install-node.sh

#!/usr/bin/env bash

PARALLELISM=10

curl --silent -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.8/install.sh | bash 2>&1
export NVM_DIR="/home/nvm/.nvm"
source ${NVM_DIR}/nvm.sh

read -r -d '' VERSIONS << EOM
9.4.0 9.3.0 9.2.1 9.1.0 9.0.0
8.9.4 8.8.1 8.7.0 8.6.0 8.5.0 8.4.0 8.3.0 8.2.1 8.1.4 8.0.0
6.12.3 6.11.5 6.10.3 6.9.5 6.8.1 6.7.0 6.6.0 6.5.0 6.4.0 6.3.1 6.2.2 6.1.0 6.0.0
EOM

install_version() {
  local version=$1
  # redirect stderr to /dev/null to not show progress bar
  nvm install ${version} 2> /dev/null
}

parallel=0
for version in ${VERSIONS}; do
  install_version ${version} &
  parallel=$(($parallel + 1))
  if [ ${parallel} -eq ${PARALLELISM} ]; then
    wait
    parallel=0
  fi
done
wait

nvm cache clear

nvm use 6

curl -L https://unpkg.com/@pnpm/self-installer | \
PNPM_VERSION=1.31.1 PNPM_DEST=/home/nvm/pnpm/lib/node_modules/pnpm PNPM_BIN_DEST=/usr/bin node