Add CI workflow

Signed-off-by: macdonst <[email protected]>

.github/workflows/ci.yml

@@ -0,0 +1,61 @@
+name: Node CI
+
+# Push tests commits; pull_request tests PR merges
+on: [ push, pull_request ]
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+
+  test:
+    # Setup
+    runs-on: ubuntu-latest
+    # Go
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          registry-url: https://registry.npmjs.org/
+
+      - name: Install
+        run: npm ci
+
+  # ----- Only git tag testing + package publishing beyond this point ----- #
+
+  # Publish to package registries
+  publish:
+    # Setup
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+
+    # Go
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          registry-url: https://registry.npmjs.org/
+
+      - name: Install
+        run: npm ci
+
+      # Publish to npm
+      - name: Publish @RC to npm
+        if: contains(github.ref, 'RC')
+        run: npm publish --tag RC --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Publish @latest to npm
+        if: contains(github.ref, 'RC') == false #'!contains()'' doesn't work lol
+        run: npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+