// WatchPaths watches a set of paths, and broadcasts changes through reloader.
func WatchPaths(paths, excludePatterns []string, reloader livereload.Reloader, log termlog.Logger) error {
ch := make(chan []string, 1)
for _, path := range paths {
absPath, err := filepath.Abs(path)
if err != nil {
return err
}
if absPath[len(absPath)-1] != filepath.Separator {
absPath += string(filepath.Separator)
}
pathchan := make(chan []string, 1)
err = watch.Watch(path, batchTime, pathchan)
if err != nil {
return err
}
go func() {
for files := range pathchan {
files = filterFiles(absPath, files, excludePatterns, log)
if len(files) > 0 {
ch <- files
}
}
}()
}
go reloader.Watch(ch)
return nil
}
// Watch watches an endpoint for changes, if it supports them.
func (r Route) Watch(ch chan []string, excludePatterns []string, log termlog.Logger) error {
switch r.Endpoint.(type) {
case *filesystemEndpoint:
ep := *r.Endpoint.(*filesystemEndpoint)
pathchan := make(chan []string, 1)
err := watch.Watch(string(ep), batchTime, pathchan)
if err != nil {
return err
}
go func() {
for files := range pathchan {
for i, fpath := range files {
files[i] = path.Join(
r.Path,
strings.TrimPrefix(fpath, string(ep)),
)
}
files = filterFiles("/", files, excludePatterns, log)
ch <- files
}
}()
}
return nil
}