Function handleBackdropClick

src/Offcanvas.js:167–178

(e)

  // not mouseUp because scrollbar fires it, shouldn't close when user scrolls
  handleBackdropClick(e) {
    if (e.target === this._mouseDownElement) {
      e.stopPropagation();
      const backdrop = this._backdrop.current;

      if (!this.props.isOpen || this.props.backdrop !== true) return;

      if (backdrop && e.target === backdrop && this.props.toggle) {
        this.props.toggle(e);
      }
    }
  }

  handleTab(e) {
    if (e.which !== 9) return;