Search

import { Valyu } from "valyu-js";

const valyu = new Valyu();

const response = await valyu.search(
  "What are the latest developments in quantum computing?"
);

console.log(`Found ${response.results.length} results`);
response.results.forEach((result) => {
  console.log(result.title, "-", result.url);
  console.log(result.content.substring(0, 200), "...");
});

// Fast mode - lower latency, shorter content
await valyu.search(query, { fastMode: true });

// Restrict to specific sources (datasets, domains, or presets)
await valyu.search("quantum computing applications", {
  includedSources: ["valyu/valyu-arxiv", "valyu/valyu-pubmed"],
  responseLength: "medium",
});
// ...or exclude sources instead (use one or the other, not both)
await valyu.search(query, { excludeSources: ["example.com"] });

// Expand PubMed coverage while retaining full-text chunks where available
await valyu.search("clonal hematopoiesis cardiovascular disease", {
  includedSources: ["valyu/valyu-pubmed"],
  includeAbstracts: true,
});

// Bias ranking without hard filtering (-5 demote ... +5 boost)
await valyu.search("climate change research", {
  sourceBiases: { "nasa.gov": 5, "noaa.gov": 3, "example.com": -4 },
});

// Filter by country and date range
await valyu.search("renewable energy policies", {
  countryCode: "US",
  startDate: "2024-01-01",
  endDate: "2024-12-31",
});

// News mode (up to 100 results with the increased_max_results permission)
await valyu.search("AI breakthroughs", { searchType: "news", maxNumResults: 50 });