/**
 * External dependencies
 */
import clsx from 'clsx';

/**
 * WordPress dependencies
 */
import { useDisabled, useMergeRefs } from '@wordpress/compose';
import { useSelect } from '@wordpress/data';
import { memo, useMemo } from '@wordpress/element';
import deprecated from '@wordpress/deprecated';

/**
 * Internal dependencies
 */
import { ExperimentalBlockEditorProvider } from '../provider';
import AutoHeightBlockPreview from './auto';
import EditorStyles from '../editor-styles';
import { store as blockEditorStore } from '../../store';
import { BlockListItems } from '../block-list';
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
const EMPTY_ADDITIONAL_STYLES = [];
export function BlockPreview({
  blocks,
  viewportWidth = 1200,
  minHeight,
  additionalStyles = EMPTY_ADDITIONAL_STYLES,
  // Deprecated props:
  __experimentalMinHeight,
  __experimentalPadding
}) {
  if (__experimentalMinHeight) {
    minHeight = __experimentalMinHeight;
    deprecated('The __experimentalMinHeight prop', {
      since: '6.2',
      version: '6.4',
      alternative: 'minHeight'
    });
  }
  if (__experimentalPadding) {
    additionalStyles = [...additionalStyles, {
      css: `body { padding: ${__experimentalPadding}px; }`
    }];
    deprecated('The __experimentalPadding prop of BlockPreview', {
      since: '6.2',
      version: '6.4',
      alternative: 'additionalStyles'
    });
  }
  const originalSettings = useSelect(select => select(blockEditorStore).getSettings(), []);
  const settings = useMemo(() => ({
    ...originalSettings,
    focusMode: false,
    // Disable "Spotlight mode".
    __unstableIsPreviewMode: true
  }), [originalSettings]);
  const renderedBlocks = useMemo(() => Array.isArray(blocks) ? blocks : [blocks], [blocks]);
  if (!blocks || blocks.length === 0) {
    return null;
  }
  return /*#__PURE__*/_jsx(ExperimentalBlockEditorProvider, {
    value: renderedBlocks,
    settings: settings,
    children: /*#__PURE__*/_jsx(AutoHeightBlockPreview, {
      viewportWidth: viewportWidth,
      minHeight: minHeight,
      additionalStyles: additionalStyles
    })
  });
}

/**
 * BlockPreview renders a preview of a block or array of blocks.
 *
 * @see https://github.com/WordPress/gutenberg/blob/HEAD/packages/block-editor/src/components/block-preview/README.md
 *
 * @param {Object}       preview               options for how the preview should be shown
 * @param {Array|Object} preview.blocks        A block instance (object) or an array of blocks to be previewed.
 * @param {number}       preview.viewportWidth Width of the preview container in pixels. Controls at what size the blocks will be rendered inside the preview. Default: 700.
 *
 * @return {Component} The component to be rendered.
 */
export default memo(BlockPreview);

/**
 * This hook is used to lightly mark an element as a block preview wrapper
 * element. Call this hook and pass the returned props to the element to mark as
 * a block preview wrapper, automatically rendering inner blocks as children. If
 * you define a ref for the element, it is important to pass the ref to this
 * hook, which the hook in turn will pass to the component through the props it
 * returns. Optionally, you can also pass any other props through this hook, and
 * they will be merged and returned.
 *
 * @param {Object}    options        Preview options.
 * @param {WPBlock[]} options.blocks Block objects.
 * @param {Object}    options.props  Optional. Props to pass to the element. Must contain
 *                                   the ref if one is defined.
 * @param {Object}    options.layout Layout settings to be used in the preview.
 */
export function useBlockPreview({
  blocks,
  props = {},
  layout
}) {
  const originalSettings = useSelect(select => select(blockEditorStore).getSettings(), []);
  const settings = useMemo(() => ({
    ...originalSettings,
    styles: undefined,
    // Clear styles included by the parent settings, as they are already output by the parent's EditorStyles.
    focusMode: false,
    // Disable "Spotlight mode".
    __unstableIsPreviewMode: true
  }), [originalSettings]);
  const disabledRef = useDisabled();
  const ref = useMergeRefs([props.ref, disabledRef]);
  const renderedBlocks = useMemo(() => Array.isArray(blocks) ? blocks : [blocks], [blocks]);
  const children = /*#__PURE__*/_jsxs(ExperimentalBlockEditorProvider, {
    value: renderedBlocks,
    settings: settings,
    children: [/*#__PURE__*/_jsx(EditorStyles, {}), /*#__PURE__*/_jsx(BlockListItems, {
      renderAppender: false,
      layout: layout
    })]
  });
  return {
    ...props,
    ref,
    className: clsx(props.className, 'block-editor-block-preview__live-content', 'components-disabled'),
    children: blocks?.length ? children : null
  };
}
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