feat: Add hidden user setting to control whether PerformanceTracker i…

…s enabled

src/Config/DebugSettings.ts

@@ -1,11 +1,13 @@
 export class DebugSettings {
-    constructor(ignoreSortInstructions = false, showTaskHiddenData = false) {
+    constructor(ignoreSortInstructions = false, showTaskHiddenData = false, recordTimings = false) {
         this.ignoreSortInstructions = ignoreSortInstructions;
         this.showTaskHiddenData = showTaskHiddenData;
+        this.recordTimings = recordTimings; // Enables or disables PerformanceTracker
     }
 
     // Optionally disable all sorting of search results, so that tasks are
     // displayed in the order they appear in the file.
     readonly ignoreSortInstructions: boolean;
     readonly showTaskHiddenData: boolean;
+    readonly recordTimings: boolean;
 }

src/Config/Settings.ts

@@ -164,6 +164,7 @@ export const getSettings = (): Settings => {
     // Check to see if there are any new options that need to be added to the user's settings.
     addNewOptionsToUserSettings(Feature.settingsFlags, settings.features);
     addNewOptionsToUserSettings(defaultSettings.loggingOptions.minLevels, settings.loggingOptions.minLevels);
+    addNewOptionsToUserSettings(defaultSettings.debugSettings, settings.debugSettings);
 
     // In case saves pre-dated StatusConfiguration.type
     // TODO Special case for symbol 'X' or 'x' (just in case)

src/lib/PerformanceTracker.ts

@@ -6,6 +6,7 @@
  *  // ... some slow code
  *  tracker.finish();
  */
+import { getSettings } from '../Config/Settings';
 
 export class PerformanceTracker {
     private readonly label: string;
@@ -16,10 +17,18 @@ export class PerformanceTracker {
     }
 
     public start() {
+        if (!this.recordTimings()) {
+            return;
+        }
+
         performance.mark(this.labelForStart());
     }
 
     public finish() {
+        if (!this.recordTimings()) {
+            return;
+        }
+
         performance.mark(this.labelForEnd());
 
         // Measure the time between the marks
@@ -49,4 +58,9 @@ export class PerformanceTracker {
     private labelForEnd() {
         return `${this.label} - end`;
     }
+
+    private recordTimings() {
+        const { debugSettings } = getSettings();
+        return debugSettings.recordTimings;
+    }
 }