feat: add BorderRow for separating rows

table/table.go

@@ -47,6 +47,7 @@ type Table struct {
 	borderRight  bool
 	borderHeader bool
 	borderColumn bool
+	borderRow    bool
 
 	borderStyle lipgloss.Style
 	headers     []any
@@ -150,12 +151,18 @@ func (t *Table) BorderHeader(v bool) *Table {
 	return t
 }
 
-// BorderColumn sets the column border.
+// BorderColumn sets the column border separator.
 func (t *Table) BorderColumn(v bool) *Table {
 	t.borderColumn = v
 	return t
 }
 
+// BorderRow sets the row border separator.
+func (t *Table) BorderRow(v bool) *Table {
+	t.borderRow = v
+	return t
+}
+
 // BorderStyle sets the style for the table border.
 func (t *Table) BorderStyle(style lipgloss.Style) *Table {
 	t.borderStyle = style
@@ -307,6 +314,17 @@ func (t *Table) String() string {
 		}
 
 		s.WriteString(lipgloss.JoinHorizontal(lipgloss.Top, cells...) + "\n")
+
+		if t.borderRow && r < len(t.rows)-1 {
+			s.WriteString(t.borderStyle.Render(t.border.MiddleLeft))
+			for i := 0; i < len(longestRow); i++ {
+				s.WriteString(t.borderStyle.Render(strings.Repeat(t.border.Bottom, t.widths[i])))
+				if i < len(longestRow)-1 && t.borderColumn {
+					s.WriteString(t.borderStyle.Render(t.border.Middle))
+				}
+			}
+			s.WriteString(t.borderStyle.Render(t.border.MiddleRight) + "\n")
+		}
 	}
 
 	// Write the bottom border.

table/table_test.go

@@ -379,6 +379,39 @@ func TestTableUnsetHeaderSeparatorWithBorder(t *testing.T) {
 	}
 }
 
+func TestTableRowSeparators(t *testing.T) {
+	table := New().
+		Border(lipgloss.NormalBorder()).
+		StyleFunc(TableStyle).
+		BorderRow(true).
+		Headers("LANGUAGE", "FORMAL", "INFORMAL").
+		Row("Chinese", "Nǐn hǎo", "Nǐ hǎo").
+		Row("French", "Bonjour", "Salut").
+		Row("Japanese", "こんにちは", "やあ").
+		Row("Russian", "Zdravstvuyte", "Privet").
+		Row("Spanish", "Hola", "¿Qué tal?")
+
+	expected := strings.TrimSpace(`
+┌──────────┬──────────────┬───────────┐
+│ LANGUAGE │    FORMAL    │ INFORMAL  │
+├──────────┼──────────────┼───────────┤
+│ Chinese  │ Nǐn hǎo      │ Nǐ hǎo    │
+├──────────┼──────────────┼───────────┤
+│ French   │ Bonjour      │ Salut     │
+├──────────┼──────────────┼───────────┤
+│ Japanese │ こんにちは   │ やあ      │
+├──────────┼──────────────┼───────────┤
+│ Russian  │ Zdravstvuyte │ Privet    │
+├──────────┼──────────────┼───────────┤
+│ Spanish  │ Hola         │ ¿Qué tal? │
+└──────────┴──────────────┴───────────┘
+`)
+
+	if table.String() != expected {
+		t.Fatalf("expected:\n\n%s\n\ngot:\n\n%s", expected, table.String())
+	}
+}
+
 func TestTableHeights(t *testing.T) {
 	styleFunc := func(row, col int) lipgloss.Style {
 		if row == 0 {