From b67b9efc3122fa0056f0a2766223034938420ae2 Mon Sep 17 00:00:00 2001
From: neverblde <james97lin@gmail.com>
Date: Mon, 29 Apr 2024 23:23:00 -0700
Subject: [PATCH] Catch errors and rejected promises.

---
 src/battle-scene.ts            |  2 ++
 src/main.ts                    | 15 +++++++++++++++
 src/phases.ts                  |  2 ++
 src/ui/daily-run-scoreboard.ts |  2 +-
 src/ui/title-ui-handler.ts     |  3 +++
 5 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index 6b54505b6a1..1201ed12d43 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -889,6 +889,8 @@ export default class BattleScene extends SceneBase {
 
 		let battleConfig: FixedBattleConfig = null;
 
+		throw new Error('JLIN not implemented.');
+
 		this.resetSeed(newWaveIndex);
 
 		const playerField = this.getPlayerField();
diff --git a/src/main.ts b/src/main.ts
index 6a00693fc71..973f57fda37 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -9,6 +9,21 @@ import BBCodeText from 'phaser3-rex-plugins/plugins/bbcodetext';
 import TransitionImagePackPlugin from 'phaser3-rex-plugins/templates/transitionimagepack/transitionimagepack-plugin.js';
 import { LoadingScene } from './loading-scene';
 
+
+// Catch global errors and display them in an alert so users can report the issue.
+window.onerror = function (message, source, lineno, colno, error) {
+	console.error(error);
+	let errorString = `Received unhandled error. Open browser console and click OK to see details.\nError: ${message}\nSource: ${source}\nLine: ${lineno}\nColumn: ${colno}\nStack: ${error.stack}`;
+	alert(errorString);
+	// Avoids logging the error a second time.
+	return true;
+};
+
+window.addEventListener('unhandledrejection', (event) => {	
+	let errorString = `Received unhandled promise rejection. Open browser console and click OK to see details.\nReason: ${event.reason}`;
+	alert(errorString);
+  });
+
 const config: Phaser.Types.Core.GameConfig = {
 	type: Phaser.WEBGL,
 	parent: 'app',
diff --git a/src/phases.ts b/src/phases.ts
index 1393355e3f5..70351e91682 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -330,6 +330,8 @@ export class TitlePhase extends Phase {
           this.scene.sessionPlayTime = 0;
           this.end();
         });
+      }).catch(err => {
+        console.error("Failed to load daily run:\n", err);
       });
     });
   }
diff --git a/src/ui/daily-run-scoreboard.ts b/src/ui/daily-run-scoreboard.ts
index 90fef5ba5e4..94654692e8c 100644
--- a/src/ui/daily-run-scoreboard.ts
+++ b/src/ui/daily-run-scoreboard.ts
@@ -165,7 +165,7 @@ export class DailyRunScoreboard extends Phaser.GameObjects.Container {
           } else
             this.loadingLabel.setText('No Rankings');
         });
-    });
+    }).catch(err => { console.error("Failed to load daily rankings:\n", err) });
   }
 }
 
diff --git a/src/ui/title-ui-handler.ts b/src/ui/title-ui-handler.ts
index 6c96e475929..d30c3efdab5 100644
--- a/src/ui/title-ui-handler.ts
+++ b/src/ui/title-ui-handler.ts
@@ -64,6 +64,9 @@ export default class TitleUiHandler extends OptionSelectUiHandler {
         this.playerCountLabel.setText(`${stats.playerCount} Players Online`);
         if (this.splashMessage === battleCountSplashMessage)
           this.splashMessageText.setText(battleCountSplashMessage.replace('{COUNT}', stats.battleCount.toLocaleString('en-US')));
+      })
+      .catch(err => {
+        console.error("Failed to fetch title stats:\n", err);
       });
   }