feat(obsidian): listen to changes to data.json (#2868)

Author: elijah-potter

packages/obsidian-plugin/src/index.ts

@@ -42,22 +42,15 @@ export default class HarperPlugin extends Plugin {
 			return;
 		}
 
-		const data = await this.loadData();
-
 		this.app.workspace.onLayoutReady(async () => {
 			this.state = new State(
 				(n) => this.saveData(n),
 				() => this.app.workspace.updateOptions(),
 				editorInfoField,
 			);
 
-			await this.state.initializeFromSettings(data);
 			this.registerEditorExtension(this.state.getCMEditorExtensions());
-			if (!(data?.lintEnabled ?? true)) {
-				this.state.disableEditorLinter(false);
-			} else this.state.enableEditorLinter(false);
-			this.settings?.update();
-
+			await this.reloadSettingsFromDisk();
 			this.setupStatusBar();
 		});
 
@@ -67,6 +60,28 @@ export default class HarperPlugin extends Plugin {
 		this.setupCommands();
 	}
 
+	async onExternalSettingsChange() {
+		await this.reloadSettingsFromDisk();
+	}
+
+	private async reloadSettingsFromDisk() {
+		const data = await this.loadData();
+		if (this.state == null) {
+			return;
+		}
+
+		await this.state.initializeFromSettings(data);
+
+		if (!(data?.lintEnabled ?? true)) {
+			this.state.disableEditorLinter(false);
+		} else {
+			this.state.enableEditorLinter(false);
+		}
+
+		this.settings?.update();
+		this.updateStatusBar(data?.dialect ?? Dialect.American);
+	}
+
 	private getDialectStatus(dialectNum: Dialect): string {
 		const code = {
 			American: 'US',