Added registry support to npm test.

npm/npm-test/configure-auth.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+set -e
+
+ACTION="$1"
+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
+
+    # Verify arrays have matching lengths
+    if [ ${#URLS[@]} -ne ${#KEYS[@]} ]; then
+        echo "Error: Number of authUrls (${#URLS[@]}) does not match number of apiKeys (${#KEYS[@]})"
+        exit 1
+    fi
+
+    # Configure authentication for each registry
+    for i in "${!URLS[@]}"; do
+        URL="${URLS[$i]}"
+        KEY="${KEYS[$i]}"
+
+        # Skip empty entries
+        if [ -z "$URL" ] || [ -z "$KEY" ]; then
+            continue
+        fi
+
+        # Remove protocol from URL for npm config
+        REGISTRY_PATH=$(echo "$URL" | sed -E 's|https?://||')
+
+        echo "Configuring authentication for: $URL"
+        npm config set --location=project "//${REGISTRY_PATH}:_authToken" "$KEY"
+    done
+elif [ "$ACTION" == "remove" ]; then
+    # Clean up project .npmrc
+    rm -f .npmrc
+    echo "Removed npm authentication configuration"
+else
+    echo "Error: Invalid action '$ACTION'. Use 'add' or 'remove'"
+    exit 1
+fi