feat: Improved the nodejs installer, added an example

examples/installers/nodejs.vsh

@@ -0,0 +1,7 @@
+#!/usr/bin/env -S v -n -w -gc none  -cc tcc -d use_openssl -enable-globals run
+
+import freeflowuniverse.herolib.installers.lang.nodejs
+
+mut nodejs_installer := nodejs.get()!
+// nodejs_installer.install()!
+nodejs_installer.destroy()!

lib/installers/lang/nodejs/.heroscript

@@ -9,4 +9,3 @@
     build: false
     startupmanager: false
     supported_platforms: ""
-

lib/installers/lang/nodejs/nodejs.v

@@ -1,22 +0,0 @@
-module nodejs
-
-import freeflowuniverse.herolib.osal
-// import freeflowuniverse.herolib.ui.console
-// import freeflowuniverse.herolib.core.texttools
-// import freeflowuniverse.herolib.installers.base
-
-// @[params]
-// pub struct InstallArgs {
-// pub mut:
-// 	reset bool
-// }
-
-// pub fn install_(args_ InstallArgs) ! {
-// 	_ := args_
-// 	pl := core.platform()!
-// 	if pl == .arch {
-// 		osal.package_install('npm')!
-// 	} else {
-// 		return error('only support arch for now')
-// 	}
-// }

lib/installers/lang/nodejs/nodejs_actions.v

@@ -1,28 +1,18 @@
 module nodejs
 
-import freeflowuniverse.herolib.osal
 import freeflowuniverse.herolib.ui.console
-import freeflowuniverse.herolib.core.texttools
-import freeflowuniverse.herolib.core.pathlib
 import freeflowuniverse.herolib.installers.ulist
-import freeflowuniverse.herolib.installers.base
 import os
 
 //////////////////// following actions are not specific to instance of the object
 
-fn installed_() !bool {
-	res := os.execute('pnpm -v')
+// checks if a certain version or above is installed
+fn installed() !bool {
+	res := os.execute('node -v')
 	if res.exit_code != 0 {
 		return false
 	}
-	r := res.output.split_into_lines().filter(it.trim_space().len > 0)
-	if r.len != 1 {
-		return error("couldn't parse pnpm version.\n${res.output}")
-	}
-	if texttools.version(r[0]) >= texttools.version(version) {
-		return true
-	}
-	return false
+	return true
 }
 
 // get the Upload List of the files
@@ -32,38 +22,19 @@ fn ulist_get() !ulist.UList {
 }
 
 // uploads to S3 server if configured
-fn upload_() ! {
+fn upload() ! {}
+
+fn install() ! {
+	console.print_header('Installing Node.js...')
+	os.execute('curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -')
+	os.execute('sudo apt install -y nodejs')
+	console.print_header('Node.js installation complete.')
 }
 
-fn install_() ! {
-	console.print_header('install nodejs')
-	osal.package_install('pnpm')!
-}
-
-fn destroy_() ! {
-	// mut systemdfactory := systemd.new()!
-	// systemdfactory.destroy("zinit")!
-
-	// osal.process_kill_recursive(name:'zinit')!
-	// osal.cmd_delete('zinit')!
-
-	osal.package_remove('
-       pnpm
-    ')!
-
-	// //will remove all paths where go/bin is found
-	// osal.profile_path_add_remove(paths2delete:"go/bin")!
-
-	// osal.rm("
-	//    podman
-	//    conmon
-	//    buildah
-	//    skopeo
-	//    runc
-	//    /var/lib/containers
-	//    /var/lib/podman
-	//    /var/lib/buildah
-	//    /tmp/podman
-	//    /tmp/conmon
-	// ")!
+fn destroy() ! {
+	console.print_header('Uninstalling Node.js and NVM...')
+	os.execute('sudo apt remove -y nodejs')
+	os.execute('sudo apt autoremove -y')
+	os.rm('~/.nvm') or {}
+	console.print_header('Node.js and NVM have been uninstalled.')
 }

lib/installers/lang/nodejs/nodejs_factory_.v

@@ -1,12 +1,9 @@
 module nodejs
 
-import freeflowuniverse.herolib.core.base
 import freeflowuniverse.herolib.core.playbook
 import freeflowuniverse.herolib.ui.console
-import freeflowuniverse.herolib.data.paramsparser
 import freeflowuniverse.herolib.sysadmin.startupmanager
 import freeflowuniverse.herolib.osal.zinit
-import time
 
 __global (
 	nodejs_global  map[string]&NodeJS
@@ -45,11 +42,11 @@ pub fn play(args_ PlayArgs) ! {
 			reset := p.get_default_false('reset')
 			if other_action.name == 'destroy' || reset {
 				console.print_debug('install action nodejs.destroy')
-				// destroy()!
+				destroy()!
 			}
 			if other_action.name == 'install' {
 				console.print_debug('install action nodejs.install')
-				// install()!
+				install()!
 			}
 		}
 	}
@@ -89,14 +86,14 @@ pub mut:
 
 pub fn (mut self NodeJS) install(args InstallArgs) ! {
 	switch(self.name)
-	// if args.reset || (!installed()!) {
-	//     install()!
-	// }
+	if args.reset || (!installed()!) {
+		install()!
+	}
 }
 
 pub fn (mut self NodeJS) destroy() ! {
 	switch(self.name)
-	// destroy()!
+	destroy()!
 }
 
 // switch instance to be used for nodejs

lib/installers/lang/nodejs/nodejs_model.v

@@ -1,27 +1,33 @@
 module nodejs
 
-import freeflowuniverse.herolib.data.paramsparser
-import os
+import freeflowuniverse.herolib.data.encoderhero
 
 pub const version = '9.15.2'
 const singleton = true
 const default = true
 
-// THIS THE THE SOURCE OF THE INFORMATION OF THIS FILE, HERE WE HAVE THE CONFIG OBJECT CONFIGURED AND MODELLED
 @[heap]
 pub struct NodeJS {
 pub mut:
 	name string = 'default'
 }
 
-fn obj_init(obj_ NodeJS) !NodeJS {
-	// never call get here, only thing we can do here is work on object itself
-	mut obj := obj_
-	panic('implement')
-	return obj
+// your checking & initialization code if needed
+fn obj_init(mycfg_ NodeJS) !NodeJS {
+	mut mycfg := mycfg_
+	return mycfg
 }
 
 // called before start if done
 fn configure() ! {
 	// mut installer := get()!
 }
+
+pub fn heroscript_dumps(obj NodeJS) !string {
+	return encoderhero.encode[NodeJS](obj)!
+}
+
+pub fn heroscript_loads(heroscript string) !NodeJS {
+	mut obj := encoderhero.decode[NodeJS](heroscript)!
+	return obj
+}