fix!: handle glob patterns ending with /** in CopyRspackPlugin

crates/rspack_plugin_copy/src/lib.rs

@@ -439,10 +439,17 @@ impl CopyRspackPlugin {
       }
       FromType::Glob => {
         need_add_context_to_dependency = true;
-        if Path::new(orig_from).is_absolute() {
+        let glob_query = if Path::new(orig_from).is_absolute() {
           orig_from.into()
         } else {
           context.join(orig_from).as_str().to_string()
+        };
+        // A glob pattern ending with /** should match all files within a directory, not just the directory itself.
+        // Since the standard glob only matches directories, we append /* to align with webpack's behavior.
+        if glob_query.ends_with("/**") {
+          format!("{glob_query}/*")
+        } else {
+          glob_query
         }
       }
     };

tests/plugin-test/copy-plugin/CopyPlugin.test.js

@@ -264,6 +264,22 @@ describe("CopyPlugin", () => {
 				.catch(done);
 		});
 
+		it('should work when "from" is a glob ending with /**', done => {
+			runEmit({
+				expectedAssetKeys: [
+					"directory/nested/nestedfile.txt",
+					"directory/nested/deep-nested/deepnested.txt"
+				],
+				patterns: [
+					{
+						from: "directory/nested/**"
+					}
+				]
+			})
+				.then(done)
+				.catch(done);
+		});
+
 		it.skip("should exclude path with linux path segment separators", done => {
 			runEmit({
 				expectedAssetKeys: [