enhance(frontend): IDにUUIDを使うのをやめる (#16138)

* wip

* Update flash-edit.vue

packages/frontend/src/utility/id.ts

@@ -0,0 +1,25 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+// ランダムな文字列が生成できればなんでも良い(時系列でソートできるなら尚良)が、とりあえずaidの実装を拝借
+
+const TIME2000 = 946684800000;
+let counter = Math.floor(Math.random() * 10000);
+
+function getTime(time: number): string {
+	time = time - TIME2000;
+	if (time < 0) time = 0;
+
+	return time.toString(36).padStart(8, '0');
+}
+
+function getNoise(): string {
+	return counter.toString(36).padStart(2, '0').slice(-2);
+}
+
+export function genId(): string {
+	counter++;
+	return getTime(Date.now()) + getNoise();
+}