post messages to crunch worker with a new arrayBuffer, to avoid copying an underlying one

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/file_packager.py b/tools/file_packager.py
index a65de3f7..cc030f59 100644
--- a/tools/file_packager.py
+++ b/tools/file_packager.py
@@ -236,7 +236,7 @@ if crunch:
     function requestDecrunch(filename, data, callback) {
       decrunchWorker.postMessage({
         filename: filename,
-        data: data,
+        data: new Uint8Array(data),
         callbackID: decrunchCallbacks.length
       });
       decrunchCallbacks.push(callback);