# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1644872406 28800
# Node ID b1cb0474bb18e2d1c1f65d7968f9a6740cd9af37
# Parent  114d7e6d26339873daa6051e29525411d883cda8
Fix possible crash when an opened file isn't a markdown file

diff -r 114d7e6d2633 -r b1cb0474bb18 src/main.ts
--- a/src/main.ts	Mon Feb 14 12:35:45 2022 -0800
+++ b/src/main.ts	Mon Feb 14 13:00:06 2022 -0800
@@ -168,13 +168,16 @@
 		// and there is now an empty pane.
 		if (openedFile) {
 			var activeView = this.app.workspace.getActiveViewOfType(MarkdownView);
-			this.registerOnUnloadFile(activeView);
+			if (activeView) {
+				this.registerOnUnloadFile(activeView);
 
-			if (!this._suppressNextFileOpen) {
-				this.restoreFileState(openedFile, activeView);
-			} else {
-				this._suppressNextFileOpen = false;
+				if (!this._suppressNextFileOpen) {
+					this.restoreFileState(openedFile, activeView);
+				}
 			}
+			// else: the file isn't handled by a markdown editor.
+
+			this._suppressNextFileOpen = false;
 		}
 	}