install gamedig in lgsm dir if node exists

lgsm/modules/check.sh

@@ -99,3 +99,10 @@ for allowed_command in "${allowed_commands_array[@]}"; do
 		check_system_requirements.sh
 	fi
 done
+
+allowed_commands_array=(DETAILS MONITOR START STOP UPDATE VALIDATE POST-DETAILS)
+for allowed_command in "${allowed_commands_array[@]}"; do
+	if [ "${allowed_command}" == "${commandname}" ]; then
+		install_gamedig.sh
+	fi
+done

lgsm/modules/core_modules.sh

@@ -714,6 +714,11 @@ install_factorio_save.sh() {
 	fn_fetch_module
 }
 
+install_gamedig.sh() {
+	modulefile="${FUNCNAME[0]}"
+	fn_fetch_module
+}
+
 install_dst_token.sh() {
 	modulefile="${FUNCNAME[0]}"
 	fn_fetch_module

lgsm/modules/install_gamedig.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+# LinuxGSM install_gamedig.sh module
+# Author: Daniel Gibbs
+# Contributors: http://linuxgsm.com/contrib
+# Website: https://linuxgsm.com
+# Description: Installs nodejs and gamedig
+
+if [ "$(command -v node)" ] || [ ! -f "${lgsmdir}/node_modules/gamedig/bin/gamedig.js" ]; then
+	cd "${lgsmdir}" || exit
+	npm install [email protected]
+fi