Script for preparing and debloating React projects

prepare.sh

#!/usr/bin/env bash

# Small convenience script for preparing a React project
# (C) 2019 - Jonatan Hamberg

copy_if_present() {
    if [ -e "$1" ] && [ -e "$2" ]; then
        cp "$1" "$2"
    fi
}

# Check arguments
if [ $# -eq 0 ]; then
    echo "Usage: $0 [PROJECT]"
    exit 1
fi

# Verify target exists
if [ ! -e "$1/package.json" ]; then
    echo "Error: $1 is not a valid project!"
    exit 1
fi

# Copy custom template files
copy_if_present ".eslintrc.js" "$1/"
copy_if_present "App.js" "$1/src/"
copy_if_present "index.js" "$1/src/"

# Change work directory
pushd "$1" > /dev/null

# Remove git repository
if [ -e ".git" ]; then
    rm -rf .git
fi

# Remove unnecessary files
rm README.md
rm src/App.css
rm src/App.test.js
rm src/logo.svg
rm src/serviceWorker.js

# Install plugins
npm i -D eslint-plugin-react
npm i -D eslint-plugin-jest
npm i -D babel-eslint
npm i -D jest-dom
npm i -D react-testing-library

# Install linter
if [ -e ".eslintrc.js" ]; then
    npm i -D eslint
else
    npx eslint --init
fi

# Restore work directory
popd > /dev/null

echo "Success!"