Function extractKeywords

src/compiled/features/context_retriever.js:67–101

* Extract search keywords from a user message. * Filters stop words, returns camelCase and PascalCase words preferentially.

(message)

 * Filters stop words, returns camelCase and PascalCase words preferentially.
 */
function extractKeywords(message) {
  const STOP = new Set([
    'the', 'a', 'an', 'is', 'are', 'was', 'were', 'be', 'been', 'being',
    'have', 'has', 'had', 'do', 'does', 'did', 'will', 'would', 'could', 'should',
    'may', 'might', 'shall', 'can', 'need', 'dare', 'ought', 'used', 'it', 'its',
    'this', 'that', 'these', 'those', 'i', 'me', 'my', 'we', 'our', 'you', 'your',
    'he', 'she', 'they', 'them', 'their', 'what', 'which', 'who', 'whom', 'when',
    'where', 'why', 'how', 'all', 'both', 'each', 'few', 'more', 'most', 'other',
    'some', 'such', 'no', 'nor', 'not', 'only', 'own', 'same', 'so', 'than', 'too',
    'very', 'just', 'in', 'on', 'at', 'by', 'for', 'with', 'about', 'against',
    'to', 'from', 'up', 'down', 'of', 'off', 'out', 'over', 'under', 'into', 'and',
    'or', 'but', 'if', 'then', 'else', 'file', 'files', 'code', 'function', 'class',
    'please', 'make', 'show', 'tell', 'give', 'get', 'set', 'run', 'use', 'add',
    'fix', 'find', 'look', 'check', 'help', 'want', 'need', 'try', 'let', 'create',
  ]);

  const words = message.split(/[\s,.\-_/\\()[\]{}'"`!?;:]+/);
  const keywords = [];

  // Prefer CamelCase/PascalCase first (likely symbol names)
  for (const w of words) {
    if (w.length >= 3 && /[A-Z]/.test(w) && !STOP.has(w.toLowerCase())) {
      keywords.push(w);
    }
  }

  // Then add other meaningful lowercase words
  for (const w of words) {
    if (w.length >= 4 && !/[A-Z]/.test(w) && !STOP.has(w.toLowerCase()) && !keywords.includes(w)) {
      keywords.push(w.toLowerCase());
    }
  }

  return keywords.slice(0, 5);
}

module.exports = { retrieveContext, extractKeywords };