perf(backend): createdAtをidから取得するように & 無駄なDateインスタンスの生成を避けるように

packages/backend/src/misc/id/aid.ts

@@ -24,8 +24,7 @@ function getNoise(): string {
 	return counter.toString(36).padStart(2, '0').slice(-2);
 }
 
-export function genAid(date: Date): string {
-	const t = date.getTime();
+export function genAid(t: number): string {
 	if (isNaN(t)) throw new Error('Failed to create AID: Invalid Date');
 	counter++;
 	return getTime(t) + getNoise();

packages/backend/src/misc/id/aidx.ts

@@ -31,8 +31,7 @@ function getNoise(): string {
 	return counter.toString(36).padStart(NOISE_LENGTH, '0').slice(-NOISE_LENGTH);
 }
 
-export function genAidx(date: Date): string {
-	const t = date.getTime();
+export function genAidx(t: number): string {
 	if (isNaN(t)) throw new Error('Failed to create AIDX: Invalid Date');
 	counter++;
 	return getTime(t) + nodeId + getNoise();

packages/backend/src/misc/id/meid.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genMeid(date: Date): string {
-	return getTime(date.getTime()) + getRandom();
+export function genMeid(t: number): string {
+	return getTime(t) + getRandom();
 }
 
 export function parseMeid(id: string): { date: Date; } {

packages/backend/src/misc/id/meidg.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genMeidg(date: Date): string {
-	return 'g' + getTime(date.getTime()) + getRandom();
+export function genMeidg(t: number): string {
+	return 'g' + getTime(t) + getRandom();
 }
 
 export function parseMeidg(id: string): { date: Date; } {

packages/backend/src/misc/id/object-id.ts

@@ -29,8 +29,8 @@ function getRandom() {
 	return str;
 }
 
-export function genObjectId(date: Date): string {
-	return getTime(date.getTime()) + getRandom();
+export function genObjectId(t: number): string {
+	return getTime(t) + getRandom();
 }
 
 export function parseObjectId(id: string): { date: Date; } {