@wordpress/block-editor/build-module/hooks/spacing-visualizer.mjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../src/hooks/spacing-visualizer.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useState, useRef, useEffect, useReducer } from '@wordpress/element';\nimport { isShallowEqual } from '@wordpress/is-shallow-equal';\n\n/**\n * Internal dependencies\n */\nimport BlockPopoverCover from '../components/block-popover/cover';\nimport { useBlockElement } from '../components/block-list/use-block-props/use-block-refs';\n\nfunction SpacingVisualizer( { clientId, value, computeStyle, forceShow } ) {\n\tconst blockElement = useBlockElement( clientId );\n\tconst [ style, updateStyle ] = useReducer( () =>\n\t\tcomputeStyle( blockElement )\n\t);\n\n\t// Force style computation when forceShow becomes true (e.g., when hovering control)\n\t// to ensure visualizer displays correct dimensions on first render.\n\tuseEffect( () => {\n\t\tif ( blockElement && forceShow ) {\n\t\t\tupdateStyle();\n\t\t}\n\t}, [ blockElement, forceShow ] );\n\n\t// It's not sufficient to read the block's computed style when `value` changes because\n\t// the effect would run before the block\u2019s style has updated. Thus observing mutations\n\t// to the block\u2019s attributes is used to trigger updates to the visualizer\u2019s styles.\n\tuseEffect( () => {\n\t\tif ( ! blockElement ) {\n\t\t\treturn;\n\t\t}\n\t\tconst observer = new window.MutationObserver( updateStyle );\n\t\tobserver.observe( blockElement, {\n\t\t\tattributes: true,\n\t\t\tattributeFilter: [ 'style', 'class' ],\n\t\t} );\n\t\treturn () => {\n\t\t\tobserver.disconnect();\n\t\t};\n\t}, [ blockElement ] );\n\n\tconst previousValueRef = useRef( value );\n\tconst [ isActive, setIsActive ] = useState( false );\n\n\tuseEffect( () => {\n\t\tif ( isShallowEqual( value, previousValueRef.current ) || forceShow ) {\n\t\t\treturn;\n\t\t}\n\n\t\tsetIsActive( true );\n\t\tpreviousValueRef.current = value;\n\n\t\tconst timeout = setTimeout( () => {\n\t\t\tsetIsActive( false );\n\t\t}, 400 );\n\n\t\treturn () => {\n\t\t\tsetIsActive( false );\n\t\t\tclearTimeout( timeout );\n\t\t};\n\t}, [ value, forceShow ] );\n\n\tif ( ! isActive && ! forceShow ) {\n\t\treturn null;\n\t}\n\n\treturn (\n\t\t<BlockPopoverCover\n\t\t\tclientId={ clientId }\n\t\t\t__unstablePopoverSlot=\"block-toolbar\"\n\t\t>\n\t\t\t<div className=\"block-editor__spacing-visualizer\" style={ style } />\n\t\t</BlockPopoverCover>\n\t);\n}\n\nfunction getComputedCSS( element, property ) {\n\treturn element.ownerDocument.defaultView\n\t\t.getComputedStyle( element )\n\t\t.getPropertyValue( property );\n}\n\nexport function MarginVisualizer( { clientId, value, forceShow } ) {\n\treturn (\n\t\t<SpacingVisualizer\n\t\t\tclientId={ clientId }\n\t\t\tvalue={ value?.spacing?.margin }\n\t\t\tcomputeStyle={ ( blockElement ) => {\n\t\t\t\tconst top = getComputedCSS( blockElement, 'margin-top' );\n\t\t\t\tconst right = getComputedCSS( blockElement, 'margin-right' );\n\t\t\t\tconst bottom = getComputedCSS( blockElement, 'margin-bottom' );\n\t\t\t\tconst left = getComputedCSS( blockElement, 'margin-left' );\n\t\t\t\treturn {\n\t\t\t\t\tborderTopWidth: top,\n\t\t\t\t\tborderRightWidth: right,\n\t\t\t\t\tborderBottomWidth: bottom,\n\t\t\t\t\tborderLeftWidth: left,\n\t\t\t\t\ttop: top ? `-${ top }` : 0,\n\t\t\t\t\tright: right ? `-${ right }` : 0,\n\t\t\t\t\tbottom: bottom ? `-${ bottom }` : 0,\n\t\t\t\t\tleft: left ? `-${ left }` : 0,\n\t\t\t\t};\n\t\t\t} }\n\t\t\tforceShow={ forceShow }\n\t\t/>\n\t);\n}\n\nexport function PaddingVisualizer( { clientId, value, forceShow } ) {\n\treturn (\n\t\t<SpacingVisualizer\n\t\t\tclientId={ clientId }\n\t\t\tvalue={ value?.spacing?.padding }\n\t\t\tcomputeStyle={ ( blockElement ) => ( {\n\t\t\t\tborderTopWidth: getComputedCSS( blockElement, 'padding-top' ),\n\t\t\t\tborderRightWidth: getComputedCSS(\n\t\t\t\t\tblockElement,\n\t\t\t\t\t'padding-right'\n\t\t\t\t),\n\t\t\t\tborderBottomWidth: getComputedCSS(\n\t\t\t\t\tblockElement,\n\t\t\t\t\t'padding-bottom'\n\t\t\t\t),\n\t\t\t\tborderLeftWidth: getComputedCSS( blockElement, 'padding-left' ),\n\t\t\t} ) }\n\t\t\tforceShow={ forceShow }\n\t\t/>\n\t);\n}\n"],
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