maintenance: add dev publication workflow (#134) #1

	name: Publish package to GitHub Packages
	on:
	push:
	branches:
	- main
	workflow_dispatch:

	jobs:
	publish:
	# Forbid manual execution on non-main branches
	if: github.ref_name == 'main'
	runs-on: ubuntu-latest
	permissions:
	contents: read
	packages: write
	steps:
	-
	uses: actions/checkout@v4
	-
	# Setup .npmrc file to publish to GitHub Packages
	uses: actions/setup-node@v3
	with:
	node-version: '20.x'
	registry-url: 'https://npm.pkg.github.com'
	# Defaults to the user or organization that owns the workflow file
	scope: '@datalayer'
	-
	if: github.event_name == 'push'
	# Bump the version
	working-directory: packages/react
	run: \|
	yarn install
	npm version --preid dev --no-git-tag-version prerelease

	git config --global user.name "github-actions[bot]"
	git config --global user.email "github-actions[bot]@users.noreply.github.com"
	git commit -a -m "Bump pre release version"
	-
	working-directory: packages/react
	run: yarn npm publish
	env:
	NODE_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	-
	if: github.event_name == 'push'
	# Push version bump
	run: \|
	git push

	# Keep only the 3 latest pre releases
	- uses: actions/delete-package-versions@v4
	with:
	package-name: '@datalayer/jupyter-react'
	package-type: 'npm'
	min-versions-to-keep: 3
	delete-only-pre-release-versions: "true"

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