Merge branch 'master' into sequence-diagram-self-edges

ci/release/changelogs/next.md

@@ -25,6 +25,8 @@
 
 - Local images can now be included, e.g. `icon: ./my_img.png`.
   [#146](https://github.com/terrastruct/d2/issues/146)
+- Connection labels no longer overlap other connections.
+  [#332](https://github.com/terrastruct/d2/pull/332)
 - ELK layout engine now defaults to top-down to be consistent with dagre.
   [#251](https://github.com/terrastruct/d2/pull/251)
 - [install.sh](./install.sh) prints the dry run message more visibly.
@@ -46,6 +48,8 @@
   [#214](https://github.com/terrastruct/d2/pull/214)
 - Fixes images not loading in PNG exports.
   [#224](https://github.com/terrastruct/d2/pull/224)
+- Fixes label and icon overlapping each other in dagre and elk layouts.
+  [#343](https://github.com/terrastruct/d2/pull/343)
 - Avoid logging benign file watching errors.
   [#293](https://github.com/terrastruct/d2/pull/293)
 - `$BROWSER` now works to open a custom browser correctly.

ci/release/template/scripts/lib.sh

@@ -24,11 +24,10 @@ pick() {
 
   seed_file="$(mktemp)"
   echo "$seed" >"$seed_file"
-  # We add 16 more bytes to the seed file for sufficient entropy. Otherwise Cygwin's sort
+  # We add 16 more bytes to the seed file for sufficient entropy. Otherwise both Cygwin's
-  # for example complains and I'm sure there are more platforms that would too.
+  # and MinGW's sort for example complains about the lack of entropy on stderr and writes
-  # edit: nvm disabled for now, we don't use Cygwin anyway, we use MinGW who has a sort
+  # nothing to stdout. I'm sure there are more platforms that would too.
-  # that behaves correctly.
+  echo "================" >"$seed_file"
-  # echo "================" >"$seed_file"
 
   while [ $# -gt 0 ]; do
     echo "$1"

cmd/d2plugin-dagre/main.go

@@ -1,4 +1,4 @@
-//go:build cgo && !nodagre
+//go:build !nodagre
 
 package main
 

d2compiler/compile.go

@@ -252,11 +252,8 @@ func (c *compiler) compileKey(obj *d2graph.Object, m *d2ast.Map, mk *d2ast.Key)
 		c.errorf(mk.Range.Start, mk.Range.End, err.Error())
 		return
 	}
-	if resolvedObj != obj {
-		obj = resolvedObj
-	}
 
-	parent := obj
+	parent := resolvedObj
 	if len(resolvedIDA) > 0 {
 		unresolvedObj := obj
 		obj = parent.EnsureChild(resolvedIDA)

d2compiler/compile_test.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"testing"
 
+	tassert "github.com/stretchr/testify/assert"
 	"oss.terrastruct.com/util-go/assert"
 	"oss.terrastruct.com/util-go/diff"
 
@@ -209,6 +210,20 @@ x: {
 
 			},
 		},
+		{
+			name: "underscore_unresolved_obj",
+
+			text: `
+x: {
+	_.y
+}
+`,
+			assertions: func(t *testing.T, g *d2graph.Graph) {
+				tassert.Equal(t, "y", g.Objects[1].ID)
+				tassert.Equal(t, g.Root.AbsID(), g.Objects[1].References[0].ScopeObj.AbsID())
+				tassert.Equal(t, g.Objects[0].AbsID(), g.Objects[1].References[0].UnresolvedScopeObj.AbsID())
+			},
+		},
 		{
 			name: "underscore_parent_not_root",
 
@@ -1520,6 +1535,18 @@ dst.id <-> src.dst_id
 				assert.String(t, "sequence_diagram", g.Root.Attributes.Shape.Value)
 			},
 		},
+		{
+			name: "leaky_sequence",
+
+			text: `x: {
+  shape: sequence_diagram
+	a
+}
+b -> x.a
+`,
+			expErr: `d2/testdata/d2compiler/TestCompile/leaky_sequence.d2:5:1: connections within sequence diagrams can connect only to other objects within the same sequence diagram
+`,
+		},
 		{
 			name: "root_direction",
 

d2graph/d2graph.go

@@ -711,6 +711,16 @@ func (e *Edge) AbsID() string {
 	return fmt.Sprintf("%s(%s %s %s)[%d]", commonKey, strings.Join(srcIDA, "."), e.ArrowString(), strings.Join(dstIDA, "."), e.Index)
 }
 
+func (obj *Object) outerSequenceDiagram() *Object {
+	for obj != nil {
+		obj = obj.Parent
+		if obj.IsSequenceDiagram() {
+			return obj
+		}
+	}
+	return nil
+}
+
 func (obj *Object) Connect(srcID, dstID []string, srcArrow, dstArrow bool, label string) (*Edge, error) {
 	srcObj, srcID, err := ResolveUnderscoreKey(srcID, obj)
 	if err != nil {
@@ -732,6 +742,10 @@ func (obj *Object) Connect(srcID, dstID []string, srcArrow, dstArrow bool, label
 	src := srcObj.EnsureChild(srcID)
 	dst := dstObj.EnsureChild(dstID)
 
+	if src.outerSequenceDiagram() != dst.outerSequenceDiagram() {
+		return nil, errors.New("connections within sequence diagrams can connect only to other objects within the same sequence diagram")
+	}
+
 	edge := &Edge{
 		Attributes: Attributes{
 			Label: Scalar{

d2layouts/d2dagrelayout/layout.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 
 	"cdr.dev/slog"
-	v8 "rogchap.com/v8go"
+	"github.com/dop251/goja"
 
 	"oss.terrastruct.com/util-go/xdefer"
 
@@ -54,11 +54,11 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 	defer xdefer.Errorf(&err, "failed to dagre layout")
 
 	debugJS := false
-	v8ctx := v8.NewContext()
+	vm := goja.New()
-	if _, err := v8ctx.RunScript(dagreJS, "dagre.js"); err != nil {
+	if _, err := vm.RunString(dagreJS); err != nil {
 		return err
 	}
-	if _, err := v8ctx.RunScript(setupJS, "setup.js"); err != nil {
+	if _, err := vm.RunString(setupJS); err != nil {
 		return err
 	}
 
@@ -80,7 +80,7 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 		rootAttrs.rankdir = "TB"
 	}
 	configJS := setGraphAttrs(rootAttrs)
-	if _, err := v8ctx.RunScript(configJS, "config.js"); err != nil {
+	if _, err := vm.RunString(configJS); err != nil {
 		return err
 	}
 
@@ -116,11 +116,11 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 		log.Debug(ctx, "script", slog.F("all", setupJS+configJS+loadScript))
 	}
 
-	if _, err := v8ctx.RunScript(loadScript, "load.js"); err != nil {
+	if _, err := vm.RunString(loadScript); err != nil {
 		return err
 	}
 
-	if _, err := v8ctx.RunScript(`dagre.layout(g)`, "layout.js"); err != nil {
+	if _, err := vm.RunString(`dagre.layout(g)`); err != nil {
 		if debugJS {
 			log.Warn(ctx, "layout error", slog.F("err", err))
 		}
@@ -128,7 +128,7 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 	}
 
 	for i := range g.Objects {
-		val, err := v8ctx.RunScript(fmt.Sprintf("JSON.stringify(g.node(g.nodes()[%d]))", i), "value.js")
+		val, err := vm.RunString(fmt.Sprintf("JSON.stringify(g.node(g.nodes()[%d]))", i))
 		if err != nil {
 			return err
 		}
@@ -150,7 +150,7 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 		if obj.LabelWidth != nil && obj.LabelHeight != nil {
 			if len(obj.ChildrenArray) > 0 {
 				obj.LabelPosition = go2.Pointer(string(label.InsideTopCenter))
-			} else if obj.Attributes.Shape.Value == d2target.ShapeImage {
+			} else if obj.Attributes.Shape.Value == d2target.ShapeImage || obj.Attributes.Icon != nil {
 				obj.LabelPosition = go2.Pointer(string(label.OutsideTopCenter))
 			} else {
 				obj.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
@@ -162,7 +162,7 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 	}
 
 	for i, edge := range g.Edges {
-		val, err := v8ctx.RunScript(fmt.Sprintf("JSON.stringify(g.edge(g.edges()[%d]))", i), "value.js")
+		val, err := vm.RunString(fmt.Sprintf("JSON.stringify(g.edge(g.edges()[%d]))", i))
 		if err != nil {
 			return err
 		}

d2layouts/d2elklayout/layout.go

@@ -11,8 +11,7 @@ import (
 	"fmt"
 	"math"
 
