Hide command prompt window when using exec for Windows OS

contrib/ui/mesh-ui/webview_other.go

@@ -1,3 +1,6 @@
+//go:build !windows
+// +build !windows
+
 package main
 
 import (

contrib/ui/mesh-ui/webview_windows.go

@@ -0,0 +1,52 @@
+//go:build windows
+// +build windows
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net"
+	"net/url"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"runtime"
+	"strconv"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/hjson/hjson-go"
+	"github.com/webview/webview"
+
+	"github.com/RiV-chain/RiV-mesh/src/admin"
+)
+
+var riv_ctrl_path string
+
+func run_command(command string) []byte {
+	args := []string{"-json", command}
+	cmd := exec.Command(riv_ctrl_path, args...)
+	cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		//log.Fatalf("cmd.Run() failed with %s\n", err)
+		return []byte(err.Error())
+	}
+	return out
+}
+
+func run_command_with_arg(command string, arg string) []byte {
+	args := []string{"-json", command, arg}
+	cmd := exec.Command(riv_ctrl_path, args...)
+	cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		//log.Fatalf("command failed: %s\n", riv_ctrl_path+" "+strings.Join(args, " "))
+		return []byte(err.Error())
+	}
+	return out
+}