Pulls in pengueno from npm

1 files changed, 0 insertions, 59 deletions

diff --git a/u/trace/metric/trace.ts b/u/trace/metric/trace.ts
deleted file mode 100644
index 0c5fe37..0000000
--- a/u/trace/metric/trace.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-import { IMetric, isIMetric, isMetricValue, ITrace, ITraceWith, MetricValue, SideEffect } from '@emprespresso/pengueno';
-
-export type MetricsTraceSupplier =
-    | ITraceWith<IMetric | MetricValue | undefined>
-    | Array<ITraceWith<IMetric | MetricValue | undefined>>;
-export const isMetricsTraceSupplier = (t: unknown): t is MetricsTraceSupplier =>
-    isMetricValue(t) || isIMetric(t) || (Array.isArray(t) && t.every((_m) => isMetricValue(_m) || isIMetric(_m)));
-
-export class MetricsTrace implements ITrace<MetricsTraceSupplier> {
-    constructor(
-        private readonly metricConsumer: SideEffect<Array<MetricValue>>,
-        private readonly activeTraces: ReadonlyMap<IMetric, number> = new Map(),
-        private readonly completedTraces: ReadonlySet<IMetric> = new Set(),
-    ) {}
-
-    public traceScope(trace: MetricsTraceSupplier): MetricsTrace {
-        const now = Date.now();
-        const metricsToTrace = (Array.isArray(trace) ? trace : [trace]).filter(isIMetric);
-
-        const initialTraces = new Map(metricsToTrace.map((metric) => [metric, now]));
-
-        return new MetricsTrace(this.metricConsumer, initialTraces);
-    }
-
-    public trace(metrics: MetricsTraceSupplier): MetricsTrace {
-        if (!metrics || typeof metrics === 'string') {
-            return this;
-        }
-
-        const now = Date.now();
-        const allMetrics = Array.isArray(metrics) ? metrics : [metrics];
-
-        // partition the incoming metrics
-        const valuesToEmit = allMetrics.filter(isMetricValue);
-        const traceableMetrics = allMetrics.filter(isIMetric);
-
-        const metricsToStart = traceableMetrics.filter((m) => !this.activeTraces.has(m));
-        const metricsToEnd = traceableMetrics.filter((m) => this.activeTraces.has(m) && !this.completedTraces.has(m));
-
-        // the new metrics to emit based on traces ending *now*
-        const endedMetricValues = metricsToEnd.flatMap((metric) => [
-            metric.count.withValue(1.0),
-            metric.time.withValue(now - this.activeTraces.get(metric)!),
-        ]);
-
-        const allMetricsToEmit = [...valuesToEmit, ...endedMetricValues];
-        if (allMetricsToEmit.length > 0) {
-            this.metricConsumer(allMetricsToEmit);
-        }
-
-        // the next immutable state
-        const nextActiveTraces = new Map([
-            ...this.activeTraces,
-            ...metricsToStart.map((m): [IMetric, number] => [m, now]),
-        ]);
-        const nextCompletedTraces = new Set([...this.completedTraces, ...metricsToEnd]);
-        return new MetricsTrace(this.metricConsumer, nextActiveTraces, nextCompletedTraces);
-    }
-}