Unable to achieve desired result when trying to combine styled components props with next adjacent selector

After transitioning from active classes to passing props to styled components, I encountered a minor issue. The prop passing is functioning correctly, but there seems to be an issue with the CSS.

Prior to switching to props, this section worked flawlessly:

.element.is-active + .element:before {}

In the version using styled components and props, I expected it to look like this:

const Component = styled.div<IComponent>`

    ${({ isActive }) =>
      isActive
       ? `
        + &:before {
         content: none;
        }
       `
       : ''}
}

I also tried an alternative approach, but unfortunately neither method is producing the desired result:

+ &:before {
    content: ${({ isActive }) => isActive ? 'none' : ''};
}

Answer №1

After some experimentation, I finally figured it out: the mistake was having the & symbol in this line + &:before {.

It seems that in this scenario, SC/css selected the active element instead of the intended one, resulting in a css selector like

.element.is-active + .element.is-active:before

To resolve this issue, I had to adjust my code to:

+ :before {
    content: ${({ isActive }) => isActive ? 'none' : ''};
}

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