add snapshot publishing

Author: nikgraf

.github/workflows/publish-snapshot.yml

@@ -0,0 +1,28 @@
+name: Publish Snapshot
+
+on:
+  pull_request:
+    branches: [main, ng/changesets-and-publishing]
+
+jobs:
+  snapshot:
+    name: Publish Snapshot
+    if: github.repository_owner == 'geobrowser'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v3
+        with:
+          version: 9
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: "package.json"
+          cache: "pnpm"
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+      - name: Build
+        run: pnpm build
+      - name: Create snapshot
+        id: snapshot
+        run: pnpx [email protected] publish --pnpm --comment=off ./packages/*

.github/workflows/tests-and-checks.yml

@@ -7,7 +7,7 @@ jobs:
     name: Install deps, build required package, typecheck, lint and test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v3
         with:
           version: 9

package.json

@@ -18,6 +18,7 @@
     "babel-plugin-annotate-pure-calls": "^0.5.0",
     "@changesets/cli": "^2.27.11",
     "glob": "^11.0.1",
+    "pkg-pr-new": "^0.0.39",
     "typescript": "^5.7.3",
     "vitest": "^3.0.1"
   }