watcher

package

v0.3.1 Latest Latest Go to latest Published: Sep 20, 2017 License: MIT Imports: 6 Imported by: 0

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type IFace interface {
	Init() error
	Watch()
	Register(func(bts []byte))
	UpdateBytes() error
	ReadFile() ([]byte, error)
}

IFace interface for the the file system watcher.

type Watcher struct {
	// contains filtered or unexported fields
}

Watcher is a wrapper for `fsnotify` that provides the registration of a callback for WRITE events.

func New(path string) (w *Watcher)

New initializes a Watcher and verifies that `path` exists.

func (w *Watcher) Close()

func (w *Watcher) Init() error

Init creates a new `fsnotify` watcher observing `path`.

func (w *Watcher) ReadFile() ([]byte, error)

ReadFile reads the contents of `path`.

func (w *Watcher) Register(cb func(bts []byte))

Register assigns the WRITE event callback.

func (w *Watcher) UpdateBytes() error

UpdateBytes reads the contents of `path` and passes the bytes to `writeCallback`.

func (w *Watcher) Watch()

Watch observes WRITE events, forwarding them to `Updated`