From 3093ec943662671e0ba8e9b55f95c4435ee0006d Mon Sep 17 00:00:00 2001
From: Marco Vettorello <vettorello.marco@gmail.com>
Date: Thu, 4 Jul 2019 16:04:11 +0200
Subject: [PATCH] chore: allows stackAsPercentage only for areas and bars

---
 src/lib/series/domains/y_domain.ts | 11 ++---------
 src/lib/series/specs.ts            | 12 ++++++++----
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/src/lib/series/domains/y_domain.ts b/src/lib/series/domains/y_domain.ts
index 546d87b9f0..a0d87175af 100644
--- a/src/lib/series/domains/y_domain.ts
+++ b/src/lib/series/domains/y_domain.ts
@@ -16,15 +16,8 @@ export type YDomain = BaseDomain & {
 };
 export type YBasicSeriesSpec = Pick<
   BasicSeriesSpec,
-  | 'id'
-  | 'seriesType'
-  | 'yScaleType'
-  | 'groupId'
-  | 'stackAccessors'
-  | 'yScaleToDataExtent'
-  | 'colorAccessors'
-  | 'stackAsPercentage'
->;
+  'id' | 'seriesType' | 'yScaleType' | 'groupId' | 'stackAccessors' | 'yScaleToDataExtent' | 'colorAccessors'
+> & { stackAsPercentage?: boolean };
 
 export function mergeYDomain(
   dataSeries: Map<SpecId, RawDataSeries[]>,
diff --git a/src/lib/series/specs.ts b/src/lib/series/specs.ts
index 5d7cf5e688..5a88632944 100644
--- a/src/lib/series/specs.ts
+++ b/src/lib/series/specs.ts
@@ -96,10 +96,6 @@ export interface SeriesAccessors {
   splitSeriesAccessors?: Accessor[];
   /** An array of fields thats indicates the stack membership */
   stackAccessors?: Accessor[];
-  /**
-   * Stack each series in percentage for each point.
-   */
-  stackAsPercentage?: boolean;
   /** An optional array of field name thats indicates the stack membership */
   colorAccessors?: Accessor[];
 }
@@ -140,6 +136,10 @@ export type BarSeriesSpec = BasicSeriesSpec & {
   /** If true, will stack all BarSeries and align bars to ticks (instead of centered on ticks) */
   enableHistogramMode?: boolean;
   barSeriesStyle?: CustomBarSeriesStyle;
+  /**
+   * Stack each series in percentage for each point.
+   */
+  stackAsPercentage?: boolean;
 };
 
 /**
@@ -171,6 +171,10 @@ export type AreaSeriesSpec = BasicSeriesSpec &
     /** The type of interpolator to be used to interpolate values between points */
     curve?: CurveType;
     areaSeriesStyle?: AreaSeriesStyle;
+    /**
+     * Stack each series in percentage for each point.
+     */
+    stackAsPercentage?: boolean;
   };
 
 interface HistogramConfig {