chore:added version checking

lib/cmd/checkVersion.go

@@ -0,0 +1,37 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	ioutil "io"
+	"net/http"
+)
+
+type PackageInfo struct {
+	Version string `json:"version"`
+}
+
+func GetCurrentVersionFromNpm(packageName string) (string, error) {
+	url := fmt.Sprintf("https://registry.npmjs.org/%s/latest", packageName)
+	resp, err := http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("failed to fetch package info: %s", resp.Status)
+	}
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	var info PackageInfo
+	if err := json.Unmarshal(body, &info); err != nil {
+		return "", err
+	}
+
+	return info.Version, nil
+}

lib/cmd/root.go

@@ -1,9 +1,11 @@
 package cmd
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/spf13/cobra"
+	"github.com/urizennnn/express-cli/lib/functions/config"
 )
 
 var rootCmd = &cobra.Command{
@@ -15,10 +17,23 @@ var rootCmd = &cobra.Command{
 	// Run: func(cmd *cobra.Command, args []string) { },
 }
 
+const (
+	packageName = "@urizen/express-cli"
+)
+
+var linstalledVersion = Version()
+
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
-	err := rootCmd.Execute()
+	version, err := GetCurrentVersionFromNpm(packageName)
+	if err != nil {
+		os.Exit(1)
+	}
+	if version != linstalledVersion {
+		fmt.Printf(config.Red+"A new version of %s is available. Run `npm install -g %s` to update.\n"+config.Reset, packageName, packageName)
+	}
+	err = rootCmd.Execute()
 	if err != nil {
 		os.Exit(1)
 	}

lib/cmd/version.go

@@ -36,6 +36,22 @@ func getRootDir() (string, error) {
 	return "/usr/lib/node_modules/@urizen/express-cli", nil
 }
 
+func Version() string {
+	data, err := getRootDir()
+	errors.Check_Err(err)
+	var file string
+	if PLATFORM == "windows" {
+		file = data + "\\version.js"
+	} else {
+		file = data + "/version.js"
+	}
+	cleaned_File := filepath.Clean(file)
+	version, err := exec.Command("node", cleaned_File).Output()
+	errors.Check_Err(err)
+
+	return string(version)
+}
+
 func printVersion() {
 	data, err := getRootDir()
 	errors.Check_Err(err)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@urizen/express-cli",
-  "version": "2.3.2",
+  "version": "2.3.3",
   "license": "MIT",
   "bin": {
     "express": "bin/linux"