watch

package

v1.1.0 Latest Latest Go to latest Published: Apr 16, 2026 License: MIT Imports: 5 Imported by: 0

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type Handler func(changed []string) error

Handler is called with the set of changed file paths after debouncing.

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

Watcher watches a directory tree for file changes and calls handler after a debounce window. Only files matching the tracked extensions are reported.

func New(dir string, exts []string, handler Handler) (*Watcher, error)

New creates a Watcher rooted at dir, watching files with the given extensions.

func (w *Watcher) Run(stop <-chan struct{}) error

Run starts the watch loop. It blocks until ctx is cancelled or an error occurs. Uses a debounce window to coalesce rapid saves.