-	"rogchap.com/v8go"
+	"github.com/dop251/goja"
-
 	"oss.terrastruct.com/util-go/xdefer"
 
 	"oss.terrastruct.com/util-go/go2"
@@ -88,30 +87,17 @@ type ELKLayoutOptions struct {
 func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 	defer xdefer.Errorf(&err, "failed to ELK layout")
 
-	iso := v8go.NewIsolate()
+	vm := goja.New()
-	global := v8go.NewObjectTemplate(iso)
 
-	// setTimeout is not defined by in v8go global
+	console := vm.NewObject()
-	// As far as I can tell, it's not actually useful in elk.js
+	if err := vm.Set("console", console); err != nil {
-	// The comment above one of the instances it's used is "why do we even need this"
-	// and it's a timeout of 0.
-	// If weird things happen though, look here.
-	setTimeout := v8go.NewFunctionTemplate(iso, func(info *v8go.FunctionCallbackInfo) *v8go.Value {
-		args := info.Args()
-		fn, _ := args[0].AsFunction()
-		receiver := v8go.NewObjectTemplate(iso)
-		s, _ := receiver.NewInstance(info.Context())
-		fn.Call(s)
-
-		return s.Value
-	})
-	global.Set("setTimeout", setTimeout, v8go.ReadOnly)
-
-	v8ctx := v8go.NewContext(iso, global)
-	if _, err := v8ctx.RunScript(elkJS, "elk.js"); err != nil {
 		return err
 	}
-	if _, err := v8ctx.RunScript(setupJS, "setup.js"); err != nil {
+
+	if _, err := vm.RunString(elkJS); err != nil {
+		return err
+	}
+	if _, err := vm.RunString(setupJS); err != nil {
 		return err
 	}
 
@@ -205,37 +191,41 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 
 	loadScript := fmt.Sprintf(`var graph = %s`, raw)
 
-	if _, err := v8ctx.RunScript(loadScript, "load.js"); err != nil {
+	if _, err := vm.RunString(loadScript); err != nil {
 		return err
 	}
 
-	val, err := v8ctx.RunScript(`elk.layout(graph)
+	val, err := vm.RunString(`elk.layout(graph)
 .then(s => s)
 .catch(s => s)
-`, "layout.js")
+`)
 
 	if err != nil {
 		return err
 	}
 
-	promise, err := val.AsPromise()
+	p := val.Export()
 	if err != nil {
 		return err
 	}
 
-	for promise.State() == v8go.Pending {
+	promise := p.(*goja.Promise)
+
+	for promise.State() == goja.PromiseStatePending {
 		if err := ctx.Err(); err != nil {
 			return err
 		}
 		continue
 	}
 
-	jsonOut, err := promise.Result().MarshalJSON()
+	jsonOut := promise.Result().Export().(map[string]interface{})
+
+	jsonBytes, err := json.Marshal(jsonOut)
 	if err != nil {
 		return err
 	}
 
-	err = json.Unmarshal(jsonOut, &elkGraph)
+	err = json.Unmarshal(jsonBytes, &elkGraph)
 	if err != nil {
 		return err
 	}
@@ -257,7 +247,7 @@ func Layout(ctx context.Context, g *d2graph.Graph) (err error) {
 		if obj.LabelWidth != nil && obj.LabelHeight != nil {
 			if len(obj.ChildrenArray) > 0 {
 				obj.LabelPosition = go2.Pointer(string(label.InsideTopCenter))
-			} else if obj.Attributes.Shape.Value == d2target.ShapeImage {
+			} else if obj.Attributes.Shape.Value == d2target.ShapeImage || obj.Attributes.Icon != nil {
 				obj.LabelPosition = go2.Pointer(string(label.OutsideTopCenter))
 			} else {
 				obj.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))

d2layouts/d2elklayout/setup.js

@@ -1 +1,2 @@
+var setTimeout = function(f) {f()};
 const elk = new ELK();

d2layouts/d2sequence/constants.go

@@ -26,7 +26,7 @@ const SPAN_MESSAGE_PAD = 16.
 
 const LIFELINE_STROKE_WIDTH int = 2
 
-const LIFELINE_STROKE_DASH int = 8
+const LIFELINE_STROKE_DASH int = 6
 
 // pad when the actor has the label placed OutsideMiddleBottom so that the lifeline is not so close to the text
 const LIFELINE_LABEL_PAD = 5.

d2layouts/d2sequence/layout.go

@@ -53,6 +53,9 @@ func Layout(ctx context.Context, g *d2graph.Graph, layout func(ctx context.Conte
 		for _, obj := range sd.actors {
 			objectsToRemove[obj] = struct{}{}
 		}
+		for _, obj := range sd.notes {
+			objectsToRemove[obj] = struct{}{}
+		}
 		for _, obj := range sd.spans {
 			objectsToRemove[obj] = struct{}{}
 		}
@@ -147,6 +150,7 @@ func cleanup(g *d2graph.Graph, sequenceDiagrams map[string]*sequenceDiagram, obj
 		g.Edges = append(g.Edges, sequenceDiagrams[obj.AbsID()].messages...)
 		g.Edges = append(g.Edges, sequenceDiagrams[obj.AbsID()].lifelines...)
 		g.Objects = append(g.Objects, sequenceDiagrams[obj.AbsID()].actors...)
+		g.Objects = append(g.Objects, sequenceDiagrams[obj.AbsID()].notes...)
 		g.Objects = append(g.Objects, sequenceDiagrams[obj.AbsID()].spans...)
 	}
 

d2layouts/d2sequence/layout_test.go

@@ -1,10 +1,14 @@
-package d2sequence
+package d2sequence_test
 
 import (
 	"context"
+	"strings"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+	"oss.terrastruct.com/d2/d2compiler"
 	"oss.terrastruct.com/d2/d2graph"
+	"oss.terrastruct.com/d2/d2layouts/d2sequence"
 	"oss.terrastruct.com/d2/d2target"
 	"oss.terrastruct.com/d2/lib/geo"
 	"oss.terrastruct.com/d2/lib/label"
@@ -25,45 +29,28 @@ func TestBasicSequenceDiagram(t *testing.T) {
 	//      │                       │
 	//      ◄───────────────────────┤
 	//      │                       │
-	g := d2graph.NewGraph(nil)
+	input := `
-	g.Root.Attributes.Shape = d2graph.Scalar{Value: d2target.ShapeSequenceDiagram}
+shape: sequence_diagram
-	n1 := g.Root.EnsureChild([]string{"n1"})
+n1 -> n2: left to right
+n2 -> n1: right to left
+n1 -> n2
+n2 -> n1
+`
+	g, err := d2compiler.Compile("", strings.NewReader(input), nil)
+	assert.Nil(t, err)
+
+	n1, has := g.Root.HasChild([]string{"n1"})
+	assert.True(t, has)
+	n2, has := g.Root.HasChild([]string{"n2"})
+	assert.True(t, has)
+
 	n1.Box = geo.NewBox(nil, 100, 100)
-	n2 := g.Root.EnsureChild([]string{"n2"})
 	n2.Box = geo.NewBox(nil, 30, 30)
 
-	g.Edges = []*d2graph.Edge{
-		{
-			Src:   n1,
-			Dst:   n2,
-			Index: 0,
-			Attributes: d2graph.Attributes{
-				Label: d2graph.Scalar{Value: "left to right"},
-			},
-		},
-		{
-			Src:   n2,
-			Dst:   n1,
-			Index: 0,
-			Attributes: d2graph.Attributes{
-				Label: d2graph.Scalar{Value: "right to left"},
-			},
-		},
-		{
-			Src:   n1,
-			Dst:   n2,
-			Index: 1,
-		},
-		{
-			Src:   n2,
-			Dst:   n1,
-			Index: 1,
-		},
-	}
 	nEdges := len(g.Edges)
 
 	ctx := log.WithTB(context.Background(), t, nil)
-	Layout(ctx, g, func(ctx context.Context, g *d2graph.Graph) error {
+	d2sequence.Layout(ctx, g, func(ctx context.Context, g *d2graph.Graph) error {
 		// just set some position as if it had been properly placed
 		for _, obj := range g.Objects {
 			obj.TopLeft = geo.NewPoint(0, 0)
@@ -153,12 +140,12 @@ func TestBasicSequenceDiagram(t *testing.T) {
 	}
 
