@wordpress/block-editor
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{
"version": 3,
"sources": ["../../../src/components/gradients/use-gradient.js"],
"sourcesContent": ["/**\n * WordPress dependencies\n */\nimport { useCallback, useMemo } from '@wordpress/element';\nimport { useSelect, useDispatch } from '@wordpress/data';\n\n/**\n * Internal dependencies\n */\nimport { useBlockEditContext } from '../block-edit';\nimport { useSettings } from '../use-settings';\nimport { store as blockEditorStore } from '../../store';\n\nexport function __experimentalGetGradientClass( gradientSlug ) {\n\tif ( ! gradientSlug ) {\n\t\treturn undefined;\n\t}\n\treturn `has-${ gradientSlug }-gradient-background`;\n}\n\n/**\n * Retrieves the gradient value per slug.\n *\n * @param {Array} gradients Gradient Palette\n * @param {string} slug Gradient slug\n *\n * @return {string} Gradient value.\n */\nexport function getGradientValueBySlug( gradients, slug ) {\n\tconst gradient = gradients?.find( ( g ) => g.slug === slug );\n\treturn gradient && gradient.gradient;\n}\n\nexport function __experimentalGetGradientObjectByGradientValue(\n\tgradients,\n\tvalue\n) {\n\tconst gradient = gradients?.find( ( g ) => g.gradient === value );\n\treturn gradient;\n}\n\n/**\n * Retrieves the gradient slug per slug.\n *\n * @param {Array} gradients Gradient Palette\n * @param {string} value Gradient value\n * @return {string} Gradient slug.\n */\nexport function getGradientSlugByValue( gradients, value ) {\n\tconst gradient = __experimentalGetGradientObjectByGradientValue(\n\t\tgradients,\n\t\tvalue\n\t);\n\treturn gradient && gradient.slug;\n}\n\nexport function __experimentalUseGradient( {\n\tgradientAttribute = 'gradient',\n\tcustomGradientAttribute = 'customGradient',\n} = {} ) {\n\tconst { clientId } = useBlockEditContext();\n\n\tconst [\n\t\tuserGradientPalette,\n\t\tthemeGradientPalette,\n\t\tdefaultGradientPalette,\n\t] = useSettings(\n\t\t'color.gradients.custom',\n\t\t'color.gradients.theme',\n\t\t'color.gradients.default'\n\t);\n\tconst allGradients = useMemo(\n\t\t() => [\n\t\t\t...( userGradientPalette || [] ),\n\t\t\t...( themeGradientPalette || [] ),\n\t\t\t...( defaultGradientPalette || [] ),\n\t\t],\n\t\t[ userGradientPalette, themeGradientPalette, defaultGradientPalette ]\n\t);\n\tconst { gradient, customGradient } = useSelect(\n\t\t( select ) => {\n\t\t\tconst { getBlockAttributes } = select( blockEditorStore );\n\t\t\tconst attributes = getBlockAttributes( clientId ) || {};\n\t\t\treturn {\n\t\t\t\tcustomGradient: attributes[ customGradientAttribute ],\n\t\t\t\tgradient: attributes[ gradientAttribute ],\n\t\t\t};\n\t\t},\n\t\t[ clientId, gradientAttribute, customGradientAttribute ]\n\t);\n\n\tconst { updateBlockAttributes } = useDispatch( blockEditorStore );\n\tconst setGradient = useCallback(\n\t\t( newGradientValue ) => {\n\t\t\tconst slug = getGradientSlugByValue(\n\t\t\t\tallGradients,\n\t\t\t\tnewGradientValue\n\t\t\t);\n\t\t\tif ( slug ) {\n\t\t\t\tupdateBlockAttributes( clientId, {\n\t\t\t\t\t[ gradientAttribute ]: slug,\n\t\t\t\t\t[ customGradientAttribute ]: undefined,\n\t\t\t\t} );\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tupdateBlockAttributes( clientId, {\n\t\t\t\t[ gradientAttribute ]: undefined,\n\t\t\t\t[ customGradientAttribute ]: newGradientValue,\n\t\t\t} );\n\t\t},\n\t\t[ allGradients, clientId, updateBlockAttributes ]\n\t);\n\n\tconst gradientClass = __experimentalGetGradientClass( gradient );\n\tlet gradientValue;\n\tif ( gradient ) {\n\t\tgradientValue = getGradientValueBySlug( allGradients, gradient );\n\t} else {\n\t\tgradientValue = customGradient;\n\t}\n\treturn { gradientClass, gradientValue, setGradient };\n}\n"],
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