From 6b924c6a1897432c3d1d671e78dc9c96adf520ef Mon Sep 17 00:00:00 2001
From: Gavin Hayes <gavin@dylibso.com>
Date: Wed, 7 Aug 2024 16:36:20 -0400
Subject: [PATCH] js: stub out observe api datadog

---
 js/src/lib/adapters/datadog/formatter.ts | 19 ++++++++++++++++++-
 js/src/lib/adapters/datadog/mod.ts       | 17 ++++++++++++++++-
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/js/src/lib/adapters/datadog/formatter.ts b/js/src/lib/adapters/datadog/formatter.ts
index 1df8683..53a5199 100644
--- a/js/src/lib/adapters/datadog/formatter.ts
+++ b/js/src/lib/adapters/datadog/formatter.ts
@@ -1,6 +1,9 @@
 import {
-  Nanoseconds,
+  Log,
   MemoryGrowAmount,
+  Metric,
+  MetricFormat,
+  Nanoseconds,
   newSpanId,
   newTraceId,
   TelemetryId,
@@ -52,6 +55,20 @@ export const addAllocation = (span: Span, amount: MemoryGrowAmount) => {
   span.meta[allocationKey] = sumAmount.toString();
 };
 
+export const addMetric = (span: Span, metric: Metric) => {
+  if (metric.format !== MetricFormat.StatsdFormat) {
+    console.error('cannot add non-statsd metric');
+    return;
+  }
+  const [key, value] = metric.message.split(/:(.*)/);
+};
+
+export const addTags = (span: Span, tags: string[]) => {
+};
+
+export const addLog = (span: Span, log: Log) => {
+};
+
 export class DatadogFormatter {
   constructor(public traces: Trace[]) { }
 
diff --git a/js/src/lib/adapters/datadog/mod.ts b/js/src/lib/adapters/datadog/mod.ts
index 5176ae9..316854d 100644
--- a/js/src/lib/adapters/datadog/mod.ts
+++ b/js/src/lib/adapters/datadog/mod.ts
@@ -5,13 +5,19 @@ import {
   CustomEvent,
   FunctionCall,
   MemoryGrow,
+  Metric,
+  MetricFormat,
+  Log,
+  LogLevel,
   ObserveEvent,
   Options,
   TelemetryId,
   WASM,
+  SpanTags,
 } from "../../mod.ts";
 import { SpanCollector } from "../../collectors/span/mod.ts";
-import { addAllocation, DatadogFormatter, Trace } from "./formatter.ts";
+import { addAllocation, addMetric, addTags, addLog, DatadogFormatter, Trace } from "./formatter.ts";
+
 export enum DatadogTraceType {
   Web = "web",
   Db = "db",
@@ -179,6 +185,15 @@ export class DatadogAdapter extends Adapter {
       if (event instanceof MemoryGrow) {
         addAllocation(span, event.amount);
       }
+      if (event instanceof Metric) {
+        addMetric(span, event);
+      }
+      if (event instanceof SpanTags) {
+        addTags(span, event.tags);
+      }
+      if (event instanceof Log) {
+        addLog(span, event);
+      }
     });
   }