Import css files and react components in a create-react-app application?

Question

I'm just starting with react.js and create-react-app application so excuse me if this is an obvious question.

My 'src' folder structure is like this:

scr/
....components/
........ComponentA.jsx
........Componentb.jsx
....styles/
........ComponentA.css
....App.css
....App.js
....App.test.js
....index.css
....index.js
...OTHER DEFAULT FILES

In App.js I have this:

import React, { Component } from 'react';
import ComponentA from './components/ComponentA';

class App extends Component {
  render() {
    return (
      <div className="App">
        <ComponentA />
      </div>
    );
  }
}

export default App;

In ComponentA I have this:

import React, { Component } from 'react';
import './styles/ComponentA.css';
import ComponentB from './components/ComponentB';

class ComponentA extends Component {
  render() {
    return (
      <div className="componentAStyle">
        <ComponentB />
      </div>
    );
  }
}

export default ComponentA;

In ComponentB I have this:

import React, { Component } from 'react';

class ComponentB extends Component {
  render() {
    return (
      <div>
        <h1>Hello from ComponentB</h1>
      </div>
    );
  }
}

export default ComponentB;

What I'm trying to do is just import ComponentB from ComponentA and also import the style for ComponentA but all this fall showing the following message:

Failed to compile
./src/components/ComponentA.jsx
Module not found: Can't resolve './styles/ComponentA.css' in 'C:\xampp\htdocs\custom-k39\src\components'
This error occurred during the build time and cannot be dismissed.

And if I remove the css import there is another error message:

Failed to compile
./src/components/ComponentA.jsx
Module not found: Can't resolve './components/ComponentB' in 'C:\xampp\htdocs\custom-k39\src\components'
This error occurred during the build time and cannot be dismissed.

How can I import another component from another component and its respective css?

Thanks.

Community · Accepted Answer · 2020-06-20 09:12:55Z

5

You need to make the paths you are importing are relative to the current location of the file doing the import.

The correct imports would be

Component A

import React, { Component } from 'react';
import '../styles/ComponentA.css';
import ComponentB from './ComponentB';

You can see this working at https://glitch.com/edit/#!/trashy-unicorn.
(Click on Show Live in top left hand corner.)

Currently what is happening with your error is

import ComponentB from './components/ComponentB';

is is looking in the path

src/components/components/ComponentB

which does not exist and so gives you an error. Same thing is happening with your styles.

Hope this helps.

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Jul 9, 2017 at 18:47

Kevin Mccarthy

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2 Comments

Walter Devia Over a year ago

Thanks! It helped me. But now how do you get positioned in 'src/' folder? e.g. How do you import a module located in root of 'src' folder from a component located in 'src/folderA/folderB/folderC/.../Component.jsx' ?

Kevin Mccarthy Over a year ago

you can go back one folder level with '../' This is what happened with import '../styles/ComponentA.css'; It went back one level and then went to styles folder. you can go back two folders with '../../' and so on. You'll need to count how far deep you are from your src folder and then keep adding '../'s until you get there.

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