@mui/material/Stack/Stack.js

React components that implement Google's Material Design.

import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
import _extends from "@babel/runtime/helpers/esm/extends";
const _excluded = ["component", "direction", "spacing", "divider", "children"];
import * as React from 'react';
import PropTypes from 'prop-types';
import { createUnarySpacing, getValue, handleBreakpoints, unstable_extendSxProp as extendSxProp, unstable_resolveBreakpointValues as resolveBreakpointValues } from '@mui/system';
import { deepmerge } from '@mui/utils';
import styled from '../styles/styled';
import useThemeProps from '../styles/useThemeProps';
/**
 * Return an array with the separator React element interspersed between
 * each React node of the input children.
 *
 * > joinChildren([1,2,3], 0)
 * [1,0,2,0,3]
 */

import { jsx as _jsx } from "react/jsx-runtime";

function joinChildren(children, separator) {
  const childrenArray = React.Children.toArray(children).filter(Boolean);
  return childrenArray.reduce((output, child, index) => {
    output.push(child);

    if (index < childrenArray.length - 1) {
      output.push( /*#__PURE__*/React.cloneElement(separator, {
        key: `separator-${index}`
      }));
    }

    return output;
  }, []);
}

const getSideFromDirection = direction => {
  return {
    row: 'Left',
    'row-reverse': 'Right',
    column: 'Top',
    'column-reverse': 'Bottom'
  }[direction];
};

export const style = ({
  ownerState,
  theme
}) => {
  let styles = _extends({
    display: 'flex'
  }, handleBreakpoints({
    theme
  }, resolveBreakpointValues({
    values: ownerState.direction,
    breakpoints: theme.breakpoints.values
  }), propValue => ({
    flexDirection: propValue
  })));

  if (ownerState.spacing) {
    const transformer = createUnarySpacing(theme);
    const base = Object.keys(theme.breakpoints.values).reduce((acc, breakpoint) => {
      if (ownerState.spacing[breakpoint] != null || ownerState.direction[breakpoint] != null) {
        acc[breakpoint] = true;
      }

      return acc;
    }, {});
    const directionValues = resolveBreakpointValues({
      values: ownerState.direction,
      base
    });
    const spacingValues = resolveBreakpointValues({
      values: ownerState.spacing,
      base
    });

    const styleFromPropValue = (propValue, breakpoint) => {
      return {
        '& > :not(style) + :not(style)': {
          margin: 0,
          [`margin${getSideFromDirection(breakpoint ? directionValues[breakpoint] : ownerState.direction)}`]: getValue(transformer, propValue)
        }
      };
    };

    styles = deepmerge(styles, handleBreakpoints({
      theme
    }, spacingValues, styleFromPropValue));
  }

  return styles;
};
const StackRoot = styled('div', {
  name: 'MuiStack',
  slot: 'Root',
  overridesResolver: (props, styles) => {
    return [styles.root];
  }
})(style);
const Stack = /*#__PURE__*/React.forwardRef(function Stack(inProps, ref) {
  const themeProps = useThemeProps({
    props: inProps,
    name: 'MuiStack'
  });
  const props = extendSxProp(themeProps);

  const {
    component = 'div',
    direction = 'column',
    spacing = 0,
    divider,
    children
  } = props,
        other = _objectWithoutPropertiesLoose(props, _excluded);

  const ownerState = {
    direction,
    spacing
  };
  return /*#__PURE__*/_jsx(StackRoot, _extends({
    as: component,
    ownerState: ownerState,
    ref: ref
  }, other, {
    children: divider ? joinChildren(children, divider) : children
  }));
});
process.env.NODE_ENV !== "production" ? Stack.propTypes
/* remove-proptypes */
= {
  // ----------------------------- Warning --------------------------------
  // | These PropTypes are generated from the TypeScript type definitions |
  // |     To update them edit the d.ts file and run "yarn proptypes"     |
  // ----------------------------------------------------------------------

  /**
   * The content of the component.
   */
  children: PropTypes.node,

  /**
   * The component used for the root node.
   * Either a string to use a HTML element or a component.
   */
  component: PropTypes.elementType,

  /**
   * Defines the `flex-direction` style property.
   * It is applied for all screen sizes.
   * @default 'column'
   */
  direction: PropTypes.oneOfType([PropTypes.oneOf(['column-reverse', 'column', 'row-reverse', 'row']), PropTypes.arrayOf(PropTypes.oneOf(['column-reverse', 'column', 'row-reverse', 'row'])), PropTypes.object]),

  /**
   * Add an element between each child.
   */
  divider: PropTypes.node,

  /**
   * Defines the space between immediate children.
   * @default 0
   */
  spacing: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.number, PropTypes.string])), PropTypes.number, PropTypes.object, PropTypes.string]),

  /**
   * The system prop, which 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])
} : void 0;
export default Stack;