1 files changed, 11 insertions, 35 deletions
diff --git a/services/docker/mail-server/relay/util.ts b/services/docker/mail-server/relay/util.ts
index 29cda8b..3f7f989 100644
--- a/services/docker/mail-server/relay/util.ts
+++ b/services/docker/mail-server/relay/util.ts
@@ -1,25 +1,17 @@
-function getZonedDateTime(instant?: Temporal.Instant | Date) {
-  if (instant == null) {
-    instant = Temporal.Now.instant();
-  } else if (instant instanceof Date) {
-    instant = instant.toTemporalInstant();
+declare global {
+  interface Date {
+    toFileNameString(dateOnly?: boolean): string;
   }
-
-  return instant.toZonedDateTimeISO("UTC");
 }
 
-export function generateTimeStringForFileName(
-  instant?: Temporal.Instant | Date,
-  dateOnly: boolean = false,
-): string {
-  const time = getZonedDateTime(instant);
-
-  if (dateOnly) {
-    return time.toPlainDate().toString();
-  } else {
-    return time.toPlainDateTime().toString().replaceAll(/:|\./g, "-");
-  }
-}
+Object.defineProperty(Date.prototype, "toFileNameString", {
+  value: function (dateOnly?: boolean) {
+    const str = (this as Date).toISOString();
+    return dateOnly === true
+      ? str.slice(0, str.indexOf("T"))
+      : str.replaceAll(/:|\./g, "-");
+  },
+});
 
 export function transformProperties<T extends object, N>(
   object: T,
@@ -32,22 +24,6 @@ export function transformProperties<T extends object, N>(
   ) as { [k in keyof T]: N };
 }
 
-export function createSingleton<T>(
-  name: string,
-): [() => T, (v: T | null) => void] {
-  let singleton: T | null = null;
-
-  return [
-    () => {
-      if (singleton == null) {
-        throw new Error(`Singleton ${name} is not set now.`);
-      }
-      return singleton;
-    },
-    (newValue: T | null) => singleton = newValue,
-  ];
-}
-
 export function withDefaults<T extends object>(
   partial: Partial<T> | null | undefined,
   defaults: T,