Adjust error handling

Author: laurynas

src/client.js

@@ -42,13 +42,11 @@ export default class Client {
 
   async request(path, options = {}) {
     try {
-      const fetchOptions = {
+      const response = await fetch(this.baseURL + path, {
         headers: this.headers,
         timeout: this.timeout,
         ...options,
-      };
-
-      const response = await fetch(this.baseURL + path, fetchOptions);
+      });
 
       if (!response.ok) {
         throw new Error(await response.text());

src/error.js

@@ -1,7 +1,15 @@
 class DetectLanguageError extends Error {}
 
 function handleError(error) {
-  const message = error?.response?.data?.error?.message || error.message;
+  let message;
+
+  try {
+    const json = JSON.parse(error.message);
+    message = json?.error?.message || error.message;
+  } catch (e) {
+    message = error.message;
+  }
+
   const apiError = new DetectLanguageError(message);
 
   apiError.stack = error.stack;

test/index.js

@@ -26,7 +26,7 @@ describe('detect', () => {
     expect(result[0].score).to.be.a('number');
   });
 
-  it('detects language', async () => {
+  it('fails with invalid API key', async () => {
     detectLanguage = new DetectLanguage('invalid');
 
     await expect(detectLanguage.detect('hello')).to.be.rejectedWith('Invalid API key');