fix: Match kubectl table style for simpler scripting (#1363)

Fixes #1322.

cli/cliui/table.go

@@ -0,0 +1,43 @@
+package cliui
+
+import (
+	"strings"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+)
+
+// Table creates a new table with standardized styles.
+func Table() table.Writer {
+	tableWriter := table.NewWriter()
+	tableWriter.Style().Box.PaddingLeft = ""
+	tableWriter.Style().Box.PaddingRight = "  "
+	tableWriter.Style().Options.DrawBorder = false
+	tableWriter.Style().Options.SeparateHeader = false
+	tableWriter.Style().Options.SeparateColumns = false
+	return tableWriter
+}
+
+// FilterTableColumns returns configurations to hide columns
+// that are not provided in the array. If the array is empty,
+// no filtering will occur!
+func FilterTableColumns(header table.Row, columns []string) []table.ColumnConfig {
+	if len(columns) == 0 {
+		return nil
+	}
+	columnConfigs := make([]table.ColumnConfig, 0)
+	for _, headerTextRaw := range header {
+		headerText, _ := headerTextRaw.(string)
+		hidden := true
+		for _, column := range columns {
+			if strings.EqualFold(strings.ReplaceAll(column, "_", " "), headerText) {
+				hidden = false
+				break
+			}
+		}
+		columnConfigs = append(columnConfigs, table.ColumnConfig{
+			Name:   headerText,
+			Hidden: hidden,
+		})
+	}
+	return columnConfigs
+}