paradiego

node_modules/@mui/system/createTheme/applyStyles.js

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+/**
+ * A universal utility to style components with multiple color modes. Always use it from the theme object.
+ * It works with:
+ *  - [Basic theme](https://mui.com/material-ui/customization/dark-mode/)
+ *  - [CSS theme variables](https://mui.com/material-ui/customization/css-theme-variables/overview/)
+ *  - Zero-runtime engine
+ *
+ * Tips: Use an array over object spread and place `theme.applyStyles()` last.
+ *
+ * ✅ [{ background: '#e5e5e5' }, theme.applyStyles('dark', { background: '#1c1c1c' })]
+ *
+ * 🚫 { background: '#e5e5e5', ...theme.applyStyles('dark', { background: '#1c1c1c' })}
+ *
+ * @example
+ * 1. using with `styled`:
+ * ```jsx
+ *   const Component = styled('div')(({ theme }) => [
+ *     { background: '#e5e5e5' },
+ *     theme.applyStyles('dark', {
+ *       background: '#1c1c1c',
+ *       color: '#fff',
+ *     }),
+ *   ]);
+ * ```
+ *
+ * @example
+ * 2. using with `sx` prop:
+ * ```jsx
+ *   <Box sx={theme => [
+ *     { background: '#e5e5e5' },
+ *     theme.applyStyles('dark', {
+ *        background: '#1c1c1c',
+ *        color: '#fff',
+ *      }),
+ *     ]}
+ *   />
+ * ```
+ *
+ * @example
+ * 3. theming a component:
+ * ```jsx
+ *   extendTheme({
+ *     components: {
+ *       MuiButton: {
+ *         styleOverrides: {
+ *           root: ({ theme }) => [
+ *             { background: '#e5e5e5' },
+ *             theme.applyStyles('dark', {
+ *               background: '#1c1c1c',
+ *               color: '#fff',
+ *             }),
+ *           ],
+ *         },
+ *       }
+ *     }
+ *   })
+ *```
+ */
+export default function applyStyles(key, styles) {
+  // @ts-expect-error this is 'any' type
+  const theme = this;
+  if (theme.vars) {
+    if (!theme.colorSchemes?.[key] || typeof theme.getColorSchemeSelector !== 'function') {
+      return {};
+    }
+    // If CssVarsProvider is used as a provider, returns '*:where({selector}) &'
+    let selector = theme.getColorSchemeSelector(key);
+    if (selector === '&') {
+      return styles;
+    }
+    if (selector.includes('data-') || selector.includes('.')) {
+      // '*' is required as a workaround for Emotion issue (https://github.com/emotion-js/emotion/issues/2836)
+      selector = `*:where(${selector.replace(/\s*&$/, '')}) &`;
+    }
+    return {
+      [selector]: styles
+    };
+  }
+  if (theme.palette.mode === key) {
+    return styles;
+  }
+  return {};
+}