Creates an NPM package project

make_package.sh

set -e

PACKAGE_NAME=$1
GIT_REMOTE=$2
DESCRIPTION=$3

TEST_DIR=__tests__

if [[ -z $PACKAGE_NAME ]]; then
  echo "No package name provided"
  exit 1
fi
if [[ -z $GIT_REMOTE ]]; then
  echo "No git remote provided"
  exit 1
fi
if [[ -z $DESCRIPTION ]]; then
  echo "No description provided"
  exit 1
fi

echo "Node version"
NODE_VERSION=$(node -v)
echo $NODE_VERSION

NODE_MAJOR_VERSION=$(echo $NODE_VERSION | tr -d 'v' | cut -d '.' -f 1)

echo "NPM version"
NPM_VERSION=$(npm -v)
echo $NPM_VERSION

echo "Making package directory"
mkdir $PACKAGE_NAME
cd $PACKAGE_NAME

mkdir $TEST_DIR

echo "Initializing git repository"
git init .
git remote add origin $GIT_REMOTE

echo "Initializing package.json and dependencies"
npm init -y \
  --init-version "0.0.1" \
  --init-license "MIT" \
  &> /dev/null
npm install --save-dev jest eslint eslint-config-msrose

echo "Updating package.json"
DESCRIPTION=$DESCRIPTION NODE_MAJOR_VERSION=$NODE_MAJOR_VERSION node --eval \
  "var config = require('./package.json'); \
  config.description = process.env.DESCRIPTION; \
  config.scripts.test = 'jest'; \
  config.scripts.lint = 'eslint .'; \
  config.jest = { testPathIgnorePatterns: ['/node_modules/', '.eslintrc'] }; \
  config = JSON.stringify(config, null, 2); \
  console.log(config); \
  require('fs').writeFileSync('./package.json', config);" \

echo "Writing index.js"
cat > index.js <<EOF
module.exports = '$PACKAGE_NAME';
EOF

echo "Writing $TEST_DIR/index.js"
cat > $TEST_DIR/index.js <<EOF
describe('$PACKAGE_NAME', () => {
  it('runs a test', () => {
    expect(1 + 1).toBe(2);
  });
});
EOF

echo "Writing eslint files"
cat > .eslintrc.js <<EOF
module.exports = {
  env: {
    node: true,
    es6: true
  },
  parserOptions: {
    ecmaVersion: 6
  },
  extends: 'msrose'
};
EOF

cat > $TEST_DIR/.eslintrc.js <<EOF
module.exports = {
  env: {
    jest: true
  }
};
EOF

echo "Writing gitignore"
cat > .gitignore <<EOF
node_modules
npm-debug.log
EOF

echo "Writing travis config"
cat > .travis.yml <<EOF
language: node_js
node_js:
  - "$NODE_MAJOR_VERSION"
script:
  - npm run lint
  - npm test
EOF

echo "Writing npmignore"
cat > .npmignore <<EOF
__tests__
.eslintrc.js
.gitignore
.travis.yml
EOF

echo "Writing README"
cat > README.md <<EOF
# $PACKAGE_NAME
$DESCRIPTION
EOF

echo "Writing LICENSE"
cat > LICENSE <<EOF
MIT License

Copyright (c) $(date +"%Y") $(npm config get init-author-name)

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
EOF

git add .
git commit -m "Set up package"