Node

[stable30] ci: Attempt to make cypress tests more stable with a unified wait for close #8125

	# This workflow is provided via the organization template repository
	#
	# https://github.com/nextcloud/.github
	# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
	#
	# SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
	# SPDX-License-Identifier: MIT
	name: Node

	on:
	pull_request:
	push:
	branches:
	- main
	- master
	- stable*

	jobs:
	build:
	runs-on: ubuntu-latest

	name: node
	steps:
	- name: Checkout
	uses: actions/checkout@v2

	- name: Read package.json node and npm engines version
	uses: skjnldsv/read-package-engines-version-actions@v1.1
	id: versions
	with:
	fallbackNode: '^12'
	fallbackNpm: '^6'

	- name: Set up node ${{ steps.versions.outputs.nodeVersion }}
	uses: actions/setup-node@v2
	with:
	node-version: ${{ steps.versions.outputs.nodeVersion }}

	- name: Set up npm ${{ steps.versions.outputs.npmVersion }}
	run: npm i -g npm@"${{ steps.versions.outputs.npmVersion }}"

	- name: Install dependencies & build
	run: \|
	npm ci
	npm run build --if-present

	- name: Check webpack build changes
	run: \|
	bash -c "[[ ! \"`git status --porcelain `\" ]] \|\| exit 1"

	- name: Show changes on failure
	if: failure()
	run: \|
	git status
	git --no-pager diff

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