Let debouncer delay be configurable

debouncer/debouncer.go

@@ -7,7 +7,7 @@ type Debouncer struct {
 	C     <-chan bool
 }
 
-func New(ch <-chan bool) *Debouncer {
+func New(ch <-chan bool, window time.Duration) *Debouncer {
 	output := make(chan bool)
 	var currentState bool
 	var lastState bool
@@ -21,11 +21,11 @@ func New(ch <-chan bool) *Debouncer {
 					output <- false
 					lastState = false
 				} else {
-					falseTimer.Reset(200 * time.Millisecond)
+					falseTimer.Reset(window)
 				}
 			case v, ok := <-ch:
 				if !ok {
-					falseTimer.Reset(200 * time.Millisecond)
+					falseTimer.Reset(window)
 					<-falseTimer.C
 					output <- false
 					close(output)
@@ -35,12 +35,12 @@ func New(ch <-chan bool) *Debouncer {
 					if !lastState {
 						output <- true
 						lastState = true
-						falseTimer.Reset(200 * time.Millisecond)
+						falseTimer.Reset(window)
 					}
 
 					currentState = true
 				} else {
-					falseTimer.Reset(200 * time.Millisecond)
+					falseTimer.Reset(window)
 
 					currentState = false
 				}

debouncer/debouncer_test.go

@@ -10,7 +10,7 @@ import (
 func TestDebouncer(t *testing.T) {
 	t.Run("Simple", func(t *testing.T) {
 		ch := make(chan bool)
-		d := debouncer.New(ch)
+		d := debouncer.New(ch, 200*time.Millisecond)
 
 		go func() {
 			ch <- true
@@ -23,7 +23,7 @@ func TestDebouncer(t *testing.T) {
 	})
 	t.Run("TrueTrueTrueFalse", func(t *testing.T) {
 		ch := make(chan bool)
-		d := debouncer.New(ch)
+		d := debouncer.New(ch, 200*time.Millisecond)
 		go func() {
 			ch <- true
 			ch <- true
@@ -40,7 +40,7 @@ func TestDebouncer(t *testing.T) {
 	})
 	t.Run("Debounce", func(t *testing.T) {
 		ch := make(chan bool)
-		d := debouncer.New(ch)
+		d := debouncer.New(ch, 200*time.Millisecond)
 		go func() {
 			ch <- true
 			time.Sleep(10 * time.Millisecond)
@@ -65,7 +65,7 @@ func TestDebouncer(t *testing.T) {
 	})
 	t.Run("DebounceDelay", func(t *testing.T) {
 		ch := make(chan bool)
-		d := debouncer.New(ch)
+		d := debouncer.New(ch, 200*time.Millisecond)
 		go func() {
 			ch <- true
 			ch <- false