ci: add trusted-publishing workflow for npm

1 files changed, 28 insertions, 0 deletions

diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..8ad665c
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,28 @@
+name: Publish to npm
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  id-token: write  # required for OIDC trusted publishing
+  contents: read
+
+jobs:
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          registry-url: https://registry.npmjs.org
+          cache: npm
+
+      - run: npm ci
+
+      # prepublishOnly already runs tsc --noEmit
+      - run: npm publish