Traces not present from node-experimental about spotlight HOT 1 CLOSED

import { type createEventEnvelope, type getCurrentHub } from "@sentry/core";

type AnySentryGetCurrentHub = ReturnType<typeof getCurrentHub>;
type AnySentryEnvelope = ReturnType<typeof createEventEnvelope>;

function serializeEnvelope(envelope: AnySentryEnvelope) {
  const [envHeaders, items] = envelope;

  // Initially we construct our envelope as a string and only convert to binary chunks if we encounter binary data
  const parts = [];
  parts.push(JSON.stringify(envHeaders));

  for (const item of items) {
    const [itemHeaders, payload] = item;

    parts.push("\n" + JSON.stringify(itemHeaders) + "\n");

    parts.push(JSON.stringify(payload));
  }

  return parts.join("");
}

export function connect(hub: AnySentryGetCurrentHub) {
  // A very hacky way to hook into Sentry's SDK
  // but we love hacks
  hub["_stack"][0].client.setupIntegrations(true);
  hub["_stack"][0].client.on(
    "beforeEnvelope",
    (envelope: AnySentryEnvelope) => {
      console.log("Pushing envelope");
      fetch("http://localhost:8969/stream", {
        method: "POST",
        body: serializeEnvelope(envelope),
        headers: {
          "Content-Type": "application/x-sentry-envelope",
        },
        mode: "cors",
      }).catch(() => {
        console.warn(
          "[Spotlight] Failed to send envelope to Spotlight Sidecar",
        );
      });
      return envelope;
    },
  );
}