feat: validate moniker

Author: Benzbeeb

models/initia/run_l1_node.go

@@ -302,6 +302,7 @@ func NewRunL1NodeMonikerInput(state *RunL1NodeState) *RunL1NodeMonikerInput {
 		question:  "Please specify the moniker",
 	}
 	model.WithPlaceholder("Enter moniker")
+	model.WithValidatorFn(utils.ValidateEmptyString)
 	return model
 }
 

models/initia/run_l1_node_test.go

@@ -62,11 +62,13 @@ func TestRunL1NodeMonikerInput_Update(t *testing.T) {
 	}
 
 	model := NewRunL1NodeMonikerInput(mockState)
+	m, _ := model.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	assert.IsType(t, m, &RunL1NodeMonikerInput{})
 
 	model.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("Node1")})
 	assert.Equal(t, "Node1", model.TextInput.Text)
 
-	m, _ := model.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	m, _ = model.Update(tea.KeyMsg{Type: tea.KeyEnter})
 	assert.Equal(t, "Node1", mockState.moniker)
 	assert.IsType(t, m, &MinGasPriceInput{})
 }

utils/text_input.go

@@ -22,6 +22,7 @@ func NewTextInput() TextInput {
 		Cursor:       0,
 		Placeholder:  "<todo: Jennie revisit placeholder>",
 		ValidationFn: NoOps,
+		IsEntered:    false,
 	}
 }
 
@@ -128,8 +129,14 @@ func moveToNextWord(text string, cursor int) int {
 func (ti TextInput) View() string {
 	var beforeCursor, cursorChar, afterCursor string
 	bottomText := styles.Text("Press Enter to submit or Ctrl+C to quit.", styles.Gray)
+	feedback := ""
+	if ti.IsEntered {
+		if err := ti.ValidationFn(ti.Text); err != nil {
+			feedback = styles.RenderError(err)
+		}
+	}
 	if len(ti.Text) == 0 {
-		return "\n" + styles.Text("> ", styles.Cyan) + styles.Text(ti.Placeholder, styles.Gray) + styles.Cursor(" ") + "\n\n" + bottomText
+		return fmt.Sprintf("\n%s %s\n\n%s%s", styles.Text(">", styles.Cyan), styles.Text(ti.Placeholder, styles.Gray), feedback, bottomText)
 	} else if ti.Cursor < len(ti.Text) {
 		// Cursor is within the text
 		beforeCursor = styles.Text(ti.Text[:ti.Cursor], styles.White)
@@ -141,13 +148,6 @@ func (ti TextInput) View() string {
 		cursorChar = styles.Cursor(" ")
 	}
 
-	feedback := ""
-	if ti.IsEntered {
-		if err := ti.ValidationFn(ti.Text); err != nil {
-			feedback = styles.RenderError(err)
-		}
-	}
-
 	// Compose the full view string
 	return fmt.Sprintf("\n%s %s%s%s\n\n%s%s", styles.Text(">", styles.Cyan), beforeCursor, cursorChar, afterCursor, feedback, bottomText)
 }

utils/validate.go

@@ -247,3 +247,10 @@ func ValidateExactString(expect string) func(s string) error {
 		return nil
 	}
 }
+
+func ValidateEmptyString(s string) error {
+	if s == "" {
+		return fmt.Errorf("cannot be empty string")
+	}
+	return nil
+}