otel for call start, end and mute

This is send over zipkin.
And it uses a posthog exporter to export events to posthog
using a _otel prefix

src/analytics/OtelPosthogExporter.ts

@@ -0,0 +1,57 @@
+import { SpanExporter } from "@opentelemetry/sdk-trace-base";
+import { ReadableSpan } from "@opentelemetry/sdk-trace-base";
+import { ExportResult, ExportResultCode } from "@opentelemetry/core";
+
+import { PosthogAnalytics } from "./PosthogAnalytics";
+/**
+ * This is implementation of {@link SpanExporter} that prints spans to the
+ * console. This class can be used for diagnostic purposes.
+ */
+export class PosthogSpanExporter implements SpanExporter {
+  /**
+   * Export spans.
+   * @param spans
+   * @param resultCallback
+   */
+  async export(
+    spans: ReadableSpan[],
+    resultCallback: (result: ExportResult) => void
+  ): Promise<void> {
+    console.log("POSTHOGEXPORTER", spans);
+    for (let i = 0; i < spans.length; i++) {
+      const span = spans[i];
+      const sendInstantly =
+        span.name == "otel_callEnded" ||
+        span.name == "otel_otherSentInstantlyEventName";
+
+      await PosthogAnalytics.instance.trackFromSpan(
+        { eventName: span.name, ...span.attributes },
+        {
+          send_instantly: sendInstantly,
+        }
+      );
+      resultCallback({ code: ExportResultCode.SUCCESS });
+    }
+  }
+  /**
+   * Shutdown the exporter.
+   */
+  shutdown(): Promise<void> {
+    console.log("POSTHOGEXPORTER shutdown of otelPosthogExporter");
+    return new Promise<void>((resolve, _reject) => {
+      resolve();
+    });
+  }
+  /**
+   * converts span info into more readable format
+   * @param span
+   */
+  // private _exportInfo;
+  /**
+   * Showing spans in console
+   * @param spans
+   * @param done
+   */
+  // private _sendSpans;
+}
+//# sourceMappingURL=ConsoleSpanExporter.d.ts.map