From 4c42baf268db5f71cded570ec2ed62d44f8b424b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Ml=C3=A1dek?= <t@mldk.cz>
Date: Tue, 12 Jan 2021 00:53:47 +0100
Subject: [PATCH] broaden anchor detection (not just anchor_N but
 anchor_anything)

---
 app/src/components/SVGContent.vue | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/app/src/components/SVGContent.vue b/app/src/components/SVGContent.vue
index 0d3a7e0..5e52197 100644
--- a/app/src/components/SVGContent.vue
+++ b/app/src/components/SVGContent.vue
@@ -294,18 +294,14 @@ export default defineComponent({
 });
 
 function processAnchors(document: XMLDocument): SVGRectElement[] {
-  let result = [];
-  let i = 1;
-  while (true) {
-    let anchor = document.getElementById(`anchor_${i}`) as SVGRectElement | null;
-    if (anchor === null) {
-      break;
-    }
-    console.debug(`[SVG/ANCHORS] Found anchor #${anchor.id}.`);
-    anchor.classList.add("internal");
-    result.push(anchor);
-    i++;
-  }
+  const result: SVGRectElement[] = [];
+  Array.from(document.getElementsByTagName("rect"))
+      .filter((el) => el.id.startsWith("anchor"))
+      .forEach((anchor) => {
+        console.debug(`[SVG/ANCHORS] Found anchor #${anchor.id}.`);
+        anchor.classList.add("internal");
+        result.push(anchor);
+      });
   return result;
 }