In a React App, what is the best way to customize a Font Awesome Icon by utilizing the ::before CSS pseudo element?

Currently, I am working on a React app where I have implemented a FontAwesomeIcon like this:

< FontAwesomeIcon icon="chart-line" size="lg" className="icon trendingIcon"/>

Although the chart-line icon is displayed, I wanted to remove the lines representing the x and y axis of the icon. I tried using the solution provided in this fiddle: https://jsfiddle.net/3uvkqowo/4/

Unfortunately, the solution did not work for me. I made sure to enable searchPseudoElements by adding the following code:

window.FontAwesomeConfig = {
    searchPseudoElements: true
};

For some reason, the ::before from CSS is not being applied as expected.

The CSS classes "icon" & "trendingIcon" have the following definitions:

.icon {
padding-right: 2%;
}

.trendingIcon {
padding-top: 1%;
padding-right: 6%;
}

Answer №1

If you are open to using FontAwesome's Power Transforms feature (which is used in react-fontawesome), then you can easily shift the icon down and to the left without relying on CSS pseudo-selectors.

Check out this demonstration on code sandbox.

Your JSX code would resemble the following:

 <FontAwesomeIcon
        id="edited"
        icon={faChartLine}
        size="lg"
        className="icon trending-icon"
        fixedWidth
        transform="down-4 left-4"
      />

And your corresponding CSS code would be:

svg.icon[data-icon="chart-line"] {
  overflow:hidden;
}

The end result will appear like this:

https://i.sstatic.net/nnnGk.png

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