いい？と聞くとやっていいかどうかをリアクションする機能の追加

src/index.ts

@@ -16,6 +16,7 @@ import TalkModule from './modules/talk';
 import BirthdayModule from './modules/birthday';
 import ReversiModule from './modules/reversi';
 import PingModule from './modules/ping';
+import okngModule from './modules/okng';
 import EmojiModule from './modules/emoji';
 import EmojiReactModule from './modules/emoji-react';
 import FortuneModule from './modules/fortune';
@@ -69,6 +70,7 @@ promiseRetry(retry => {
 	// 藍起動
 	new 藍(account, [
 		new CoreModule(),
+		new okngModule(),
 		new EmojiModule(),
 		new EmojiReactModule(),
 		new FortuneModule(),

src/modules/okng/index.ts

@@ -0,0 +1,48 @@
+import autobind from 'autobind-decorator';
+import { parse } from 'twemoji-parser';
+const delay = require('timeout-as-promise');
+
+import { Note } from '@/misskey/note';
+import Module from '@/module';
+import Stream from '@/stream';
+import includes from '@/utils/includes';
+
+export default class extends Module {
+	public readonly name = 'okng';
+
+	private htl: ReturnType<Stream['useSharedConnection']>;
+
+	@autobind
+	public install() {
+		this.htl = this.ai.connection.useSharedConnection('homeTimeline');
+		this.htl.on('note', this.onNote);
+
+		return {};
+	}
+
+	@autobind
+	private async onNote(note: Note) {
+		if (note.reply != null) return;
+		if (note.text == null) return;
+		if (note.text.includes('@')) return; // (自分または他人問わず)メンションっぽかったらreject
+
+		const react = async (reaction: string, immediate = false) => {
+			if (!immediate) {
+				await delay(1500);
+			}
+			this.ai.api('notes/reactions/create', {
+				noteId: note.id,
+				reaction: reaction
+			});
+		};
+
+		if (includes(note.text, ['いい']) && (includes(note.text, ["?"]) || includes(note.text, ["？"]))) {
+            // 50%の確率で":dame:"または":yattare:"を返す
+            if (Math.random() < 0.5) {
+                return react(':dame:');
+            } else {
+                return react(':yattare:');
+            }
+        }
+	}
+}