@mui/material/modern/Paper/Paper.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

'use client';

import * as React from 'react';
import PropTypes from 'prop-types';
import clsx from 'clsx';
import integerPropType from '@mui/utils/integerPropType';
import chainPropTypes from '@mui/utils/chainPropTypes';
import composeClasses from '@mui/utils/composeClasses';
import { alpha } from '@mui/system/colorManipulator';
import { styled, useTheme } from "../zero-styled/index.js";
import memoTheme from "../utils/memoTheme.js";
import { useDefaultProps } from "../DefaultPropsProvider/index.js";
import getOverlayAlpha from "../styles/getOverlayAlpha.js";
import { getPaperUtilityClass } from "./paperClasses.js";
import { jsx as _jsx } from "react/jsx-runtime";
const useUtilityClasses = ownerState => {
  const {
    square,
    elevation,
    variant,
    classes
  } = ownerState;
  const slots = {
    root: ['root', variant, !square && 'rounded', variant === 'elevation' && `elevation${elevation}`]
  };
  return composeClasses(slots, getPaperUtilityClass, classes);
};
const PaperRoot = styled('div', {
  name: 'MuiPaper',
  slot: 'Root',
  overridesResolver: (props, styles) => {
    const {
      ownerState
    } = props;
    return [styles.root, styles[ownerState.variant], !ownerState.square && styles.rounded, ownerState.variant === 'elevation' && styles[`elevation${ownerState.elevation}`]];
  }
})(memoTheme(({
  theme
}) => ({
  backgroundColor: (theme.vars || theme).palette.background.paper,
  color: (theme.vars || theme).palette.text.primary,
  transition: theme.transitions.create('box-shadow'),
  variants: [{
    props: ({
      ownerState
    }) => !ownerState.square,
    style: {
      borderRadius: theme.shape.borderRadius
    }
  }, {
    props: {
      variant: 'outlined'
    },
    style: {
      border: `1px solid ${(theme.vars || theme).palette.divider}`
    }
  }, {
    props: {
      variant: 'elevation'
    },
    style: {
      boxShadow: 'var(--Paper-shadow)',
      backgroundImage: 'var(--Paper-overlay)'
    }
  }]
})));
const Paper = /*#__PURE__*/React.forwardRef(function Paper(inProps, ref) {
  const props = useDefaultProps({
    props: inProps,
    name: 'MuiPaper'
  });
  const theme = useTheme();
  const {
    className,
    component = 'div',
    elevation = 1,
    square = false,
    variant = 'elevation',
    ...other
  } = props;
  const ownerState = {
    ...props,
    component,
    elevation,
    square,
    variant
  };
  const classes = useUtilityClasses(ownerState);
  if (process.env.NODE_ENV !== 'production') {
    if (theme.shadows[elevation] === undefined) {
      console.error([`MUI: The elevation provided <Paper elevation={${elevation}}> is not available in the theme.`, `Please make sure that \`theme.shadows[${elevation}]\` is defined.`].join('\n'));
    }
  }
  return /*#__PURE__*/_jsx(PaperRoot, {
    as: component,
    ownerState: ownerState,
    className: clsx(classes.root, className),
    ref: ref,
    ...other,
    style: {
      ...(variant === 'elevation' && {
        '--Paper-shadow': (theme.vars || theme).shadows[elevation],
        ...(theme.vars && {
          '--Paper-overlay': theme.vars.overlays?.[elevation]
        }),
        ...(!theme.vars && theme.palette.mode === 'dark' && {
          '--Paper-overlay': `linear-gradient(${alpha('#fff', getOverlayAlpha(elevation))}, ${alpha('#fff', getOverlayAlpha(elevation))})`
        })
      }),
      ...other.style
    }
  });
});
process.env.NODE_ENV !== "production" ? Paper.propTypes /* remove-proptypes */ = {
  // ┌────────────────────────────── Warning ──────────────────────────────┐
  // │ These PropTypes are generated from the TypeScript type definitions. │
  // │    To update them, edit the d.ts file and run `pnpm proptypes`.     │
  // └─────────────────────────────────────────────────────────────────────┘
  /**
   * The content of the component.
   */
  children: PropTypes.node,
  /**
   * Override or extend the styles applied to the component.
   */
  classes: PropTypes.object,
  /**
   * @ignore
   */
  className: PropTypes.string,
  /**
   * The component used for the root node.
   * Either a string to use a HTML element or a component.
   */
  component: PropTypes.elementType,
  /**
   * Shadow depth, corresponds to `dp` in the spec.
   * It accepts values between 0 and 24 inclusive.
   * @default 1
   */
  elevation: chainPropTypes(integerPropType, props => {
    const {
      elevation,
      variant
    } = props;
    if (elevation > 0 && variant === 'outlined') {
      return new Error(`MUI: Combining \`elevation={${elevation}}\` with \`variant="${variant}"\` has no effect. Either use \`elevation={0}\` or use a different \`variant\`.`);
    }
    return null;
  }),
  /**
   * If `true`, rounded corners are disabled.
   * @default false
   */
  square: PropTypes.bool,
  /**
   * @ignore
   */
  style: PropTypes.object,
  /**
   * The system prop that allows defining system overrides as well as additional CSS styles.
   */
  sx: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.func, PropTypes.object, PropTypes.bool])), PropTypes.func, PropTypes.object]),
  /**
   * The variant to use.
   * @default 'elevation'
   */
  variant: PropTypes /* @typescript-to-proptypes-ignore */.oneOfType([PropTypes.oneOf(['elevation', 'outlined']), PropTypes.string])
} : void 0;
export default Paper;