Enhance your theme property in Styled Components by incorporating numerous style properties

Question

Enhance your theme property in Styled Components by incorporating numerous style properties

Currently, I am delving into the world of styled components for a fresh project and exploring the theming capabilities it offers. I am finding it challenging to determine the best practice for adding multiple style properties to a single object, essentially creating a form of inheritance. My objective is as follows:

// Establish a set of styles for a specific component within the theme
// For example, every font includes a font-family, weight, size, etc
const theme = {
  fonts: {
    font-family: ...,
    font-weight: ...,
    font-size: ...,
  }
}

// Within the styled component,
// include the multi-line theme, as well as component-specific styling
// and potentially override the theme styles
const Header = styled.span`
  ${props => props.theme.fonts};
  text-decoration: underline;
  ...
`;

Currently, it seems necessary to pass the theme property to each style within the component. Is there a design pattern that could help streamline the code repetition evident in my example above?

css reactjs react-native styled-components

Answer 1

Answer №1

One practice I often follow is organizing theme styles in separate files. For instance:

MyCustomComponent
- index.js
- styles.js //<-- Custom styles for the component
theme
- spacing.js // <-- Standard styles for all components
- colors.js
- fonts.js

In the spacing.js file, it might look something like this:

const verticalPaddingSmall = {
  paddingTop: 5,
  paddingBottom: 5,
};

const verticalPaddingMedium = {
  paddingTop: 10,
  paddingBottom: 10,
};

export default function spacing(size, direction, isPadding) {
  // Some logic to determine the correct object based on parameters,
  // such as screen size (tablets vs. phones), etc.
  return verticalPaddingSmall;
}

This code snippet is generated automatically based on configurations set for various screen sizes, resulting in a similar outcome.

In the custom component, I import the common styles, apply them to the component's styles, and make adjustments if necessary. Here's an example from styles.js:

import spacing from 'themes/spacing';
import fonts from 'themes/fonts';

const customStyles = StyleSheet.create({
  main: {
    ...spacing('small', 'vertical', true),
  },
  title: {
    ...spacing('xsmall', 'horizontal', false),
    ...fonts.title,
    fontSize: 25, //<--- Overriding default title values
  },
});

I typically avoid direct style overrides on components, as the shared styles handle variations for tablets and phones, similar to media queries in web development.

Answer 2

One practice I often follow is organizing theme styles in separate files. For instance:

MyCustomComponent
- index.js
- styles.js //<-- Custom styles for the component
theme
- spacing.js // <-- Standard styles for all components
- colors.js
- fonts.js

In the spacing.js file, it might look something like this:

const verticalPaddingSmall = {
  paddingTop: 5,
  paddingBottom: 5,
};

const verticalPaddingMedium = {
  paddingTop: 10,
  paddingBottom: 10,
};

export default function spacing(size, direction, isPadding) {
  // Some logic to determine the correct object based on parameters,
  // such as screen size (tablets vs. phones), etc.
  return verticalPaddingSmall;
}

This code snippet is generated automatically based on configurations set for various screen sizes, resulting in a similar outcome.

In the custom component, I import the common styles, apply them to the component's styles, and make adjustments if necessary. Here's an example from styles.js:

import spacing from 'themes/spacing';
import fonts from 'themes/fonts';

const customStyles = StyleSheet.create({
  main: {
    ...spacing('small', 'vertical', true),
  },
  title: {
    ...spacing('xsmall', 'horizontal', false),
    ...fonts.title,
    fontSize: 25, //<--- Overriding default title values
  },
});

I typically avoid direct style overrides on components, as the shared styles handle variations for tablets and phones, similar to media queries in web development.

Enhance your theme property in Styled Components by incorporating numerous style properties

Answer №1

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