set up npm workspace #1

	name: Build and Format Check

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build-and-format:
	runs-on: ubuntu-latest

	defaults:
	run:
	working-directory: javascript

	steps:
	- uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	cache: 'npm'
	cache-dependency-path: javascript/package-lock.json

	- name: Install dependencies
	run: npm ci

	- name: Build
	run: npm run build

	- name: Format
	run: npm run format

	- name: Check for uncommitted changes
	run: \|
	if [[ -n "$(git status --porcelain)" ]]; then
	echo "There are uncommitted changes after formatting. Please run 'npm run format' locally and commit the changes."
	git status
	git diff
	exit 1
	fi

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