From 8fdef048757b51eb8561c1b4a4443c9ab2449d40 Mon Sep 17 00:00:00 2001
From: cenfun <cenfun@gmail.com>
Date: Sat, 29 Jun 2024 12:56:38 +0800
Subject: [PATCH] fixed warn message for adding empty istanbul coverage

---
 lib/generate.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/generate.js b/lib/generate.js
index 51b76fbc..b07bffa1 100644
--- a/lib/generate.js
+++ b/lib/generate.js
@@ -720,7 +720,14 @@ const addEmptyData = async (mcr, dataList, sourceCache) => {
         return;
     }
 
-    Util.logDebug(`added "all" files with empty coverage: ${EC.yellow(emptyData.length)}`);
+    let files = 0;
+    if (Util.isList(emptyData)) {
+        files = emptyData.length;
+    } else {
+        files = Object.keys(emptyData).length;
+    }
+
+    Util.logDebug(`added all files with empty coverage: ${EC.yellow(files)}`);
     const coverageResults = await mcr.add(emptyData);
     // after `add`
     if (!coverageResults) {