fix: add check that $ref value is a string (#92)

Co-authored-by: Maciej Urbańczyk <[email protected]>

tests/lib/index.spec.ts

@@ -1,4 +1,4 @@
-import { describe, expect, test } from '@jest/globals';
+import { describe, expect, test, jest } from '@jest/globals';
 import bundle from '../../src';
 import fs from 'fs';
 import path from 'path';
@@ -43,33 +43,31 @@ describe('bundler should ', () => {
 
  test('should not throw if value of `$ref` is not a string', async () => {
  const files = ['./tests/wrong-ref-not-string.yaml'];
- const response = await bundle(
- files.map(file =>
- fs.readFileSync(path.resolve(process.cwd(), file), 'utf-8')
- ),
- {
- referenceIntoComponents: true,
- }
- );
 
- const result = response.json();
-
- expect(result).toBeDefined();
+ expect(
+ await bundle(
+ files.map(file =>
+ fs.readFileSync(path.resolve(process.cwd(), file), 'utf-8')
+ ),
+ {
+ referenceIntoComponents: true,
+ }
+ )
+ ).resolves;
  });
 
  test('should not throw if value of `$ref` is absent', async () => {
  const files = ['./tests/wrong-ref-absent.yaml'];
- const response = await bundle(
- files.map(file =>
- fs.readFileSync(path.resolve(process.cwd(), file), 'utf-8')
- ),
- {
- referenceIntoComponents: true,
- }
- );
 
- const result = response.json();
-
- expect(result).toBeDefined();
+ expect(
+ await bundle(
+ files.map(file =>
+ fs.readFileSync(path.resolve(process.cwd(), file), 'utf-8')
+ ),
+ {
+ referenceIntoComponents: true,
+ }
+ )
+ ).resolves;
  });
 });