react.js

import React, { Component } from 'react'
import {Link} from 'react-router-dom'

import api  from './Api'

class Cakes extends Component {

  constructor(props){
    super(props)
  }
  
  componentDidMount(){
    api.loadCategories()
    .then((res) => {
      return res.data.filter((item) => item.slug === this.props.match.params.slug)
    }).then((data) => console.log(console.log(data)))

  }
  
  render() {
    return (
      <div>
        {this.props.match.params.slug}
      </div>
    )
  }

}

export default Cakes