chore: skip publish if version already exists #5

	name: Publish to npm

	on:
	push:
	branches:
	- main
	paths-ignore:
	- '**.md'
	- '.gitignore'

	jobs:
	publish:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	id-token: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup Bun
	uses: oven-sh/setup-bun@v2
	with:
	bun-version: latest

	- name: Install dependencies
	run: bun install

	- name: Build
	run: bun run build

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '24'
	registry-url: 'https://registry.npmjs.org'

	# Check if version already published
	- name: Check if version exists
	id: version-check
	run: \|
	PACKAGE_NAME=$(node -p "require('./package.json').name")
	PACKAGE_VERSION=$(node -p "require('./package.json').version")
	if npm view "${PACKAGE_NAME}@${PACKAGE_VERSION}" version 2>/dev/null; then
	echo "exists=true" >> $GITHUB_OUTPUT
	echo "Version ${PACKAGE_VERSION} already published, skipping..."
	else
	echo "exists=false" >> $GITHUB_OUTPUT
	echo "Version ${PACKAGE_VERSION} not found, will publish..."
	fi

	# Trusted Publishing via OIDC - no token needed!
	# See: https://docs.npmjs.com/trusted-publishers/
	- name: Publish to npm
	if: steps.version-check.outputs.exists == 'false'
	run: npm publish --access public --provenance

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