markdown strikethrough

ci/release/changelogs/next.md

@@ -1,6 +1,7 @@
 #### Features 🚀
 
 - `--center` flag centers the SVG in the containing viewbox. [#1056](https://github.com/terrastruct/d2/pull/1056)
+- Strikethrough in Markdown with `~~`. [#1059](https://github.com/terrastruct/d2/pull/1059)
 
 #### Improvements 🧹
 

e2etests/stable_test.go

@@ -805,6 +805,8 @@ ww -> ff.gg
 - Visits always give pleasure: if not on arrival, then on the departure
 
 *Festivity Level 1*: Your guests are chatting amiably with each other.
+
+test ~~strikethrough~~ test
 |
 
 x -> hey -> y

e2etests/testdata/stable/markdown/dagre/board.exp.json

@@ -11,7 +11,7 @@
         "y": 166
       },
       "width": 531,
-      "height": 187,
+      "height": 227,
       "opacity": 1,
       "strokeDash": 0,
       "strokeWidth": 2,
@@ -30,7 +30,7 @@
       "fields": null,
       "methods": null,
       "columns": null,
-      "label": "# Every frustum longs to be a cone\n\n- A continuing flow of paper is sufficient to continue the flow of paper\n- Please remain calm, it's no use both of us being hysterical at the same time\n- Visits always give pleasure: if not on arrival, then on the departure\n\n*Festivity Level 1*: Your guests are chatting amiably with each other.",
+      "label": "# Every frustum longs to be a cone\n\n- A continuing flow of paper is sufficient to continue the flow of paper\n- Please remain calm, it's no use both of us being hysterical at the same time\n- Visits always give pleasure: if not on arrival, then on the departure\n\n*Festivity Level 1*: Your guests are chatting amiably with each other.\n\ntest ~~strikethrough~~ test",
       "fontSize": 16,
       "fontFamily": "DEFAULT",
       "language": "markdown",
@@ -39,7 +39,7 @@
       "bold": false,
       "underline": false,
       "labelWidth": 531,
-      "labelHeight": 187,
+      "labelHeight": 227,
       "zIndex": 0,
       "level": 1
     },
@@ -89,7 +89,7 @@
       "type": "rectangle",
       "pos": {
         "x": 239,
-        "y": 453
+        "y": 493
       },
       "width": 54,
       "height": 66,
@@ -202,21 +202,21 @@
       "labelPosition": "",
       "labelPercentage": 0,
       "route": [
-        {
-          "x": 265.5,
-          "y": 353
-        },
         {
           "x": 265.5,
           "y": 393
         },
         {
           "x": 265.5,
-          "y": 413
+          "y": 433
         },
         {
           "x": 265.5,
           "y": 453
+        },
+        {
+          "x": 265.5,
+          "y": 493
         }
       ],
       "isCurve": true,

e2etests/testdata/stable/markdown/elk/board.exp.json

@@ -11,7 +11,7 @@
         "y": 148
       },
       "width": 531,
-      "height": 187,
+      "height": 227,
       "opacity": 1,
       "strokeDash": 0,
       "strokeWidth": 2,
@@ -30,7 +30,7 @@
       "fields": null,
       "methods": null,
       "columns": null,
-      "label": "# Every frustum longs to be a cone\n\n- A continuing flow of paper is sufficient to continue the flow of paper\n- Please remain calm, it's no use both of us being hysterical at the same time\n- Visits always give pleasure: if not on arrival, then on the departure\n\n*Festivity Level 1*: Your guests are chatting amiably with each other.",
+      "label": "# Every frustum longs to be a cone\n\n- A continuing flow of paper is sufficient to continue the flow of paper\n- Please remain calm, it's no use both of us being hysterical at the same time\n- Visits always give pleasure: if not on arrival, then on the departure\n\n*Festivity Level 1*: Your guests are chatting amiably with each other.\n\ntest ~~strikethrough~~ test",
       "fontSize": 16,
       "fontFamily": "DEFAULT",
       "language": "markdown",
@@ -39,7 +39,7 @@
       "bold": false,
       "underline": false,
       "labelWidth": 531,
-      "labelHeight": 187,
+      "labelHeight": 227,
       "zIndex": 0,
       "level": 1
     },
@@ -89,7 +89,7 @@
       "type": "rectangle",
       "pos": {
         "x": 250,
-        "y": 405
+        "y": 445
       },
       "width": 54,
       "height": 66,
@@ -195,11 +195,11 @@
       "route": [
         {
           "x": 277.5,
-          "y": 335
+          "y": 375
         },
         {
           "x": 277.5,
-          "y": 405
+          "y": 445
         }
       ],
       "animated": false,

lib/textmeasure/markdown.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/PuerkitoBio/goquery"
 	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/extension"
 	goldmarkHtml "github.com/yuin/goldmark/renderer/html"
 	"golang.org/x/net/html"
 
@@ -82,6 +83,9 @@ func init() {
 			goldmarkHtml.WithUnsafe(),
 			goldmarkHtml.WithXHTML(),
 		),
+		goldmark.WithExtensions(
+			extension.Strikethrough,
+		),
 	)
 }