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import {
ANSI,
type Callable,
type IMetric,
type ITraceableMapper,
type ITraceableTuple,
type MetricsTraceSupplier,
} from "@emprespresso/pengueno";
export class TraceUtil {
static withTrace<T, Trace>(
trace: string,
ansi?: Array<keyof typeof ANSI>
): ITraceableMapper<T, ITraceableTuple<T, Trace | Array<Trace>>, Trace> {
if (ansi) {
return (t) => [t.get(), `${ansi.join("")}${trace}${ANSI.RESET}`];
}
return (t) => [t.get(), trace];
}
static withMetricTrace<T, Trace extends MetricsTraceSupplier>(
metric: IMetric,
): ITraceableMapper<T, ITraceableTuple<T, Trace | Array<Trace>>, Trace> {
return (t) => [t.get(), metric as Trace];
}
static withFunctionTrace<F extends Callable, T, Trace>(
f: F,
): ITraceableMapper<T, ITraceableTuple<T, Trace | Array<Trace>>, Trace> {
return TraceUtil.withTrace(`fn.${f.name}`);
}
static withClassTrace<C extends object, T, Trace>(
c: C,
): ITraceableMapper<T, ITraceableTuple<T, Trace | Array<Trace>>, Trace> {
return TraceUtil.withTrace(`class.${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();
}
}
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