From 8dd996b6b5660f82943eae4333a6d7951b0d1ac6 Mon Sep 17 00:00:00 2001
From: Aaron Steinfeld <45047841+aaron-steinfeld@users.noreply.github.com>
Date: Tue, 21 Dec 2021 15:12:26 -0800
Subject: [PATCH] Revert "fix: grouped legend bug (#1334)"

This reverts commit d5c638b837d40e96732fbe9ab15d78135bf7eab2.
---
 .../components/cartesian/d3/legend/cartesian-legend.ts       | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/projects/observability/src/shared/components/cartesian/d3/legend/cartesian-legend.ts b/projects/observability/src/shared/components/cartesian/d3/legend/cartesian-legend.ts
index a7f000c30..5c0552862 100644
--- a/projects/observability/src/shared/components/cartesian/d3/legend/cartesian-legend.ts
+++ b/projects/observability/src/shared/components/cartesian/d3/legend/cartesian-legend.ts
@@ -1,7 +1,7 @@
 import { ComponentRef, Injector } from '@angular/core';
 import { Color, Dictionary, DynamicComponentService } from '@hypertrace/common';
 import { ContainerElement, EnterElement, select, Selection } from 'd3-selection';
-import { groupBy, isEmpty } from 'lodash-es';
+import { groupBy } from 'lodash-es';
 import { Observable, Subject } from 'rxjs';
 import { startWith } from 'rxjs/operators';
 import { LegendPosition } from '../../../legend/legend.component';
@@ -41,8 +41,7 @@ export class CartesianLegend<TData> {
     private readonly summaries: Summary[] = []
   ) {
     this.isGrouped =
-      this.series.length > 0 &&
-      this.series.every(seriesEntry => !isEmpty(seriesEntry.groupName) && seriesEntry.groupName !== seriesEntry.name);
+      this.series.length > 0 && this.series.every(seriesEntry => seriesEntry.groupName !== seriesEntry.name);
     this.groupedSeries = this.isGrouped ? groupBy(this.series, seriesEntry => seriesEntry.groupName) : {};
 
     this.activeSeries = [...this.series];