fix slider and js settings

src/MarbleGame.hx

@@ -107,7 +107,8 @@ class MarbleGame {
 			});
 			canvas.pushDialog(exitGameDlg);
 		} else {
-			canvas.popDialog(exitGameDlg);
+			if (exitGameDlg != null)
+				canvas.popDialog(exitGameDlg);
 			world.setCursorLock(true);
 		}
 	}

src/Settings.hx

@@ -112,13 +112,29 @@ class Settings {
 	}
 
 	public static function save() {
-		var outputData = {
+		var outputData:Dynamic = {
-			highScores: highScores,
 			options: optionsSettings,
 			controls: controlsSettings,
 			progression: progression,
 			highscoreName: highscoreName
 		};
+		var scoreCount = 0;
+		for (key => value in highScores) {
+			scoreCount++;
+		}
+		#if hl
+		if (scoreCount != 0)
+			outputData.highScores = highScores;
+		else
+			outputData.highScores = {};
+		#end
+		#if js
+		var kvps:Array<Dynamic> = [];
+		for (key => value in highScores)
+			kvps.push([key, value]);
+		var jobj = js.lib.Object.fromEntries(kvps);
+		outputData.highScores = jobj;
+		#end
 		var json = Json.stringify(outputData);
 		#if hl
 		File.saveContent("settings.json", json);
@@ -158,6 +174,8 @@ class Settings {
 			controlsSettings = json.controls;
 			progression = json.progression;
 			highscoreName = json.highscoreName;
+		} else {
+			save();
 		}
 		#if hl
 		Window.getInstance().vsync = optionsSettings.vsync;

src/gui/GuiSlider.hx

@@ -25,6 +25,7 @@ class GuiSlider extends GuiImage {
 			slidingSound.pause = true;
 		super.update(dt, mouseState);
 		this.bmp.x = renderRect.position.x + renderRect.extent.x * sliderValue;
+		this.bmp.x = Util.clamp(this.bmp.x, renderRect.position.x, renderRect.position.x + renderRect.extent.x - bmp.width / 2);
 		this.bmp.width = this.bmp.tile.width;
 	}
 }