Couple more

src/cramFile/file.ts

@@ -102,7 +102,6 @@ export default class CramFile {
     }
   }
 
-  // can just stat this object like a filehandle
   read(length: number, position: number) {
     return this.file.read(length, position)
   }
@@ -260,11 +259,6 @@ export default class CramFile {
     const { majorVersion } = await this.getDefinition()
     const sectionParsers = getSectionParsers(majorVersion)
     const { cramBlockHeader } = sectionParsers
-    const { size: fileSize } = await this.file.stat()
-
-    if (position + cramBlockHeader.maxLength >= fileSize) {
-      return undefined
-    }
 
     const buffer = await this.file.read(cramBlockHeader.maxLength, position)
     return parseItem(buffer, cramBlockHeader.parser, 0, position)
@@ -282,16 +276,7 @@ export default class CramFile {
     size = section.maxLength,
     preReadBuffer?: Uint8Array,
   ) {
-    let buffer: Uint8Array
-    if (preReadBuffer) {
-      buffer = preReadBuffer
-    } else {
-      const { size: fileSize } = await this.file.stat()
-      if (position + size >= fileSize) {
-        return undefined
-      }
-      buffer = await this.file.read(size, position)
-    }
+    const buffer = preReadBuffer ?? (await this.file.read(size, position))
     const data = parseItem(buffer, section.parser, 0, position)
     if (data._size !== size) {
       throw new CramMalformedError(