diff --git a/ci/release/changelogs/next.md b/ci/release/changelogs/next.md
index 8b1b3c4f60..65594b6f97 100644
--- a/ci/release/changelogs/next.md
+++ b/ci/release/changelogs/next.md
@@ -15,3 +15,4 @@
- Fixes Markdown cropping last element in mixed-element blocks (e.g. em and strong) [#1543](https://github.com/terrastruct/d2/issues/1543)
- Fixes missing compile error for non-blockstring empty labels [#1590](https://github.com/terrastruct/d2/issues/1590)
- Fixes multiple constant nears overlapping in some cases [#1591](https://github.com/terrastruct/d2/issues/1591)
+- Fixes error with an empty nested grid [#1594](https://github.com/terrastruct/d2/issues/1594)
diff --git a/d2layouts/d2grid/layout.go b/d2layouts/d2grid/layout.go
index 5e8d0125ff..9e91094530 100644
--- a/d2layouts/d2grid/layout.go
+++ b/d2layouts/d2grid/layout.go
@@ -64,11 +64,14 @@ func withoutGridDiagrams(ctx context.Context, g *d2graph.Graph, layout d2graph.L
var processGrid func(obj *d2graph.Object) error
processGrid = func(obj *d2graph.Object) error {
for _, child := range obj.ChildrenArray {
+ if len(child.ChildrenArray) == 0 {
+ continue
+ }
if child.IsGridDiagram() {
if err := processGrid(child); err != nil {
return err
}
- } else if len(child.ChildrenArray) > 0 {
+ } else {
tempGraph := g.ExtractAsNestedGraph(child)
if err := layout(ctx, tempGraph); err != nil {
return err
@@ -701,20 +704,14 @@ func (gd *gridDiagram) getBestLayout(targetSize float64, columns bool) [][]*d2gr
// if multiple nodes are too big, it isn't ok. but a single node can't shrink so only check here
if rowSize > okThreshold*targetSize {
skipCount++
- if skipCount >= SKIP_LIMIT {
- // there may even be too many to skip
- return true
- }
- return false
+ // there may even be too many to skip
+ return skipCount >= SKIP_LIMIT
}
}
// row is too small to be good overall
if rowSize < targetSize/okThreshold {
skipCount++
- if skipCount >= SKIP_LIMIT {
- return true
- }
- return false
+ return skipCount >= SKIP_LIMIT
}
return true
}
diff --git a/e2etests/regression_test.go b/e2etests/regression_test.go
index 9a1c29a9f8..e098212ba0 100644
--- a/e2etests/regression_test.go
+++ b/e2etests/regression_test.go
@@ -1040,6 +1040,7 @@ cf many required: {
loadFromFile(t, "outside_grid_label_position"),
loadFromFile(t, "arrowhead_font_color"),
loadFromFile(t, "multiple_constant_nears"),
+ loadFromFile(t, "empty_nested_grid"),
}
runa(t, tcs)
diff --git a/e2etests/testdata/files/empty_nested_grid.d2 b/e2etests/testdata/files/empty_nested_grid.d2
new file mode 100644
index 0000000000..7df0a9ed37
--- /dev/null
+++ b/e2etests/testdata/files/empty_nested_grid.d2
@@ -0,0 +1,7 @@
+outer: {
+ grid-rows: 1
+ inner: {
+ grid-rows: 1
+ # empty
+ }
+}
diff --git a/e2etests/testdata/regression/empty_nested_grid/dagre/board.exp.json b/e2etests/testdata/regression/empty_nested_grid/dagre/board.exp.json
new file mode 100644
index 0000000000..3a0c7b7110
--- /dev/null
+++ b/e2etests/testdata/regression/empty_nested_grid/dagre/board.exp.json
@@ -0,0 +1,130 @@
+{
+ "name": "",
+ "isFolderOnly": false,
+ "fontFamily": "SourceSansPro",
+ "shapes": [
+ {
+ "id": "outer",
+ "type": "rectangle",
+ "pos": {
+ "x": 0,
+ "y": 0
+ },
+ "width": 221,
+ "height": 196,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B4",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "outer",
+ "fontSize": 28,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 63,
+ "labelHeight": 36,
+ "labelPosition": "INSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 1
+ },
