From c21d71f9bcffc03d1021b98dd15ac392ff283874 Mon Sep 17 00:00:00 2001
From: Ben Woosley <ben.woosley@gmail.com>
Date: Thu, 9 Jun 2016 15:28:44 -0700
Subject: [PATCH 1/4] Add propTypes

---
 src/index.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/index.js b/src/index.js
index 46c7336..7826ae9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,9 +1,21 @@
 'use strict';
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import Markdown from 'remarkable';
 
 class Remarkable extends React.Component {
+  static propTypes = {
+    container: PropTypes.string,
+    options: PropTypes.object,
+    source: PropTypes.string,
+    children: PropTypes.array
+  }
+
+  static defaultProps = {
+    container: 'div',
+    options: {}
+  }
 
   render() {
     var Container = this.props.container;

From d91820931f42a6d56423970b359513b11f333110 Mon Sep 17 00:00:00 2001
From: Ben Woosley <ben.woosley@gmail.com>
Date: Thu, 9 Jun 2016 15:50:31 -0700
Subject: [PATCH 2/4] Don't update the component if the source has not changed

If there are no children, then the output could not have changed in this
case.
---
 src/index.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/index.js b/src/index.js
index 7826ae9..6a7e838 100644
--- a/src/index.js
+++ b/src/index.js
@@ -27,6 +27,18 @@ class Remarkable extends React.Component {
     );
   }
 
+  shouldComponentUpdate(nextProps, nextState) {
+    if (nextProps.options !== this.props.options) {
+      return true;
+    }
+    else if (this.props.source) {
+      return this.props.source !== nextProps.source;
+    }
+    else {
+      return true;
+    }
+  }
+
   componentWillUpdate(nextProps, nextState) {
     if (nextProps.options !== this.props.options) {
       this.md = new Markdown(nextProps.options);

From 1214e3c1aa937aed6fdbef680e9f029b33c83d52 Mon Sep 17 00:00:00 2001
From: Ben Woosley <ben.woosley@gmail.com>
Date: Thu, 9 Jun 2016 16:00:47 -0700
Subject: [PATCH 3/4] Also don't update if there is one unchanged string child

This case is equivalent to the unchanged source case.
---
 src/index.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/index.js b/src/index.js
index 6a7e838..589a3af 100644
--- a/src/index.js
+++ b/src/index.js
@@ -34,6 +34,9 @@ class Remarkable extends React.Component {
     else if (this.props.source) {
       return this.props.source !== nextProps.source;
     }
+    else if (React.Children.count(this.props.children) === 1 && React.Children.count(nextProps.children) === 1) {
+      return (typeof this.props.children === 'string') && this.props.children !== nextProps.children;
+    }
     else {
       return true;
     }

From 8259b974c314505ac654d993a09176fc27188e4a Mon Sep 17 00:00:00 2001
From: Ben Woosley <ben.woosley@gmail.com>
Date: Tue, 26 Sep 2017 14:32:10 -0700
Subject: [PATCH 4/4] Expand children propTypes to support single children

---
 src/index.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 589a3af..3e4bca9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,7 +9,10 @@ class Remarkable extends React.Component {
     container: PropTypes.string,
     options: PropTypes.object,
     source: PropTypes.string,
-    children: PropTypes.array
+    children: PropTypes.oneOfType([
+      PropTypes.arrayOf(PropTypes.node),
+      PropTypes.node
+    ])
   }
 
   static defaultProps = {