 	// check label positions
-	if *g.Edges[0].LabelPosition != string(label.OutsideTopCenter) {
+	if *g.Edges[0].LabelPosition != string(label.InsideMiddleCenter) {
-		t.Fatalf("expected edge label to be placed on %s, got %s", string(label.OutsideTopCenter), *g.Edges[0].LabelPosition)
+		t.Fatalf("expected edge label to be placed on %s, got %s", string(label.InsideMiddleCenter), *g.Edges[0].LabelPosition)
 	}
 
-	if *g.Edges[1].LabelPosition != string(label.OutsideBottomCenter) {
+	if *g.Edges[1].LabelPosition != string(label.InsideMiddleCenter) {
-		t.Fatalf("expected edge label to be placed on %s, got %s", string(label.OutsideBottomCenter), *g.Edges[0].LabelPosition)
+		t.Fatalf("expected edge label to be placed on %s, got %s", string(label.InsideMiddleCenter), *g.Edges[0].LabelPosition)
 	}
 }
 
@@ -172,48 +159,51 @@ func TestSpansSequenceDiagram(t *testing.T) {
 	//      ├┐──────────────────────►
 	//   t2 ││                      │
 	//      ├┘◄─────────────────────┤
-	g := d2graph.NewGraph(nil)
-	g.Root.Attributes.Shape = d2graph.Scalar{Value: d2target.ShapeSequenceDiagram}
-	a := g.Root.EnsureChild([]string{"a"})
-	a.Box = geo.NewBox(nil, 100, 100)
-	a.Attributes = d2graph.Attributes{
-		Shape: d2graph.Scalar{Value: shape.PERSON_TYPE},
-	}
-	a_t1 := a.EnsureChild([]string{"t1"})
-	a_t1.Box = geo.NewBox(nil, 100, 100)
-	a_t1.Attributes = d2graph.Attributes{
-		Shape: d2graph.Scalar{Value: shape.DIAMOND_TYPE},
-		Label: d2graph.Scalar{Value: "label"},
-	}
-	a_t2 := a.EnsureChild([]string{"t2"})
-	a_t2.Box = geo.NewBox(nil, 100, 100)
-	b := g.Root.EnsureChild([]string{"b"})
-	b.Box = geo.NewBox(nil, 30, 30)
-	b_t1 := b.EnsureChild([]string{"t1"})
-	b_t1.Box = geo.NewBox(nil, 100, 100)
 
-	g.Edges = []*d2graph.Edge{
+	input := `
-		{
+shape: sequence_diagram
-			Src:   a_t1,
+a: { shape: person }
-			Dst:   b_t1,
+b
-			Index: 0,
+
-		}, {
+a.t1: {
-			Src:   b_t1,
+  shape: diamond
-			Dst:   a_t1,
+  label: label
-			Index: 0,
-		}, {
-			Src:   a_t2,
-			Dst:   b,
-			Index: 0,
-		}, {
-			Src:   b,
-			Dst:   a_t2,
-			Index: 0,
-		},
 }
+a.t1 -> b.t1
+b.t1 -> a.t1
+
+a.t2 -> b
+b -> a.t2`
 
 	ctx := log.WithTB(context.Background(), t, nil)
-	Layout(ctx, g, func(ctx context.Context, g *d2graph.Graph) error {
+	g, err := d2compiler.Compile("", strings.NewReader(input), nil)
+	assert.Nil(t, err)
+
+	g.Root.Attributes.Shape = d2graph.Scalar{Value: d2target.ShapeSequenceDiagram}
+
+	a, has := g.Root.HasChild([]string{"a"})
+	assert.True(t, has)
+
+	a_t1, has := a.HasChild([]string{"t1"})
+	assert.True(t, has)
+
+	a_t2, has := a.HasChild([]string{"t2"})
+	assert.True(t, has)
+
+	b, has := g.Root.HasChild([]string{"b"})
+	assert.True(t, has)
+	b.Box = geo.NewBox(nil, 30, 30)
+
+	b_t1, has := b.HasChild([]string{"t1"})
+	assert.True(t, has)
+
+	a.Box = geo.NewBox(nil, 100, 100)
+	a_t1.Box = geo.NewBox(nil, 100, 100)
+	a_t2.Box = geo.NewBox(nil, 100, 100)
+	b.Box = geo.NewBox(nil, 30, 30)
+	b_t1.Box = geo.NewBox(nil, 100, 100)
+
+	d2sequence.Layout(ctx, g, func(ctx context.Context, g *d2graph.Graph) error {
 		// just set some position as if it had been properly placed
 		for _, obj := range g.Objects {
 			obj.TopLeft = geo.NewPoint(0, 0)
@@ -226,9 +216,7 @@ func TestSpansSequenceDiagram(t *testing.T) {
 	})
 
 	// check properties
-	if a.Attributes.Shape.Value != shape.PERSON_TYPE {
+	assert.Equal(t, strings.ToLower(shape.PERSON_TYPE), strings.ToLower(a.Attributes.Shape.Value))
-		t.Fatal("actor a shape changed")
-	}
 
 	if a_t1.Attributes.Label.Value != "" {
 		t.Fatalf("expected no label for span, got %s", a_t1.Attributes.Label.Value)
@@ -249,13 +237,13 @@ func TestSpansSequenceDiagram(t *testing.T) {
 	}
 
 	// Y diff of the 2 first edges
-	expectedHeight := g.Edges[1].Route[0].Y - g.Edges[0].Route[0].Y + (2 * SPAN_MESSAGE_PAD)
+	expectedHeight := g.Edges[1].Route[0].Y - g.Edges[0].Route[0].Y + (2 * d2sequence.SPAN_MESSAGE_PAD)
 	if a_t1.Height != expectedHeight {
 		t.Fatalf("expected a.t1 height to be %.5f, got %.5f", expectedHeight, a_t1.Height)
 	}
 
-	if a_t1.Width != SPAN_BASE_WIDTH {
+	if a_t1.Width != d2sequence.SPAN_BASE_WIDTH {
-		t.Fatalf("expected span width to be %.5f, got %.5f", SPAN_BASE_WIDTH, a_t1.Width)
+		t.Fatalf("expected span width to be %.5f, got %.5f", d2sequence.SPAN_BASE_WIDTH, a_t1.Width)
 	}
 
 	// check positions
@@ -271,7 +259,7 @@ func TestSpansSequenceDiagram(t *testing.T) {
 	if a_t1.TopLeft.Y != b_t1.TopLeft.Y {
 		t.Fatal("expected a.t1 and b.t1 to be placed at the same Y")
 	}
-	if a_t1.TopLeft.Y+SPAN_MESSAGE_PAD != g.Edges[0].Route[0].Y {
+	if a_t1.TopLeft.Y+d2sequence.SPAN_MESSAGE_PAD != g.Edges[0].Route[0].Y {
 		t.Fatal("expected a.t1 to be placed at the same Y of the first message")
 	}
 
@@ -298,38 +286,44 @@ func TestNestedSequenceDiagrams(t *testing.T) {
 	// |     t1 ││                     ││ t1    |
 	// |        ├┘◄──────sdEdge2───────└┤       |
 	// └────────────────────────────────────────┘
-	g := d2graph.NewGraph(nil)
+	input := `container: {
-	container := g.Root.EnsureChild([]string{"container"})
+  shape: sequence_diagram
-	container.Attributes.Shape = d2graph.Scalar{Value: d2target.ShapeSequenceDiagram}
+  a: { shape: person }
+  b
+  a.t1 -> b.t1: sequence diagram edge 1
+  b.t1 -> a.t1: sequence diagram edge 2
+}
+c
+container -> c: edge 1
+`
+	ctx := log.WithTB(context.Background(), t, nil)
+	g, err := d2compiler.Compile("", strings.NewReader(input), nil)
+	assert.Nil(t, err)
+
+	container, has := g.Root.HasChild([]string{"container"})
+	assert.True(t, has)
 	container.Box = geo.NewBox(nil, 500, 500)
-	a := container.EnsureChild([]string{"a"})
+
+	a, has := container.HasChild([]string{"a"})
+	assert.True(t, has)
 	a.Box = geo.NewBox(nil, 100, 100)
-	a.Attributes.Shape = d2graph.Scalar{Value: shape.PERSON_TYPE}
+
-	a_t1 := a.EnsureChild([]string{"t1"})
+	a_t1, has := a.HasChild([]string{"t1"})
+	assert.True(t, has)
 	a_t1.Box = geo.NewBox(nil, 100, 100)
-	b := container.EnsureChild([]string{"b"})
+
+	b, has := container.HasChild([]string{"b"})
+	assert.True(t, has)
 	b.Box = geo.NewBox(nil, 30, 30)
-	b_t1 := b.EnsureChild([]string{"t1"})
+
+	b_t1, has := b.HasChild([]string{"t1"})
+	assert.True(t, has)
 	b_t1.Box = geo.NewBox(nil, 100, 100)
 
 	c := g.Root.EnsureChild([]string{"c"})
 	c.Box = geo.NewBox(nil, 100, 100)
 	c.Attributes.Shape = d2graph.Scalar{Value: d2target.ShapeSquare}
 
