From f1fa91a51cf69e3589c4619541dda8ccdf35f063 Mon Sep 17 00:00:00 2001
From: Sidharth Vinod <sidharthv96@gmail.com>
Date: Fri, 2 Sep 2022 00:46:02 +0530
Subject: [PATCH] fix flowchart jison

---
 package.json                             | 2 +-
 src/diagrams/flowchart/parser/flow.jison | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 95df116b9..e7ae33c60 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
     "build:code": "node .esbuild/esbuild.cjs",
     "build:types": "tsc -p ./tsconfig.json --emitDeclarationOnly",
     "build:webpack": "webpack --mode production --progress --color",
+    "build:watch": "yarn build:code --watch",
     "build": "yarn clean; concurrently \"yarn build:code\" \"yarn build:types\"",
     "postbuild": "documentation build src/mermaidAPI.ts src/config.ts src/defaultConfig.ts --shallow -f md --markdown-toc false > docs/Setup.md",
-    "build:watch": "yarn build:code --watch",
     "release": "yarn build",
     "lint": "eslint --cache ./ --ext .js,.json,.html,.md",
     "lint:fix": "yarn lint --fix",
diff --git a/src/diagrams/flowchart/parser/flow.jison b/src/diagrams/flowchart/parser/flow.jison
index e459a23d0..fae7c6cf2 100644
--- a/src/diagrams/flowchart/parser/flow.jison
+++ b/src/diagrams/flowchart/parser/flow.jison
@@ -271,7 +271,7 @@ document
 	{ $$ = [];}
 	| document line
 	{
-	    if(Array.isArray($2) && $2.length > 0){
+	    if(!Array.isArray($2) || $2.length > 0){
 	        $1.push($2);
 	    }
 	    $$=$1;}