install node.js and yarn

config.sh

@@ -1,2 +1,5 @@
 export _url="hugo-skeleton.home"
 export _user='ray'
+
+export _node_version=v12.16.1
+export _node_distro=linux-x64

dev-setup/node.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+set -e
+
+if command -v apt-get ; then
+  apt-get -y install gnupg
+else
+  echo "Error - no package installer found."
+  exit 1
+fi
+
+cd /tmp
+wget https://nodejs.org/dist/"$_node_version"/node-"$_node_version"-"$_node_distro".tar.xz
+sudo mkdir -p /usr/local/lib/nodejs
+tar -xJvf node-"$_node_version"-"$_node_distro".tar.xz -C /usr/local/lib/nodejs
+
+echo "PATH=/usr/local/lib/nodejs/node-$_node_version-$_node_distro/bin:$PATH" >> /home/"$_user"/.profile
+
+curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
+echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
+apt-get update && sudo apt-get -y install yarn