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frp/assets/assets.go

49 lines
1.2 KiB

// Copyright 2016 fatedier, fatedier@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package assets
import (
"io/fs"
"net/http"
)
var (
// read-only filesystem created by "embed" for embedded files
content fs.FS
FileSystem http.FileSystem
// if prefix is not empty, we get file content from disk
prefixPath string
)
// if path is empty, load assets in memory
// or set FileSystem using disk files
func Load(path string) {
prefixPath = path
if prefixPath != "" {
FileSystem = http.Dir(prefixPath)
} else {
FileSystem = http.FS(content)
}
}
func Register(fileSystem fs.FS) {
subFs, err := fs.Sub(fileSystem, "static")
if err == nil {
content = subFs
}
}