Leveraging CSS attribute selectors within JSX using TypeScript

With pure HTML/CSS, I can achieve the following:

<div color="red">
  red
</div>

<div color="yellow">
  yellow
</div>
div[color="red"] {
  color: red;
}

div[color="yellow"] {
  color: yellow;
}

However, when using React and TypeScript, I aim to accomplish something like this:

const Colored = ({ color }: { color: "yellow" | "red" ) => (
    <div color={color}>
        { color }
    </div>
);

But unfortunately, I cannot add arbitrary props to the div element!

So instead, we could achieve the same result by using:

<Colored color="red" />
<Colored color="yellow" />

Is there a way to achieve this in React, or should I consider a different approach altogether?

Answer №1

If you utilize the

React.HTMLAttributes<HTMLDivElement>
type in this scenario, you are able to include additional properties when working with the DIV element while still maintaining your Colored component.

type IColoredProps =  { color: "yellow" | "red" } & React.HTMLAttributes<HTMLDivElement>
     
const Colored: FC<IColoredProp> = (props) => (
    <div {...props}>
        {props.color}
    </div>
);

Now, the color option is mandatory and must be either "red" or "yellow". You can also pass other properties that a standard div element can accept.

<Colored style={{ fontSize: "25px" }} color="red"/>

Answer №2

I have crafted a CodeSandbox demonstration just for you:

  • Instead of using
    <Colored text="red" />
    , try implementing
    <Colored color="red" />

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