-	sdEdge1, err := g.Root.Connect(a_t1.AbsIDArray(), b_t1.AbsIDArray(), false, true, "sequence diagram edge 1")
-	if err != nil {
-		t.Fatal(err)
-	}
-	sdEdge2, err := g.Root.Connect(b_t1.AbsIDArray(), a_t1.AbsIDArray(), false, true, "sequence diagram edge 2")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	edge1, err := g.Root.Connect(container.AbsIDArray(), c.AbsIDArray(), false, false, "edge 1")
-	if err != nil {
-		t.Fatal(err)
-	}
-
 	layoutFn := func(ctx context.Context, g *d2graph.Graph) error {
 		if len(g.Objects) != 2 {
 			t.Fatal("expected only diagram objects for layout")
@@ -347,14 +341,7 @@ func TestNestedSequenceDiagrams(t *testing.T) {
 			t.Fatal("container children mismatch")
 		}
 
-		for _, edge := range g.Edges {
+		assert.Equal(t, 1, len(g.Edges))
-			if edge == sdEdge1 || edge == sdEdge2 {
-				t.Fatal("expected to have removed all sequence diagram edges from graph")
-			}
-		}
-		if g.Edges[0] != edge1 {
-			t.Fatal("expected graph edge to be in the graph")
-		}
 
 		// just set some position as if it had been properly placed
 		for _, obj := range g.Objects {
@@ -368,8 +355,7 @@ func TestNestedSequenceDiagrams(t *testing.T) {
 		return nil
 	}
 
-	ctx := log.WithTB(context.Background(), t, nil)
+	if err = d2sequence.Layout(ctx, g, layoutFn); err != nil {
-	if err = Layout(ctx, g, layoutFn); err != nil {
 		t.Fatal(err)
 	}
 

d2layouts/d2sequence/sequence_diagram.go

@@ -20,7 +20,9 @@ type sequenceDiagram struct {
 	messages  []*d2graph.Edge
 	lifelines []*d2graph.Edge
 	actors    []*d2graph.Object
+	groups    []*d2graph.Object
 	spans     []*d2graph.Object
+	notes     []*d2graph.Object
 
 	// can be either actors or spans
 	// rank: left to right position of actors/spans (spans have the same rank as their parents)
@@ -30,23 +32,117 @@ type sequenceDiagram struct {
 	firstMessage map[*d2graph.Object]*d2graph.Edge
 	lastMessage  map[*d2graph.Object]*d2graph.Edge
 
-	messageYStep   float64
+	yStep          float64
 	actorXStep     float64
 	maxActorHeight float64
+
+	verticalIndices map[string]int
+}
+
+func getObjEarliestLineNum(o *d2graph.Object) int {
+	min := int(math.MaxInt64)
+	for _, ref := range o.References {
+		if ref.MapKey == nil {
+			continue
+		}
+		min = go2.IntMin(min, ref.MapKey.Range.Start.Line)
+	}
+	return min
+}
+
+func getEdgeEarliestLineNum(e *d2graph.Edge) int {
+	min := int(math.MaxInt64)
+	for _, ref := range e.References {
+		if ref.MapKey == nil {
+			continue
+		}
+		min = go2.IntMin(min, ref.MapKey.Range.Start.Line)
+	}
+	return min
+}
+
+func hasEdge(o *d2graph.Object) bool {
+	for _, ref := range o.References {
+		if ref.MapKey != nil && len(ref.MapKey.Edges) > 0 {
+			return true
+		}
+	}
+
+	return false
+}
+
+func containsAnyMessage(o *d2graph.Object, messages []*d2graph.Edge) bool {
+	for _, m := range messages {
+		if containsMessage(o, m) {
+			return true
+		}
+	}
+	return false
+}
+
+func containsMessage(o *d2graph.Object, m *d2graph.Edge) bool {
+	for _, ref := range m.References {
+		curr := ref.ScopeObj
+		for curr != nil {
+			if curr == o {
+				return true
+			}
+			curr = curr.Parent
+		}
+	}
+	return false
+}
+
+func newSequenceDiagram(objects []*d2graph.Object, messages []*d2graph.Edge) *sequenceDiagram {
+	var actors []*d2graph.Object
+	var groups []*d2graph.Object
+
+	for _, obj := range objects {
+		messageRecipient := false
+		for _, m := range messages {
+			if m.Src == obj || m.Dst == obj {
+				messageRecipient = true
+				break
+			}
+		}
+		hasNote := false
+		for _, ch := range obj.ChildrenArray {
+			// if the child contains a message, it's a span, not a note
+			if !containsAnyMessage(ch, messages) {
+				hasNote = true
+				break
+			}
+		}
+		if messageRecipient || hasNote {
+			actors = append(actors, obj)
+		} else {
+			queue := []*d2graph.Object{obj}
+			// Groups may have more nested groups
+			for len(queue) > 0 {
+				curr := queue[0]
+				groups = append(groups, curr)
+				queue = queue[1:]
+				for _, c := range curr.ChildrenArray {
+					queue = append(queue, c)
+				}
+			}
+		}
 	}
 
-func newSequenceDiagram(actors []*d2graph.Object, messages []*d2graph.Edge) *sequenceDiagram {
 	sd := &sequenceDiagram{
 		messages:        messages,
 		actors:          actors,
+		groups:          groups,
 		spans:           nil,
+		notes:           nil,
 		lifelines:       nil,
 		objectRank:      make(map[*d2graph.Object]int),
 		firstMessage:    make(map[*d2graph.Object]*d2graph.Edge),
 		lastMessage:     make(map[*d2graph.Object]*d2graph.Edge),
-		messageYStep:   MIN_MESSAGE_DISTANCE,
+		yStep:           MIN_MESSAGE_DISTANCE,
 		actorXStep:      MIN_ACTOR_DISTANCE,
 		maxActorHeight:  0.,
+		verticalIndices: make(map[string]int),
 	}
 
 	for rank, actor := range actors {
@@ -63,21 +159,35 @@ func newSequenceDiagram(actors []*d2graph.Object, messages []*d2graph.Edge) *seq
 		queue := make([]*d2graph.Object, len(actor.ChildrenArray))
 		copy(queue, actor.ChildrenArray)
 		for len(queue) > 0 {
-			span := queue[0]
+			child := queue[0]
 			queue = queue[1:]
 
-			// spans are always rectangles and have no labels
+			// spans are children of actors that have edges
-			span.Attributes.Label = d2graph.Scalar{Value: ""}
+			// notes are children of actors with no edges and no children
-			span.Attributes.Shape = d2graph.Scalar{Value: shape.SQUARE_TYPE}
+			// edge groups are children of actors with no edges and children edges
-			sd.spans = append(sd.spans, span)
+			if hasEdge(child) && !containsAnyMessage(child, sd.messages) {
-			sd.objectRank[span] = rank
+				// spans have no labels
+				// TODO why not? Spans should be able to
+				child.Attributes.Label = d2graph.Scalar{Value: ""}
+				child.Attributes.Shape = d2graph.Scalar{Value: shape.SQUARE_TYPE}
+				sd.spans = append(sd.spans, child)
+				sd.objectRank[child] = rank
+			} else {
+				sd.verticalIndices[child.AbsID()] = getObjEarliestLineNum(child)
+				// TODO change to page type when it doesn't look deformed
+				child.Attributes.Shape = d2graph.Scalar{Value: shape.SQUARE_TYPE}
+				sd.notes = append(sd.notes, child)
+				sd.objectRank[child] = rank
+				child.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
+			}
 
