Old Node.js Compatibility #1666

	name: Old Node.js Compatibility
	on:
	push:
	branches:
	- main
	paths:
	- 'api/**'
	- '.github/workflows/backcompat.yml'
	pull_request:
	paths:
	- 'api/**'
	- '.github/workflows/backcompat.yml'
	merge_group:
	paths:
	- 'api/**'
	- '.github/workflows/backcompat.yml'

	permissions:
	contents: read

	jobs:
	backcompat:
	name: 'backcompat: ${{ matrix.package }} on Node.js ${{ matrix.node-version }}'
	strategy:
	fail-fast: false
	matrix:
	include:
	- package: api
	node-version: '8'
	script: test/backcompat/node8-compat.js
	runs-on: ubuntu-latest
	env:
	PACKAGE: ${{ matrix.package }}
	NODE_VERSION: ${{ matrix.node-version }}
	SCRIPT: ${{ matrix.script }}
	steps:
	- name: Checkout
	uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6.1.0
	with:
	persist-credentials: false

	# Use a modern Node.js to install dependencies and compile TypeScript.
	- name: Setup Node.js (compile)
	uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
	with:
	node-version: ^26.3.0
	cache: 'npm'
	cache-dependency-path: package-lock.json

	- name: Bootstrap
	run: npm ci --ignore-scripts

	- name: Compile
	run: npm run compile

	# Switch to the target old Node.js and run the standalone plain-JS smoke
	# test. Package is already compiled and dependencies are already installed.
	- name: Setup Node.js ${{ env.NODE_VERSION }} (test)
	uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6.5.0
	with:
	node-version: ${{ env.NODE_VERSION }}

	- name: Run compatibility smoke test
	run: node "$SCRIPT"
	working-directory: ${{ env.PACKAGE }}

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