@wordpress/block-editor/build-module/components/grid/use-grid-layout-sync.mjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../../src/components/grid/use-grid-layout-sync.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useDispatch, useSelect } from '@wordpress/data';\nimport { useEffect, useMemo } from '@wordpress/element';\nimport { usePrevious } from '@wordpress/compose';\n\n/**\n * Internal dependencies\n */\nimport { store as blockEditorStore } from '../../store';\nimport { GridRect } from './utils';\nimport { setImmutably } from '../../utils/object';\n\nexport function useGridLayoutSync( { clientId: gridClientId } ) {\n\tconst { gridLayout, blockOrder, selectedBlockLayout } = useSelect(\n\t\t( select ) => {\n\t\t\tconst { getBlockAttributes, getBlockOrder } =\n\t\t\t\tselect( blockEditorStore );\n\t\t\tconst selectedBlock = select( blockEditorStore ).getSelectedBlock();\n\t\t\treturn {\n\t\t\t\tgridLayout: getBlockAttributes( gridClientId ).layout ?? {},\n\t\t\t\tblockOrder: getBlockOrder( gridClientId ),\n\t\t\t\tselectedBlockLayout: selectedBlock?.attributes.style?.layout,\n\t\t\t};\n\t\t},\n\t\t[ gridClientId ]\n\t);\n\n\tconst { getBlockAttributes, getBlockRootClientId } =\n\t\tuseSelect( blockEditorStore );\n\tconst { updateBlockAttributes, __unstableMarkNextChangeAsNotPersistent } =\n\t\tuseDispatch( blockEditorStore );\n\n\tconst selectedBlockRect = useMemo(\n\t\t() =>\n\t\t\tselectedBlockLayout ? new GridRect( selectedBlockLayout ) : null,\n\t\t[ selectedBlockLayout ]\n\t);\n\n\tconst previouslySelectedBlockRect = usePrevious( selectedBlockRect );\n\tconst previousIsManualPlacement = usePrevious(\n\t\tgridLayout.isManualPlacement\n\t);\n\tconst previousBlockOrder = usePrevious( blockOrder );\n\n\tuseEffect( () => {\n\t\tconst updates = {};\n\n\t\tif ( gridLayout.isManualPlacement ) {\n\t\t\tconst occupiedRects = [];\n\n\t\t\t// Respect the position of blocks that already have a columnStart and rowStart value.\n\t\t\tfor ( const clientId of blockOrder ) {\n\t\t\t\tconst {\n\t\t\t\t\tcolumnStart,\n\t\t\t\t\trowStart,\n\t\t\t\t\tcolumnSpan = 1,\n\t\t\t\t\trowSpan = 1,\n\t\t\t\t} = getBlockAttributes( clientId ).style?.layout ?? {};\n\t\t\t\tif ( ! columnStart || ! rowStart ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\toccupiedRects.push(\n\t\t\t\t\tnew GridRect( {\n\t\t\t\t\t\tcolumnStart,\n\t\t\t\t\t\trowStart,\n\t\t\t\t\t\tcolumnSpan,\n\t\t\t\t\t\trowSpan,\n\t\t\t\t\t} )\n\t\t\t\t);\n\t\t\t}\n\n\t\t\t// When in manual mode, ensure that every block has a columnStart and rowStart value.