Use _.filter instead of _.reduce

1 files changed, 4 insertions, 8 deletions

diff --git a/packages/react-docs/src/utils/typedoc_utils.ts b/packages/react-docs/src/utils/typedoc_utils.ts
index fff27a834..21f2dcabb 100644
--- a/packages/react-docs/src/utils/typedoc_utils.ts
+++ b/packages/react-docs/src/utils/typedoc_utils.ts
@@ -85,14 +85,10 @@ export const typeDocUtils = {
             let entities;
             let packageComment = '';
             // HACK: We assume 1 exported class per file
-            const numClassChildren = _.reduce(
-                packageDefinitionWithMergedChildren.children,
-                (sum: number, child: TypeDocNode) => {
-                    const nextSum = child.kindString === KindString.Class ? sum + 1 : sum;
-                    return nextSum;
-                },
-            );
-            if (numClassChildren > 1) {
+            const classChildren = _.filter(packageDefinitionWithMergedChildren.children, (child: TypeDocNode) => {
+                return child.kindString === KindString.Class;
+            });
+            if (classChildren.length > 1) {
                 throw new Error('`react-docs` only supports projects with 1 exported class per file');
             }
             const isClassExport = packageDefinitionWithMergedChildren.children[0].kindString === KindString.Class;