feat: support filtering files

change/@rightcapital-verdaccio-package-diff-16af13e9-22eb-4dab-b202-fabbd1bcb217.json

@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "feat: support filtering files",
+  "packageName": "@rightcapital/verdaccio-package-diff",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

src/index.html

@@ -38,9 +38,10 @@
         const name = params.get('name');
         const from = params.get('from');
         const to = params.get('to');
+        const filter = params.get('filter');
 
         if (name && from && to) {
-          fetch(`/-/npm/package-diff/data?name=${name}&from=${from}&to=${to}`, {
+          fetch(`/-/npm/package-diff/data?name=${name}&from=${from}&to=${to}&filter=${filter}`, {
             headers: {
               Authorization: typeof token === 'string' && `Bearer ${token}`,
             },

src/index.ts

@@ -79,7 +79,7 @@ export default class VerdaccioMiddlewarePlugin
     const router = Router();
 
     router.get('/data', (req: Request, res: Response, next: NextFunction) => {
-      const { name, from, to } = req.query;
+      const { name, from, to, filter = '.' } = req.query;
       const authorizationToken = req.get('Authorization');
 
       if (!name || !from || !to) {
@@ -110,6 +110,7 @@ export default class VerdaccioMiddlewarePlugin
                 'npm',
                 [
                   'diff',
+                  filter as string,
                   `--diff=${name as string}@${from as string}`,
                   `--diff=${name as string}@${to as string}`,
                 ],