Add vitest and fix memory leak #2

	name: CI

	on:
	pull_request:
	branches:
	- master
	- beta

	concurrency:
	group: ci-${{ github.workflow }}-${{ github.event.pull_request.number }}
	cancel-in-progress: true

	jobs:
	test:
	name: Lint, unit, build
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup node
	uses: actions/setup-node@v4
	with:
	node-version: 22
	cache: 'npm'
	- name: Upgrade npm
	# The lock file is generated by npm >= 11 locally; bump the runner's
	# npm so its lock-file expectations match before running npm ci.
	run: npm install -g npm@latest
	- name: Install dependencies
	run: npm ci
	- name: Test
	run: npm run test

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