Release v2.5.6

src/web/public/js/shared/qr-code-svg.js

@@ -0,0 +1,54 @@
+// Shared QR SVG helpers for browser renderers.
+
+(function () {
+  function normalizeSvgMarkup(svg) {
+    var markup = String(svg || '').trim();
+    if (!markup) {
+      return '';
+    }
+
+    return markup.replace(/^<\?xml[^>]*>\s*/i, '');
+  }
+
+  function stripBackground(svg) {
+    var markup = String(svg || '').trim();
+    if (!markup) {
+      return '';
+    }
+
+    return markup
+      .replace(/<path\b[^>]*fill="#ffffff"[^>]*d="M0 0h[^\"]*"[^>]*\s*\/>/i, '')
+      .replace(/<path\b[^>]*fill="#ffffff"[^>]*d="M0 0h[^\"]*"[^>]*><\/path>/i, '')
+      .replace(/<rect\b[^>]*fill="#ffffff"[^>]*x="0"[^>]*y="0"[^>]*width="\d+"[^>]*height="\d+"[^>]*\s*\/?>(?:<\/rect>)?/i, '');
+  }
+
+  function normalizePreviewSvg(svg) {
+    var markup = normalizeSvgMarkup(stripBackground(svg));
+    if (!markup || markup.charAt(0) !== '<') {
+      return markup;
+    }
+
+    return markup.replace(/^<svg\b([^>]*)>/i, function (_match, attrText) {
+      var attrs = String(attrText || '');
+      if (!/\bwidth\s*=\s*/i.test(attrs)) {
+        attrs += ' width="95%"';
+      }
+      if (!/\bheight\s*=\s*/i.test(attrs)) {
+        attrs += ' height="95%"';
+      }
+      if (!/\bpreserveAspectRatio\s*=\s*/i.test(attrs)) {
+        attrs += ' preserveAspectRatio="xMidYMid meet"';
+      }
+      if (!/\bstyle\s*=\s*/i.test(attrs)) {
+        attrs += ' style="display:block;width:95%;height:95%;"';
+      }
+      return '<svg' + attrs + '>';
+    });
+  }
+
+  window.pulseQrSvgUtils = {
+    normalizeSvgMarkup: normalizeSvgMarkup,
+    stripBackground: stripBackground,
+    normalizePreviewSvg: normalizePreviewSvg
+  };
+}());