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JavaScript React Components (2018) React Component Patterns The React Challenge: Solution

Brunhilde Vink
Brunhilde Vink
9,102 Points
Posted by Brunhilde Vink
Brunhilde Vink
9,102 Points

Icon(...): Nothing was returned from render. This usually means a return statement is missing.

I followed the exact same steps but it keeps giving me the above error.

Brunhilde Vink
Brunhilde Vink
9,102 Points
Brunhilde Vink
Brunhilde Vink
9,102 Points 
// Player.js

render() {

    const {
      name,
      id,
      score,
      index,
      removePlayer,
      changeScore,
      isHighScore
    } = this.props

    return (
      <div className="player">
        <span className="player-name">
          <button className="remove-player" onClick={() => removePlayer(id)}>✖</button>
          <Icon isHighScore={isHighScore} />
          { name }
        </span>
        <Counter 
          score={score}
          index={index}
          changeScore={changeScore} 
        />
      </div>
    );
  }

// App.js

getHighScore = () => {
const scores = this.state.players.map( p => p.score );
    const highScore = Math.max(...scores);
    if (highScore) {
      return highScore;
    } 
    return null;
}

render() {

    const highScore = this.getHighScore();

    return (
      <div className="scoreboard">
        <Header players={this.state.players} />
        {this.state.players.map( (player, index) => 
          <Player 
            name={player.name}
            score={player.score}
            id={player.id}
            key={player.id.toString()} 
            index={index}
            changeScore={this.handleScoreChange}
            removePlayer={this.handleRemovePlayer}  
            isHighScore={highScore === player.score}
          /> )}
        <AddPlayerForm addPlayer={this.handleAddPlayer}/>
      </div>
    );
  }

// Icon.js

import React from 'react';
import PropTypes from "prop-types";

const Icon = (props) => {
    <svg viewBox="0 0 44 35" className={ props.isHighScore ? 'is-high-score' : null }>
        <path d="M26.7616 10.6207L21.8192 0L16.9973 10.5603C15.3699 14.1207 10.9096 15.2672 7.77534 12.9741L0 7.24138L6.56986 28.8448H37.0685L43.5781 7.72414L35.7425 13.0948C32.6685 15.2672 28.3288 14.0603 26.7616 10.6207Z" transform="translate(0 0.301727)" />
        <rect width="30.4986" height="3.07759" transform="translate(6.56987 31.5603)" />
    </svg>
};

Icon.propTypes = {
    isHighScore: PropTypes.bool
};

export default Icon;

1 Answer

Torben Korb
seal-mask
PLUS
.a{fill-rule:evenodd;}techdegree seal-36
Torben Korb
Front End Web Development Techdegree Graduate 91,394 Points
Torben Korb
.a{fill-rule:evenodd;}techdegree seal-36
Torben Korb
Front End Web Development Techdegree Graduate 91,394 Points

Hi Brunhilde,

try to wrap your return from the Icon component in parentheses instead of curly braces or you'll return a block of code that returns nothing instead of the SVG code. 

const Icon = props => (
    <svg>...
    ...
    </svg>
);

Alternatively you can return the SVG code from inside the code block: 

const Icon = props => {
    return (
    <svg...
    ...
    </svg>);
};

Hope this helps you, happy coding!