ci: add check to verify entrypoint files (#1080)

* ci: add check to verify entrypoint files

* fix: set production node env

* test: update test coverage

---------

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: Cafe137

.github/workflows/entrypoint.yaml

@@ -0,0 +1,36 @@
+name: Entrypoint
+
+on:
+  push:
+    branches:
+      - 'master'
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  entrypoint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+
+      - name: Install npm deps
+        run: npm ci
+
+      - name: Build project
+        run: npm run build
+        env:
+          NODE_ENV: production
+
+      - name: Create npm package
+        run: npm pack
+
+      - name: Verify package entrypoint files
+        run:
+          npx npxie eval-and-expect "tar -tf *.tgz"
+          "package/package.json|package/dist/cjs/index.js|package/dist/mjs/index.js|package/dist/index.browser.min.js|package/dist/types/index.d.ts"
+          "|"