Tests

add eslint & ci #4

	# Runs the test suite and the linter on every push and pull request.
	#
	# `npm test` loads every module, checks it parses and imports, and exercises the
	# duplicate-handling and navigation-index logic. `npm run lint` runs ESLint over
	# the extension source.
	#
	# The comparator (`npm run test:compare`) is not here. It needs a reachable
	# 4CAT, an API key and dataset keys, so it stays a local step.
	#
	# This runs on draft pull requests too. 4CAT opens its map_item sync pull
	# requests as drafts, and those are the ones this is here to check.

	name: Tests

	on:
	push:
	branches: [master]
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	# Pushing again to a branch cancels the run still going for the commit before it.
	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	name: Tests and lint
	runs-on: ubuntu-latest
	# The job takes well under a minute. This caps a hung step.
	timeout-minutes: 10
	defaults:
	run:
	# The only package.json with dependencies and scripts lives here. The
	# lint script steps up to the root itself.
	working-directory: tests
	steps:
	- name: Check out Zeeschuimer
	uses: actions/checkout@v4

	- name: Set up Node
	uses: actions/setup-node@v4
	with:
	node-version: '24'
	cache: npm
	cache-dependency-path: tests/package-lock.json

	- name: Install dependencies
	run: npm ci

	- name: Run tests
	run: npm test

	# Runs even when the tests above failed, so one run reports both.
	- name: Run linter
	if: '!cancelled()'
	run: npm run lint

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