Topic: Fatal error on creating a Hamburguer-menu.
Matheus Ribeiro free asked 5 years ago
Expected behavior:
It was expeceted to show the example menu
Actual behavior:
Crashes application on load
import React, { Component } from "react";
import styled from "styled-components";
import { Nav } from "react-bootstrap";
import { NavLink } from "react-router-dom";
import "./Menu.css";
import { connect } from "react-redux";
import {
MDBNavbar,
MDBContainer,
MDBNavLink,
MDBNavItem,
MDBHamburgerToggler,
MDBNavbarBrand,
MDBNavbarNav,
MDBCollapse
} from "mdbreact";
import { BrowserRouter as Router } from "react-router-dom";
class Menu extends Component {
state = {
collapse1: ""
};
toggleSingleCollapse = collapseId => () => {
this.setState({
[collapseId]: !this.state[collapseId]
});
};
render() {
const NavMenu = styled(Nav)`
height: 100%;
width: 160px;
position: fixed;
z-index: 1;
top: 110px;
left: 10px;
background-color: #fff;
overflow-x: hidden;
`;
return (
<Router>
<MDBContainer>
<MDBNavbar color="indigo darken-2" style={{ marginTop: "20px" }} dark>
<MDBContainer>
<MDBNavbarBrand className="white-text">MDBNavbar</MDBNavbarBrand>
<MDBHamburgerToggler
onClick={this.toggleSingleCollapse("collapse3")}
id="hamburger3"
/>
<MDBCollapse isOpen={this.state.collapse3} navbar>
<MDBNavbarNav left>
<MDBNavItem active>
<MDBNavLink to="#!">Home</MDBNavLink>
</MDBNavItem>
<MDBNavItem>
<MDBNavLink to="#!">Link</MDBNavLink>
</MDBNavItem>
<MDBNavItem>
<MDBNavLink to="#!">Profile</MDBNavLink>
</MDBNavItem>
</MDBNavbarNav>
</MDBCollapse>
</MDBContainer>
</MDBNavbar>
</MDBContainer>
</Router>
);
}
}
const mapStateToProps = state => ({
isPermissaoCOREC: state.authentication.isPermissaoCOREC,
isPermissaoADM: state.authentication.isPermissaoADM
});
export default connect(mapStateToProps)(Menu);
Errors
TypeError: Object(...) is not a function
NavLink
node_modules/mdbreact/dist/mdbreact.esm.js:5677
5674 | };
5675 |
5676 | var NavLink = function NavLink(props) {
> 5677 | var _useState = useState({}),
5678 | _useState2 = _slicedToArray(_useState, 2),
5679 | cursorPos = _useState2[0],
5680 | setCursorPos = _useState2[1];
and many other errors, but I think this one is the principal
Jakub Chmura staff answered 5 years ago
Hi @Matheus Ribeiro,
First of all, you import NavLink from `react-router-home 'and then use MDBNavLink,
You do the same with the NavMenu style according to the styled-components and you never use it.
I'm testing your example, and when I remove extra lines of code, everything works, so it seems to be a problem with your code. I can't reproduce your error, but I got others, except that none of them concerned mdbreact. I think the problem could be using mdbreact and react-bootstrap in one component, and using MDBNavbar together with Nav.
Best regards,
Kuba
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Answered
- ForumUser: Free
- Premium support: No
- Technology: MDB React
- MDB Version: 4.21.1
- Device: Desktop
- Browser: Opera 64.0.3417.73
- OS: Windows 10
- Provided sample code: No
- Provided link: No