-			queue = append(queue, span.ChildrenArray...)
+			queue = append(queue, child.ChildrenArray...)
 		}
 	}
 
 	for _, message := range sd.messages {
-		sd.messageYStep = math.Max(sd.messageYStep, float64(message.LabelDimensions.Height))
+		sd.verticalIndices[message.AbsID()] = getEdgeEarliestLineNum(message)
+		sd.yStep = math.Max(sd.yStep, float64(message.LabelDimensions.Height))
 
 		// ensures that long labels, spanning over multiple actors, don't make for large gaps between actors
 		// by distributing the label length across the actors rank difference
@@ -99,7 +209,7 @@ func newSequenceDiagram(actors []*d2graph.Object, messages []*d2graph.Edge) *seq
 
 	}
 
-	sd.messageYStep += VERTICAL_PAD
+	sd.yStep += VERTICAL_PAD
 	sd.maxActorHeight += VERTICAL_PAD
 	if sd.root.LabelHeight != nil {
 		sd.maxActorHeight += float64(*sd.root.LabelHeight)
@@ -115,10 +225,69 @@ func (sd *sequenceDiagram) layout() error {
 	}
 	sd.placeSpans()
 	sd.adjustRouteEndpoints()
+	sd.placeNotes()
+	sd.routeMessages()
+	sd.placeGroups()
 	sd.addLifelineEdges()
 	return nil
 }
 
+func (sd *sequenceDiagram) placeGroups() {
+	for _, group := range sd.groups {
+		sd.placeGroup(group)
+	}
+}
+
+func (sd *sequenceDiagram) placeGroup(group *d2graph.Object) {
+	minX := math.Inf(1)
+	minY := math.Inf(1)
+	maxX := math.Inf(-1)
+	maxY := math.Inf(-1)
+
+	for _, m := range sd.messages {
+		if containsMessage(group, m) {
+			for _, p := range m.Route {
+				minX = math.Min(minX, p.X)
+				minY = math.Min(minY, p.Y)
+				maxX = math.Max(maxX, p.X)
+				maxY = math.Max(maxY, p.Y)
+			}
+		}
+	}
+	// Groups should horizontally encompass all notes of the actor
+	for _, n := range sd.notes {
+		inGroup := false
+		for _, ref := range n.References {
+			curr := ref.UnresolvedScopeObj
+			for curr != nil {
+				if curr == group {
+					inGroup = true
+					break
+				}
+				curr = curr.Parent
+			}
+			if inGroup {
+				break
+			}
+		}
+		if inGroup {
+			minY = math.Min(minY, n.TopLeft.Y)
+			maxY = math.Max(maxY, n.TopLeft.Y+n.Height)
+			minX = math.Min(minX, n.TopLeft.X)
+			maxX = math.Max(maxX, n.TopLeft.X+n.Width)
+		}
+	}
+
+	group.Box = geo.NewBox(
+		geo.NewPoint(
+			minX-HORIZONTAL_PAD,
+			minY-(MIN_MESSAGE_DISTANCE/2.),
+		),
+		maxX-minX+HORIZONTAL_PAD*2,
+		maxY-minY+MIN_MESSAGE_DISTANCE,
+	)
+}
+
 // placeActors places actors bottom aligned, side by side
 func (sd *sequenceDiagram) placeActors() {
 	x := 0.
@@ -127,7 +296,10 @@ func (sd *sequenceDiagram) placeActors() {
 		var yOffset float64
 		if shape == d2target.ShapeImage || shape == d2target.ShapePerson {
 			actor.LabelPosition = go2.Pointer(string(label.OutsideBottomCenter))
-			yOffset = sd.maxActorHeight - actor.Height - float64(*actor.LabelHeight)
+			yOffset = sd.maxActorHeight - actor.Height
+			if actor.LabelHeight != nil {
+				yOffset -= float64(*actor.LabelHeight)
+			}
 		} else {
 			actor.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
 			yOffset = sd.maxActorHeight - actor.Height
@@ -147,11 +319,19 @@ func (sd *sequenceDiagram) placeActors() {
 //        │
 func (sd *sequenceDiagram) addLifelineEdges() {
 	lastRoute := sd.messages[len(sd.messages)-1].Route
-	endY := lastRoute[len(lastRoute)-1].Y + MIN_MESSAGE_DISTANCE
+	endY := 0.
+	for _, p := range lastRoute {
+		endY = math.Max(endY, p.Y)
+	}
+	for _, note := range sd.notes {
+		endY = math.Max(endY, note.TopLeft.Y+note.Height)
+	}
+	endY += sd.yStep
+
 	for _, actor := range sd.actors {
 		actorBottom := actor.Center()
 		actorBottom.Y = actor.TopLeft.Y + actor.Height
-		if *actor.LabelPosition == string(label.OutsideBottomCenter) {
+		if *actor.LabelPosition == string(label.OutsideBottomCenter) && actor.LabelHeight != nil {
 			actorBottom.Y += float64(*actor.LabelHeight) + LIFELINE_LABEL_PAD
 		}
 		actorLifelineEnd := actor.Center()
@@ -174,6 +354,31 @@ func (sd *sequenceDiagram) addLifelineEdges() {
 	}
 }
 
+func (sd *sequenceDiagram) placeNotes() {
+	rankToX := make(map[int]float64)
+	for _, actor := range sd.actors {
+		rankToX[sd.objectRank[actor]] = actor.Center().X
+	}
+
+	for i, note := range sd.notes {
+		verticalIndex := sd.verticalIndices[note.AbsID()]
+		y := sd.maxActorHeight + sd.yStep
+
+		for _, msg := range sd.messages {
+			if sd.verticalIndices[msg.AbsID()] < verticalIndex {
+				y += sd.yStep
+			}
+		}
+		for _, otherNote := range sd.notes[:i] {
+			y += otherNote.Height + sd.yStep
+		}
+
+		x := rankToX[sd.objectRank[note]] - (note.Width / 2.)
+		note.Box.TopLeft = geo.NewPoint(x, y)
+		note.ZIndex = 1
+	}
+}
+
 // placeSpans places spans over the object lifeline
 // ┌──────────┐
 // │  actor   │
@@ -253,7 +458,7 @@ func (sd *sequenceDiagram) placeSpans() {
 // routeMessages routes horizontal edges (messages) from Src to Dst lifeline (actor/span center)
 // in another step, routes are adjusted to spans borders when necessary
 func (sd *sequenceDiagram) routeMessages() error {
-	startY := sd.maxActorHeight + sd.messageYStep
+	startY := sd.maxActorHeight + sd.yStep
 	for _, message := range sd.messages {
 		message.ZIndex = 2
 		var startX, endX float64
@@ -267,7 +472,6 @@ func (sd *sequenceDiagram) routeMessages() error {
 		} else {
 			return fmt.Errorf("could not find center of %s", message.Dst.AbsID())
 		}
-		isLeftToRight := startX < endX
 		isToDescendant := strings.HasPrefix(message.Dst.AbsID(), message.Src.AbsID())
 		isFromDescendant := strings.HasPrefix(message.Src.AbsID(), message.Dst.AbsID())
 		isSelfMessage := message.Src == message.Dst
@@ -287,17 +491,10 @@ func (sd *sequenceDiagram) routeMessages() error {
 				geo.NewPoint(endX, startY),
 			}
 		}
-		startY += sd.messageYStep
+		startY += sd.yStep
 
 		if message.Attributes.Label.Value != "" {
-			if isSelfMessage || isFromDescendant || isToDescendant {
 			message.LabelPosition = go2.Pointer(string(label.InsideMiddleCenter))
-			} else if isLeftToRight {
-				message.LabelPosition = go2.Pointer(string(label.OutsideTopCenter))
-			} else {
-				// the label will be placed above the message because the orientation is based on the edge normal vector
-				message.LabelPosition = go2.Pointer(string(label.OutsideBottomCenter))
-			}
 		}
 	}
 	return nil

d2lib/c.go

@@ -1,5 +1,3 @@
-//go:build cgo
-
 package d2lib
 
 import "oss.terrastruct.com/d2/d2layouts/d2dagrelayout"

d2plugin/plugin_dagre.go

@@ -1,4 +1,4 @@
-//go:build cgo && !nodagre
+//go:build !nodagre
 
 package d2plugin
 

d2plugin/plugin_elk.go

@@ -1,4 +1,4 @@
-//go:build cgo && !noelk
+//go:build !noelk
 
 package d2plugin
 

d2renderers/d2latex/latex.go

@@ -1,5 +1,3 @@
-//go:build cgo
-
 package d2latex
 
 import (
@@ -9,8 +7,8 @@ import (
 	"regexp"
 	"strconv"
 
