From 062b4a64436b6fe859e704526b3a569490a7010e Mon Sep 17 00:00:00 2001
From: Ian Storm Taylor <ian@ianstormtaylor.com>
Date: Sun, 17 Jul 2016 16:21:23 -0700
Subject: [PATCH] fix to not re-resolve plugins on every update, closes #112

---
 lib/components/editor.js | 9 +++++++--
 lib/components/void.js   | 8 ++++++++
 lib/plugins/core.js      | 1 -
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/lib/components/editor.js b/lib/components/editor.js
index d3c0112d8..9232039fb 100644
--- a/lib/components/editor.js
+++ b/lib/components/editor.js
@@ -57,8 +57,13 @@ class Editor extends React.Component {
    */
 
   componentWillReceiveProps = (props) => {
-    this.setState({ plugins: this.resolvePlugins(props) })
-    this.setState({ state: this.resolveState(props.state) })
+    if (props.plugins != this.props.plugins) {
+      this.setState({ plugins: this.resolvePlugins(props) })
+    }
+
+    if (props.state != this.props.state) {
+      this.setState({ state: this.resolveState(props.state) })
+    }
   }
 
   /**
diff --git a/lib/components/void.js b/lib/components/void.js
index 5def92d80..8b958ab75 100644
--- a/lib/components/void.js
+++ b/lib/components/void.js
@@ -19,6 +19,14 @@ class Void extends React.Component {
     state: React.PropTypes.object.isRequired
   };
 
+  shouldComponentUpdate = (props) => {
+    return (
+      props.node != this.props.node ||
+      props.state.selection.hasEdgeIn(props.node) ||
+      this.props.state.selection.hasEdgeIn(this.props.node)
+    )
+  }
+
   render = () => {
     const { children, node } = this.props
     const Tag = node.kind == 'block' ? 'div' : 'span'
diff --git a/lib/plugins/core.js b/lib/plugins/core.js
index fa1bdd75c..7b1d5a5e5 100644
--- a/lib/plugins/core.js
+++ b/lib/plugins/core.js
@@ -51,7 +51,6 @@ function Plugin(options = {}) {
     renderPlaceholder = () => {
       if (!placeholder) return null
       const { node, state } = this.props
-
       return (
         <Placeholder
           className={placeholderClassName}