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jss

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jss

A lib for generating Style Sheets with JavaScript.

  • 9.8.2
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
1.8M
decreased by-14.36%
Maintainers
1
Weekly downloads
 
Created

What is jss?

JSS (JavaScript Style Sheets) is a library for generating CSS styles with JavaScript. It allows you to define styles in a JavaScript object and apply them to your components, making it easier to manage and maintain styles in a JavaScript-centric development environment.

What are jss's main functionalities?

Creating Styles

This feature allows you to create styles using JavaScript objects. The `createStyleSheet` method generates a stylesheet from the provided styles and attaches it to the document.

const styles = {
  button: {
    color: 'blue',
    background: 'white',
    border: '1px solid blue'
  }
};

const { classes } = jss.createStyleSheet(styles).attach();

// Usage in a component
const button = document.createElement('button');
button.className = classes.button;
button.textContent = 'Click me';
document.body.appendChild(button);

Dynamic Styles

This feature allows you to create dynamic styles that can change based on props or state. The `update` method is used to update the styles with new values.

const styles = {
  button: {
    color: props => props.color,
    background: 'white',
    border: '1px solid blue'
  }
};

const sheet = jss.createStyleSheet(styles);
const { classes } = sheet.update({ color: 'red' }).attach();

// Usage in a component
const button = document.createElement('button');
button.className = classes.button;
button.textContent = 'Click me';
document.body.appendChild(button);

Theming

This feature allows you to create themes that can be applied to your styles. The styles can reference theme variables, making it easy to switch themes or update theme values.

const theme = {
  primaryColor: 'blue',
  secondaryColor: 'green'
};

const styles = theme => ({
  button: {
    color: theme.primaryColor,
    background: 'white',
    border: `1px solid ${theme.primaryColor}`
  }
});

const sheet = jss.createStyleSheet(styles(theme)).attach();
const { classes } = sheet;

// Usage in a component
const button = document.createElement('button');
button.className = classes.button;
button.textContent = 'Click me';
document.body.appendChild(button);

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Package last updated on 01 Jun 2018

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