How can an Embedded React + JSS component safeguard generic elements such as <button> and <p> from being affected by the page's style?

I am facing a challenge with a React component that is being embedded in various webpages, either through an extension or as a third-party tool.

Most of the styling for this component is done using JSS, ensuring unique class names that cannot be overridden by the host page.

However, certain elements within our component, such as <p>, <button>, and headings like <h1> and <h2>, are standard for accessibility purposes. Unfortunately, these elements' styles can get overwritten by the hosting page if it uses specific selectors targeting these elements.

I attempted to encapsulate the React component within a Shadow DOM, but encountered difficulties. It seemed to interfere with React's functionality, resulting in issues like click events not being passed correctly. Even tools like react-shadow (https://github.com/Wildhoney/ReactShadow) did not provide a solution.

Is there a method to safeguard these essential elements' styles from external overrides?

javascripthtmlcssreactjs

Answer №1

To make it easy, simply employ the all: unset property.

.react-root {
  all: unset;
}

Answer №2

To prevent your React component from being affected by existing styles, consider adding a unique class to all HTML elements outside of the component. Begin by including this additional class in your component's code before proceeding with any further development.

Start by creating a comprehensive list of all elements within the document:

var allElements = document.querySelectorAll( '*' );

Next, apply the new class to each of these elements:

for (var i = 0; i < allElements.length; i++) {
    allElements[i].classList.add('newClass');
}

By doing so, you ensure that all elements surrounding your React component will have an extra class to safeguard against potential style conflicts.

Answer №3

I encountered a similar issue in our React application where it was enveloped within another web framework that had its own unique styles for HTML tags. To resolve this, we implemented a CSS reset within the React component.

We meticulously copied all styles from the external framework and crafted our own Reset CSS using those references. This included all tags and CSS pseudo-classes associated with them.

It seemed like the only viable solution at the time.

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