ci: initial build & publish workflow #3

	name: Build & Push

	on:
	workflow_dispatch:
	push:
	branches:
	- "main"
	release:
	types: [published]

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.sha }}-${{ github.event_name }}
	cancel-in-progress: true

	defaults:
	run:
	shell: bash

	jobs:
	build_and_push:
	runs-on: ubuntu-latest
	name: Build and publish
	steps:
	- name: "Fetch all required Git history"
	uses: actions/checkout@v4
	with:
	fetch-depth: 2

	- name: Setup PNPM
	uses: pnpm/action-setup@v4
	with:
	package_json_file: package.json

	- name: Setup Node.js environment
	uses: actions/setup-node@v4
	with:
	node-version-file: package.json
	cache: pnpm
	cache-dependency-path: pnpm-lock.yaml

	- name: Install dependencies
	run: pnpm install --frozen-lockfile

	- name: Build library
	run: pnpm run build

	- name: Publish package
	run: \|
	cd dist

	CURRENT_VERSION=$(grep --only-matching --perl-regexp '"version":\s*"\K[^"]+' package.json)
	TARGET_VERSION="$CURRENT_VERSION-sha.${{github.sha}}"

	if pnpm view multiprovider@"${TARGET_VERSION}" > /dev/null 2>&1; then
	echo "Version already exists. Skipping publish."
	else
	pnpm version ${TARGET_VERSION}
	pnpm config set //registry.npmjs.org/:_authToken ${NODE_AUTH_TOKEN}
	pnpm publish --access public --no-git-checks
	fi
	env:
	NODE_AUTH_TOKEN: ${{ secrets.NODE_AUTH_TOKEN }}

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