breaking: prepare command renamed as install

With [#4182](sveltejs/kit#4182), SvelteKit added support for a new CLI command called `sync` wrapped as `prepare` script in `package.json` file

cmd/install.go

@@ -0,0 +1,52 @@
+/**
+ * Copyright © 2021 Mirco Veltri <github@mircoveltri.me>
+ *
+ * Use of this source code is governed by Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+// Package cmd ...
+package cmd
+
+import (
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+	"github.com/sveltinio/sveltin/helpers"
+	"github.com/sveltinio/sveltin/resources"
+	"github.com/sveltinio/sveltin/sveltinlib/logger"
+	"github.com/sveltinio/sveltin/utils"
+)
+
+//=============================================================================
+
+var installCmd = &cobra.Command{
+	Use:     "install",
+	Aliases: []string{"i", "init"},
+	Short:   "Get all the dependencies from the `package.json` file",
+	Long: resources.GetAsciiArt() + `
+Initialize the Sveltin project getting all dependencies from the package.json file.
+
+It wraps (npm|pnpm|yarn) install.
+`,
+	Run: RunInstallCmd,
+}
+
+// RunInstallCmd is the actual work function.
+func RunInstallCmd(cmd *cobra.Command, args []string) {
+	listLogger := log.WithList()
+	listLogger.Append(logger.LevelInfo, "Getting dependencies")
+	listLogger.Info("Prepare Sveltin project")
+
+	pathToPkgFile := filepath.Join(pathMaker.GetRootFolder(), "package.json")
+	npmClient, err := utils.RetrievePackageManagerFromPkgJson(AppFs, pathToPkgFile)
+	utils.ExitIfError(err)
+
+	err = helpers.RunPMCommand(npmClient.Name, "install", "", nil, false)
+	utils.ExitIfError(err)
+	log.Success("Done")
+}
+
+func init() {
+	rootCmd.AddCommand(installCmd)
+}

cmd/root.go

@@ -152,6 +152,6 @@ func loadEnvFile(filename string) (config config.ProjectConfig, err error) {
 // GetSveltinCommands returns an array of pointers to the implemented cobra.Command
 func GetSveltinCommands() []*cobra.Command {
 	return []*cobra.Command{
-		newCmd, generateCmd, prepareCmd, updateCmd, serverCmd, buildCmd, previewCmd,
+		newCmd, generateCmd, installCmd, updateCmd, serverCmd, buildCmd, previewCmd, deployCmd,
 	}
 }