Reworking the playground for go1.20

Author: grantnelson-wf

.gitignore

@@ -1 +1,2 @@
 /playground/playground.js.map
+.DS_Store

go.work

@@ -1,4 +1,4 @@
-go 1.19
+go 1.20
 
 use (
 	./playground

go.work.sum

@@ -57,7 +57,6 @@ github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
@@ -116,7 +115,6 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -212,14 +210,14 @@ github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An
 github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
 github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.8.1/go.mod h1:o0Pch8wJ9BVSWGQMbra6iw0oQ5oktSIBaujf1rJH9Ns=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
+github.com/visualfc/goembed v0.3.3 h1:pOL02L715tHKsLQVMcZz06tTzRDAHkJKJLRnCA22G9Q=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
@@ -259,6 +257,7 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
+golang.org/x/exp/typeparams v0.0.0-20240119083558-1b970713d09a h1:8qmSSA8Gz/1kTrCe0nqR0R3Gb/NDhykzWw2q2mWZydM=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -596,8 +595,9 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/js/dom/v2 v2.0.0-20250304181735-b5e52f05e89d/go.mod h1:+JtEcbinwR4znM12aluJ3WjKgvhDPKPQ8hnP4YM+4jI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

playground/go.mod

@@ -1,17 +1,18 @@
 module github.com/gopherjs/gopherjs.github.io/playground
 
-go 1.19
+go 1.20
 
 require (
 	github.com/google/go-cmp v0.5.8
-	github.com/gopherjs/gopherjs v1.19.0-beta2.0.20251008200541-113c92b42b18
+	github.com/gopherjs/gopherjs v1.19.0-beta2.0.20260112215734-09f0b7ce5c99
 	golang.org/x/tools v0.16.0
 	honnef.co/go/js/xhr v0.0.0-20150307031022-00e3346113ae
 )
 
 require (
 	github.com/evanw/esbuild v0.25.4 // indirect
 	github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86 // indirect
+	github.com/neelance/sourcemap v0.0.0-20200213170602-2833bce08e4c // indirect
 	github.com/sirupsen/logrus v1.8.3 // indirect
 	github.com/stretchr/testify v1.11.1 // indirect
 	golang.org/x/sys v0.10.0 // indirect

playground/go.sum

@@ -1,10 +1,10 @@
 module github.com/grantnelson-wf/gopherjs.github.io/playground/internal/cmd/precompile
 
-go 1.19
+go 1.20
 
 require (
-	github.com/gopherjs/gopherjs v1.19.0-beta2.0.20251008200541-113c92b42b18
-	github.com/sirupsen/logrus v1.8.1
+	github.com/gopherjs/gopherjs v1.19.0-beta2.0.20260112215734-09f0b7ce5c99
+	github.com/sirupsen/logrus v1.8.3
 )
 
 require (
@@ -17,5 +17,3 @@ require (
 	golang.org/x/sys v0.10.0 // indirect
 	golang.org/x/tools v0.16.0 // indirect
 )
-
-replace github.com/gopherjs/gopherjs => /Users/grantnelson/go/src/github.com/Workiva/gopherjs // TODO(grantnelson-wf): REMOVE

playground/internal/.DS_Store

@@ -32,9 +32,7 @@ type logLevelFlag struct{ log.Level }
 
 func (l *logLevelFlag) Set(raw string) error { return l.UnmarshalText([]byte(raw)) }
 
-var (
-	logLevel logLevelFlag = logLevelFlag{Level: log.ErrorLevel}
-)
+var logLevel logLevelFlag = logLevelFlag{Level: log.ErrorLevel}
 
 func init() {
 	flag.Var(&logLevel, "log_level", "Default logging level.")
@@ -63,14 +61,9 @@ func run() error {
 			return fmt.Errorf("failed to get build package for %s: %w", path, err)
 		}
 
-		var srcs *sources.Sources
-		if srcs, err = s.LoadPackages(pkg); err != nil {
+		if _, err = s.LoadPackages(pkg); err != nil {
 			return fmt.Errorf("failed to prepackaged package %q: %w", pkg, err)
 		}
-
-		if _, err := s.PrepareAndCompilePackages(srcs); err != nil {
-			return fmt.Errorf("failed to compile package %q: %w", pkg, err)
-		}
 	}
 
 	target, err := targetDir(s)

playground/internal/cmd/precompile/go.mod

@@ -0,0 +1,22 @@
+package common
+
+// CodeBoxWrapper represents a code box that allows getting and setting
+// the code and selection, as well as emitting events.
+//
+// This interface allows the code box implementation to be replaced
+// with a mock implementation for testing.
+type CodeBoxWrapper interface {
+	Code() string
+	GetSelection() Selection
+	SetCode(sel Selection, code string)
+	EmitEvent(event Event)
+}
+
+type Event string
+
+const (
+	EscapeEvent Event = `escape`
+	SaveEvent   Event = `save`
+	UndoEvent   Event = `undo`
+	RedoEvent   Event = `redo`
+)