From 01e833576807e3b7ab1337634db805c26498b6bd Mon Sep 17 00:00:00 2001
From: Andrei Alecu <andreialecu@users.noreply.github.com>
Date: Thu, 25 Nov 2021 18:42:21 +0200
Subject: [PATCH] Fix caching of bad langData responses

Fixes #584
---
 src/worker-script/index.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/worker-script/index.js b/src/worker-script/index.js
index 6507bf1..c0c0fa0 100644
--- a/src/worker-script/index.js
+++ b/src/worker-script/index.js
@@ -99,7 +99,11 @@ const loadLanguage = async ({
         }
 
         if (path !== null) {
-          const resp = await (isWebWorker ? fetch : adapter.fetch)(`${path}/${lang}.traineddata${gzip ? '.gz' : ''}`);
+          const fetchUrl = `${path}/${lang}.traineddata${gzip ? '.gz' : ''}`;
+          const resp = await (isWebWorker ? fetch : adapter.fetch)(fetchUrl);
+          if (!resp.ok) {
+            throw Error(`Network error while fetching ${fetchUrl}. Response code: ${resp.status}`)
+          }
           data = await resp.arrayBuffer();
         } else {
           data = await adapter.readCache(`${langPath}/${lang}.traineddata${gzip ? '.gz' : ''}`);