chore: use go 1.16 (#449)

* chore: use go 1.16 and gofmt accordingly

* chore: also update examples and tuts to go 1.16

commands_test.go

@@ -27,10 +27,10 @@ func TestTick(t *testing.T) {
 }
 
 func TestSequentially(t *testing.T) {
-	var expectedErrMsg = fmt.Errorf("some err")
+	expectedErrMsg := fmt.Errorf("some err")
-	var expectedStrMsg = "some msg"
+	expectedStrMsg := "some msg"
 
-	var nilReturnCmd = func() Msg {
+	nilReturnCmd := func() Msg {
 		return nil
 	}
 

examples/chat/main.go

@@ -22,8 +22,10 @@ func main() {
 	}
 }
 
-type tickMsg struct{}
+type (
-type errMsg error
+	tickMsg struct{}
+	errMsg  error
+)
 
 type model struct {
 	viewport    viewport.Model

examples/credit-card-form/main.go

@@ -19,8 +19,10 @@ func main() {
 	}
 }
 
-type tickMsg struct{}
+type (
-type errMsg error
+	tickMsg struct{}
+	errMsg  error
+)
 
 const (
 	ccn = iota
@@ -129,9 +131,7 @@ func (m model) Init() tea.Cmd {
 }
 
 func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
-	var (
+	var cmds []tea.Cmd = make([]tea.Cmd, len(m.inputs))
-		cmds []tea.Cmd = make([]tea.Cmd, len(m.inputs))
-	)
 
 	switch msg := msg.(type) {
 	case tea.KeyMsg:

examples/go.mod

@@ -1,6 +1,6 @@
 module examples
 
-go 1.13
+go 1.16
 
 require (
 	github.com/charmbracelet/bubbles v0.13.1-0.20220815142520-649f78e1fd8b

examples/result/main.go

@@ -46,7 +46,6 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				m.cursor = len(choices) - 1
 			}
 		}
-
 	}
 
 	return m, nil

examples/send-msg/main.go

@@ -125,8 +125,10 @@ func main() {
 }
 
 func randomFood() string {
-	food := []string{"an apple", "a pear", "a gherkin", "a party gherkin",
+	food := []string{
+		"an apple", "a pear", "a gherkin", "a party gherkin",
 		"a kohlrabi", "some spaghetti", "tacos", "a currywurst", "some curry",
-		"a sandwich", "some peanut butter", "some cashews", "some ramen"}
+		"a sandwich", "some peanut butter", "some cashews", "some ramen",
+	}
 	return string(food[rand.Intn(len(food))])
 }

examples/spinner/main.go

@@ -52,7 +52,6 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.spinner, cmd = m.spinner.Update(msg)
 		return m, cmd
 	}
-
 }
 
 func (m model) View() string {

examples/textinput/main.go

@@ -19,8 +19,10 @@ func main() {
 	}
 }
 
-type tickMsg struct{}
+type (
-type errMsg error
+	tickMsg struct{}
+	errMsg  error
+)
 
 type model struct {
 	textInput textinput.Model

examples/textinputs/main.go

@@ -62,6 +62,7 @@ func initialModel() model {
 
 	return m
 }
+
 func (m model) Init() tea.Cmd {
 	return textinput.Blink
 }
@@ -134,7 +135,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 }
 
 func (m *model) updateInputs(msg tea.Msg) tea.Cmd {
-	var cmds = make([]tea.Cmd, len(m.inputs))
+	cmds := make([]tea.Cmd, len(m.inputs))
 
 	// Only text inputs with Focus() set will respond, so it's safe to simply
 	// update all of them here without any further logic.

examples/views/main.go

@@ -46,8 +46,10 @@ func main() {
 	}
 }
 
-type tickMsg struct{}
+type (
-type frameMsg struct{}
+	tickMsg  struct{}
+	frameMsg struct{}
+)
 
 func tick() tea.Cmd {
 	return tea.Tick(time.Second, func(time.Time) tea.Msg {

go.mod

@@ -1,6 +1,6 @@
 module github.com/charmbracelet/bubbletea
 
-go 1.13
+go 1.16
 
 require (
 	github.com/containerd/console v1.0.3

logging.go

@@ -19,7 +19,7 @@ import (
 //	  }
 //	  defer f.Close()
 func LogToFile(path string, prefix string) (*os.File, error) {
-	f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
+	f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o644)
 	if err != nil {
 		return nil, err
 	}

screen_test.go

@@ -62,5 +62,4 @@ func TestScreen(t *testing.T) {
 			}, []byte("\x1b[15D"))
 		})
 	})
-
 }

signals_windows.go

@@ -11,6 +11,7 @@ import (
 // listenForResize is not available on windows because windows does not
 // implement syscall.SIGWINCH.
 func listenForResize(ctx context.Context, output *os.File, msgs chan Msg,
-	errs chan error, done chan struct{}) {
+	errs chan error, done chan struct{},
+) {
 	close(done)
 }

tutorials/go.mod

@@ -1,6 +1,6 @@
 module tutorial
 
-go 1.14
+go 1.16
 
 require github.com/charmbracelet/bubbletea v0.21.0