From dedd87d0de10bdded241ad7bae5c75fa642ccbed Mon Sep 17 00:00:00 2001
From: Anh Mai <abmai91@gmail.com>
Date: Tue, 1 Aug 2017 13:08:49 -0700
Subject: [PATCH] [3.0-release] fix unbound `this` in ref callback for
 canvas-overlay (#337)

---
 src/overlays/canvas-overlay.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/overlays/canvas-overlay.js b/src/overlays/canvas-overlay.js
index 28b4d614..1d46443d 100644
--- a/src/overlays/canvas-overlay.js
+++ b/src/overlays/canvas-overlay.js
@@ -22,6 +22,7 @@ import {Component, createElement} from 'react';
 import PropTypes from 'prop-types';
 import {PerspectiveMercatorViewport} from 'viewport-mercator-project';
 import {window} from '../utils/globals';
+import autobind from '../utils/autobind';
 
 const propTypes = {
   redraw: PropTypes.func.isRequired
@@ -33,6 +34,11 @@ const contextTypes = {
 };
 
 export default class CanvasOverlay extends Component {
+  constructor(props) {
+    super(props);
+    autobind(this);
+  }
+
   componentDidMount() {
     this._redraw();
   }