chore(textarea): remove keymap global in favor of a function

textarea/textarea.go

@@ -65,7 +65,8 @@ type KeyMap struct {
 
 // DefaultKeyMap is the default set of key bindings for navigating and acting
 // upon the textarea.
-var DefaultKeyMap = KeyMap{
+func DefaultKeyMap() KeyMap {
+	return KeyMap{
 		CharacterForward:        key.NewBinding(key.WithKeys("right", "ctrl+f"), key.WithHelp("right", "character forward")),
 		CharacterBackward:       key.NewBinding(key.WithKeys("left", "ctrl+b"), key.WithHelp("left", "character backward")),
 		WordForward:             key.NewBinding(key.WithKeys("alt+right", "alt+f"), key.WithHelp("alt+right", "word forward")),
@@ -91,6 +92,7 @@ var DefaultKeyMap = KeyMap{
 
 		TransposeCharacterBackward: key.NewBinding(key.WithKeys("ctrl+t"), key.WithHelp("ctrl+t", "transpose character backward")),
 	}
+}
 
 // LineInfo is a helper for keeping track of line information regarding
 // soft-wrapped lines.
@@ -295,7 +297,7 @@ func New() Model {
 		EndOfBufferCharacter: ' ',
 		ShowLineNumbers:      true,
 		Cursor:               cur,
-		KeyMap:               DefaultKeyMap,
+		KeyMap:               DefaultKeyMap(),
 
 		value: make([][]rune, minHeight, defaultMaxHeight),
 		focus: false,