From 0c38f2028177e0e48679f4d0b8774b3a36beba13 Mon Sep 17 00:00:00 2001
From: Per Brolin <per@mermaidchart.com>
Date: Wed, 15 Feb 2023 14:17:46 +0100
Subject: [PATCH] Clearing sequence diagram before rendering

---
 packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
index ce850c9f1..9ab84ab60 100644
--- a/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
+++ b/packages/mermaid/src/diagrams/sequence/sequenceRenderer.ts
@@ -631,6 +631,9 @@ function adjustLoopHeightForWrap(loopWidths, msg, preMargin, postMargin, addLoop
 export const draw = function (_text: string, id: string, _version: string, diagObj: Diagram) {
   const { securityLevel, sequence } = configApi.getConfig();
   conf = sequence;
+  diagObj.db.clear();
+  // Parse the graph definition
+  diagObj.parser.parse(text);
   // Handle root and Document for when rendering in sandbox mode
   let sandboxElement;
   if (securityLevel === 'sandbox') {