mirror of https://github.com/muety/wakapi.git
46 lines
710 B
Go
46 lines
710 B
Go
package fs
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import (
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"io/fs"
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"net/http"
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"strings"
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)
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type ExistsFS struct {
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Fs fs.FS
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}
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func (efs ExistsFS) Exists(name string) bool {
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_, err := fs.Stat(efs.Fs, name)
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return err == nil
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}
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func (efs ExistsFS) Open(name string) (fs.File, error) {
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return efs.Fs.Open(name)
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}
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// ---
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type ExistsHttpFS struct {
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Fs ExistsFS
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httpFs http.FileSystem
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}
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func NewExistsHttpFs(fs ExistsFS) ExistsHttpFS {
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return ExistsHttpFS{
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Fs: fs,
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httpFs: http.FS(fs),
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}
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}
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func (ehfs ExistsHttpFS) Exists(name string) bool {
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if strings.HasPrefix(name, "/") {
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name = name[1:]
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}
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return ehfs.Fs.Exists(name)
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}
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func (ehfs ExistsHttpFS) Open(name string) (http.File, error) {
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return ehfs.httpFs.Open(name)
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}
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