Update check-dist.yml workflow with template.

.github/workflows/check-dist.yml

@@ -1,9 +1,13 @@
-# `dist/index.js` is a special file in Actions.
-# When you reference an action with `uses:` in a workflow,
-# `index.js` is the code that will run.
-# For our project, we generate this file through a build process from other source files.
-# We need to make sure the checked-in `index.js` actually matches what we expect it to be.
-name: Check dist/
+# In TypeScript actions, `dist/` is a special directory. When you reference
+# an action with the `uses:` property, `dist/index.js` is the code that will be
+# run. For this project, the `dist/index.js` file is transpiled from other
+# source files. This workflow ensures the `dist/` directory contains the
+# expected transpiled code.
+#
+# If this workflow is run from a feature branch, it will act as an additional CI
+# check and fail if the checked-in `dist/` directory does not match what is
+# expected from the build.
+name: Check Transpiled JavaScript
 
 on:
   push:
@@ -16,40 +20,57 @@ on:
     paths-ignore:
       - '**.md'
   workflow_dispatch:
+
 permissions:
   contents: read
 
 jobs:
   check-dist:
+    name: Check dist/
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v4
 
-      - name: Set Node.js 20.x
+      - name: Setup Node.js
+        id: setup-node
         uses: actions/setup-node@v4
         with:
-          node-version: 20.x
+          node-version-file: .node-version
           cache: npm
 
-      - name: Install dependencies
+      - name: Install Dependencies
+        id: install
         run: npm ci
 
-      - name: Rebuild the dist/ directory
-        run: npm run build
+      - name: Build dist/ Directory
+        id: build
+        run: npm run bundle
 
-      - name: Compare the expected and actual dist/ directories
+      # This will fail the workflow if the `dist/` directory is different than
+      # expected.
+      - name: Compare Directories
+        id: diff
         run: |
-          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
-            echo "Detected uncommitted changes after build.  See status below:"
-            git diff
+          if [ ! -d dist/ ]; then
+            echo "Expected dist/ directory does not exist.  See status below:"
+            ls -la ./
+            exit 1
+          fi
+          if [ "$(git diff --ignore-space-at-eol --text dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build. See status below:"
+            git diff --ignore-space-at-eol --text dist/
             exit 1
           fi
-        id: diff
 
-      # If index.js was different than expected, upload the expected version as an artifact
-      - uses: actions/upload-artifact@v4
-        if: ${{ failure() && steps.diff.conclusion == 'failure' }}
+      # If `dist/` was different than expected, upload the expected version as a
+      # workflow artifact.
+      - if: ${{ failure() && steps.diff.outcome == 'failure' }}
+        name: Upload Artifact
+        id: upload
+        uses: actions/upload-artifact@v4
         with:
           name: dist
           path: dist/

.node-version

@@ -0,0 +1 @@
+20.9.0