enhance(reversi): improve desync handling

packages/misskey-reversi/package.json

@@ -36,7 +36,8 @@
 		"built"
 	],
 	"dependencies": {
+		"crc-32": "1.2.2",
 		"esbuild": "0.19.11",
-		"glob": "^10.3.10"
+		"glob": "10.3.10"
 	}
 }

packages/misskey-reversi/src/game.ts

@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import CRC32 from 'crc-32';
+
 /**
  * true ... 黒
  * false ... 白
@@ -204,6 +206,13 @@ export class Game {
 		return ([] as number[]).concat(...diffVectors.map(effectsInLine));
 	}
 
+	public calcCrc32(): number {
+		return CRC32.str(JSON.stringify({
+			board: this.board,
+			turn: this.turn,
+		}));
+	}
+
 	public get isEnded(): boolean {
 		return this.turn === null;
 	}