display falsy zero number

Author: archmoj

src/traces/pie/calc.js

@@ -100,7 +100,7 @@ function calc(gd, trace) {
             thisText = hasLabel ? [pt.label] : [];
             if(hasText) {
                 var texti = helpers.getFirstFilled(trace.text, pt.pts);
-                if(texti) thisText.push(texti);
+                if(texti || texti === 0) thisText.push(texti);
             }
             if(hasValue) thisText.push(helpers.formatPieValue(pt.v, separators));
             if(hasPercent) thisText.push(helpers.formatPiePercent(pt.v / vTotal, separators));

src/traces/pie/plot.js

@@ -352,8 +352,8 @@ function attachFxHandlers(sliceTop, gd, cd) {
             if(hoverinfo && hoverinfo.indexOf('label') !== -1) thisText.push(pt.label);
             pt.text = helpers.castOption(trace2.hovertext || trace2.text, pt.pts);
             if(hoverinfo && hoverinfo.indexOf('text') !== -1) {
-                var texti = pt.text;
-                if(texti) thisText.push(texti);
+                var tx = pt.text;
+                if(tx || tx === 0) thisText.push(tx);
             }
             pt.value = pt.v;
             pt.valueLabel = helpers.formatPieValue(pt.v, separators);

src/traces/sunburst/plot.js

@@ -578,7 +578,10 @@ function attachFxHandlers(sliceTop, gd, cd) {
             }
 
             hoverPt.text = _cast('hovertext') || _cast('text');
-            if(hasFlag('text') && hoverPt.text) thisText.push(hoverPt.text);
+            if(hasFlag('text')) {
+                var tx = hoverPt.text;
+                if(tx || tx === 0) thisText.push(tx);
+            }
 
             Fx.loneHover({
                 trace: traceNow,
@@ -736,7 +739,7 @@ function formatSliceLabel(pt, trace, fullLayout) {
 
     if(hasFlag('text')) {
         var tx = Lib.castOption(trace, cdi.i, 'text');
-        if(tx) thisText.push(tx);
+        if(tx || tx === 0) thisText.push(tx);
     }
 
     return thisText.join('<br>');

test/image/baselines/display-text_zero-number.png

@@ -0,0 +1,80 @@
+{
+    "data": [
+        {
+            "name": "pie",
+            "type": "pie",
+            "labels": ["A", "B", "C", "D", "E", "F", "G"],
+            "values": [7, 6, 5, 4, 3, 2, 1],
+            "text": [null, "", "0", 0, 1, true, false],
+            "textinfo": "label+text+value",
+            "domain": {
+                "x": [0, 0.48],
+                "y": [0.52, 1]
+            }
+        },
+        {
+            "name": "sunburst",
+            "type": "sunburst",
+            "parents": ["", "A", "B", "C", "D", "E", "F"],
+            "labels": ["A", "B", "C", "D", "E", "F", "G"],
+            "values": [7, 6, 5, 4, 3, 2, 1],
+            "text": [null, "", "0", 0, 1, true, false],
+            "textinfo": "label+text+value",
+            "domain": {
+                "x": [0.52, 1],
+                "y": [0, 0.48]
+            }
+        },
+        {
+            "name": "funnel",
+            "type": "funnel",
+            "y": ["A", "B", "C", "D", "E", "F", "G"],
+            "x": [7, 6, 5, 4, 3, 2, 1],
+            "text": [null, "", "0", 0, 1, true, false],
+            "textinfo": "label+text+value"
+        },
+        {
+            "name": "waterfall",
+            "type": "waterfall",
+            "x": ["A", "B", "C", "D", "E", "F", "G"],
+            "y": [5, -4, 3, -2, 1, null, 3.14],
+            "measure": ["r", "r", "r", "r", "r", "t", "a"],
+            "text": [null, "", "0", 0, 1, true, false],
+            "textinfo": "label+text+final",
+            "textposition": "auto",
+            "xaxis": "x2",
+            "yaxis": "y2"
+        }
+    ],
+    "layout": {
+        "width": 800,
+        "height": 800,
+        "dragmode": "pan",
+        "xaxis": {
+            "domain": [
+                0,
+                0.48
+            ]
+        },
+        "xaxis2": {
+            "anchor": "y2",
+            "domain": [
+                0.52,
+                1
+            ]
+        },
+        "yaxis": {
+            "domain": [
+                0,
+                0.48
+            ]
+        },
+        "yaxis2": {
+            "anchor": "x2",
+            "domain": [
+                0.52,
+                1
+            ]
+        }
+    }
+}