aishe-institutions-list/index.js

Searchable list of Indian colleges, universities, standalone institutions, and R&D centers from AISHE data

const institutions = require("./data/institutions.json");

function normalizeText(text) {
  return text.toLowerCase()
    .replace(/[^a-z0-9\s]/g, ' ')
    .replace(/\s+/g, ' ')
    .trim();
}

function search(query, limit = 20) {
  if (!query) return [];
  
  const normalizedQuery = normalizeText(query);
  const queryWords = normalizedQuery.split(' ').filter(w => w.length > 0);
  
  const results = institutions.filter(inst => {
    const normalizedName = normalizeText(inst.name);
    const normalizedState = normalizeText(inst.state);
    const normalizedDistrict = inst.district ? normalizeText(inst.district) : '';
    const aisheCode = inst.aishe_code?.toLowerCase() || '';
    
    // Direct aishe code match (exact or partial)
    const cleanQuery = query.toLowerCase().replace(/[^a-z0-9]/g, '');
    const cleanAisheCode = aisheCode.replace(/[^a-z0-9]/g, '');
    if (aisheCode.includes(query.toLowerCase()) || cleanAisheCode.includes(cleanQuery)) return true;
    
    // Check if all query words match in name, state, or district
    return queryWords.every(word => 
      normalizedName.includes(word) ||
      normalizedState.includes(word) ||
      normalizedDistrict.includes(word)
    );
  });
  
  // Remove duplicates based on normalized name and state
  const seen = new Set();
  const uniqueResults = results.filter(inst => {
    const key = `${normalizeText(inst.name)}_${normalizeText(inst.state)}`;
    if (seen.has(key)) return false;
    seen.add(key);
    return true;
  });
  
  return uniqueResults.slice(0, limit);
}

module.exports = { search };