From e9ba3895a96e26c310829552cd24588e4b2a2784 Mon Sep 17 00:00:00 2001
From: Bilawal Hameed <bil@spotify.com>
Date: Fri, 24 Apr 2020 16:57:13 +0200
Subject: [PATCH] adjust getBBox polyfill logic

---
 .../tech-radar/src/utils/polyfills/getBBox.ts   | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/plugins/tech-radar/src/utils/polyfills/getBBox.ts b/plugins/tech-radar/src/utils/polyfills/getBBox.ts
index 664b72302e..8504910ab8 100644
--- a/plugins/tech-radar/src/utils/polyfills/getBBox.ts
+++ b/plugins/tech-radar/src/utils/polyfills/getBBox.ts
@@ -18,19 +18,32 @@
 // SVGGElement.prototype.getBBox to calculate boundaries.
 // JSDOM doesn't support this: https://github.com/jsdom/jsdom/issues/1664
 class GetBBoxPolyfill {
+  static exists(): boolean {
+    // @ts-ignore
+    return typeof window.Element.prototype.getBBox !== 'undefined';
+  }
+
   static create(
     x: number = 0,
     y: number = 0,
     width: number = 1000,
     height: number = 500,
-  ) {
+  ): void {
+    if (this.exists()) {
+      return;
+    }
+
     Object.defineProperty(window.Element.prototype, 'getBBox', {
       writable: false,
       value: () => ({ x, y, width, height }),
     });
   }
 
-  static remove() {
+  static remove(): void {
+    if (!this.exists()) {
+      return;
+    }
+
     // @ts-ignore
     delete window.Element.prototype.getBBox;
   }