Merge pull request #2378 from alixander/fix-comment-array-bug

d2ir: do not interpret comment in array as array node

Author: alixander

ci/release/changelogs/next.md

@@ -21,4 +21,5 @@
 - Compiler:
   - fixes panic when `sql_shape` shape value had mixed casing [#2349](https://github.com/terrastruct/d2/pull/2349)
   - fixes support for `center` in `d2-config` [#2360](https://github.com/terrastruct/d2/pull/2360)
+  - fixes panic when comment lines appear in arrays [#2378](https://github.com/terrastruct/d2/pull/2378)
 - CLI: fetch and render remote images of mimetype octet-stream correctly [#2370](https://github.com/terrastruct/d2/pull/2370)

d2compiler/compile_test.go

@@ -4409,6 +4409,24 @@ a: {
 					assert.Equal(t, 2, len(g.Objects[0].SQLTable.Columns[0].Constraint))
 				},
 			},
+			{
+				name: "comment-array",
+				run: func(t *testing.T) {
+					assertCompile(t, `
+vars: {
+  list: [
+    "a";
+    "b";
+    "c";
+    "d"
+    # e
+  ]
+}
+
+a
+`, "")
+				},
+			},
 			{
 				name: "spread-array",
 				run: func(t *testing.T) {

d2ir/compile.go

@@ -1282,6 +1282,8 @@ func (c *compiler) compileArray(dst *Array, a *d2ast.Array, scopeAST *d2ast.Map)
 					Value: []d2ast.InterpolationBox{{Substitution: an.Substitution}},
 				},
 			}
+		case *d2ast.Comment:
+			continue
 		}
 
 		dst.Values = append(dst.Values, irv)