From dfd94ca4572673c41c6272479a373ff2c796022d Mon Sep 17 00:00:00 2001
From: Luke Rucker <luke.rucker@vendr.com>
Date: Wed, 5 Feb 2025 17:06:03 -0500
Subject: [PATCH] Dynamically import p-map

---
 src/eval_utils/run.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/eval_utils/run.ts b/src/eval_utils/run.ts
index 608ed3f6..45fd3c1a 100644
--- a/src/eval_utils/run.ts
+++ b/src/eval_utils/run.ts
@@ -10,7 +10,6 @@
 import cliProgress from "cli-progress";
 import { Humanloop, HumanloopClient } from "index";
 import _ from "lodash";
-import pMap from "p-map";
 
 import {
     BooleanEvaluatorStatsResponse,
@@ -484,6 +483,10 @@ export async function runEval(
         );
         const totalDatapoints = hlDataset.datapoints!.length;
         progressBar.start(totalDatapoints, 0);
+
+        // p-map is esm only since v5. Since we're targeting cjs, we need to
+        // import it dynamically, so it works for both cjs and esm consumers on node < 22.
+        const { default: pMap } = await import("p-map");
         await pMap(
             hlDataset.datapoints!,
             async (datapoint) => {