make 'install_node' function in 'Node.js' install script simpler, update nvm to 0.38 and fix NVM_DIR again...

apps/Node.js/install

@@ -10,13 +10,7 @@ function error {
 function install_node() {
 	if [[ "$1" == "set_nvm_dir" ]]; then
 		export NVM_DIR="$2"
-	fi
-	if [[ "$3" == "message" || "$1" == message ]]; then
-		if [[ "$1" == "message" ]]; then
-			echo "$2"
-		elif [[ "$3" == message ]]; then
-			echo "$4"
-		fi
+		echo "$3"
 	fi
 	nvm install --lts
 }
@@ -34,10 +28,10 @@ You need to install curl first. If you are on a debian system, this command shou
 fi
 
 #Install nvm manager:
-curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.37.2/install.sh | bash || error "Failed to install nvm!"
-export NVM_DIR="$HOME/.config/nvm"
+wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.38.0/install.sh | bash || error "Failed to install nvm!"
+export NVM_DIR="$HOME/.nvm"
 [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
 [ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion
 
 #Install NodeJS, if nvm fails, try again with a different 'NVM_DIR"
-install_node || install_node set_nvm_dir "$HOME/.nvm" message "failed to install node.js! trying again with different NVM_DIR..." || error "Failed to install Node.js using nvm!"
+install_node || install_node set_nvm_dir "$HOME/.config/nvm" "failed to install node.js! trying again with different NVM_DIR..." || error "Failed to install Node.js using nvm!"