Script to try updating `yarn outdated` packages, build, and run tests, committing if successful.

upgrade-frontend-dependencies.sh

#!/usr/bin/env bash

set -eu

log_dir=".upgrade-frontend-deps-logs"

mkdir -p "$log_dir"

if ! git diff-index --quiet HEAD --; then
  echo "Make sure the working tree doesn't have uncommitted changes"
  exit 1
fi

yarn

yarn outdated | grep -E 'dependencies\s*$' | while read line; do
  echo "================================================================================"
  echo "$line"
  package=$(echo "$line" | awk '{ print $1 }')
  current=$(echo "$line" | awk '{ print $2 }')
  wanted=$(echo "$line" | awk '{ print $3 }')
  if [ "$current" != "$wanted" ]; then
    # reset
    git co . > /dev/null
    yarn > /dev/null
    # upgrade
    if yarn upgrade "$package" > "$log_dir/$package.upgrade.out" 2> "$log_dir/$package.upgrade.err"; then
      echo "Upgrade succeeded"
      # build
      if yarn run build > "$log_dir/$package.build.out" 2> "$log_dir/$package.build.err"; then
        echo "Build succeeded"
        # test
        if yarn run test > "$log_dir/$package.test.out" 2> "$log_dir/$package.test.err"; then
          echo "Tests succeeded"
          git commit -m "Upgrade $package from $current to $wanted" -- "package.json" "yarn.lock"
        else
          echo "Tests failed"
        fi
      else
        echo "Build failed"
      fi
    else
      echo "Upgrade failed"
    fi
  else
    echo "Skipping"
  fi
done