declare function listenSignalBacktestPerSignal(filterFn: (event: IStrategyTickResult) => boolean, fn: (event: IStrategyTickResult) => void): () => void;
Subscribes to backtest signal events, delivering the callback once per new signal id.
Only receives events from Backtest.run() execution. Idle events (signal: null)
are skipped. See the per-signal section header for the dedup semantics.
| Parameter | Description |
|---|---|
filterFn |
Predicate selecting which events are considered |
fn |
Callback invoked once per new signal id |