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-rw-r--r--app/src/lib/ts/crc32.worker.ts8
1 files changed, 8 insertions, 0 deletions
diff --git a/app/src/lib/ts/crc32.worker.ts b/app/src/lib/ts/crc32.worker.ts
new file mode 100644
index 0000000..0d04c7c
--- /dev/null
+++ b/app/src/lib/ts/crc32.worker.ts
@@ -0,0 +1,8 @@
+import crc32 from 'crc/crc32';
+
+onmessage = async (message: MessageEvent<File>) => {
+ const file = message.data;
+ const buffer = await file.arrayBuffer();
+ const crc = crc32(buffer, 517762881);
+ postMessage(crc);
+};