feat(linegraph): Add dynamic render for legend (#115)

carbon-design-system · Jun 21, 2018 · d338b96 · d338b96
1 parent 075b78f
commit d338b96
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/components/LineGraph/LineGraph.js b/components/LineGraph/LineGraph.js
@@ -171,6 +171,16 @@ class LineGraph extends Component {
     }
   }
 
+  componentDidUpdate(prevProps) {
+    const { showLegend, seriesLabels } = this.props;
+
+    // If seriesLabels change, remove legend and re-render
+    if (showLegend && seriesLabels.length !== prevProps.seriesLabels.length) {
+      this.svg.selectAll('.legend').remove();
+      this.renderLegend();
+    }
+  }
+
   updateEmptyState(data) {
     if (
       data[0]