gotools/cmd/present/play.go

var scripts …

// playScript registers an HTTP handler at /play.js that serves all the
// scripts specified by the variable above, and appends a line that
// initializes the playground with the specified transport.
func playScript(fsys fs.FS, transport string) { … }

func initPlayground(fsys fs.FS, origin *url.URL) { … }

func playable(c present.Code) bool { … }