Merge pull request #36 from DataDog/darcy.rayner/fix-enhance-metrics-coldstart-tag

Add missing call to setColdStart

Author: DarcyRaynerDD

src/index.ts

@@ -8,7 +8,7 @@ import {
   MetricsListener,
 } from "./metrics";
 import { TraceConfig, TraceHeaders, TraceListener } from "./trace";
-import { logError, LogLevel, setLogLevel, wrap } from "./utils";
+import { logError, LogLevel, setColdStart, setLogLevel, wrap } from "./utils";
 
 export { TraceHeaders } from "./trace";
 
@@ -74,6 +74,7 @@ export function datadog<TEvent, TResult>(
   return wrap(
     handler,
     (event, context) => {
+      setColdStart();
       setLogLevel(finalConfig.debugLogging ? LogLevel.DEBUG : LogLevel.ERROR);
       currentMetricsListener = metricsListener;
       currentTraceListener = traceListener;

src/utils/index.ts

@@ -1,3 +1,4 @@
+export { didFunctionColdStart, getColdStartTag, setColdStart } from "./cold-start";
 export { wrap } from "./handler";
 export { Timer } from "./timer";
 export { logError, logDebug, setLogLevel, LogLevel } from "./log";