diff --git a/src/plugin.js b/src/plugin.js
index e319e2e..f88d1d2 100644
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -28,46 +28,49 @@ const outputFileName = (filePath) => filePath
  *  structure in the dist folder
  *
  *  @param {?Object} options
- *  @param {?FastGlob.Options} options.glob - the fast-glob configuration object
- *  @param {?string} options.relative - the base path to remove in the dist folder
- *  @param {?TransformOutputPathFn} options.transformOutputPath - callback function to
+ *  @param {?FastGlob?.Options} options.glob - the fast-glob configuration object
+ *  @param {?string?} options.relative - the base path to remove in the dist folder
+ *  @param {?TransformOutputPathFn?} options.transformOutputPath - callback function to
  *      transform the destination file name before generation
  *  @return {Plugin} - the rollup plugin config for enable support of multi-entry glob inputs
  * */
-export default ({
-  glob: globOptions,
-  relative = defaultOptions.relative,
-  transformOutputPath,
-} = defaultOptions) => ({
-  name: pluginName,
-  options(conf) {
-    // flat to enable input to be a string or an array
-    // separate globs inputs string from others to enable input to be a mixed array too
-    const [globs, others] = partition([conf.input].flat(), isString);
-    // get files from the globs strings and return as a Rollup entries Object
-    const input = Object
-      .assign(
-        {},
-        Object.fromEntries(fastGlob
-          .sync(globs, globOptions)
-          .map((name) => {
-            const filePath = path.relative(relative, name);
-            const isRelative = !filePath.startsWith('../');
-            const relativeFilePath = (isRelative
-              ? filePath
-              : path.relative('./', name));
-            if (transformOutputPath) {
-              return [outputFileName(transformOutputPath(relativeFilePath, name)), name];
-            }
-            return [outputFileName(relativeFilePath), name];
-          })),
-        // add no globs input to the result
-        ...others,
-      );
+export default (options = defaultOptions) => {
+  const {
+    glob: globOptions,
+    relative = defaultOptions.relative,
+    transformOutputPath,
+  } = options;
+  return ({
+    name: pluginName,
+    options(conf) {
+      // flat to enable input to be a string or an array
+      // separate globs inputs string from others to enable input to be a mixed array too
+      const [globs, others] = partition([conf.input].flat(), isString);
+      // get files from the globs strings and return as a Rollup entries Object
+      const input = Object
+        .assign(
+          {},
+          Object.fromEntries(fastGlob
+            .sync(globs, globOptions)
+            .map((name) => {
+              const filePath = path.relative(relative, name);
+              const isRelative = !filePath.startsWith('../');
+              const relativeFilePath = (isRelative
+                ? filePath
+                : path.relative('./', name));
+              if (transformOutputPath) {
+                return [outputFileName(transformOutputPath(relativeFilePath, name)), name];
+              }
+              return [outputFileName(relativeFilePath), name];
+            })),
+          // add no globs input to the result
+          ...others,
+        );
       // return the new configuration with the glob input and the non string inputs
-    return {
-      ...conf,
-      input,
-    };
-  },
-});
+      return {
+        ...conf,
+        input,
+      };
+    },
+  });
+};