golang lp_js 代码
文件路径：/src/os/exec/lp_js.go
/ Copyright 2018 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/go:build js && wasm
package exec
import (
"errors"
)
/ ErrNotFound is the error resulting if a path search failed to find an executable file.
var ErrNotFound = errors.New("executable file not found in $PATH")
/ LookPath searches for an executable named file in the
/ directories named by the PATH environment variable.
/ If file contains a slash, it is tried directly and the PATH is not consulted.
/ The result may be an absolute path or a path relative to the current directory.
func LookPath(file string) (string, error) {
/ Wasm can not execute processes, so act as if there are no executables at all.
return "", &Error{file, ErrNotFound}
}