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Merge pull request #4183 from overleaf/jpa-use-memory-views

[perf] serviceWorker: use memory view on large chunks instead of slicing

GitOrigin-RevId: 10933b25500aebc0b236315aceca4c44089c79e6
Jakob Ackermann %!s(int64=5) %!d(string=hai) anos
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2293713e96
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a06031425b
Modificáronse 1 ficheiros con 1 adicións e 1 borrados
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  1. 1 1
      services/web/frontend/js/serviceWorker.js

+ 1 - 1
services/web/frontend/js/serviceWorker.js
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@@ -415,7 +415,7 @@ function processPdfRequest(
 
           if (offsetStart > 0 || offsetEnd > 0) {
 
           if (offsetStart > 0 || offsetEnd > 0) {
 
             // compute index positions for slice to handle case where offsetEnd=0
 
             // compute index positions for slice to handle case where offsetEnd=0
 
             const chunkSize = chunk.end - chunk.start
 
             const chunkSize = chunk.end - chunk.start
 
-            data = data.slice(offsetStart, chunkSize - offsetEnd)
 
+            data = data.subarray(offsetStart, chunkSize - offsetEnd)
 
           }
 
           }
 
           const insertPosition = Math.max(chunk.start - start, 0)
 
           const insertPosition = Math.max(chunk.start - start, 0)
 
           reAssembledBlob.set(data, insertPosition)
 
           reAssembledBlob.set(data, insertPosition)