@wordpress/block-editor/build-module/components/block-preview/auto.mjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../../src/components/block-preview/auto.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useResizeObserver, useRefEffect } from '@wordpress/compose';\nimport { useSelect } from '@wordpress/data';\nimport { memo, useMemo } from '@wordpress/element';\nimport { Disabled } from '@wordpress/components';\n\n/**\n * Internal dependencies\n */\nimport BlockList from '../block-list';\nimport Iframe from '../iframe';\nimport EditorStyles from '../editor-styles';\nimport { store } from '../../store';\n\n// This is used to avoid rendering the block list if the sizes change.\nconst MemoizedBlockList = memo( BlockList );\n\nconst MAX_HEIGHT = 2000;\nconst EMPTY_ADDITIONAL_STYLES = [];\n\nfunction ScaledBlockPreview( {\n\tviewportWidth,\n\tcontainerWidth,\n\tminHeight,\n\tadditionalStyles = EMPTY_ADDITIONAL_STYLES,\n} ) {\n\tif ( ! viewportWidth ) {\n\t\tviewportWidth = containerWidth;\n\t}\n\n\tconst [ contentResizeListener, { height: contentHeight } ] =\n\t\tuseResizeObserver();\n\tconst { styles } = useSelect( ( select ) => {\n\t\tconst settings = select( store ).getSettings();\n\t\treturn {\n\t\t\tstyles: settings.styles,\n\t\t};\n\t}, [] );\n\n\t// Avoid scrollbars for pattern previews.\n\tconst editorStyles = useMemo( () => {\n\t\tif ( styles ) {\n\t\t\treturn [\n\t\t\t\t...styles,\n\t\t\t\t{\n\t\t\t\t\tcss: 'body{height:auto;overflow:hidden;border:none;padding:0;}',\n\t\t\t\t\t__unstableType: 'presets',\n\t\t\t\t},\n\t\t\t\t...additionalStyles,\n\t\t\t];\n\t\t}\n\n\t\treturn styles;\n\t}, [ styles, additionalStyles ] );\n\n\tconst scale = containerWidth / viewportWidth;\n\tconst aspectRatio = contentHeight\n\t\t? containerWidth / ( contentHeight * scale )\n\t\t: 0;\n\treturn (\n\t\t<Disabled\n\t\t\tclassName=\"block-editor-block-preview__content\"\n\t\t\tstyle={ {\n\t\t\t\ttransform: `scale(${ scale })`,\n\t\t\t\t// Using width + aspect-ratio instead of height here triggers browsers' native\n\t\t\t\t// handling of scrollbar's visibility. It prevents the flickering issue seen\n\t\t\t\t// in https://github.com/WordPress/gutenberg/issues/52027.\n\t\t\t\t// See https://github.com/WordPress/gutenberg/pull/52921 for more info.\n\t\t\t\taspectRatio,\n\t\t\t\tmaxHeight:\n\t\t\t\t\tcontentHeight > MAX_HEIGHT ? MAX_HEIGHT * scale : undefined,\n\t\t\t\tminHeight,\n\t\t\t} }\n\t\t>\n\t\t\t<Iframe\n\t\t\t\tcontentRef={ useRefEffect( ( bodyElement ) => {\n\t\t\t\t\tconst {\n\t\t\t\t\t\townerDocument: { documentElement },\n\t\t\t\t\t} = bodyElement;\n\t\t\t\t\tdocumentElement.classList.add(\n\t\t\t\t\t\t'block-editor-block-preview__content-iframe'\n\t\t\t\t\t);\n\t\t\t\t\tdocumentElement.style.position = 'absolute';\n\t\t\t\t\tdocumentElement.style.width = '100%';\n\n\t\t\t\t\t// Necessary for contentResizeListener to work.\n\t\t\t\t\tbodyElement.style.boxSizing = 'border-box';\n\t\t\t\t\tbodyElement.style.position = 'absolute';\n\t\t\t\t\tbodyElement.style.width = '100%';\n\t\t\t\t}, [] ) }\n\t\t\t\taria-hidden\n\t\t\t\ttabIndex={ -1 }\n\t\t\t\tstyle={ {\n\t\t\t\t\tposition: 'absolute',\n\t\t\t\t\twidth: viewportWidth,\n\t\t\t\t\theight: contentHeight,\n\t\t\t\t\tpointerEvents: 'none',\n\t\t\t\t\t// This is a catch-all max-height for patterns.\n\t\t\t\t\t// See: https://github.com/WordPress/gutenberg/pull/38175.\n\t\t\t\t\tmaxHeight: MAX_HEIGHT,\n\t\t\t\t\tminHeight:\n\t\t\t\t\t\tscale !== 0 && scale < 1 && minHeight\n\t\t\t\t\t\t\t? minHeight / scale\n\t\t\t\t\t\t\t: minHeight,\n\t\t\t\t} }\n\t\t\t>\n\t\t\t\t<EditorStyles styles={ editorStyles } />\n\t\t\t\t{ contentResizeListener }\n\t\t\t\t<MemoizedBlockList renderAppender={ false } />\n\t\t\t</Iframe>\n\t\t</Disabled>\n\t);\n}\n\nexport default function AutoBlockPreview( props ) {\n\tconst [ containerResizeListener, { width: containerWidth } ] =\n\t\tuseResizeObserver();\n\n\treturn (\n\t\t<>\n\t\t\t<div style={ { position: 'relative', width: '100%', height: 0 } }>\n\t\t\t\t{ containerResizeListener }\n\t\t\t</div>\n\t\t\t<div className=\"block-editor-block-preview__container\">\n\t\t\t\t{ !! containerWidth && (\n\t\t\t\t\t<ScaledBlockPreview\n\t\t\t\t\t\t{ ...props }\n\t\t\t\t\t\tcontainerWidth={ containerWidth }\n\t\t\t\t\t/>\n\t\t\t\t) }\n\t\t\t</div>\n\t\t</>\n\t);\n}\n"],
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