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|
package watch
import (
"errors"
"io/fs"
"log"
"os"
"time"
. "git.thomasvoss.com/euro-cash.eu/pkg/try"
)
func File(path string, f func()) {
impl(path, os.Stat, f)
}
func FileFS(dir fs.FS, path string, f func()) {
impl(path, func(path string) (os.FileInfo, error) {
return fs.Stat(dir, path)
}, f)
}
func impl(path string, statfn func(string) (os.FileInfo, error), f func()) {
ostat := Try2(statfn(path))
for {
nstat, err := statfn(path)
switch {
case errors.Is(err, os.ErrNotExist):
return
case err != nil:
log.Println(err)
}
if nstat.ModTime() != ostat.ModTime() {
f()
ostat = nstat
}
time.Sleep(1 * time.Second)
}
}
|
