refactor(table): rename OverwriteStylesFromLipgloss to LipglossTable

Also, keeps any previously set data on the Lip Gloss table, if set.

table/table.go

@@ -364,14 +364,19 @@ func (m *Model) OverwriteStyles(s Styles) *Model {
 	return m
 }
 
-// OverwriteStylesFromLipgloss sets the [Model]'s style attributes from an
-// existing [lipgloss.Table].
-func (m *Model) OverwriteStylesFromLipgloss(t *table.Table) {
+// LipglossTable sets the inner [lipgloss.Table].
+func (m *Model) LipglossTable(t *table.Table) {
 	var (
 		previousHeaders = m.table.GetHeaders()
 		previousData    = m.table.GetData()
 	)
-	m.table = t.Headers(previousHeaders...).Data(previousData)
+	if len(t.GetHeaders()) == 0 {
+		t = t.Headers(previousHeaders...)
+	}
+	if t.GetData() == nil || t.GetData().Rows() == 0 {
+		t = t.Rows(table.DataToMatrix(previousData)...)
+	}
+	m.table = t
 	m.useStyleFunc = true
 }
 

table/table_test.go

@@ -368,28 +368,45 @@ func TestNewFromTemplate(t *testing.T) {
 	golden.RequireEqual(t, []byte(bubblesTable.View()))
 }
 
-func TestOverwriteStylesFromLipgloss(t *testing.T) {
-	baseStyle := lipgloss.NewStyle().Padding(0, 1)
-	headerStyle := baseStyle.Foreground(lipgloss.Color("252")).Bold(true)
-	lipglossTable := table.New().
-		Border(lipgloss.NormalBorder()).
-		BorderStyle(lipgloss.NewStyle().Foreground(lipgloss.Color("238"))).
-		Width(80).
-		StyleFunc(func(row, col int) lipgloss.Style {
+func TestLipglossTable(t *testing.T) {
+	var (
+		baseStyle   = lipgloss.NewStyle().Padding(0, 1)
+		headerStyle = baseStyle.Foreground(lipgloss.Color("252")).Bold(true)
+		borderStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("238"))
+		styleFunc   = func(row, col int) lipgloss.Style {
 			if row == table.HeaderRow {
 				return headerStyle
 			}
-
-			even := row%2 == 0
-
-			if even {
+			if row%2 == 0 {
 				return baseStyle.Foreground(lipgloss.Color("245"))
 			}
 			return baseStyle.Foreground(lipgloss.Color("252"))
-		})
-	bubblesTable := New().SetHeaders(headers...).SetRows(rows...)
-	bubblesTable.OverwriteStylesFromLipgloss(lipglossTable)
-	golden.RequireEqual(t, []byte(bubblesTable.View()))
+		}
+	)
+
+	t.Run("WithoutPreviousData", func(t *testing.T) {
+		lipglossTable := table.New().
+			Border(lipgloss.NormalBorder()).
+			BorderStyle(borderStyle).
+			Width(80).
+			StyleFunc(styleFunc)
+		bubblesTable := New().SetHeaders(headers...).SetRows(rows...)
+		bubblesTable.LipglossTable(lipglossTable)
+		golden.RequireEqual(t, []byte(bubblesTable.View()))
+	})
+
+	t.Run("WithPreviousData", func(t *testing.T) {
+		lipglossTable := table.New().
+			Border(lipgloss.NormalBorder()).
+			BorderStyle(borderStyle).
+			Width(80).
+			StyleFunc(styleFunc).
+			Headers(headers...).
+			Rows(rows...)
+		bubblesTable := New()
+		bubblesTable.LipglossTable(lipglossTable)
+		golden.RequireEqual(t, []byte(bubblesTable.View()))
+	})
 }
 
 // Examples

table/testdata/TestLipglossTable/WithoutPreviousData.golden

@@ -0,0 +1,20 @@
+┌───────────────────┬───────────────────┬───────────────────┬──────────────────┐
+│ Rank              │ City              │ Country           │ Population       │
+├───────────────────┼───────────────────┼───────────────────┼──────────────────┤
+│ 1                 │ Tokyo             │ Japan             │ 37,274,000       │
+│ 2                 │ Delhi             │ India             │ 32,065,760       │
+│ 3                 │ Shanghai          │ China             │ 28,516,904       │
+│ 4                 │ Dhaka             │ Bangladesh        │ 22,478,116       │
+│ 5                 │ São Paulo         │ Brazil            │ 22,429,800       │
+│ 6                 │ Mexico City       │ Mexico            │ 22,085,140       │
+│ 7                 │ Cairo             │ Egypt             │ 21,750,020       │
+│ 8                 │ Beijing           │ China             │ 21,333,332       │
+│ 9                 │ Mumbai            │ India             │ 20,961,472       │
+│ 10                │ Osaka             │ Japan             │ 19,059,856       │
+│ 11                │ Chongqing         │ China             │ 16,874,740       │
+│ 12                │ Karachi           │ Pakistan          │ 16,839,950       │
+│ 13                │ Istanbul          │ Turkey            │ 15,636,243       │
+│ 14                │ Kinshasa          │ DR Congo          │ 15,628,085       │
+│ 15                │ Lagos             │ Nigeria           │ 15,387,639       │
+│ 16                │ Buenos Aires      │ Argentina         │ 15,369,919       │
+└───────────────────┴───────────────────┴───────────────────┴──────────────────┘