refactor: extract slice and integer methods to helper file (utils.go)

table/table.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/charmbracelet/lipgloss"
 	"github.com/mattn/go-runewidth"
-	"golang.org/x/exp/slices"
 )
 
 // StyleFunc is the style function that determines the style of a Cell.
@@ -330,7 +329,7 @@ func (t *Table) String() string {
 		}
 
 		for width > t.width {
-			index := largest(differences)
+			index, _ := largest(differences)
 			if differences[index] < 1 {
 				break
 			}
@@ -344,7 +343,7 @@ func (t *Table) String() string {
 		// Table is still too wide, begin shrinking the columns based on the
 		// largest column.
 		for width > t.width {
-			index := largest(t.widths)
+			index, _ := largest(t.widths)
 			if t.widths[index] < 1 {
 				break
 			}
@@ -399,62 +398,8 @@ func (t *Table) Render() string {
 	return t.String()
 }
 
-// btoi converts a boolean to an integer, 1 if true, 0 if false.
-func btoi(b bool) int {
-	if b {
-		return 1
-	}
-	return 0
-}
-
-// max returns the greater of two integers.
-func max(a, b int) int {
-	if a > b {
-		return a
-	}
-	return b
-}
-
-// min returns the greater of two integers.
-func min(a, b int) int {
-	if a < b {
-		return a
-	}
-	return b
-}
-
-// sum returns the sum of all integers in a slice.
-func sum(n []int) int {
-	var sum int
-	for _, i := range n {
-		sum += i
-	}
-	return sum
-}
-
-// median returns the median of a slice of integers.
-func median(n []int) int {
-	slices.Sort(n)
-
-	if len(n) <= 0 {
-		return 0
-	}
-	if len(n)%2 == 0 {
-		return (n[len(n)/2-1] + n[len(n)/2]) / 2
-	}
-	return n[len(n)/2]
-}
-
-func largest(n []int) int {
-	var largest int
-	for i := range n {
-		if n[i] > n[largest] {
-			largest = i
-		}
-	}
-	return largest
-}
-
+// constructTopBorder constructs the top border for the table given it's current
+// border configuration and data.
 func (t *Table) constructTopBorder() string {
 	var s strings.Builder
 	if t.borderLeft {
@@ -472,6 +417,8 @@ func (t *Table) constructTopBorder() string {
 	return s.String()
 }
 
+// constructBottomBorder constructs the bottom border for the table given it's current
+// border configuration and data.
 func (t *Table) constructBottomBorder() string {
 	var s strings.Builder
 	if t.borderLeft {
@@ -489,6 +436,8 @@ func (t *Table) constructBottomBorder() string {
 	return s.String()
 }
 
+// constructHeaders constructs the headers for the table given it's current
+// header configuration and data.
 func (t *Table) constructHeaders() string {
 	var s strings.Builder
 	if t.borderLeft {
@@ -528,6 +477,8 @@ func (t *Table) constructHeaders() string {
 	return s.String()
 }
 
+// constructRow constructs the row for the table given an index and row data
+// based on the current configuration.
 func (t *Table) constructRow(index int, row Row) string {
 	var s strings.Builder
 

table/util.go

@@ -0,0 +1,61 @@
+package table
+
+import "golang.org/x/exp/slices"
+
+// btoi converts a boolean to an integer, 1 if true, 0 if false.
+func btoi(b bool) int {
+	if b {
+		return 1
+	}
+	return 0
+}
+
+// max returns the greater of two integers.
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+// min returns the greater of two integers.
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+// sum returns the sum of all integers in a slice.
+func sum(n []int) int {
+	var sum int
+	for _, i := range n {
+		sum += i
+	}
+	return sum
+}
+
+// median returns the median of a slice of integers.
+func median(n []int) int {
+	slices.Sort(n)
+
+	if len(n) <= 0 {
+		return 0
+	}
+	if len(n)%2 == 0 {
+		return (n[len(n)/2-1] + n[len(n)/2]) / 2
+	}
+	return n[len(n)/2]
+}
+
+// largest returns the largest element and it's index from a slice of integers.
+func largest(n []int) (int, int) { // nolint: unparam
+	var largest, index int
+	for i, e := range n {
+		if n[i] > n[index] {
+			largest = e
+			index = i
+		}
+	}
+	return index, largest
+}