From 3a37732617528070bfa1df7b15b3fbc7c8143e41 Mon Sep 17 00:00:00 2001
From: Tat Dat Duong <david@duong.cz>
Date: Wed, 23 Oct 2024 01:09:15 +0200
Subject: [PATCH] Remove the type dependency

---
 js/package.json                    |  1 -
 js/src/wrappers/vercel/exporter.ts | 12 ++++++------
 js/yarn.lock                       |  2 +-
 3 files changed, 7 insertions(+), 8 deletions(-)

diff --git a/js/package.json b/js/package.json
index 0e64b4e93..488285d6a 100644
--- a/js/package.json
+++ b/js/package.json
@@ -112,7 +112,6 @@
     "@langchain/core": "^0.3.1",
     "@langchain/langgraph": "^0.2.3",
     "@langchain/openai": "^0.3.0",
-    "@opentelemetry/api": "^1.9.0",
     "@opentelemetry/sdk-trace-base": "^1.26.0",
     "@opentelemetry/sdk-trace-node": "^1.26.0",
     "@tsconfig/recommended": "^1.0.2",
diff --git a/js/src/wrappers/vercel/exporter.ts b/js/src/wrappers/vercel/exporter.ts
index 7a7741557..6cd46b2a6 100644
--- a/js/src/wrappers/vercel/exporter.ts
+++ b/js/src/wrappers/vercel/exporter.ts
@@ -1,5 +1,4 @@
-import type { ReadableSpan, SpanExporter } from "@opentelemetry/sdk-trace-base";
-import type { ExportResult } from "@opentelemetry/core";
+import type { ReadableSpan } from "@opentelemetry/sdk-trace-base";
 import type { CoreAssistantMessage, CoreMessage, ToolCallPart } from "ai";
 import type { AISDKSpan } from "./exporter.types.js";
 import { Client } from "../../index.js";
@@ -212,7 +211,7 @@ interface RunTask {
   executionOrder: number;
 }
 
-export class LangSmithAISDKExporter implements SpanExporter {
+export class LangSmithAISDKExporter {
   private client: Client;
   private traceByMap: Record<
     string,
@@ -475,10 +474,11 @@ export class LangSmithAISDKExporter implements SpanExporter {
   }
 
   export(
-    spans: ReadableSpan[],
-    resultCallback: (result: ExportResult) => void
+    spans: unknown[],
+    resultCallback: (result: { code: 0 | 1; error?: Error }) => void
   ): void {
-    for (const span of spans) {
+    const typedSpans = spans as ReadableSpan[];
+    for (const span of typedSpans) {
       const { traceId, spanId } = span.spanContext();
       const parentId = span.parentSpanId ?? undefined;
       this.traceByMap[traceId] ??= {
diff --git a/js/yarn.lock b/js/yarn.lock
index 31411bc6d..bf35ed96d 100644
--- a/js/yarn.lock
+++ b/js/yarn.lock
@@ -1443,7 +1443,7 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
-"@opentelemetry/api@1.9.0", "@opentelemetry/api@^1.9.0":
+"@opentelemetry/api@1.9.0":
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/@opentelemetry/api/-/api-1.9.0.tgz#d03eba68273dc0f7509e2a3d5cba21eae10379fe"
   integrity sha512-3giAOQvZiH5F9bMlMiv8+GSPMeqg0dbaeo58/0SlA9sxSqZhnUtxzX9/2FzyhS9sWQf5S0GJE0AKBrFqjpeYcg==