perf(core): convert `for..in` to `Object.keys().forEach` for better perf #1323

	name: CI Build
	on:
	# Trigger the workflow on push or pull request,
	# but only for the master branch on Push and any branches on PR
	push:
	branches:
	- master
	- next
	pull_request:
	branches:
	- '**'
	env:
	CI: true

	jobs:
	run:
	name: Node ${{ matrix.node }}
	runs-on: ubuntu-latest

	strategy:
	fail-fast: false
	matrix:
	# define which version of NodeJS to run the build
	node: [18]

	steps:
	- name: Clone repository
	uses: actions/checkout@v3
	with:
	fetch-depth: 3

	- uses: actions/cache@v3
	with:
	path: ~/.npm
	key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Set Node.js version
	uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node }}

	- run: node --version
	- run: npm --version

	- name: Install npm dependencies
	run: npm install --legacy-peer-deps

	- name: Prod Build with TS Types
	run: npm run build:prod

	- name: Start HTTP Server
	run: npm run serve:demo &

	- name: Run Cypress E2E tests
	uses: cypress-io/github-action@v5
	with:
	# wait-on: 'http://localhost:8080'
	browser: chrome
	config-file: cypress/cypress.config.ts

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