git-helpers/node-init-typescript at master · jambolo/git-helpers · GitHub

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#!/usr/bin/env bash
#
# This bash script automates the creation of a new TypeScript node.js project with NPM.

set -e  # Exit on error

if [ $# -ne 0 ]; then
    echo "Usage: node-init-typescript"
    echo "Initializes a new TypeScript Node.js project."
    exit 1
fi

echo "*** Creating git repo ..."
git init
git commit --allow-empty -m "New repo"

echo
echo "*** Creating .gitignore ..."
npx gitignore node
cat >> .gitignore << 'EOF'
dist/

# Claude AI
.claude/

# VS Code
.vscode/
EOF
git add --all
git commit -m "Added TypeScript default .gitignore"

echo
echo "*** Creating MIT license ..."
npx license MIT
git add --all
git commit -m "Added MIT License"

echo
echo "*** Creating default README.md ..."
cat > README.md << EOF
# $(basename "$PWD")
EOF
git add --all
git commit -m "Added default README.md"

echo
echo "*** Initializing node.js project ..."
npm init -y
npm install
git add --all
git commit -m "Added default package.json and package-lock.json"

echo
echo "*** Installing TypeScript dependencies ..."
npm install --save-dev typescript @types/node tsx vitest

echo
echo "*** Creating tsconfig.json ..."
cat > tsconfig.json << 'EOF'
{
  "compilerOptions": {
    "target": "ES2020",
    "module": "commonjs",
    "rootDir": "./src",
    "outDir": "./dist",
    "strict": true,
    "esModuleInterop": true,
    "skipLibCheck": true
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules", "dist"]
}
EOF

echo
echo "*** Creating project structure ..."
mkdir -p src/lib  # git does not track empty directories; add files here as needed

echo
echo "*** Updating package.json scripts ..."
npm pkg set scripts.build="tsc"
npm pkg set scripts.test="vitest"
npm pkg set scripts.test:run="vitest --run"

echo
echo "*** Creating .vscode/launch.json ..."
mkdir -p .vscode
cat > .vscode/launch.json << 'EOF'
{
  "version": "0.2.0",
  "configurations": [
    {
      "type": "node",
      "request": "launch",
      "name": "Debug current file",
      "runtimeExecutable": "tsx",
      "runtimeArgs": ["${file}"],
      "skipFiles": ["<node_internals>/**"]
    }
  ]
}
EOF

git add --all
git commit -m "Added TypeScript configuration"