Use only positive size for SVG. Defaults to no size.

Author: alexeyten

README.md

@@ -45,7 +45,7 @@ var svg_string = qr.imageSync('I love QR!', { type: 'svg' });
   * `options` — image options object:
     * `ec_level` — default `M`.
     * `type` — image type. Possible values `png` (default), `svg`, `pdf` and `eps`.
-    * `size` (png and svg only) — size of one module in pixels. Default `5` for png and `1` for others.
+    * `size` (png and svg only) — size of one module in pixels. Default `5` for png and `undefined` for svg.
     * `margin` — white space around QR image in modules. Default `4` for `png` and `1` for others.
     * `customize` (only png) — function to customize qr bitmap before encoding to PNG.
     * `parse_url` (experimental, default `false`) — try to optimize QR-code for URLs.

lib/vector.js

@@ -149,9 +149,11 @@ function SVG_object(matrix, margin) {
 
 function SVG(matrix, stream, margin, size) {
     var X = matrix.length + 2 * margin;
-    var XY = X * size;
     stream.push('<svg xmlns="http://www.w3.org/2000/svg" ');
-    if(size >= 0) stream.push('width="' + XY + '" height="' + XY + '" ');
+    if (size > 0) {
+        var XY = X * size;
+        stream.push('width="' + XY + '" height="' + XY + '" ');
+    }
     stream.push('viewBox="0 0 ' + X + ' ' + X + '">');
     stream.push('<path d="');
     pushSVGPath(matrix, stream, margin);