initial commit: slides + practica_resueltos + README

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-29 11:50:55 +02:00
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+---
+layout: default
+---
+
+# DirectoryLoader
+
+<v-clicks>
+
+Carga todos los archivos de un directorio, mapeando extensiones a loaders
+
+```typescript
+import { DirectoryLoader } from
+  "@langchain/community/document_loaders/fs/directory";
+import { PDFLoader } from
+  "@langchain/community/document_loaders/fs/pdf";
+import { TextLoader } from
+  "@langchain/community/document_loaders/fs/text";
+import { CSVLoader } from
+  "@langchain/community/document_loaders/fs/csv";
+
+const loader = new DirectoryLoader("./documentos/", {
+  ".pdf": (path) => new PDFLoader(path),
+  ".txt": (path) => new TextLoader(path),
+  ".md": (path) => new TextLoader(path),
+  ".csv": (path) => new CSVLoader(path),
+});
+
+const docs = await loader.load();
+console.log(`Cargados ${docs.length} documentos`);
+```
+
+<div class="mt-4 p-4 bg-blue-500/10 rounded">
+💡 Muy útil para indexar carpetas enteras de documentación de una sola vez
+</div>
+
+</v-clicks>