Added the expire-old-content.js script #31

	name: React Build Check

	permissions:
	contents: write

	on:
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Determine Workflow Branch
	run: echo "TARGET_BRANCH=${{ github.event.pull_request.head.ref \|\| github.ref_name }}" >> $GITHUB_ENV

	- name: Switch to Workflow Branch
	run: git checkout ${{ env.TARGET_BRANCH }}

	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: "18"

	- name: Install dependencies
	run: npm i

	- name: Build React app
	run: CI=true npm run build

	- name: Upload post-build repo state
	uses: actions/upload-artifact@v4
	with:
	name: "Repo after Build"
	path: ./

	- name: Upload Pages Artifact
	uses: actions/upload-pages-artifact@v3
	with:
	path: ./build

	- name: Upload extra artifacts
	uses: actions/upload-artifact@v4
	with:
	name: webpify-results
	path: ./webp-conversion-results.json

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