Function _stats

src/tools/hybrid_search.js:148–156

(docs, queryTerms)

}

function _stats(docs, queryTerms) {
  const df = new Map(queryTerms.map(t => [t, 0]));
  let totalLen = 0;
  for (const d of docs) {
    totalLen += d.docLength || 0;
    for (const t of queryTerms) if (d.termFreq[t]) df.set(t, df.get(t) + 1);
  }
  return { df, totalDocs: docs.length || 1, avgDocLength: totalLen / (docs.length || 1) || 1 };
}

/**
 * Hybrid search over a project directory.