A ByteSource backed by an in-memory Uint8Array. Reads are subarray
copies into the destination window. Used by tests and the resident path;
note it does hold the whole buffer (that residency is the source's, not the
parser's — the parser still only touches a window).
A
ByteSourcebacked by an in-memoryUint8Array. Reads aresubarraycopies into the destination window. Used by tests and the resident path; note it does hold the whole buffer (that residency is the source's, not the parser's — the parser still only touches a window).