Add loggers

main.go

@@ -3,14 +3,30 @@ package main
 import (
 	"embed"
 	"fmt"
+	"io"
 	"log"
 	"net/url"
+	"os"
 
 	"github.com/wailsapp/wails/v2"
 	"github.com/wailsapp/wails/v2/pkg/options"
 	"github.com/wailsapp/wails/v2/pkg/options/assetserver"
 )
 
+var Error *log.Logger
+var Warning *log.Logger
+
+func init() {
+	log.SetFlags(log.Lmicroseconds | log.Lshortfile)
+
+	Error = log.New(io.MultiWriter(os.Stderr, os.Stdout),
+		fmt.Sprintf("%sERROR:%s ", "\033[0;101m", "\033[0m"),
+		log.Lmicroseconds|log.Lshortfile)
+	Warning = log.New(io.MultiWriter(os.Stdout),
+		fmt.Sprintf("%sWarning:%s ", "\033[0;93m", "\033[0m"),
+		log.Lmicroseconds|log.Lshortfile)
+}
+
 //go:embed all:frontend/dist
 var assets embed.FS
 
@@ -24,7 +40,7 @@ func NewAddon(name, aurl string) *Addon {
 	var err error
 	a.URL, err = url.Parse(aurl)
 	if err != nil {
-		fmt.Errorf("invalid url: %s", aurl)
+		Error.Printf("invalid url: %s", aurl)
 		return nil
 	}
 	return a