styling

colors/colors.go

@@ -0,0 +1,60 @@
+package colors
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+const (
+	Reset     = "\033[0m"
+	Bold      = "\033[1m"
+	Underline = "\033[4m"
+	Italic    = "\033[3m"
+	Reverse   = "\033[7m"
+	Strike    = "\033[9m"
+
+	Black   = "\033[30m"
+	Red     = "\033[31m"
+	Green   = "\033[32m"
+	Yellow  = "\033[33m"
+	Blue    = "\033[34m"
+	Magenta = "\033[35m"
+	Cyan    = "\033[36m"
+	White   = "\033[37m"
+)
+
+func Rgb(r, g, b uint8) string {
+	return fmt.Sprintf("\x1b[38;2;%d;%d;%dm", r, g, b)
+}
+
+func AsBg(s string) string {
+	re, _ := regexp.Compile(`\x1b\[3([0-9]+)`)
+	return re.ReplaceAllStringFunc(s, func(match string) string {
+		groups := re.FindStringSubmatch(match)
+		if len(groups) >= 2 {
+			return fmt.Sprintf("\x1b[4%s", groups[1])
+		}
+		return match
+	})
+}
+
+
+func AsFg(s string) string {
+	re, _ := regexp.Compile(`\x1b\[4([0-9]+)`)
+	return re.ReplaceAllStringFunc(s, func(match string) string {
+		groups := re.FindStringSubmatch(match)
+		if len(groups) >= 2 {
+			return fmt.Sprintf("\x1b[3%s", groups[1])
+		}
+		return match
+	})
+}
+
+func Combine(s, s1 string) string {
+	if strings.Contains(s, Reset) {
+		return s + s1
+	} else {
+		return s1 + s
+	}
+}