Update showcase.ts #1133

	name: ESLint
	on:
	workflow_dispatch:
	pull_request:
	push:
	branches:
	- '*'
	- '!docs'
	- '!gh-pages'
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true
	jobs:
	test:
	name: ESLint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Install Node v18
	uses: actions/setup-node@v1
	with:
	node-version: 20

	- name: Cache yarn
	uses: actions/cache@v3
	with:
	path: .yarn/cache
	key: yarn-cache-node-20

	- name: Install dependencies
	run: yarn install --immutable

	- name: Build
	run: yarn build

	- name: Run ESLint
	run: yarn lint

	- name: Run TSC
	run: yarn build:check

	- name: Run Unit Tests
	run: yarn test

Provide feedback