Method componentWillUnmount

src/components/Modal.js:171–190

()

  }

  componentWillUnmount() {
    if (!canUseDOM || !this.node || !this.portal) return;

    const state = this.portal.state;
    const now = Date.now();
    const closesAt =
      state.isOpen &&
      this.props.closeTimeoutMS &&
      (state.closesAt || now + this.props.closeTimeoutMS);

    if (closesAt) {
      if (!state.beforeClose) {
        this.portal.closeWithTimeout();
      }

      setTimeout(this.removePortal, closesAt - now);
    } else {
      this.removePortal();
    }
  }

  removePortal = () => {
    !isReact16 && ReactDOM.unmountComponentAtNode(this.node);