scale.category: options.min/max can be index (#8594)

Author: kurkle

src/scales/scale.category.js

@@ -1,4 +1,5 @@
 import Scale from '../core/core.scale';
+import {valueOrDefault} from '../helpers';
 
 function findOrAddLabel(labels, raw, index) {
   const first = labels.indexOf(raw);
@@ -22,7 +23,7 @@ export default class CategoryScale extends Scale {
   parse(raw, index) {
     const labels = this.getLabels();
     return isFinite(index) && labels[index] === raw
-      ? index : findOrAddLabel(labels, raw, index);
+      ? index : findOrAddLabel(labels, raw, valueOrDefault(index, raw));
   }
 
   determineDataLimits() {

test/fixtures/controller.bar/floatBar/float-bar-horizontal.json

@@ -18,9 +18,7 @@
             "indexAxis": "y",
             "scales": {
                 "x": {
-                    "display": false,
-                    "min": -8,
-                    "max": 12
+                    "display": false
                 },
                 "y": {
                     "display": false

test/fixtures/controller.bar/floatBar/float-bar-stacked-horizontal.json

@@ -23,9 +23,7 @@
                 },
                 "y": {
                     "display": false,
-                    "stacked": true,
-                    "min": -8,
-                    "max": 12
+                    "stacked": true
                 }
             }
         }

test/fixtures/controller.bar/floatBar/float-bar-stacked.json

@@ -18,9 +18,7 @@
             "scales": {
                 "x": {
                     "display": false,
-                    "stacked": true,
-                    "min": -8,
-                    "max": 12
+                    "stacked": true
                 },
                 "y": {
                     "display": false,

test/fixtures/controller.bar/floatBar/float-bar.json

@@ -17,9 +17,7 @@
         "options": {
             "scales": {
                 "x": {
-                    "display": false,
-                    "min": -8,
-                    "max": 12
+                    "display": false
                 },
                 "y": {
                     "display": false