+	"github.com/dop251/goja"
 	"oss.terrastruct.com/util-go/xdefer"
-	v8 "rogchap.com/v8go"
 )
 
 var pxPerEx = 8
@@ -30,24 +28,24 @@ var svgRe = regexp.MustCompile(`<svg[^>]+width="([0-9\.]+)ex" height="([0-9\.]+)
 
 func Render(s string) (_ string, err error) {
 	defer xdefer.Errorf(&err, "latex failed to parse")
-	v8ctx := v8.NewContext()
+	vm := goja.New()
 
-	if _, err := v8ctx.RunScript(polyfillsJS, "polyfills.js"); err != nil {
+	if _, err := vm.RunString(polyfillsJS); err != nil {
 		return "", err
 	}
 
-	if _, err := v8ctx.RunScript(mathjaxJS, "mathjax.js"); err != nil {
+	if _, err := vm.RunString(mathjaxJS); err != nil {
 		return "", err
 	}
 
-	if _, err := v8ctx.RunScript(setupJS, "setup.js"); err != nil {
+	if _, err := vm.RunString(setupJS); err != nil {
 		return "", err
 	}
 
-	val, err := v8ctx.RunScript(fmt.Sprintf(`adaptor.innerHTML(html.convert(`+"`"+"%s`"+`, {
+	val, err := vm.RunString(fmt.Sprintf(`adaptor.innerHTML(html.convert(`+"`"+"%s`"+`, {
   em: %d,
   ex: %d,
-}))`, s, pxPerEx*2, pxPerEx), "value.js")
+}))`, s, pxPerEx*2, pxPerEx))
 	if err != nil {
 		return "", err
 	}

d2renderers/d2latex/latex_stub.go

@@ -1,13 +0,0 @@
-//go:build !cgo
-
-package d2latex
-
-import "errors"
-
-func Render(s string) (string, error) {
-	return "", errors.New("not found in build")
-}
-
-func Measure(s string) (width, height int, _ error) {
-	return 0, 0, errors.New("not found in build")
-}

d2renderers/d2svg/d2svg.go

@@ -337,26 +337,15 @@ func pathData(connection d2target.Connection, idToShape map[string]d2target.Shap
 	return strings.Join(path, " ")
 }
 
-func labelMask(id string, connection d2target.Connection, labelTL, tl, br *geo.Point) string {
+func makeLabelMask(connection d2target.Connection, labelTL, tl, br *geo.Point) string {
-	width := br.X - tl.X
+	return fmt.Sprintf(`<rect x="%f" y="%f" width="%d" height="%d" fill="black"></rect>`,
-	height := br.Y - tl.Y
-	return strings.Join([]string{
-		fmt.Sprintf(`<mask id="%s" maskUnits="userSpaceOnUse" x="%f" y="%f" width="%f" height="%f">`,
-			id, tl.X, tl.Y, width, height,
-		),
-		fmt.Sprintf(`<rect x="%f" y="%f" width="%f" height="%f" fill="white"></rect>`,
-			tl.X, tl.Y, width, height,
-		),
-		fmt.Sprintf(`<rect x="%f" y="%f" width="%d" height="%d" fill="black"></rect>`,
 		labelTL.X, labelTL.Y,
 		connection.LabelWidth,
 		connection.LabelHeight,
-		),
+	)
-		`</mask>`,
-	}, "\n")
 }
 
-func drawConnection(writer io.Writer, connection d2target.Connection, markers map[string]struct{}, idToShape map[string]d2target.Shape) {
+func drawConnection(writer io.Writer, connection d2target.Connection, markers map[string]struct{}, idToShape map[string]d2target.Shape) (labelMask string) {
 	fmt.Fprintf(writer, `<g id="%s">`, escapeText(connection.ID))
 	var markerStart string
 	if connection.SrcArrow != d2target.NoArrowhead {
@@ -387,7 +376,6 @@ func drawConnection(writer io.Writer, connection d2target.Connection, markers ma
 	}
 
 	var labelTL *geo.Point
-	var mask string
 	if connection.Label != "" {
 		labelTL = connection.GetLabelTopLeft()
 		labelTL.X = math.Round(labelTL.X)
@@ -420,18 +408,15 @@ func drawConnection(writer io.Writer, connection d2target.Connection, markers ma
 			br.X = math.Max(br.X, labelTL.X+float64(connection.LabelWidth))
 			br.Y = math.Max(br.Y, labelTL.Y+float64(connection.LabelHeight))
 
-			maskID := fmt.Sprintf("mask-%s", hash(connection.ID))
+			labelMask = makeLabelMask(connection, labelTL, tl, br)
-			fmt.Fprint(writer, labelMask(maskID, connection, labelTL, tl, br))
-			mask = fmt.Sprintf(`mask="url(#%s)" `, maskID)
 		}
 	}
 
-	fmt.Fprintf(writer, `<path d="%s" class="connection" style="fill:none;%s" %s%s%s/>`,
+	fmt.Fprintf(writer, `<path d="%s" class="connection" style="fill:none;%s" %s%smask="url(#labels)"/>`,
 		pathData(connection, idToShape),
 		connectionStyle(connection),
 		markerStart,
 		markerEnd,
-		mask,
 	)
 
 	if connection.Label != "" {
@@ -476,6 +461,7 @@ func drawConnection(writer io.Writer, connection d2target.Connection, markers ma
 		fmt.Fprint(writer, renderArrowheadLabel(connection, connection.DstLabel, position, size, size))
 	}
 	fmt.Fprintf(writer, `</g>`)
+	return
 }
 
 func renderArrowheadLabel(connection d2target.Connection, text string, position, width, height float64) string {
@@ -955,7 +941,7 @@ func embedFonts(buf *bytes.Buffer) {
 // TODO minify output at end
 func Render(diagram *d2target.Diagram) ([]byte, error) {
 	buf := &bytes.Buffer{}
-	_, _ = setViewbox(buf, diagram)
+	w, h := setViewbox(buf, diagram)
 
 	buf.WriteString(fmt.Sprintf(`<style type="text/css">
 <![CDATA[
@@ -996,10 +982,14 @@ func Render(diagram *d2target.Diagram) ([]byte, error) {
 
 	sortObjects(allObjects)
 
+	var labelMasks []string
 	markers := map[string]struct{}{}
 	for _, obj := range allObjects {
 		if c, is := obj.(d2target.Connection); is {
-			drawConnection(buf, c, markers, idToShape)
+			labelMask := drawConnection(buf, c, markers, idToShape)
+			if labelMask != "" {
+				labelMasks = append(labelMasks, labelMask)
+			}
 		} else if s, is := obj.(d2target.Shape); is {
 			err := drawShape(buf, s)
 			if err != nil {
@@ -1010,6 +1000,20 @@ func Render(diagram *d2target.Diagram) ([]byte, error) {
 		}
 	}
 
