yarn install --production brokenness

debug-installs.sh

#!/bin/bash

toplevel=$(pwd)

createPackageJson() {
  dir=$1
  cmd="$2"
  nodeps=$3
  file="${dir}/package.json"

  if [[ -z "$nodeps" ]]; then
  cat <<EOF > $file
{
  "name": "bad-deps-${dir}",
  "version": "1.0.0",
  "description": "illustration of '${cmd}' WITH dev dependencies ",
  "main": "index.js",
  "scripts": { "test": "echo \"Error: no test specified\" && exit 1" },
  "author": "",
  "license": "ISC",
  "dependencies": { "json-stringify-safe": "^5.0.1" },
  "devDependencies": { "ava": "^0.19.0", "aws-sdk": "^2.2.0", "nyc": "^10.3.2", "sequelize-cli": "^2.7.0", "serverless": "^1.13.1", "sinon": "^2.2.0" }
}
EOF
  else
    cat <<EOF > $file
{
  "name": "bad-deps-${dir}",
  "version": "1.0.0",
  "description": "illustration of '${cmd}' WITHOUT dev dependencies",
  "main": "index.js",
  "scripts": { "test": "echo \"Error: no test specified\" && exit 1" },
  "author": "",
  "license": "ISC",
  "dependencies": { "json-stringify-safe": "^5.0.1" }
}
EOF
  fi
}

runTest() {
  dir=$1
  cmd="$2"
  nodeps=$3
  ( printf "======= $cmd (./$dir/) :\n" \
    && mkdir $dir \
    && createPackageJson $dir "$cmd" $nodeps \
    && cd $dir \
    && eval "$cmd" > ./install.stdout 2>./install.stderr \
    && printf 'Size of node_modules: ' \
    && du -hs node_modules \
    && printf 'Number of folders in node_modules: ' \
    && (find node_modules -depth 1 -type d | wc -l) \
    && printf 'Number of folders in node_modules (recursively): ' \
    && (find node_modules -type d | wc -l) \
    && printf '\n\n' \
    || exit 1
  )
}

runTest test.npm.dev.withdevdeps "npm install"
runTest test.npm.dev.nodevdeps "npm install" true
runTest test.yarn.dev.withdevdeps "yarn install"
runTest test.yarn.dev.nodevdeps "yarn install" true

runTest test.npm.prod.withdevdeps "npm install --production"
runTest test.npm.prod.nodevdeps "npm install --production" true
runTest test.yarn.prod.withdevdeps "yarn install --production"
runTest test.yarn.prod.nodevdeps "yarn install --production" true

mkdir -p $toplevel/why-explanations

for i in $(find test.yarn.prod.withdevdeps/node_modules -type d -depth 1 | cut -d/ -f3-); do
  trg="$toplevel/why-explanations/$i.txt"
  printf "##### $i\n" > $trg
  (cd $toplevel/test.yarn.prod.withdevdeps && yarn why $i | grep depends | sed 's/^[^"]*"/"/') >> $trg
  cat $trg
  printf "\n"
done

echo
md5 test.*/yarn.lock