Method trackQuery

www/js/_hyperscript.js:3147–3155

* Track a DOM query as a dependency. Re-evaluates when any DOM * change occurs within root or its descendants. * @param {Element|Document} root - the element querySelectorAll runs on (e.g. #myTable in `<:checked/> in #myTable`)

(root)

     * @param {Element|Document} root - the element querySelectorAll runs on (e.g. #myTable in `<:checked/> in #myTable`)
     */
    trackQuery(root) {
      if (!this._currentEffect) return;
      root = root || document;
      var key = "query:" + this._getObjectState(root).id;
      this._currentEffect.dependencies.set(
        key,
        { type: "query", root }
      );
    }
    /**
     * Notify that a global variable was written.
     * @param {string} name - Variable name