Support public registries.

npm/npm-test/action.yaml

@@ -14,7 +14,7 @@ inputs:
     required: false
     default: "${{ github.server_url }}/api/packages/${{ github.repository_owner }}/npm/index.json"
   apiKeys:
-    description: "Newline-separated list of API keys corresponding to registries."
+    description: "Newline-separated list of API keys corresponding to registries. Use 'none' for public registries."
     required: false
     default: "${{ github.token }}"
   testCommand:

npm/npm-test/configure-auth.sh

@@ -6,13 +6,13 @@ AUTH_URLS="$2"
 API_KEYS="$3"
 
 if [ "$ACTION" == "add" ]; then
-    # Parse newline-separated URLs and tokens into arrays
-    IFS=$'\n' read -rd '' -a URLS <<< "$AUTH_URLS" || true
-    IFS=$'\n' read -rd '' -a KEYS <<< "$API_KEYS" || true
+    # Parse newline-separated URLs and tokens into arrays (preserves empty lines)
+    mapfile -t URLS <<< "$AUTH_URLS"
+    mapfile -t KEYS <<< "$API_KEYS"
 
     # Verify arrays have matching lengths
     if [ ${#URLS[@]} -ne ${#KEYS[@]} ]; then
-        echo "Error: Number of authUrls (${#URLS[@]}) does not match number of apiKeys (${#KEYS[@]})"
+        echo "Error: Number of registries (${#URLS[@]}) does not match number of apiKeys (${#KEYS[@]})"
         exit 1
     fi
 
@@ -21,8 +21,14 @@ if [ "$ACTION" == "add" ]; then
         URL="${URLS[$i]}"
         KEY="${KEYS[$i]}"
 
-        # Skip empty entries
-        if [ -z "$URL" ] || [ -z "$KEY" ]; then
+        # Skip empty registry entries
+        if [ -z "$URL" ]; then
+            continue
+        fi
+
+        # Skip registries that don't need authentication
+        if [ -z "$KEY" ] || [ "$KEY" == "none" ]; then
+            echo "Skipping authentication for: $URL (no API key provided)"
             continue
         fi