\n\t\t\tfor ( const clientId of blockOrder ) {\n\t\t\t\tconst attributes = getBlockAttributes( clientId );\n\t\t\t\tconst {\n\t\t\t\t\tcolumnStart,\n\t\t\t\t\trowStart,\n\t\t\t\t\tcolumnSpan = 1,\n\t\t\t\t\trowSpan = 1,\n\t\t\t\t} = attributes.style?.layout ?? {};\n\t\t\t\tif ( columnStart && rowStart ) {\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\tconst [ newColumnStart, newRowStart ] = placeBlock(\n\t\t\t\t\toccupiedRects,\n\t\t\t\t\tgridLayout.columnCount,\n\t\t\t\t\tcolumnSpan,\n\t\t\t\t\trowSpan,\n\t\t\t\t\tpreviouslySelectedBlockRect?.columnEnd,\n\t\t\t\t\tpreviouslySelectedBlockRect?.rowEnd\n\t\t\t\t);\n\t\t\t\toccupiedRects.push(\n\t\t\t\t\tnew GridRect( {\n\t\t\t\t\t\tcolumnStart: newColumnStart,\n\t\t\t\t\t\trowStart: newRowStart,\n\t\t\t\t\t\tcolumnSpan,\n\t\t\t\t\t\trowSpan,\n\t\t\t\t\t} )\n\t\t\t\t);\n\t\t\t\tupdates[ clientId ] = {\n\t\t\t\t\tstyle: {\n\t\t\t\t\t\t...attributes.style,\n\t\t\t\t\t\tlayout: {\n\t\t\t\t\t\t\t...attributes.style?.layout,\n\t\t\t\t\t\t\tcolumnStart: newColumnStart,\n\t\t\t\t\t\t\trowStart: newRowStart,\n\t\t\t\t\t\t},\n\t\t\t\t\t},\n\t\t\t\t};\n\t\t\t}\n\n\t\t\t// Ensure there's enough rows to fit all blocks.\n\t\t\tconst bottomMostRow = Math.max(\n\t\t\t\t...occupiedRects.map( ( r ) => r.rowEnd )\n\t\t\t);\n\t\t\tif (\n\t\t\t\t! gridLayout.rowCount ||\n\t\t\t\tgridLayout.rowCount < bottomMostRow\n\t\t\t) {\n\t\t\t\tupdates[ gridClientId ] = {\n\t\t\t\t\tlayout: {\n\t\t\t\t\t\t...gridLayout,\n\t\t\t\t\t\trowCount: bottomMostRow,\n\t\t\t\t\t},\n\t\t\t\t};\n\t\t\t}\n\n\t\t\t// Unset grid layout attributes for blocks removed from the grid.\n\t\t\tfor ( const clientId of previousBlockOrder ?? [] ) {\n\t\t\t\tif ( ! blockOrder.includes( clientId ) ) {\n\t\t\t\t\tconst rootClientId = getBlockRootClientId( clientId );\n\n\t\t\t\t\t// Block was removed from the editor, so nothing to do.\n\t\t\t\t\tif ( rootClientId === null ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Check if the block is being moved to another grid.\n\t\t\t\t\t// If so, do nothing and let the new grid parent handle\n\t\t\t\t\t// the attributes.\n\t\t\t\t\tconst rootAttributes = getBlockAttributes( rootClientId );\n\t\t\t\t\tif ( rootAttributes?.layout?.type === 'grid' ) {\n\t\t\t\t\t\tcontinue;\n\t\t\t\t\t}\n\n\t\t\t\t\tconst attributes = getBlockAttributes( clientId );\n\t\t\t\t\tconst {\n\t\t\t\t\t\tcolumnStart,\n\t\t\t\t\t\trowStart,\n\t\t\t\t\t\tcolumnSpan,\n\t\t\t\t\t\trowSpan,\n\t\t\t\t\t\t...layout\n\t\t\t\t\t} = attributes.style?.layout ?? {};\n\n\t\t\t\t\tif ( columnStart || rowStart || columnSpan || rowSpan ) {\n\t\t\t\t\t\tconst hasEmptyLayoutAttribute =\n\t\t\t\t\t\t\tObject.keys( layout ).length === 0;\n\n\t\t\t\t\t\tupdates[ clientId ] = setImmutably(\n\t\t\t\t\t\t\tattributes,\n\t\t\t\t\t\t\t[ 'style', 'layout' ],\n\t\t\t\t\t\t\thasEmptyLayoutAttribute ? undefined : layout\n\t\t\t\t\t\t);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t} else {\n\t\t\t// Remove all of the columnStart and rowStart values\n\t\t\t// when switching from manual to auto mode,\n\t\t\tif ( previousIsManualPlacement === true ) {\n\t\t\t\tfor ( const clientId of blockOrder ) {\n\t\t\t\t\tconst attributes = getBlockAttributes( clientId );\n\t\t\t\t\tconst { columnStart, rowStart, ...layout } =\n\t\t\t\t\t\tattributes.style?.layout ?? {};\n\t\t\t\t\t// Only update attributes if columnStart or rowStart are set.\n\t\t\t\t\tif ( columnStart || rowStart ) {\n\t\t\t\t\t\tconst hasEmptyLayoutAttribute =\n\t\t\t\t\t\t\tObject.keys( layout ).length === 0;\n\n\t\t\t\t\t\tupdates[ clientId ] = setImmutably(\n\t\t\t\t\t\t\tattributes,\n\t\t\t\t\t\t\t[ 'style', 'layout' ],\n\t\t\t\t\t\t\thasEmptyLayoutAttribute ? undefined : layout\n\t\t\t\t\t\t);\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Remove row styles in auto mode\n\t\t\tif ( gridLayout.rowCount ) {\n\t\t\t\tupdates[ gridClientId ] = {\n\t\t\t\t\tlayout: {\n\t\t\t\t\t\t...gridLayout,\n\t\t\t\t\t\trowCount: undefined,\n\t\t\t\t\t},\n\t\t\t\t};\n\t\t\t}\n\t\t}\n\n\t\tif ( Object.keys( updates ).length ) {\n\t\t\t__unstableMarkNextChangeAsNotPersistent();\n\t\t\tupdateBlockAttributes(\n\t\t\t\tObject.keys( updates ),\n\t\t\t\tupdates,\n\t\t\t\t/* uniqueByBlock: */ true\n\t\t\t);\n\t\t}\n\t}, [\n\t\t// Actual deps to sync:\n\t\tgridClientId,\n\t\tgridLayout,\n\t\tpreviousBlockOrder,\n\t\tblockOrder,\n\t\tpreviouslySelectedBlockRect,\n\t\tpreviousIsManualPlacement,\n\t\t// These won't change, but the linter thinks they might:\n\t\t__unstableMarkNextChangeAsNotPersistent,\n\t\tgetBlockAttributes,\n\t\tgetBlockRootClientId,\n\t\tupdateBlockAttributes,\n\t] );\n}\n\n/**\n * @param {GridRect[]} occupiedRects\n * @param {number}     gridColumnCount\n * @param {number}     blockColumnSpan\n * @param {number}     blockRowSpan\n * @param {number?}    startColumn\n * @param {number?}    startRow\n */\nfunction placeBlock(\n\toccupiedRects,\n\tgridColumnCount,\n\tblockColumnSpan,\n\tblockRowSpan,\n\tstartColumn = 1,\n\tstartRow = 1\n) {\n\tfor ( let row = startRow; ; row++ ) {\n\t\tfor (\n\t\t\tlet column = row === startRow ? startColumn : 1;\n\t\t\tcolumn <= gridColumnCount;\n\t\t\tcolumn++\n\t\t) {\n\t\t\tconst candidateRect = new GridRect( {\n\t\t\t\tcolumnStart: column,\n\t\t\t\trowStart: row,\n\t\t\t\tcolumnSpan: blockColumnSpan,\n\t\t\t\trowSpan: blockRowSpan,\n\t\t\t} );\n\t\t\tif (\n\t\t\t\t! occupiedRects.some( ( r ) =>\n\t\t\t\t\tr.intersectsRect( candidateRect )\n\t\t\t\t)\n\t\t\t) {\n\t\t\t\treturn [ column, row ];\n\t\t\t}\n\t\t}\n\t}\n}\n"],
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