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import type {
Callable,
IMetric,
ITraceableMapper,
ITraceableTuple,
MetricsTraceSupplier,
} from "@emprespresso/pengueno";
export class TraceUtil {
static withMetricTrace<T, Trace extends MetricsTraceSupplier>(
metric: IMetric,
): ITraceableMapper<
T,
ITraceableTuple<T, Trace | Array<Trace>>,
Trace
> {
return (t) => [t.get(), metric as Trace];
}
static withFunctionTrace<F extends Callable, T, Trace>(
f: F,
): ITraceableMapper<
T,
ITraceableTuple<T, Trace | Array<Trace>>,
Trace
> {
return (t) => [t.get(), `[${f.name}]`];
}
static withClassTrace<C extends object, T, Trace>(
c: C,
): ITraceableMapper<
T,
ITraceableTuple<T, Trace | Array<Trace>>,
Trace
> {
return (t) => [t.get(), `[${c.constructor.name}]`];
}
static promiseify<T, U, Trace>(
mapper: ITraceableMapper<T, U, Trace>,
): ITraceableMapper<Promise<T>, Promise<U>, Trace> {
return (traceablePromise) =>
traceablePromise.flatMapAsync(async (t) =>
t.move(await t.get()).map(mapper)
).get();
}
}
|
