Fix: min zoom extent is allowed to be negative. (#860)

* Fix: min zoom extent is allowed to be negative.
Min and Max Zoom fields are now bound by 0.01 and 200

* Fixed comparison

* Version bump

* Hash set in index.html

index.html

@@ -7817,7 +7817,7 @@
     <script src="modules/ui/stylePresets.js"></script>
 
     <script src="modules/ui/general.js?v=1.87.00"></script>
-    <script src="modules/ui/options.js?v=1.87.00"></script>
+    <script src="modules/ui/options.js?v=1.87.09"></script>
     <script src="main.js"></script>
 
     <script defer src="modules/relief-icons.js"></script>

modules/ui/options.js

@@ -461,8 +461,13 @@ function changeDialogsTheme(themeColor, transparency) {
 }
 
 function changeZoomExtent(value) {
+  if(+zoomExtentMin.value > +zoomExtentMax.value) {
+    [zoomExtentMin.value, zoomExtentMax.value]=[zoomExtentMax.value, zoomExtentMin.value];
+  }
   const min = Math.max(+zoomExtentMin.value, 0.01);
   const max = Math.min(+zoomExtentMax.value, 200);
+  zoomExtentMin.value = min;
+  zoomExtentMax.value = max;
   zoom.scaleExtent([min, max]);
   const scale = minmax(+value, 0.01, 200);
   zoom.scaleTo(svg, scale);

versioning.js

@@ -1,7 +1,7 @@
 "use strict";
 
 // version and caching control
-const version = "1.87.08"; // generator version, update each time
+const version = "1.87.09"; // generator version, update each time
 
 {
   document.title += " v" + version;