From 2069df746980d09d01bf94b86ff4eab4bfe6f22e Mon Sep 17 00:00:00 2001
From: yuanchuan <yuanchuan23@gmail.com>
Date: Mon, 27 Feb 2017 15:11:28 +0800
Subject: [PATCH] skip empty content

---
 css-doodle.js | 2 ++
 src/index.js  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/css-doodle.js b/css-doodle.js
index d105b78..9506789 100644
--- a/css-doodle.js
+++ b/css-doodle.js
@@ -602,6 +602,8 @@ class Doodle extends HTMLElement {
       this.getAttribute('grid') || '1x1'
     );
 
+    if (!this.innerHTML.trim()) return false;
+
     // clear content before throwing error
     try {
       compiled = compile(this.innerHTML, this.size);
diff --git a/src/index.js b/src/index.js
index 2292773..c32fc57 100644
--- a/src/index.js
+++ b/src/index.js
@@ -52,6 +52,8 @@ class Doodle extends HTMLElement {
       this.getAttribute('grid') || '1x1'
     );
 
+    if (!this.innerHTML.trim()) return false;
+
     // clear content before throwing error
     try {
       compiled = compile(this.innerHTML, this.size);