package www

import (
	"io/fs"
	"testing/fstest"
)

// FS presents a tree Pages returned as a file system, so site.Build
// can take it where it takes a directory. Every entry is a regular
// file with mode 0644, the mode cmd/fiesta writes files with, and
// the directories between are implied by the paths.
func FS(m map[string][]byte) fs.FS {
	out := make(fstest.MapFS, len(m))
	for name, data := range m {
		out[name] = &fstest.MapFile{Data: data, Mode: 0o644}
	}
	return out
}