Add key to stylesheet links in Head.js (#425)

* Add key to config.stylesheets.map in Head.js * Run prettier on Head.js
facebook · Feb 1, 2018 · c6a9848 · c6a9848
1 parent 62893df
commit c6a9848
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/lib/core/Head.js b/lib/core/Head.js
@@ -85,8 +85,10 @@ class Head extends React.Component {
 
         {/* External resources */}
         {this.props.config.stylesheets &&
-          this.props.config.stylesheets.map(function(source) {
-            return <link rel="stylesheet" href={source} />;
+          this.props.config.stylesheets.map(function(source, idx) {
+            return (
+              <link rel="stylesheet" key={'stylesheet' + idx} href={source} />
+            );
           })}
         {this.props.config.scripts &&
           this.props.config.scripts.map(function(source, idx) {