fix stacked bars condition when setting stacked min max

src/charts/common/line/Helpers.js

@@ -65,7 +65,7 @@ export default class Helpers {
 
     let pointsPos = {
       x: ptX,
-      y: ptY
+      y: ptY,
     }
 
     return pointsPos
@@ -98,13 +98,15 @@ export default class Helpers {
 
     return {
       pathFromLine,
-      pathFromArea
+      pathFromArea,
     }
   }
 
   determineFirstPrevY({ i, series, prevY, lineYPosition }) {
     let w = this.w
-    let stackSeries = w.config.chart.stacked && (!w.config.chart.stackOnlyBar || (series[i] && series[i].type && series[i].type === 'bar'));
+    let stackSeries =
+      w.config.chart.stacked &&
+      (!w.config.chart.stackOnlyBar || series?.[i]?.type === 'bar')
 
     if (typeof series[i]?.[0] !== 'undefined') {
       if (stackSeries) {
@@ -127,11 +129,7 @@ export default class Helpers {
           2
     } else {
       // the first value in the current series is null
-      if (
-        stackSeries &&
-        i > 0 &&
-        typeof series[i][0] === 'undefined'
-      ) {
+      if (stackSeries && i > 0 && typeof series[i][0] === 'undefined') {
         // check for undefined value (undefined value will occur when we clear the series while user clicks on legend to hide serieses)
         for (let s = i - 1; s >= 0; s--) {
           // for loop to get to 1st previous value until we get it
@@ -145,7 +143,7 @@ export default class Helpers {
     }
     return {
       prevY,
-      lineYPosition
+      lineYPosition,
     }
   }
 }

src/modules/Range.js

@@ -555,7 +555,9 @@ class Range {
             stackedNegs[group][j] = 0
           }
           let stackSeries =
-            !this.w.config.chart.stackOnlyBar || gl.series?.[i]?.type === 'bar'
+            !this.w.config.chart.stackOnlyBar ||
+            gl.series?.[i]?.type === 'bar' ||
+            this.w.config.chart.type === 'bar'
 
           if (stackSeries) {
             if (gl.series[i][j] !== null && Utils.isNumber(gl.series[i][j])) {