Fix problem decoding tag array of type "B,C". The computed length of …

…the array was wrong.
igvteam · Oct 2, 2024 · b1aab14 · b1aab14
1 parent a2d681b
commit b1aab14
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/cramFile/slice/decodeRecord.ts b/src/cramFile/slice/decodeRecord.ts
@@ -32,7 +32,11 @@ function readNullTerminatedString(buffer: Uint8Array) {
  */
 function parseTagValueArray(buffer: Uint8Array) {
   const arrayType = String.fromCharCode(buffer[0]!)
-  const length = Int32Array.from(buffer.slice(1))[0]!
+
+  //const length = Int32Array.from(buffer.slice(1))[0]!
+  const dataView = new DataView(buffer.buffer)
+  const littleEndian = true
+  const length = dataView.getUint32(1, littleEndian)
 
   const array: number[] = new Array(length)
   buffer = buffer.slice(5)