fix: safely disconnect themeChangeObserver with optional chaining

Felipe Lang · Felipe Lang · commit 2e3d13e1681f · 2025-08-18T16:16:06.000-03:00
Close #20
diff --git a/src/main/resources/META-INF/resources/frontend/fcMarkdownEditorConnector.js b/src/main/resources/META-INF/resources/frontend/fcMarkdownEditorConnector.js
@@ -73,7 +73,7 @@
 		},
 		unobserveThemeChange: markDownEditor => {
 			// stop observing the target node for configured mutations
-			if (markDownEditor.$connector.themeChangeObserver) {
+			if (markDownEditor?.$connector?.themeChangeObserver) {
 				markDownEditor.$connector.themeChangeObserver.disconnect();
 				markDownEditor.$connector.themeChangeObserver = null;
 			}

Original file line number	Diff line number	Diff line change
`@@ -73,7 +73,7 @@`
`73`	`73`	`},`
`74`	`74`	`unobserveThemeChange: markDownEditor => {`
`75`	`75`	`// stop observing the target node for configured mutations`
`76`		`- if (markDownEditor.$connector.themeChangeObserver) {`
	`76`	`+ if (markDownEditor?.$connector?.themeChangeObserver) {`
`77`	`77`	`markDownEditor.$connector.themeChangeObserver.disconnect();`
`78`	`78`	`markDownEditor.$connector.themeChangeObserver = null;`
`79`	`79`	`}`