exclude old Firefox browsers, fixes #835

tutao · Nov 23, 2018 · 464e9c9 · 464e9c9
1 parent e223873
commit 464e9c9
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/src/misc/ClientDetector.js b/src/misc/ClientDetector.js
@@ -39,7 +39,8 @@ class ClientDetector {
 			this.randomNumbers() &&
 			this.supportsFocus() &&
 			this.notIE() &&
-			this.arrayIncludes()
+			this.arrayIncludes() &&
+			this.notOldFirefox()
 	}
 
 	isMobileDevice(): boolean {
@@ -343,6 +344,12 @@ class ClientDetector {
 		return this.browser !== BrowserType.IE
 	}
 
+	notOldFirefox() {
+		// issue only occurs for old Firefox browsers
+		// https://github.com/tutao/tutanota/issues/835
+		return this.browser !== BrowserType.FIREFOX || this.browserVersion > 40
+	}
+
 	browserData(): BrowserData {
 		return {browserType: this.browser, browserVersion: this.browserVersion}
 	}