import React, { Component } from 'react';

class SearchBar extends Component {
  render() {
    return <input />;
  }
};

export default SearchBar;

import React, { Component } from 'react';

class SearchBar extends Component {
  constructor(props) {
    super(props);

    this.state = { term: '' };
  }

  render() {
    return (
      <div>
        <input
          value={this.state.term}
          onChange={event => this.setState({ term: event.target.value })}/>
      </div>
    );
  }
}

export default SearchBar;

Add constructormethod and set state on input value change
Add constructormethod and set state on input value change
