Add emoji-react module

src/modules/emoji-react/index.ts

@@ -0,0 +1,57 @@
+import autobind from 'autobind-decorator';
+const emojiRegex = require('emoji-regex');
+
+import { Note } from '../../misskey/note';
+import Module from '../../module';
+import Stream from '../../stream';
+
+export default class extends Module {
+	public readonly name = 'emoji-react';
+
+	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.text == null) return;
+
+		const customEmojis = note.text.match(/:([^\n:]+?):/g);
+		if (customEmojis) {
+			// カスタム絵文字が複数種類ある場合はキャンセル
+			if (!customEmojis.every((val, i, arr) => val === arr[0])) return;
+
+			this.log(`Custom emoji detected - ${customEmojis[0]}`);
+
+			setTimeout(() => {
+				this.ai.api('notes/reactions/create', {
+					noteId: note.id,
+					reaction: customEmojis[0]
+				});
+			}, 2000);
+			return;
+		}
+
+		const emojis = note.text.match(emojiRegex());
+		if (emojis) {
+			// 絵文字が複数種類ある場合はキャンセル
+			if (!emojis.every((val, i, arr) => val === arr[0])) return;
+
+			this.log(`Emoji detected - ${emojis[0]}`);
+
+			setTimeout(() => {
+				this.ai.api('notes/reactions/create', {
+					noteId: note.id,
+					reaction: emojis[0]
+				});
+			}, 2000);
+			return;
+		}
+	}
+}