+	if len(labelMasks) > 0 {
+		fmt.Fprint(buf, strings.Join([]string{
+			fmt.Sprintf(`<mask id="labels" maskUnits="userSpaceOnUse" x="0" y="0" width="%d" height="%d">`,
+				w, h,
+			),
+			fmt.Sprintf(`<rect x="0" y="0" width="%d" height="%d" fill="white"></rect>`,
+				w,
+				h,
+			),
+			strings.Join(labelMasks, "\n"),
+			`</mask>`,
+		}, "\n"))
+	}
+
 	embedFonts(buf)
 
 	buf.WriteString(`</svg>`)

e2etests/e2e_test.go

@@ -97,7 +97,6 @@ func run(t *testing.T, tc testCase) {
 	layoutsTested := []string{"dagre", "elk"}
 
 	for _, layoutName := range layoutsTested {
-
 		var layout func(context.Context, *d2graph.Graph) error
 		if layoutName == "dagre" {
 			layout = d2dagrelayout.Layout
@@ -105,7 +104,6 @@ func run(t *testing.T, tc testCase) {
 			layout = d2elklayout.Layout
 		}
 		diagram, _, err := d2lib.Compile(ctx, tc.script, &d2lib.CompileOptions{
-			UTF16:   true,
 			Ruler:   ruler,
 			ThemeID: 0,
 			Layout:  layout,

e2etests/stable_test.go

@@ -1336,6 +1336,79 @@ b.1.2 -> b: to parent
 b -> a.1.2: actor
 a.1 -> b.3`,
 		},
+		{
+			name: "icon-label",
+			script: `ww: {
+  label: hello
+  icon: https://icons.terrastruct.com/essentials/time.svg
+}
+`,
+		},
+		{
+			name: "sequence_diagram_note",
+			script: `shape: sequence_diagram
+a; b; c; d
+a -> b
+a.explanation
+a.another explanation
+b -> c
+b."Some one who believes imaginary things\n appear right before your i's."
+c -> b: okay
+d."The earth is like a tiny grain of sand, only much, much heavier"
+`,
+		},
+		{
+			name: "sequence_diagram_groups",
+			script: `shape: sequence_diagram
+a;b;c;d
+a -> b
+ggg: {
+	_.a -> _.b: lala
+}
+group 1: {
+  _.b -> _.c
+	_.c -> _.b: ey
+  nested guy: {
+    _._.c -> _._.b: okay
+  }
+  _.b.t1 -> _.c.t1
+  _.b.t1.t2 -> _.c.t1
+  _.c.t1 -> _.b.t1
+}
+group b: {
+  _.b -> _.c
+	_.c."what would arnold say"
+  _.c -> _.b: okay
+}
+choo: {
+  _.d."this note"
+}
+`,
+		},
+		{
+			name: "sequence_diagram_real",
+			script: `How this is rendered: {
+  shape: sequence_diagram
+
+	CLI; d2ast; d2compiler; d2layout; d2exporter; d2themes; d2renderer
+
+  CLI -> d2ast: "'How this is rendered: {...}'"
+  d2ast -> CLI: tokenized AST
+  CLI -> d2compiler: compile AST
+  d2compiler."measurements also take place"
+  d2compiler -> CLI: objects and edges
+  CLI -> d2layout.layout: run layout engines
+  d2layout.layout -> d2sequencelayout: run engine on shape: sequence_diagram, temporarily remove
+  d2layout.layout -> d2dagrelayout: run core engine on rest
+  d2layout.layout <- d2sequencelayout: add back in sequence diagrams
+  d2layout -> CLI: diagram with correct positions and dimensions
+  CLI -> d2exporter: export diagram with chosen theme and renderer
+  d2exporter.export -> d2themes: get theme styles
+  d2exporter.export -> d2renderer: render to SVG
+  d2exporter.export -> CLI: resulting SVG
+}
+`,
+		},
 	}
 
 	runa(t, tcs)

e2etests/testdata/sanity/1_to_2/dagre/sketch.exp.svg

@@ -14,7 +14,7 @@ width="486" height="552" viewBox="-100 -100 486 552"><style type="text/css">
 }
 
 ]]>
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+</style><g id="a"><g class="shape" ><rect x="87" y="0" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="143.500000" y="66.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="0" y="226" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="56.500000" y="292.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="c"><g class="shape" ><rect x="173" y="226" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="229.500000" y="292.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">c</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 93.558654 127.588117 C 64.154867 166.000000 56.500000 186.000000 56.500000 222.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><g id="(a -&gt; c)[0]"><path d="M 192.441346 127.588117 C 221.845133 166.000000 229.500000 186.000000 229.500000 222.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><style type="text/css"><![CDATA[
 .text-bold {
 	font-family: "font-bold";
 }

e2etests/testdata/sanity/1_to_2/elk/sketch.exp.svg

@@ -14,7 +14,7 @@ width="446" height="552" viewBox="-88 -88 446 552"><style type="text/css">
 }
 
 ]]>
-</style><g id="a"><g class="shape" ><rect x="31" y="12" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="87.500000" y="78.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="12" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="c"><g class="shape" ><rect x="145" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="201.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">c</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 68.500000 140.000000 L 68.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><g id="(a -&gt; c)[0]"><path d="M 106.166667 140.000000 L 106.166667 178.000000 S 106.166667 188.000000 116.166667 188.000000 L 191.500000 188.000000 S 201.500000 188.000000 201.500000 198.000000 L 201.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
+</style><g id="a"><g class="shape" ><rect x="31" y="12" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="87.500000" y="78.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="12" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="c"><g class="shape" ><rect x="145" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="201.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">c</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 68.500000 140.000000 L 68.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><g id="(a -&gt; c)[0]"><path d="M 106.166667 140.000000 L 106.166667 178.000000 S 106.166667 188.000000 116.166667 188.000000 L 191.500000 188.000000 S 201.500000 188.000000 201.500000 198.000000 L 201.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><style type="text/css"><![CDATA[
 .text-bold {
 	font-family: "font-bold";
 }

e2etests/testdata/sanity/basic/dagre/sketch.exp.svg

@@ -14,7 +14,7 @@ width="313" height="552" viewBox="-100 -100 313 552"><style type="text/css">
 }
 
 ]]>
-</style><g id="a"><g class="shape" ><rect x="0" y="0" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="56.500000" y="66.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="0" y="226" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="56.500000" y="292.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 56.500000 128.000000 C 56.500000 166.000000 56.500000 186.000000 56.500000 222.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
+</style><g id="a"><g class="shape" ><rect x="0" y="0" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="56.500000" y="66.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="0" y="226" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="56.500000" y="292.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 56.500000 128.000000 C 56.500000 166.000000 56.500000 186.000000 56.500000 222.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><style type="text/css"><![CDATA[
 .text-bold {
 	font-family: "font-bold";
 }

e2etests/testdata/sanity/basic/elk/sketch.exp.svg

@@ -14,7 +14,7 @@ width="313" height="552" viewBox="-88 -88 313 552"><style type="text/css">
 }
 
 ]]>
-</style><g id="a"><g class="shape" ><rect x="12" y="12" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="78.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="12" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 68.500000 140.000000 L 68.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
+</style><g id="a"><g class="shape" ><rect x="12" y="12" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="78.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">a</text></g><g id="b"><g class="shape" ><rect x="12" y="238" width="113" height="126" style="fill:#F7F8FE;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="68.500000" y="304.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="(a -&gt; b)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 68.500000 140.000000 L 68.500000 234.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" mask="url(#labels)"/></g><style type="text/css"><![CDATA[
 .text-bold {
 	font-family: "font-bold";
 }

e2etests/testdata/sanity/child_to_child/dagre/sketch.exp.svg

@@ -14,7 +14,7 @@ width="414" height="752" viewBox="-100 -100 414 752"><style type="text/css">
 }
 
 ]]>
-</style><g id="a"><g class="shape" ><rect x="1" y="0" width="213" height="226" style="fill:#E3E9FD;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="107.500000" y="33.000000" style="text-anchor:middle;font-size:28px;fill:#0A0F25">a</text></g><g id="c"><g class="shape" ><rect x="0" y="326" width="214" height="226" style="fill:#E3E9FD;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="107.000000" y="359.000000" style="text-anchor:middle;font-size:28px;fill:#0A0F25">c</text></g><g id="a.b"><g class="shape" ><rect x="51" y="50" width="113" height="126" style="fill:#EDF0FD;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="107.500000" y="116.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">b</text></g><g id="c.d"><g class="shape" ><rect x="50" y="376" width="114" height="126" style="fill:#EDF0FD;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" /></g><text class="text-bold" x="107.000000" y="442.000000" style="text-anchor:middle;font-size:16px;fill:#0A0F25">d</text></g><g id="(a.b -&gt; c.d)[0]"><marker id="mk-3990223579" markerWidth="10.000000" markerHeight="12.000000" refX="7.000000" refY="6.000000" viewBox="0.000000 0.000000 10.000000 12.000000" orient="auto" markerUnits="userSpaceOnUse"> <polygon class="connection" fill="#0D32B2" stroke-width="2" points="0.000000,0.000000 10.000000,6.000000 0.000000,12.000000" /> </marker><path d="M 107.000000 178.000000 C 107.000000 216.000000 107.000000 236.000000 107.000000 251.000000 C 107.000000 266.000000 107.000000 336.000000 107.000000 372.000000" class="connection" style="fill:none;stroke:#0D32B2;opacity:1.000000;stroke-width:2;" marker-end="url(#mk-3990223579)" /></g><style type="text/css"><![CDATA[
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 .text-bold {
 	font-family: "font-bold";
 }

e2etests/testdata/sanity/child_to_child/elk/sketch.exp.svg

@@ -14,7 +14,7 @@ width="464" height="862" viewBox="-88 -88 464 862"><style type="text/css">
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e2etests/testdata/sanity/connection_label/dagre/sketch.exp.svg

