Pipe percy stderr to GHA console; fix standalone index being snapshot…

…ted by Percy

.github/actions/percy-snapshot/action.yml

@@ -87,13 +87,12 @@ runs:
         # If PR number is set & a Percy-GHA integration is set up, this allows Percy to set status on the PR
         PERCY_PULL_REQUEST: ${{ inputs.pr_number }}
       run: |
-        set -e
-        # Start a percy build and capture the stdout
-
         # Start a percy build and capture the stdout and stderr
-        percy_output=$(yarn percy 2>&1)
-        
-        echo "$percy_output"
+        percy_output=$(
+          {
+            yarn percy 2>&1
+          } | tee /dev/stderr
+        )
         
         # Fail if the Percy stdout contains "Build not created"
         if echo "$percy_output" | grep -q "Build not created"; then
@@ -105,6 +104,8 @@ runs:
         
         # Extract the build link from the stdout of the snapshot command
         build_link=$(echo "$percy_output" | sed -n 's/.*Finalized build #.*: \(https:\/\/percy.io\/[^ ]*\).*/\1/p')
+        # Sanitize the build link to remove any newlines or spaces
+        build_link=$(echo "$build_link" | tr -d '\n' | tr -d ' ')
         
         # Using '/' to split the $build_link, extract the organization and build identifiers
         org_id=$(echo "$build_link" | cut -d '/' -f 4)

snapshots.js

@@ -32,8 +32,12 @@ async function getExampleFiles(dir = EXAMPLES_RELATIVE_DIR) {
         // Get examples from the subdirectory
         files.push(...(await getExampleFiles(path.join(dir, entry.name))));
       }
+      // Ignore partials, non-HTML files, & the examples index
     } else if (entry.isFile() && entry.name.endsWith('.html') && !entry.name.startsWith('_')) {
-      // Ignore partials & non-HTML files
+      if ((dir === EXAMPLES_RELATIVE_DIR && entry.name === 'index.html') || entry.name === 'standalone.html') {
+        // Ignore the examples index
+        continue;
+      }
       files.push(path.join(dir, entry.name));
     }
   }
@@ -50,9 +54,7 @@ async function getExampleFiles(dir = EXAMPLES_RELATIVE_DIR) {
 function getExampleUrlsFromExamplePaths(urlPaths) {
   // add standalone versions of the examples in base and patterns folders
   const standaloneUrls = urlPaths.filter((file) => file.startsWith('base/') || file.startsWith('patterns/')).map((file) => path.join('standalone', file));
-
   urlPaths = urlPaths.concat(standaloneUrls);
-
   // map the file paths to URLs
   return urlPaths.map((url) => {
     url = url.replace('.html', '');