Clean up on unload

main.ts

@@ -1,6 +1,8 @@
 import { Plugin } from "obsidian";
 
 export default class RelativeLineNumbers extends Plugin {
+  initialLineNumberFormatter: (line: number) => string;
+
   onload() {
     // @ts-ignore
     const showLineNumber: Boolean = this.app.vault.getConfig("showLineNumber");
@@ -10,6 +12,16 @@ export default class RelativeLineNumbers extends Plugin {
 
     this.registerCodeMirror((cm) => {
       cm.on("cursorActivity", this.relativeLineNumbers);
+      // I haven't found a way to get the default value for an option,
+      // so we'll store the value at the time we loaded
+      this.initialLineNumberFormatter = cm.getOption("lineNumberFormatter");
+    });
+  }
+
+  onunload() {
+    this.app.workspace.iterateCodeMirrors((cm) => {
+      cm.off("cursorActivity", this.relativeLineNumbers);
+      cm.setOption("lineNumberFormatter", this.initialLineNumberFormatter);
     });
   }
 

manifest.json

@@ -1,7 +1,7 @@
 {
 	"id": "obsidian-relative-line-numbers",
 	"name": "Relative Line Numbers",
-	"version": "1.0.1",
+	"version": "1.0.2",
 	"minAppVersion": "0.10.0",
 	"description": "Enables relative line numbers in editor mode",
 	"author": "Nadav Spiegelman",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "obsidian-relative-line-numbers",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Enables relative line numbers in editor mode",
   "main": "main.js",
   "scripts": {

versions.json

@@ -1,3 +1,4 @@
 {
+	"1.0.2": "0.10.0",
 	"1.0.1": "0.10.0"
 }