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e2etests/testdata/sanity/connection_label/elk/sketch.exp.svg

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e2etests/testdata/stable/arrowhead_labels/dagre/sketch.exp.svg

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e2etests/testdata/stable/arrowhead_labels/elk/sketch.exp.svg

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e2etests/testdata/stable/chaos1/dagre/sketch.exp.svg

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e2etests/testdata/stable/chaos1/elk/sketch.exp.svg

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e2etests/testdata/stable/child_parent_edges/dagre/sketch.exp.svg

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e2etests/testdata/stable/child_parent_edges/elk/sketch.exp.svg

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e2etests/testdata/stable/connected_container/dagre/sketch.exp.svg

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e2etests/testdata/stable/connected_container/elk/sketch.exp.svg

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e2etests/testdata/stable/container_edges/dagre/sketch.exp.svg

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e2etests/testdata/stable/container_edges/elk/sketch.exp.svg

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e2etests/testdata/stable/font_colors/dagre/sketch.exp.svg

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e2etests/testdata/stable/font_colors/elk/sketch.exp.svg

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e2etests/testdata/stable/font_sizes/elk/sketch.exp.svg

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e2etests/testdata/stable/giant_markdown_test/dagre/sketch.exp.svg

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e2etests/testdata/stable/giant_markdown_test/elk/sketch.exp.svg

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e2etests/testdata/stable/hr/dagre/sketch.exp.svg

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e2etests/testdata/stable/hr/elk/sketch.exp.svg

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 .text {
 	font-family: "font-regular";
 }

e2etests/testdata/stable/icon-label/dagre/board.exp.json

@@ -0,0 +1,56 @@
+{
+  "name": "",
+  "shapes": [
+    {
+      "id": "ww",
+      "type": "",
+      "pos": {
+        "x": 0,
+        "y": 0
+      },
+      "width": 140,
+      "height": 126,
+      "opacity": 1,
+      "strokeDash": 0,
+      "strokeWidth": 2,
+      "borderRadius": 0,
+      "fill": "#F7F8FE",
+      "stroke": "#0D32B2",
+      "shadow": false,
+      "3d": false,
+      "multiple": false,
+      "tooltip": "",
+      "link": "",
+      "icon": {
+        "Scheme": "https",
+        "Opaque": "",
+        "User": null,
+        "Host": "icons.terrastruct.com",
+        "Path": "/essentials/time.svg",
+        "RawPath": "",
+        "ForceQuery": false,
+        "RawQuery": "",
+        "Fragment": "",
+        "RawFragment": ""
+      },
+      "iconPosition": "INSIDE_MIDDLE_CENTER",
+      "fields": null,
+      "methods": null,
+      "columns": null,
+      "label": "hello",
+      "fontSize": 16,
+      "fontFamily": "DEFAULT",
+      "language": "",
+      "color": "#0A0F25",
+      "italic": false,
+      "bold": true,
+      "underline": false,
+      "labelWidth": 40,
+      "labelHeight": 26,
+      "labelPosition": "OUTSIDE_TOP_CENTER",
+      "zIndex": 0,
+      "level": 1
+    }
+  ],
+  "connections": []
+}

e2etests/testdata/stable/icon-label/elk/board.exp.json

@@ -0,0 +1,56 @@
+{
+  "name": "",
+  "shapes": [
+    {
+      "id": "ww",
+      "type": "",
+      "pos": {
+        "x": 12,
+        "y": 12
+      },
+      "width": 140,
+      "height": 126,
+      "opacity": 1,
+      "strokeDash": 0,
+      "strokeWidth": 2,
+      "borderRadius": 0,
+      "fill": "#F7F8FE",
+      "stroke": "#0D32B2",
+      "shadow": false,
+      "3d": false,
+      "multiple": false,
+      "tooltip": "",
+      "link": "",
+      "icon": {
+        "Scheme": "https",
+        "Opaque": "",
+        "User": null,
+        "Host": "icons.terrastruct.com",
+        "Path": "/essentials/time.svg",
+        "RawPath": "",
+        "ForceQuery": false,
+        "RawQuery": "",
+        "Fragment": "",
+        "RawFragment": ""
+      },
+      "iconPosition": "INSIDE_MIDDLE_CENTER",
+      "fields": null,
+      "methods": null,
+      "columns": null,
+      "label": "hello",
+      "fontSize": 16,
+      "fontFamily": "DEFAULT",
+      "language": "",
+      "color": "#0A0F25",
+      "italic": false,
+      "bold": true,
+      "underline": false,
+      "labelWidth": 40,
+      "labelHeight": 26,
+      "labelPosition": "OUTSIDE_TOP_CENTER",
+      "zIndex": 0,
+      "level": 1
+    }
+  ],
+  "connections": []
+}

e2etests/testdata/stable/images/dagre/sketch.exp.svg

@@ -14,7 +14,7 @@ width="328" height="587" viewBox="-100 -131 328 587"><style type="text/css">
 }
 
 ]]>
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 	font-family: "font-bold";
 }

e2etests/testdata/stable/images/elk/sketch.exp.svg

@@ -14,7 +14,7 @@ width="328" height="587" viewBox="-88 -119 328 587"><style type="text/css">
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 	font-family: "font-bold";
 }

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

@@ -476,7 +476,7 @@
       "underline": false,
       "labelWidth": 31,
       "labelHeight": 26,
-      "labelPosition": "INSIDE_MIDDLE_CENTER",
+      "labelPosition": "OUTSIDE_TOP_CENTER",
       "zIndex": 0,
       "level": 1
     },
@@ -565,7 +565,7 @@
       "underline": false,
       "labelWidth": 20,
       "labelHeight": 26,
-      "labelPosition": "INSIDE_MIDDLE_CENTER",
+      "labelPosition": "OUTSIDE_TOP_CENTER",
       "zIndex": 0,
       "level": 2
     },

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

@@ -476,7 +476,7 @@
       "underline": false,
       "labelWidth": 31,
       "labelHeight": 26,
-      "labelPosition": "INSIDE_MIDDLE_CENTER",
+      "labelPosition": "OUTSIDE_TOP_CENTER",
       "zIndex": 0,
       "level": 1
     },
@@ -565,7 +565,7 @@
       "underline": false,
       "labelWidth": 20,
       "labelHeight": 26,
-      "labelPosition": "INSIDE_MIDDLE_CENTER",
+      "labelPosition": "OUTSIDE_TOP_CENTER",
       "zIndex": 0,
       "level": 2
     },

e2etests/testdata/stable/li1/dagre/sketch.exp.svg

@@ -782,7 +782,7 @@ width="579" height="752" viewBox="-100 -100 579 752"><style type="text/css">
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 </li>
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 	font-family: "font-regular";
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e2etests/testdata/stable/li1/elk/sketch.exp.svg

@@ -782,7 +782,7 @@ width="579" height="752" viewBox="-88 -88 579 752"><style type="text/css">
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 </li>
 </ul>
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 	font-family: "font-regular";
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e2etests/testdata/stable/li2/dagre/sketch.exp.svg

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e2etests/testdata/stable/li2/elk/sketch.exp.svg

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e2etests/testdata/stable/li3/dagre/sketch.exp.svg

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e2etests/testdata/stable/li3/elk/sketch.exp.svg

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e2etests/testdata/stable/li4/dagre/sketch.exp.svg

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e2etests/testdata/stable/li4/elk/sketch.exp.svg

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e2etests/testdata/stable/lone_h1/dagre/sketch.exp.svg

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e2etests/testdata/stable/lone_h1/elk/sketch.exp.svg

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e2etests/testdata/stable/markdown/dagre/sketch.exp.svg

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e2etests/testdata/stable/markdown/elk/sketch.exp.svg

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e2etests/testdata/stable/md_code_block_fenced/dagre/sketch.exp.svg

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e2etests/testdata/stable/md_code_block_fenced/elk/sketch.exp.svg

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e2etests/testdata/stable/md_code_block_indented/dagre/sketch.exp.svg

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e2etests/testdata/stable/md_code_block_indented/elk/sketch.exp.svg

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