Merge pull request #29 from joshbuddy/webp #43

	name: Node.js CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	build:

	runs-on: ubuntu-latest

	strategy:
	matrix:
	node: [14, 16, 18]

	steps:
	- uses: actions/checkout@v3
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node }}
	- name: Install dependencies
	run: npm ci
	- name: Check linting
	run: npm run lint
	- name: Copy previous build
	run: cp index.js previous.js
	- name: Build new javascript version
	run: npm run build
	- name: Check build is up-to-date
	run: diff -q previous.js index.js
	- name: Run tests
	run: npm run test
	- name: Install exiftool
	run: sudo apt-get install -y exiftool
	- uses: actions/cache@v3
	id: cache-exif-samples
	with:
	path: exif-samples
	key: exif-samples
	- uses: actions/cache@v3
	id: cache-metadata-extractor-images
	with:
	path: metadata-extractor-images
	key: metadata-extractor-images
	- name: Run large sample suite
	run: npm run test:samples

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