Drop closable, which isn't synchronised to the main area. #17

	name: Packaging

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- '*'

	env:
	PIP_DISABLE_PIP_VERSION_CHECK: 1

	defaults:
	run:
	shell: bash -e {0}

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Base Setup
	uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
	- name: Install dependencies
	run: \|
	pip install .[dev]
	- name: Build pypi distributions
	run: \|
	hatch build
	- name: Build npm distributions
	run: \|
	npm pack
	cp *.tgz dist
	- name: Build checksum file
	run: \|
	cd dist
	sha256sum * \| tee SHA256SUMS
	- name: Upload distributions
	uses: actions/upload-artifact@v4
	with:
	name: dist ${{ github.run_number }}
	path: ./dist

	install:
	runs-on: ${{ matrix.os }}-latest
	needs: [build]
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu, macos, windows]
	python: ['3.11', '3.12']
	steps:
	- name: Install Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	architecture: 'x64'
	- uses: actions/download-artifact@v4
	with:
	name: dist ${{ github.run_number }}
	path: ./dist
	- name: Install the package
	run: \|
	cd dist
	pip install ipylab*.whl
	- name: Validate environment
	run: \|
	pip freeze
	pip check
	- name: Validate the install
	run: \|
	jupyter labextension list
	jupyter labextension list 2>&1 \| grep -ie "ipylab.enabled.ok" -

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