Add CI (PAN-15152) #4

	name: CI

	on:
	push:
	branches:
	- main

	pull_request:
	types:
	- opened
	- synchronize
	- reopened
	- ready_for_review

	merge_group:

	workflow_dispatch:

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.number \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/[email protected]

	- name: Setup Node.js
	uses: actions/[email protected]
	with:
	node-version: 18
	cache: npm
	cache-dependency-path: "**/package-lock.json"

	- name: Install dependencies
	run: npm ci

	- name: Build
	run: npm run build

	test:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/[email protected]

	- name: Setup Node.js
	uses: actions/[email protected]
	with:
	node-version: 18
	cache: npm
	cache-dependency-path: "**/package-lock.json"

	- name: Install dependencies
	run: npm ci

	- name: Test
	run: npm test

	readmes:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/[email protected]

	- name: Setup Node.js
	uses: actions/[email protected]
	with:
	node-version: 18
	cache: npm
	cache-dependency-path: "**/package-lock.json"

	- name: Install dependencies
	run: npm ci

	- name: Generate readmes
	run: npm run generate-readmes

	- name: Check that READMEs are up to date
	run: \|
	changed_files=$(git status -s -- '**/README.md' \| cut -c4-)
	if [[ -n "$changed_files" ]]; then
	echo "Changes detected in `README.md` files:"
	echo "$changed_files"
	echo "Run `npm run generate-readmes` to update them."
	exit 1
	fi

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