feat: support post notification

post notification is added at misskey 2023.9.0

src/locales/en.ts

@@ -43,6 +43,7 @@ const en: Locale = {
     receiveFollowRequest: `{{userName}} sent you a follow request`,
     pollEnded: "The poll has ended",
     achievementEarned: "You earned an achievement",
+    newNoteByUser: "{{userName}} posted a note",
   },
 
   settings: {

src/locales/ja.ts

@@ -41,6 +41,7 @@ const ja = {
     receiveFollowRequest: `{{userName}} からフォローリクエストが届きました`,
     pollEnded: "アンケートの結果が出ました",
     achievementEarned: "実績を解除しました",
+    newNoteByUser: "{{userName}} がノートしました",
   },
 
   settings: {

src/misskeyNotifications.ts

@@ -4,7 +4,16 @@ import { entities } from "misskey-js";
 // to avoid type error; real notification may be different from document
 type RealNotification =
   | entities.Notification
+  // TODO: update misskey-js and remove these lines after the next release
+  // pollEnded notification will be added in the next release of misskey-js
   | { type: "pollEnded"; note: entities.Note }
+  // note notification will be added in the next release of misskey
+  | {
+      type: "note";
+      user: entities.User;
+      userId: entities.User["id"];
+      note: entities.Note;
+    }
   | { type: "achievementEarned"; achievement: string };
 
 export interface NotificationContent {
@@ -192,6 +201,14 @@ export function composeNotification(
         badgeUrl: getMkStaticIcon(srcDomain, "medal"),
       };
 
+    case "note":
+      return {
+        title: i18n.t("notifications.newNoteByUser", {
+          userName: notif.user.name ?? notif.user.username,
+        }),
+        body: notif.note.text ?? "",
+      };
+
     default:
       return {
         // // @ts-expect-error real notification is different from document