From 517f2f099aa8dfda47aba5fce13667ed549e8b69 Mon Sep 17 00:00:00 2001
From: Connum <connum@gmail.com>
Date: Fri, 24 Nov 2023 21:30:49 +0100
Subject: [PATCH] make message event cancelable

---
 src/logger.js | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/logger.js b/src/logger.js
index 66d74326..3dfe110e 100644
--- a/src/logger.js
+++ b/src/logger.js
@@ -76,15 +76,18 @@ class MessageLogger {
         let doLog = !!(this.logLevel & type);
 
         if (isBrowser()) {
-            document.dispatchEvent(
-                new CustomEvent('opentypejs:message', {
-                    detail: {
-                        message,
-                        logged: doLog,
-                        logger: this.logLevel
-                    }
-                })
-            );
+            const messageEvent = new CustomEvent('opentypejs:message', {
+                cancelable: true,
+                detail: {
+                    message,
+                    doLog: doLog,
+                    logger: this.logLevel
+                }
+            });
+            const cancelled = document.dispatchEvent(messageEvent);
+            if (cancelled) {
+                doLog = false;
+            }
         }
         
         if (doLog) {