Fix box trace with "all" points and line_width=0 doesn't render marker in legend

draftlogs/7162_fix.md

@@ -0,0 +1 @@
+ - Make marker render in legend when line is hidden with a width of 0 [[#7162](https://github.com/plotly/plotly.js/pull/7162)]

src/components/legend/style.js

@@ -415,7 +415,8 @@ module.exports = function style(s, gd, legend) {
             var p = d3.select(this);
 
             if((trace.boxpoints === 'all' || trace.points === 'all') &&
-                Color.opacity(trace.fillcolor) === 0 && Color.opacity((trace.line || {}).color) === 0
+                Color.opacity(trace.fillcolor) === 0 && 
+                (Color.opacity((trace.line || {}).color) === 0 || trace.line.width === 0)
             ) {
                 var tMod = Lib.minExtend(trace, {
                     marker: {

test/image/mocks/box_violin_just_pts.json

@@ -68,7 +68,76 @@
     }
    },
    "hoveron": "points"
-  }
+  },
+  {
+    "type": "box",
+    "name": "box width",
+    "y": [
+     0.21241263286846768, 0.6283132500282779, 2.059323870167601,
+     2.1935119470597755, 2.7466418942243536, 3.467395904471225,
+     3.653212884314042, 4.5139456845169, 4.724443983818345, 4.133047160893449,
+     4.895798280700072, 4.125891534267504, 3.855907668878962, 4.339440306552532,
+     3.9878198050969598, 3.387742554567235, 2.4388348464827923,
+     2.0196998134080077, 1.6468702894198695, 0.9943017399397437,
+     0.6826942300835983, 0.3588816001294317, -0.9408555890714587,
+     -1.1907113828655032, -1.9452558895288188, -1.8469883412634,
+     -2.507784709721651, -3.504441099089313, -3.6122982876732115,
+     -3.9222888530079216, -3.602674433368737, -3.442554012650344,
+     -3.2412724072298866, -3.5032754904694814, -2.6048370351384453,
+     -2.2865075287581567, -1.5084596044414513, -1.7217543646801425,
+     -0.7771982562904898, 0.3107690591528869, 0.25029597778901336,
+     0.9298694888494701, 1.378244848035627, 2.354024310314667,
+     3.0684405570394957, 3.7112025463924434, 4.007092766797532,
+     4.1488920076238145, 4.176421256377431, 4.083935458554087
+    ],
+    "boxpoints": "all",
+    "pointpos": 0,
+    "fillcolor": "rgba(0, 0, 0, 0)",
+    "line": {
+     "width": 0
+    },
+    "marker": {
+     "color": "#fc8d62",
+     "symbol": "cross"
+    },
+    "hoveron": "points"
+   },
+   {
+    "type": "violin",
+    "name": "violin width",
+    "y": [
+     0.21241263286846768, 0.6283132500282779, 2.059323870167601,
+     2.1935119470597755, 2.7466418942243536, 3.467395904471225,
+     3.653212884314042, 4.5139456845169, 4.724443983818345, 4.133047160893449,
+     4.895798280700072, 4.125891534267504, 3.855907668878962, 4.339440306552532,
+     3.9878198050969598, 3.387742554567235, 2.4388348464827923,
+     2.0196998134080077, 1.6468702894198695, 0.9943017399397437,
+     0.6826942300835983, 0.3588816001294317, -0.9408555890714587,
+     -1.1907113828655032, -1.9452558895288188, -1.8469883412634,
+     -2.507784709721651, -3.504441099089313, -3.6122982876732115,
+     -3.9222888530079216, -3.602674433368737, -3.442554012650344,
+     -3.2412724072298866, -3.5032754904694814, -2.6048370351384453,
+     -2.2865075287581567, -1.5084596044414513, -1.7217543646801425,
+     -0.7771982562904898, 0.3107690591528869, 0.25029597778901336,
+     0.9298694888494701, 1.378244848035627, 2.354024310314667,
+     3.0684405570394957, 3.7112025463924434, 4.007092766797532,
+     4.1488920076238145, 4.176421256377431, 4.083935458554087
+    ],
+    "points": "all",
+    "pointpos": 0,
+    "fillcolor": "rgba(0, 0, 0, 0)",
+    "line": {
+     "width": 0
+    },
+    "marker": {
+     "color": "#8da0cb",
+     "size": 10,
+     "line": {
+      "width": 1
+     }
+    },
+    "hoveron": "points"
+   }
  ],
  "layout": {
   "legend": {