feat: add support for track_total_hits

src/core/request-body-search.js

@@ -315,6 +315,20 @@ class RequestBodySearch {
         return this;
     }
 
+    /**
+     * The `track_total_hits` parameter allows you to control how the total number of hits
+     * should be tracked.
+     *
+     * Pass `true`, `false`, or the upper limit (default: `10000`) of hits you want tracked.
+     *
+     * @param {boolean|number} enableOrLimit
+     * @returns {RequestBodySearch} returns `this` so that calls can be chained
+     */
+    trackTotalHits(enableOrLimit) {
+        this._body.track_total_hits = enableOrLimit;
+        return this;
+    }
+
     /**
      * Allows to control how the `_source` field is returned with every hit.
      * You can turn off `_source` retrieval by passing `false`.

src/index.d.ts

@@ -134,6 +134,15 @@ declare namespace esb {
          */
         trackScores(enable: boolean): this;
 
+        /**
+         * The track_total_hits parameter allows you to control how the total number of hits should be tracked.
+         *
+         * Pass true, false, or the upper limit of hits you want tracked.
+         *
+         * @param {boolean|number} enable
+         */
+        trackTotalHits(enable: boolean|number): this;
+
         /**
          * Allows to control how the `_source` field is returned with every hit.
          * You can turn off `_source` retrieval by passing `false`.

test/core-test/request-body-search.test.js

@@ -98,6 +98,7 @@ test(setsOption, 'sorts', {
     keyName: 'sort'
 });
 test(setsOption, 'trackScores', { param: true });
+test(setsOption, 'trackTotalHits', { param: true });
 test(setsOption, 'version', { param: true });
 test(setsOption, 'explain', { param: true });
 test(setsOption, 'highlight', {