+ {
+ "id": "outer.inner",
+ "type": "rectangle",
+ "pos": {
+ "x": 60,
+ "y": 60
+ },
+ "width": 101,
+ "height": 76,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B5",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "inner",
+ "fontSize": 24,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": true,
+ "underline": false,
+ "labelWidth": 56,
+ "labelHeight": 31,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "zIndex": 0,
+ "level": 2
+ }
+ ],
+ "connections": [],
+ "root": {
+ "id": "",
+ "type": "",
+ "pos": {
+ "x": 0,
+ "y": 0
+ },
+ "width": 0,
+ "height": 0,
+ "opacity": 0,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "",
+ "fontSize": 0,
+ "fontFamily": "",
+ "language": "",
+ "color": "",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "zIndex": 0,
+ "level": 0
+ }
+}
diff --git a/e2etests/testdata/regression/empty_nested_grid/dagre/sketch.exp.svg b/e2etests/testdata/regression/empty_nested_grid/dagre/sketch.exp.svg
new file mode 100644
index 0000000000..e83f62b6ed
--- /dev/null
+++ b/e2etests/testdata/regression/empty_nested_grid/dagre/sketch.exp.svg
@@ -0,0 +1,103 @@
+
\ No newline at end of file
diff --git a/e2etests/testdata/regression/empty_nested_grid/elk/board.exp.json b/e2etests/testdata/regression/empty_nested_grid/elk/board.exp.json
new file mode 100644
index 0000000000..0489c2b353
--- /dev/null
+++ b/e2etests/testdata/regression/empty_nested_grid/elk/board.exp.json
@@ -0,0 +1,130 @@
+{
+ "name": "",
+ "isFolderOnly": false,
+ "fontFamily": "SourceSansPro",
+ "shapes": [
+ {
+ "id": "outer",
+ "type": "rectangle",
+ "pos": {
+ "x": 12,
+ "y": 12
+ },
+ "width": 221,
+ "height": 196,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B4",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "outer",
+ "fontSize": 28,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 63,
+ "labelHeight": 36,
+ "labelPosition": "INSIDE_TOP_CENTER",
+ "zIndex": 0,
+ "level": 1
+ },
+ {
+ "id": "outer.inner",
+ "type": "rectangle",
+ "pos": {
+ "x": 72,
+ "y": 72
+ },
+ "width": 101,
+ "height": 76,
+ "opacity": 1,
+ "strokeDash": 0,
+ "strokeWidth": 2,
+ "borderRadius": 0,
+ "fill": "B5",
+ "stroke": "B1",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "inner",
+ "fontSize": 24,
+ "fontFamily": "DEFAULT",
+ "language": "",
+ "color": "N1",
+ "italic": false,
+ "bold": true,
+ "underline": false,
+ "labelWidth": 56,
+ "labelHeight": 31,
+ "labelPosition": "INSIDE_MIDDLE_CENTER",
+ "zIndex": 0,
+ "level": 2
+ }
+ ],
+ "connections": [],
+ "root": {
+ "id": "",
+ "type": "",
+ "pos": {
+ "x": 0,
+ "y": 0
+ },
+ "width": 0,
+ "height": 0,
+ "opacity": 0,
+ "strokeDash": 0,
+ "strokeWidth": 0,
+ "borderRadius": 0,
+ "fill": "N7",
+ "stroke": "",
+ "shadow": false,
+ "3d": false,
+ "multiple": false,
+ "double-border": false,
+ "tooltip": "",
+ "link": "",
+ "icon": null,
+ "iconPosition": "",
+ "blend": false,
+ "fields": null,
+ "methods": null,
+ "columns": null,
+ "label": "",
+ "fontSize": 0,
+ "fontFamily": "",
+ "language": "",
+ "color": "",
+ "italic": false,
+ "bold": false,
+ "underline": false,
+ "labelWidth": 0,
+ "labelHeight": 0,
+ "zIndex": 0,
+ "level": 0
+ }
+}
diff --git a/e2etests/testdata/regression/empty_nested_grid/elk/sketch.exp.svg b/e2etests/testdata/regression/empty_nested_grid/elk/sketch.exp.svg
new file mode 100644
index 0000000000..78802de345
--- /dev/null
+++ b/e2etests/testdata/regression/empty_nested_grid/elk/sketch.exp.svg
@@ -0,0 +1,103 @@
+outerinner
+
+
+
+
\ No newline at end of file