ContainerQuery no longer tries to set state for an unmounting component

Author: ZeeCoder

CHANGELOG.md

@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.4.2]
+
+### Fixed
+
+* `react-container-query`
+  * `ContainerQuery` no longer tries to set state for an unmounting component
+
 ## [2.4.1]
 
 ### Fixed

packages/react-container-query/src/ContainerQuery.js

@@ -18,6 +18,10 @@ export default class ContainerQuery extends Component {
   }
 
   handleResize(size) {
+    if (this.unMounting) {
+      return;
+    }
+
     this.setState({ size });
   }
 
@@ -46,6 +50,10 @@ export default class ContainerQuery extends Component {
     }
   }
 
+  componentWillUnmount() {
+    this.unMounting = true;
+  }
+
   render() {
     return this.props.render(this.state.size);
   }