filewatcher

package
v0.0.0-...-0956853 Latest Latest
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 Go to latest Published: Nov 1, 2022 License: MIT Imports: 7 Imported by: 0

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Types

type Options 

type Options struct {
	Contents []byte // Static contents that never change, for unified handling
	FilePath string
	Interval time.Duration
	OnChange func(contents []byte)
	Logr     logr.Logger
}

type Watcher 

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

Watcher is file watcher that polls a file for changes in the background. For convenience, it also supports single content loads without a background watcher.

func New 

func New(ctx context.Context, opt Options) (*Watcher, error)

New creates and new Watcher and starts the background watch goroutine if needed. The first poll is done immediately and any error there will be immediately returned and not further polling done in this case. The OnChange callback is not called for this first poll. The background goroutine can be cancelled through the passed context.

func (*Watcher) Contents 

func (w *Watcher) Contents() []byte

Contents returns the current file contents

func (*Watcher) Err 

func (w *Watcher) Err() error

Err returns the last error encountered when polling.

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