Try to make a workflow for publishing to NPM (mostly copied over from…

… dbos-transact)

.github/workflows/publish_npm.yml

@@ -0,0 +1,57 @@
+name: Publish current branch to npm
+
+on:
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    strategy:
+      matrix:
+        package: [
+          .
+        ]
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+        with:
+          fetch-depth: 0 # fetch-depth 0 needed for NBGV
+      - name: Use Node.js 20
+        uses: actions/[email protected]
+        with:
+          node-version: 20
+      - name: Nerdbank.GitVersioning
+        id: nbgv
+        uses: dotnet/[email protected]
+        with:
+          stamp: ${{ matrix.package }}/package.json
+      - run: npm ci
+      - run: cd ${{ matrix.package }}; npm run build
+      - name: Publish release to npm
+        uses: JS-DevTools/npm-publish@v3
+        id: npmrelease
+        # boolean properties from NBGV step appears to be converted into *capitalized* strings
+        # so explicitly string compare PublicRelease output value
+        if: ${{ steps.nbgv.outputs.PublicRelease == 'True'}}
+        with:
+          token: ${{ secrets.NPM_PUBLISH }}
+          registry: https://registry.npmjs.org/
+          tag: ${{ steps.nbgv.outputs.PrereleaseVersion == '' && 'latest' || 'preview' }}  # Assign a 'preview' tag to versions end with '-preview'. Otherwise, assign a 'latest' tag to the latest release.
+          access: public
+          package: ${{ matrix.package }}
+      - name: Publish test package to npm
+        uses: JS-DevTools/npm-publish@v3
+        id: npmtest
+        if: ${{ steps.nbgv.outputs.PublicRelease == 'False'}}
+        with:
+          token: ${{ secrets.NPM_PUBLISH }}
+          registry: https://registry.npmjs.org/
+          tag: 'test'
+          access: public
+          package: ${{ matrix.package }}
+      - if: ${{ steps.npmrelease.outputs.type }}
+        run: echo "Published a new release package!"
+      - if: ${{ steps.npmtest.outputs.type }}
+        run: echo "Published a new test package!"