should be able to run checks on incomplete replays

[jmlee337]

looks like i hit this error when I feed an incomplete replay (like usb writing failed in the middle of a game)

libenforcer/libenforcer-wasm/src/lib.rs

Line 392 in 31fa043

.map_err(|e| JsValue::from_str(&format!("Failed to parse SLP file: {}", e)))?;