Print artifact size analysis in the text form if -v option is passed.

Author: nevkontakte

build/analysis/tree.go

@@ -218,7 +218,7 @@ func (n *treeMapNode) Describe() string {
 // String representation of the node and its effective children.
 func (n *treeMapNode) String() string {
 	s := &strings.Builder{}
-	fmt.Fprintf(s, " %s %s\n", strings.Repeat(" *", n.depth), n.Describe())
+	fmt.Fprintf(s, " %s %s\n", strings.Repeat(" |", n.depth), n.Describe())
 	for _, c := range n.effectiveChildren {
 		s.WriteString(c.String())
 	}

build/analysis/tree_test.go

@@ -21,9 +21,9 @@ func TestTreeNodeOrganize(t *testing.T) {
 	// shorter path to the tree root.
 	want := "" +
 		"  main — 1.0 MiB own size, 1.1 MiB with children\n" +
-		"  * fmt — 50 KiB own size, 51 KiB with children\n" +
-		"  * * strconv — 1.0 KiB own size, 1.0 KiB with children\n" +
-		"  * io — 10 KiB own size, 10 KiB with children\n"
+		"  | fmt — 50 KiB own size, 51 KiB with children\n" +
+		"  | | strconv — 1.0 KiB own size, 1.0 KiB with children\n" +
+		"  | io — 10 KiB own size, 10 KiB with children\n"
 	got := main.String()
 	if diff := cmp.Diff(want, got); diff != "" {
 		t.Errorf("main.organizeTree() produced unexpected structure (-want,+got):\n%s", diff)

build/analysis/visualize.go

@@ -10,9 +10,10 @@ import (
 // Visualizer renders a TreeMap diagram representing the generated JS file and
 // how different packages contributed it its size.
 type Visualizer struct {
-	File *os.File
-	Main *compiler.Archive
-	Deps []*compiler.Archive
+	File       *os.File
+	Main       *compiler.Archive
+	Deps       []*compiler.Archive
+	PrintStats bool
 }
 
 // Render a Tree Map diagram for the given package sizes.
@@ -32,6 +33,10 @@ func (v *Visualizer) Render(stats map[string]int) error {
 		return err
 	}
 	fmt.Fprintf(v.File, "</svg>\n")
+
+	if v.PrintStats {
+		fmt.Println(tree)
+	}
 	return nil
 }
 

build/build.go

@@ -966,9 +966,10 @@ func (s *Session) WriteCommandPackage(archive *compiler.Archive, pkgObj string)
 		}
 		defer f.Close()
 		visualizer := &analysis.Visualizer{
-			Main: archive,
-			Deps: deps,
-			File: f,
+			Main:       archive,
+			Deps:       deps,
+			File:       f,
+			PrintStats: s.options.Verbose && !s.options.Quiet,
 		}
 		defer func() {
 			if err := visualizer.Render(sourceMapFilter.BytesWritten); err != nil {

go.mod

@@ -5,6 +5,7 @@ go 1.13
 require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/fsnotify/fsnotify v1.4.7
+	github.com/google/go-cmp v0.5.4
 	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00
 	github.com/kisielk/gotool v1.0.0
 	github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86

go.sum

@@ -15,6 +15,8 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
 github.com/go-delve/delve v1.3.2 h1:K8VjV+Q2YnBYlPq0ctjrvc9h7h03wXszlszzfGW5Tog=
 github.com/go-delve/delve v1.3.2/go.mod h1:LLw6qJfIsRK9WcwV2IRRqsdlgrqzOeuGrQOCOIhDpt8=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/gopherjs/gopherjs v0.0.0-20191106031601-ce3c9ade29de h1:F7WD09S8QB4LrkEpka0dFPLSotH11HRpCsLIbIcJ7sU=
 github.com/gopherjs/gopherjs v0.0.0-20191106031601-ce3c9ade29de/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 h1:l5lAOZEym3oK3SQ2HBHWsJUfbNBiTXJDeW2QDxw9AQ0=
@@ -121,6 +123,8 @@ golang.org/x/tools v0.0.0-20200131143746-097c1f2eed26/go.mod h1:TB2adYChydJhpapK
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=