instantFromEpochSeconds(epochSeconds: number): Instant {
+  return Temporal.Instant.fromEpochMilliseconds(epochSeconds * 1000)
+}
+
+export function instantToEpochSeconds(instant: Instant): number {
+  return Math.floor(instant.epochMilliseconds / 1000)
+}
+
+export function instantFromDate(date: Date): Instant {
+  return Temporal.Instant.fromEpochMilliseconds(date.getTime())
+}
+
+export function instantToDate(instant: Instant): Date {
+  return new Date(instant.epochMilliseconds)
+}
+
+export function instantFromIso(value: string): Instant {
+  return Temporal.Instant.from(value)
+}
+
+export function instantFromDatabaseValue(value: Date | string | null): Instant | null {
+  if (value instanceof Date) {
+    return instantFromDate(value)
+  }
+
+  if (typeof value === 'string') {
+    return instantFromIso(value)
+  }
+
+  return null
+}