Regression checks #78

	name: Regression checks
	on:
	push:
	branches:
	- '**'
	schedule: # Weekly runs to pick up on bitrot
	- cron: '37 23 * * 0'

	defaults:
	run:
	shell: bash

	jobs:
	checks:
	name: Checks
	runs-on: ubuntu-latest
	strategy:
	matrix:
	node-version: [9.11.2, lts/*, latest]
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Setup nodejs ${{matrix.node-version}}
	uses: actions/setup-node@v4
	with:
	node-version: ${{matrix.node-version}}
	cache: 'npm'
	- name: Install packages
	run: npm ci \|\| npm install # 9.11.2 doesn't grok "ci"
	- name: Syntax check
	run: npm run check
	- name: Regression tests
	run: npm run test
	- name: Package audit
	if: matrix.node-version == 'latest'
	run: npm audit

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