Do not swallow error

src/util.ts

@@ -54,12 +54,10 @@ export const resolve = async (
 ) => {
   const docs = [];
 
-  try {
-    for (const asyncapiDocument of asyncapiDocuments) {
-      await parse(asyncapiDocument, specVersion, options);
-      docs.push(asyncapiDocument);
-    }
-  } catch (e) {} // eslint-disable-line
+  for (const asyncapiDocument of asyncapiDocuments) {
+    await parse(asyncapiDocument, specVersion, options);
+    docs.push(asyncapiDocument);
+  }
 
   return docs;
 };

tests/lib/index.spec.ts

@@ -2,8 +2,15 @@ import { describe, expect, test } from '@jest/globals';
 import bundle from '../../src';
 import { isExternalReference } from '../../src/util';
 import path from 'path';
+import { JSONParserError } from '@apidevtools/json-schema-ref-parser';
 
 describe('[integration testing] bundler should ', () => {
+  // as the working directory might get changed, make sure to reset it
+  let workingDirectory: string = process.cwd();
+  afterEach(() => {
+    process.chdir(workingDirectory);
+  });
+
   test('should return bundled doc', async () => {
     const files = ['./tests/camera.yml', './tests/audio.yml'];
     const response = await bundle(files, {
@@ -41,6 +48,21 @@ describe('[integration testing] bundler should ', () => {
     ).resolves;
   });
 
+  test('should throw if external `$ref` cannot be resolved', async () => {
+    const files = ['wrong-external-ref.yaml'];
+
+    await expect(
+      async () => {
+        await bundle(files, {
+          xOrigin: true,
+          base: 'base.yml',
+          baseDir: path.resolve(process.cwd(), './tests'),
+          noValidation: true,
+        })
+      }
+    ).rejects.toThrow(JSONParserError);
+  });
+
   test('should be able to bundle base file', async () => {
     const files = [
       './tests/base-option/lights.yaml',

tests/wrong-external-ref.yaml

@@ -0,0 +1,10 @@
+asyncapi: '2.2.0'
+info:
+  title: Account Service
+  version: 1.0.0
+  description: This service is in charge of processing user signups
+channels:
+  user/signedup:
+    subscribe:
+      message:
+          $ref: "./audio.yml#/components/messages/WrongReference"