@wordpress/block-editor/build/components/block-switcher/use-transformed-patterns.cjs.map

Generic block editor.

{
  "version": 3,
  "sources": ["../../../src/components/block-switcher/use-transformed-patterns.js"],
  "sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useMemo } from '@wordpress/element';\nimport { cloneBlock } from '@wordpress/blocks';\n\n/**\n * Internal dependencies\n */\nimport { getMatchingBlockByName, getRetainedBlockAttributes } from './utils';\n\n/**\n * Mutate the matched block's attributes by getting\n * which block type's attributes to retain and prioritize\n * them in the merging of the attributes.\n *\n * @param {WPBlock} match         The matched block.\n * @param {WPBlock} selectedBlock The selected block.\n * @return {void}\n */\nexport const transformMatchingBlock = ( match, selectedBlock ) => {\n\t// Get the block attributes to retain through the transformation.\n\tconst retainedBlockAttributes = getRetainedBlockAttributes(\n\t\tselectedBlock.name,\n\t\tselectedBlock.attributes\n\t);\n\tmatch.attributes = {\n\t\t...match.attributes,\n\t\t...retainedBlockAttributes,\n\t};\n};\n\n/**\n * By providing the selected blocks and pattern's blocks\n * find the matching blocks, transform them and return them.\n * If not all selected blocks are matched, return nothing.\n *\n * @param {WPBlock[]} selectedBlocks The selected blocks.\n * @param {WPBlock[]} patternBlocks  The pattern's blocks.\n * @return {WPBlock[]|void} The transformed pattern's blocks or undefined if not all selected blocks have been matched.\n */\nexport const getPatternTransformedBlocks = (\n\tselectedBlocks,\n\tpatternBlocks\n) => {\n\t// Clone Pattern's blocks to produce new clientIds and be able to mutate the matches.\n\tconst _patternBlocks = patternBlocks.map( ( block ) =>\n\t\tcloneBlock( block )\n\t);\n\t/**\n\t * Keep track of the consumed pattern blocks.\n\t * This is needed because we loop the selected blocks\n\t * and for example we may have selected two paragraphs and\n\t * the pattern's blocks could have more `paragraphs`.\n\t */\n\tconst consumedBlocks = new Set();\n\tfor ( const selectedBlock of selectedBlocks ) {\n\t\tlet isMatch = false;\n\t\tfor ( const patternBlock of _patternBlocks ) {\n\t\t\tconst match = getMatchingBlockByName(\n\t\t\t\tpatternBlock,\n\t\t\t\tselectedBlock.name,\n\t\t\t\tconsumedBlocks\n\t\t\t);\n\t\t\tif ( ! match ) {\n\t\t\t\tcontinue;\n\t\t\t}\n\t\t\tisMatch = true;\n\t\t\tconsumedBlocks.add( match.clientId );\n\t\t\t// We update (mutate) the matching pattern block.\n\t\t\ttransformMatchingBlock( match, selectedBlock );\n\t\t\t// No need to loop through other pattern's blocks.\n\t\t\tbreak;\n\t\t}\n\t\t// Bail early if a selected block has not been matched.\n\t\tif ( ! isMatch ) {\n\t\t\treturn;\n\t\t}\n\t}\n\treturn _patternBlocks;\n};\n\n/**\n * @typedef {WPBlockPattern & {transformedBlocks: WPBlock[]}} TransformedBlockPattern\n */\n\n/**\n * Custom hook that accepts patterns from state and the selected\n * blocks and tries to match these with the pattern's blocks.\n * If all selected blocks are matched with a Pattern's block,\n * we transform them by retaining block's attributes with `role:content`.\n * The transformed pattern's blocks are set to a new pattern\n * property `transformedBlocks`.\n *\n * @param {WPBlockPattern[]} patterns       Patterns from state.\n * @param {WPBlock[]}        selectedBlocks The currently selected blocks.\n * @return {TransformedBlockPattern[]} Returns the eligible matched patterns with all the selected blocks.\n */\nconst useTransformedPatterns = ( patterns, selectedBlocks ) => {\n\treturn useMemo(\n\t\t() =>\n\t\t\tpatterns.reduce( ( accumulator, _pattern ) => {\n\t\t\t\tconst transformedBlocks = getPatternTransformedBlocks(\n\t\t\t\t\tselectedBlocks,\n\t\t\t\t\t_pattern.blocks\n\t\t\t\t);\n\t\t\t\tif ( transformedBlocks ) {\n\t\t\t\t\taccumulator.push( {\n\t\t\t\t\t\t..._pattern,\n\t\t\t\t\t\ttransformedBlocks,\n\t\t\t\t\t} );\n\t\t\t\t}\n\t\t\t\treturn accumulator;\n\t\t\t}, [] ),\n\t\t[ patterns, selectedBlocks ]\n\t);\n};\n\nexport default useTransformedPatterns;\n"],
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}