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Introducing Small Widget React Packages

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Chen Han
Chen Han

classname

The classname function is a utility function that allows you to generate a dynamic class string based on certain conditions. It can be used with any CSS framework, including Tailwind CSS. You can use it to conditionally apply different styles based on certain conditions. For example, you might use it to apply a different background color to an element based on whether a form field is valid or invalid.

In addition to combining class names, you can also use classname to conditionally include or exclude class names based on certain conditions. For example, you might use it to only apply a certain class name to an element if a certain prop is truthy, or to apply a different class name if the prop is falsy.

Here is an example of how you might use classname to apply different styles to an element based on a prop:

import classname from 'classname';

function MyComponent({ isValid }) {
  return (
    <div className={classname({
      'bg-red-500': !isValid,
      'bg-green-500': isValid
    })}>
      This element's background color will be red if the "isValid" prop is falsy, and green if it is truthy.
    </div>
  );
}

In this example, the classname function will generate a class string that includes either the bg-red-500 or bg-green-500 class, depending on the value of the isValid prop. This allows you to dynamically apply different styles to the element based on the prop's value.

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