Method constructor

deps/v8/tools/system-analyzer/view/tool-tip.mjs:15–34

()

          new Debouncer((...args) => this._setData(...args), 500)

      constructor() {
        super(templateText);
        this._intersectionObserver = new IntersectionObserver((entries) => {
          if (entries[0].intersectionRatio <= 0) {
            this.hide();
          } else {
            this.show();
            this.requestUpdate(true);
          }
        });
        document.addEventListener('click', (event) => {
          // Only hide the tooltip if we click anywhere outside of it.
          let target = event.target;
          while (target) {
            if (target == this) return;
            target = target.parentNode;
          }
          this.hide()
        });
      }

      _update() {
        if (!this._targetNode || this._isHidden) return;