check context in root components

bem · Nov 24, 2017 · 14d9661 · 14d9661
1 parent 36da7b4
commit 14d9661
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Bem.js b/src/Bem.js
@@ -36,7 +36,7 @@ export default function({ preset, naming }) {
         getChildContext() {
             const block = this.block || this.props.block,
                 elem = this.elem || this.props.elem,
-                contextBlock = this.context.bemBlock;
+                contextBlock = this.context && this.context.bemBlock;
 
             if(block && (!elem && contextBlock !== block) || typeof contextBlock === 'undefined')
                 return { bemBlock : block };