feat: When displaying SVGs, max out their size

Author: lokesh

README.md

@@ -1,6 +1,6 @@
 # Lightbox2
 
-The original lightbox script. Eight years later — still going strong!
+The _original_ lightbox script.
 
 Lightbox is small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.
 

src/js/lightbox.js

@@ -314,18 +314,13 @@
       maxImageHeight = windowHeight - self.containerPadding.top - self.containerPadding.bottom - self.imageBorderWidth.top - self.imageBorderWidth.bottom - self.options.positionFromTop - 70;
 
       /*
-      SVGs that don't have width and height attributes specified are reporting width and height
-      values of 0 in Firefox 47 and IE11 on Windows. To fix, we set the width and height to the max
-      dimensions for the viewport rather than 0 x 0.
-
-      https://github.com/lokesh/lightbox2/issues/552
+      Since many SVGs have small intrinsic dimensions, but they support scaling
+      up without quality loss because of their vector format, max out their
+      size.
       */
-
       if (filetype === 'svg') {
-        if ((preloader.width === 0) || preloader.height === 0) {
-          $image.width(maxImageWidth);
-          $image.height(maxImageHeight);
-        }
+        $image.width(maxImageWidth);
+        $image.height(maxImageHeight);
       }
 
       // Fit image inside the viewport.