<a href="https://www.npmjs.com/package/elasticlunr" rel="nofollow">https://www.npmjs.com/package/elasticlunr</a><p>"Elasticlunr.js provides Query-Time boosting, field search, more rational scoring/ranking methodology, fast computation speed and so on. Elasticlunr.js is a bit like Solr, but much smaller and not as bright, but also provide flexible configuration, query-time boosting, field search and other features."