Merge pull request #32 from matsilva/issue-27

[issue-27], Add unobserve to componentWillUnmount
maslianok · Mar 28, 2018 · 13e168e · 13e168e
2 parents eb24853 + 1b58fb3
commit 13e168e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/components/ResizeDetector.js b/src/components/ResizeDetector.js
@@ -37,6 +37,12 @@ export default class ResizeDetector extends PureComponent {
     this.ro.observe(resizableElement);
   }
 
+  componentWillUnmount() {
+    const { resizableElementId } = this.props;
+    const resizableElement = resizableElementId ? document.getElementById(resizableElementId) : this.el.parentElement;
+    this.ro.unobserve(resizableElement);
+  }
+
   createResizeObserver = (entries) => {
     const {
       handleWidth, handleHeight, onResize,