48 lines
987 B
Markdown
48 lines
987 B
Markdown
---
|
|
layout: default
|
|
---
|
|
|
|
# Prompt Templates
|
|
|
|
<div class="mt-4 text-sm">
|
|
|
|
<v-click>
|
|
|
|
<div class="mb-4">
|
|
|
|
**ChatPromptTemplate** permite reutilizar prompts con variables dinámicas y la notación abreviada de roles
|
|
|
|
</div>
|
|
|
|
</v-click>
|
|
|
|
<v-click>
|
|
|
|
```typescript
|
|
import { ChatPromptTemplate } from "@langchain/core/prompts";
|
|
|
|
const template = ChatPromptTemplate.fromMessages([
|
|
["system", "Eres un experto en {topic}"], // ← shorthand de SystemMessage
|
|
["human", "{question}"] // ← shorthand de HumanMessage
|
|
]);
|
|
|
|
const prompt = await template.invoke({
|
|
topic: "JavaScript",
|
|
question: "¿Qué es async/await?"
|
|
});
|
|
|
|
const response = await model.invoke(prompt);
|
|
```
|
|
|
|
</v-click>
|
|
|
|
<v-click>
|
|
|
|
<div class="mt-3 text-xs bg-gray-100 dark:bg-gray-800 rounded p-2">
|
|
💡 Los templates son útiles para <b>reutilización</b>, <b>testing</b> y separar prompts de la lógica. Pero para casos simples, puedes usar mensajes directamente.
|
|
</div>
|
|
|
|
</v-click>
|
|
|
|
</div>
|