Fixed up for packaging and added Swift demo app. #24

	name: build-javascript

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

	defaults:
	run:
	working-directory: ./javascript/

	concurrency:
	# cancel jobs on PRs only
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: ['18.x', '20.x']

	steps:
	- uses: actions/checkout@v3
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v3
	with:
	node-version: ${{ matrix.node-version }}
	cache: 'npm'
	cache-dependency-path: './javascript/package-lock.json'
	- name: Install dependencies
	run: npm ci
	- name: Lint
	run: npm run lint
	- name: Prettier code style check
	run: npm run prettier:check
	- name: Unit test
	run: npm run test
	- name: Build
	run: npm run build
	- name: Pack
	run: npm pack

Provide feedback