@langchain/core - npm Package Compare versions

Comparing version 0.1.29 to 0.1.30

dist/tracers/base.d.ts

@@ -31,2 +31,3 @@ import { KVMap, BaseRun } from "langsmith/schemas";
     copy(): this;
+    protected stringifyError(error: unknown): string;
     protected abstract persistRun(run: Run): Promise<void>;
@@ -40,3 +41,3 @@ protected _addChildRun(parentRun: Run, childRun: Run): void;
     handleLLMEnd(output: LLMResult, runId: string): Promise<Run>;
-    handleLLMError(error: Error, runId: string): Promise<Run>;
+    handleLLMError(error: unknown, runId: string): Promise<Run>;
     handleChainStart(chain: Serialized, inputs: ChainValues, runId: string, parentRunId?: string, tags?: string[], metadata?: KVMap, runType?: string, name?: string): Promise<Run>;
@@ -46,3 +47,3 @@ handleChainEnd(outputs: ChainValues, runId: string, _parentRunId?: string, _tags?: string[], kwargs?: {
     }): Promise<Run>;
-    handleChainError(error: Error, runId: string, _parentRunId?: string, _tags?: string[], kwargs?: {
+    handleChainError(error: unknown, runId: string, _parentRunId?: string, _tags?: string[], kwargs?: {
         inputs?: Record<string, unknown>;
@@ -52,3 +53,3 @@ }): Promise<Run>;
     handleToolEnd(output: string, runId: string): Promise<Run>;
-    handleToolError(error: Error, runId: string): Promise<Run>;
+    handleToolError(error: unknown, runId: string): Promise<Run>;
     handleAgentAction(action: AgentAction, runId: string): Promise<void>;
@@ -58,3 +59,3 @@ handleAgentEnd(action: AgentFinish, runId: string): Promise<void>;
     handleRetrieverEnd(documents: Document<Record<string, unknown>>[], runId: string): Promise<Run>;
-    handleRetrieverError(error: Error, runId: string): Promise<Run>;
+    handleRetrieverError(error: unknown, runId: string): Promise<Run>;
     handleText(text: string, runId: string): Promise<void>;
@@ -61,0 +62,0 @@ handleLLMNewToken(token: string, idx: NewTokenIndices, runId: string, _parentRunId?: string, _tags?: string[], fields?: HandleLLMNewTokenCallbackFields): Promise<Run>;

dist/tracers/base.js

@@ -28,2 +28,12 @@ import { BaseCallbackHandler, } from "../callbacks/base.js";
     }
+    stringifyError(error) {
+        // eslint-disable-next-line no-instanceof/no-instanceof
+        if (error instanceof Error) {
+            return error.message + (error?.stack ? `\n\n${error.stack}` : "");
+        }
+        if (typeof error === "string") {
+            return error;
+        }
+        return `${error}`;
+    }
     _addChildRun(parentRun, childRun) {
@@ -166,3 +176,3 @@ parentRun.child_runs.push(childRun);
         run.end_time = Date.now();
-        run.error = error.message;
+        run.error = this.stringifyError(error);
         run.events.push({
@@ -227,3 +237,3 @@ name: "error",
         run.end_time = Date.now();
-        run.error = error.message + (error?.stack ? `\n\n${error.stack}` : "");
+        run.error = this.stringifyError(error);
         run.events.push({
@@ -288,3 +298,3 @@ name: "error",
         run.end_time = Date.now();
-        run.error = error.message;
+        run.error = this.stringifyError(error);
         run.events.push({
@@ -373,3 +383,3 @@ name: "error",
         run.end_time = Date.now();
-        run.error = error.message;
+        run.error = this.stringifyError(error);
         run.events.push({
@@ -376,0 +386,0 @@ name: "error",

package.json

 {
   "name": "@langchain/core",
-  "version": "0.1.29",
+  "version": "0.1.30",
   "description": "Core LangChain.js abstractions and schemas",
@@ -5,0 +5,0 @@ "type": "module",

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Improved metrics

Total package byte prevSize

1561384

increased by0.05%

Lines of code

38723

increased by0.05%

No dependency changes