@langchain/openai - npm Package Compare versions

Comparing version 0.0.20 to 0.0.21

dist/chat_models.js

@@ -761,3 +761,3 @@ import { OpenAI as OpenAIClient } from "openai";
         else {
-            const functionName = name ?? "extract";
+            let functionName = name ?? "extract";
             // Is function calling
@@ -791,2 +791,16 @@ if (isZodSchema(schema)) {
             else {
+                let openAIFunctionDefinition;
+                if (typeof schema.name === "string" &&
+                    typeof schema.parameters === "object" &&
+                    schema.parameters != null) {
+                    openAIFunctionDefinition = schema;
+                    functionName = schema.name;
+                }
+                else {
+                    openAIFunctionDefinition = {
+                        name: functionName,
+                        description: schema.description ?? "",
+                        parameters: schema,
+                    };
+                }
                 llm = this.bind({
@@ -796,7 +810,3 @@ tools: [
                             type: "function",
-                            function: {
-                                name: functionName,
-                                description: schema.description,
-                                parameters: schema,
-                            },
+                            function: openAIFunctionDefinition,
                         },
@@ -803,0 +813,0 @@ ],

dist/tests/chat_models_structured_output.int.test.js

@@ -90,2 +90,29 @@ import { z } from "zod";
 });
+test("withStructuredOutput OpenAI function definition function calling", async () => {
+    const model = new ChatOpenAI({
+        temperature: 0,
+        modelName: "gpt-4-turbo-preview",
+    });
+    const calculatorSchema = z.object({
+        operation: z.enum(["add", "subtract", "multiply", "divide"]),
+        number1: z.number(),
+        number2: z.number(),
+    });
+    const modelWithStructuredOutput = model.withStructuredOutput({
+        name: "calculator",
+        parameters: zodToJsonSchema(calculatorSchema),
+    });
+    const prompt = ChatPromptTemplate.fromMessages([
+        "system",
+        `You are VERY bad at math and must always use a calculator.`,
+        "human",
+        "Please help me!! What is 2 + 2?",
+    ]);
+    const chain = prompt.pipe(modelWithStructuredOutput);
+    const result = await chain.invoke({});
+    console.log(result);
+    expect("operation" in result).toBe(true);
+    expect("number1" in result).toBe(true);
+    expect("number2" in result).toBe(true);
+});
 test("withStructuredOutput JSON schema JSON mode", async () => {
@@ -92,0 +119,0 @@ const model = new ChatOpenAI({

package.json

 {
   "name": "@langchain/openai",
-  "version": "0.0.20",
+  "version": "0.0.21",
   "description": "OpenAI integrations for LangChain.js",
@@ -5,0 +5,0 @@ "type": "module",

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Improved metrics

Total package byte prevSize

287137

increased by0.64%

Lines of code

7389

increased by0.64%

No dependency changes