build.sh

#!/bin/bash
set -e

# https://stackoverflow.com/questions/4023830/how-to-compare-two-strings-in-dot-separated-version-format-in-bash
function vercomp() {
  if [[ $1 == $2 ]]
  then
    return 0
  fi
  local IFS=.
  local i ver1=($1) ver2=($2)
  # fill empty fields in ver1 with zeros
  for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
  do
    ver1[i]=0
  done
  for ((i=0; i<${#ver1[@]}; i++))
  do
    if [[ -z ${ver2[i]} ]]
    then
      # fill empty fields in ver2 with zeros
      ver2[i]=0
    fi
    if ((10#${ver1[i]} > 10#${ver2[i]}))
    then
      return 1
    fi
    if ((10#${ver1[i]} < 10#${ver2[i]}))
    then
      return 2
    fi
  done
  return 0
}

# does the host have the right version of nodejs installed?
nodejs_version=`node -v`
min_nodejs_version='10.0'
max_nodejs_version='10.99'

echo "NodeJS version: ${nodejs_version:1}"
if [[ $(vercomp ${nodejs_version:1} ${min_nodejs_version}; echo $?) -gt 1 || $(vercomp ${max_nodejs_version} ${nodejs_version:1}; echo $?) -gt 1 ]]; then
  echo "NodeJS version must > ${min_nodejs_version} and < ${max_nodejs_version} to continue. Try:"
  echo "nvm use 8"
  exit 1
fi

# does the host have the right version of npm installed?
npm_version=`npm -v`
min_npm_version='6.4.1'
echo "NPM version: ${npm_version}"
if [[ $(vercomp ${npm_version} ${min_npm_version}; echo $?) -gt 1 ]]; then
  echo "NPM version must be >= ${min_npm_version}. Try:"
  echo "npm install npm@latest -g"
  exit 1
fi

# Clean out existing node modules to ensure we have a clean slate
rm -rf node_modules

# Install npm packages on host so we can pull private dependencies
npm install

# Build storybook
# npm run build-lib
# npm run build-storybook
npm run build

# Record the architecture used to build native modules. We'll check
# this in config/install.sh to see if we need to rebuild.
uname="$(uname -s) $(uname -m)"
echo $uname > .build_architecture

mkdir -p public/
cp -R build/* public/