Issue with React MUI V5 causing theme not to display properly within shadow-root element

Question

Issue with React MUI V5 causing theme not to display properly within shadow-root element

After trying to attach the shadow root using the MUI createTheme function, I encountered rendering issues. Despite following the instructions in this helpful guide on the MUI website, my problem persists.

// App.js
const cache = createCache({
  key: 'css',
  prepend: true,
  container: shadowRoot,
  speedy: false
})

return (
  <StyledEngineProvider injectFirst>
    <CacheProvider value={cache}>
      <ThemeProvider theme={themes(customization)}>
        <CssBaseline />
        <NavigationScroll>
          <Routes />
        </NavigationScroll>
      </ThemeProvider>
    </CacheProvider>
  </StyledEngineProvider>
);

// themes.js
const themeOptions = {
  direction: 'ltr',
  palette: themePalette(themeOption),
  mixins: {
    toolbar: {
      minHeight: '48px',
      padding: '16px',
      '@media (min-width: 600px)': {
        minHeight: '48px'
      }
    }
  },
  typography: themeTypography(themeOption)
};

const themes = createTheme(themeOptions);
themes.components = componentStyleOverrides(themeOption);

return themes;

// componentStyleOverrides
const shadowRoot = flowise.shadowRoot.querySelectorAll('#mountPoint')[0];

MuiCssBaseline: {
  defaultProps: {
    container: shadowRoot
  },
  styleOverrides: {
    body: {
      scrollbarWidth: 'thin',
      scrollbarColor: theme?.customization?.isDarkMode
        ? `${theme.colors?.grey500} ${theme.colors?.darkPrimaryMain}`
           .
           .
           .

Despite attempting to mount it in the shadow root, the solution still doesn't seem to be effective:

css reactjs material-ui

Answer 1

Answer №1

It seems like the issue you're encountering could be related to how you're applying Material-UI styles to a component inside a Shadow DOM. To successfully integrate Material-UI with Shadow DOM, it's essential to ensure that the styles are encapsulated correctly within the Shadow DOM. This might require some tweaking.

Follow these steps for using Material-UI with Shadow DOM:

Start by importing the necessary libraries: import { createTheme, CssBaseline, StyledEngineProvider, ThemeProvider } from '@mui/material'; import { CacheProvider } from '@emotion/react'; import createCache from '@emotion/cache';

Create a cache and attach it to the Shadow DOM:

const shadowRoot = document.querySelector('#your-shadow-root-selector');                 
// Replace this with your specific selector
const cache = createCache({
  key: 'css',
  prepend: true,
  container: shadowRoot,
  speedy: false,
});

Define your theme and incorporate the cache:

const theme = createTheme({
  // Your theme configuration goes here
});
theme.components = componentStyleOverrides(theme);

return (
  <StyledEngineProvider injectFirst>
    <CacheProvider value={cache}>
      <ThemeProvider theme={theme}>
        <CssBaseline />
        {/* Insert your app content here */}
      </ThemeProvider>
    </CacheProvider>
  </StyledEngineProvider>
);

Ensure that your componentStyleOverrides function assigns the correct container property for MuiCssBaseline. Here's an example:

const componentStyleOverrides = (themeOption) => {
  const shadowRoot = document.querySelector('#your-shadow-root-selector'); // Replace with your actual selector

  return {
    MuiCssBaseline: {
      defaultProps: {
        container: shadowRoot,
      },
      styleOverrides: {
        // Add your styles here
      },
    },
    // Other component overrides
  };
};

Remember to replace #your-shadow-root-selector with the appropriate selector for your Shadow DOM. The container property should target the root element of your Shadow DOM.

By implementing these adjustments, Material-UI styles should seamlessly integrate within the Shadow DOM of your component. Be sure to use accurate selectors and IDs tailored to your specific scenario.

Answer 2

It seems like the issue you're encountering could be related to how you're applying Material-UI styles to a component inside a Shadow DOM. To successfully integrate Material-UI with Shadow DOM, it's essential to ensure that the styles are encapsulated correctly within the Shadow DOM. This might require some tweaking.

Follow these steps for using Material-UI with Shadow DOM:

Start by importing the necessary libraries: import { createTheme, CssBaseline, StyledEngineProvider, ThemeProvider } from '@mui/material'; import { CacheProvider } from '@emotion/react'; import createCache from '@emotion/cache';

Create a cache and attach it to the Shadow DOM:

const shadowRoot = document.querySelector('#your-shadow-root-selector');                 
// Replace this with your specific selector
const cache = createCache({
  key: 'css',
  prepend: true,
  container: shadowRoot,
  speedy: false,
});

Define your theme and incorporate the cache:

const theme = createTheme({
  // Your theme configuration goes here
});
theme.components = componentStyleOverrides(theme);

return (
  <StyledEngineProvider injectFirst>
    <CacheProvider value={cache}>
      <ThemeProvider theme={theme}>
        <CssBaseline />
        {/* Insert your app content here */}
      </ThemeProvider>
    </CacheProvider>
  </StyledEngineProvider>
);

Ensure that your componentStyleOverrides function assigns the correct container property for MuiCssBaseline. Here's an example:

const componentStyleOverrides = (themeOption) => {
  const shadowRoot = document.querySelector('#your-shadow-root-selector'); // Replace with your actual selector

  return {
    MuiCssBaseline: {
      defaultProps: {
        container: shadowRoot,
      },
      styleOverrides: {
        // Add your styles here
      },
    },
    // Other component overrides
  };
};

Remember to replace #your-shadow-root-selector with the appropriate selector for your Shadow DOM. The container property should target the root element of your Shadow DOM.

By implementing these adjustments, Material-UI styles should seamlessly integrate within the Shadow DOM of your component. Be sure to use accurate selectors and IDs tailored to your specific scenario.

Issue with React MUI V5 causing theme not to display properly within shadow-root element

Answer №1

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