Merge branch 'master' of github.com:openzim/mwoffliner

openzim · Feb 24, 2019 · 573565e · 573565e
2 parents 5ea6502 + 3c29283
commit 573565e
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/Downloader.ts b/src/Downloader.ts
@@ -202,12 +202,14 @@ async function getContent(requestOptions: any, handler: any) {
   try {
     const resp = await axios(requestOptions);
     const responseHeaders = resp.headers;
-    const compressed = await imagemin.buffer(resp.data, imageminOptions);
+
+    const shouldCompress = responseHeaders['content-type'].includes('image/');
+    const compressed = shouldCompress ? await imagemin.buffer(resp.data, imageminOptions) : resp.data;
 
     const compressionWorked = compressed.length < resp.data.length;
     if (compressionWorked) {
       logger.info(`Compressed data from [${requestOptions.url}] from [${resp.data.length}] to [${compressed.length}]`);
-    } else {
+    } else if (shouldCompress) {
       logger.warn(`Failed to reduce file size after optimisation attempt [${requestOptions.url}]... Went from [${resp.data.length}] to [${compressed.length}]`);
     }