about to change directions

Author: grantnelson-wf

playground/go.mod

@@ -4,20 +4,16 @@ go 1.19
 
 require (
 	github.com/gopherjs/gopherjs v1.19.0-beta2.0.20251008200541-113c92b42b18
-	github.com/stretchr/testify v1.11.1
 	golang.org/x/tools v0.16.0
 	honnef.co/go/js/dom v0.0.0-20210725211120-f030747120f2
 	honnef.co/go/js/xhr v0.0.0-20150307031022-00e3346113ae
 )
 
 require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/evanw/esbuild v0.25.4 // indirect
 	github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
-	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/stretchr/testify v1.11.1 // indirect
 	golang.org/x/sys v0.10.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	honnef.co/go/js/util v0.0.0-20150216223935-96b8dd9d1621 // indirect
 )

playground/go.sum

@@ -8,9 +8,15 @@ type OutputBox interface {
 	Clear()
 
 	// AddError adds an error message to the output.
+	//
+	// All text including new lines will be escaped for HTML.
 	AddError(err error)
 
 	// AddOutput adds output text to the output.
 	// This will also scroll the output box to the bottom.
+	//
+	// If a form feed ("\0c") is encountered in the output,
+	// the output box is cleared before adding the remaining output.
+	// All text including new lines will be escaped for HTML.
 	AddOutput(out string)
 }

playground/internal/common/commontest/banner.go

@@ -24,8 +24,6 @@ type banner struct {
 	location *dom.Location
 }
 
-var _ Component = (*banner)(nil)
-
 func NewBanner() common.Banner {
 	return &banner{
 		// We might be inside an iframe, but want to use the location of topmost window.
@@ -83,7 +81,7 @@ func (b *banner) SetVersion(version string) {
 	b.version.Set(version)
 }
 
-func (b *banner) Render(props Props) *Element {
+func (b *banner) Render(props any) *Element {
 	b.importChecked = UseState(true)
 	b.shareUrl = UseState(``)
 	b.shareUrlVisible = UseState(false)
@@ -96,9 +94,9 @@ func (b *banner) Render(props Props) *Element {
 		}
 	}, []any{b.shareUrlVisible, b.shareUrlRef})
 
-	return Div(props.Add(Props{
+	return Div(Props{
 		`id`: `banner`,
-	}), Span(Props{
+	}, Span(Props{
 		`id`: `head`,
 	}, `playground `,
 		CreateElement(`small`, nil, `GopherJS (`, b.version.Get(), `)`),