Public
Script
October 23, 2023
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import { getLangSmithBuilder } from "https://esm.town/v/webup/getLangSmithBuilder";
import { getModelBuilder } from "https://esm.town/v/webup/getModelBuilder";
export const pipeSampleLLMBind = (async () => {
const { PromptTemplate } = await import("npm:langchain/prompts");
const prompt = PromptTemplate.fromTemplate(`Tell me a joke about {subject}`);
const mb = await getModelBuilder({
type: "chat",
provider: "openai",
});
const model = await mb();
const tb = await getLangSmithBuilder();
const tracer = await tb();
const functionSchema = [
{
name: "joke",
description: "A joke",
parameters: {
type: "object",
properties: {
setup: {
type: "string",
description: "The setup for the joke",
},
punchline: {
type: "string",
description: "The punchline for the joke",
},
},
required: ["setup", "punchline"],
},
},
];
const chain = prompt.pipe(model.bind({
functions: functionSchema,
function_call: { name: "joke" },
}));
return await chain.invoke({ subject: "bears" }, { callbacks: [tracer] });
})();
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October 23, 2023