task: adding options on the watch command

tailo.go

@@ -5,7 +5,6 @@ package tailo
 
 import (
 	"fmt"
-	"log"
 	"os"
 	"path/filepath"
 
@@ -24,38 +23,6 @@ func (e extensions) Has(ext string) bool {
 	return false
 }
 
-func Watch() {
-	Build()
-
-	watcher, err := buildWatcher()
-	if err != nil {
-		panic(err)
-	}
-
-	// Start listening for events.
-	go func() {
-		for {
-			select {
-			case event, ok := <-watcher.Events:
-				if !ok {
-					return
-				}
-
-				if event.Has(fsnotify.Write) {
-					Build()
-				}
-			case err, ok := <-watcher.Errors:
-				if !ok {
-					return
-				}
-				log.Println("error:", err)
-			}
-		}
-	}()
-
-	<-make(chan struct{})
-}
-
 // Extensions to watch for changes.
 var watchExtensions = extensions{".html", ".css"}
 

watch.go

@@ -0,0 +1,39 @@
+package tailo
+
+import (
+	"log"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+func Watch(options ...option) {
+	Build(options...)
+
+	watcher, err := buildWatcher()
+	if err != nil {
+		panic(err)
+	}
+
+	// Start listening for events.
+	go func() {
+		for {
+			select {
+			case event, ok := <-watcher.Events:
+				if !ok {
+					return
+				}
+
+				if event.Has(fsnotify.Write) {
+					Build(options...)
+				}
+			case err, ok := <-watcher.Errors:
+				if !ok {
+					return
+				}
+				log.Println("error:", err)
+			}
+		}
+	}()
+
+	<-make(chan struct{})
+}