docs: add typescript version range decision #870

	name: ci

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

	jobs:
	# Builds the library and persists it as an artifact.
	# Later jobs can then reuse that build artifact, skipping
	# the build step.
	build:
	runs-on: macos-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 16

	- uses: pnpm/action-setup@v2
	with:
	version: 7.12

	- name: Install dependencies
	run: pnpm install --frozen-lockfile

	- name: Unit tests
	run: pnpm test:unit

	- name: Build
	run: pnpm build

	- name: Node.js tests
	run: pnpm test:node

	- name: Browser tests
	run: pnpm test:browser

	- name: Upload test artifacts
	if: always()
	uses: actions/upload-artifact@v3
	with:
	name: playwright-report
	path: test/browser/test-results

	# Checks the library's compatibility with different
	# TypeScript versions to discover type regressions.
	typescript:
	runs-on: macos-latest
	# Skip TypeScript compatibility check on "main".
	# A merged pull request implies passing "typescript" job.
	if: github.ref != 'refs/heads/main'
	strategy:
	fail-fast: false
	matrix:
	ts: ['4.4', '4.5', '4.6', '4.7', '4.8', '4.9', '5.0', '5.1']
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 16

	- uses: pnpm/action-setup@v2
	with:
	version: 7.12

	- name: Install dependencies
	run: pnpm install

	- name: Install TypeScript ${{ matrix.ts }}
	run: pnpm add typescript@${{ matrix.ts }}

	- name: Build
	run: pnpm build

	- name: Typings tests
	run: \|
	pnpm tsc --version
	pnpm test:ts

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