Polyfill `Symbol.metadata`, `DecoratorContext.metadata` #88

	name: Continuous Integration

	on:
	push:
	branches:
	- main
	workflow_dispatch:
	workflow_call:
	pull_request:

	jobs:
	ci:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	name: ${{ matrix.os }}
	permissions:
	contents: read
	id-token: write
	defaults:
	run:
	shell: bash
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 18

	- name: Install dependencies
	run: npm install

	- name: Formatting
	run: npm run format:check

	- name: Linting
	run: npm run lint

	- name: Build
	run: npm run build
	docs:
	needs: ci
	runs-on: ubuntu-latest
	name: Docs build and deploy
	permissions:
	contents: write
	id-token: write
	pages: write
	environment:
	name: github-pages
	url: ${{ steps.deploy.outputs.page_url }}
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Set up Node.js
	uses: actions/setup-node@v3
	with:
	node-version: 18

	- name: Install dependencies
	run: npm install

	- name: Build docs
	run: npm run build:docs

	- name: Upload docs artifact
	uses: actions/upload-pages-artifact@v3
	if: github.event_name != 'pull_request'
	with:
	path: ./docs
	- name: 'Deploy docs'
	id: deploy
	if: github.event_name != 'pull_request'
	uses: actions/deploy-pages@v4

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