{
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  "sources": ["../../../src/higher-order/with-fallback-styles/index.tsx"],
  "sourcesContent": ["/**\n * External dependencies\n */\nimport fastDeepEqual from 'fast-deep-equal/es6/index.js';\n\n/**\n * WordPress dependencies\n */\nimport { useState, useRef } from '@wordpress/element';\nimport { createHigherOrderComponent, useIsomorphicLayoutEffect } from '@wordpress/compose';\nimport { jsx as _jsx, jsxs as _jsxs } from \"react/jsx-runtime\";\nexport default mapNodeToProps => createHigherOrderComponent(WrappedComponent => {\n  return function WithFallbackStyles(props) {\n    const [fallbackStyles, setFallbackStyles] = useState(undefined);\n    const nodeRef = useRef(null);\n\n    // Runs before paint, so the fallback styles apply without a flash.\n    useIsomorphicLayoutEffect(() => {\n      const node = props.node ?? nodeRef.current;\n      // Derived from fallbackStyles: the grab is complete once every\n      // mapped value has resolved to a truthy style.\n      const grabStylesCompleted = !!fallbackStyles && Object.values(fallbackStyles).every(Boolean);\n      if (node && !grabStylesCompleted) {\n        const newFallbackStyles = mapNodeToProps(node, props);\n        if (!fastDeepEqual(newFallbackStyles, fallbackStyles)) {\n          setFallbackStyles(newFallbackStyles);\n        }\n      }\n    });\n    const wrappedComponent = /*#__PURE__*/_jsx(WrappedComponent, {\n      ...props,\n      ...fallbackStyles\n    });\n    return props.node ? wrappedComponent : /*#__PURE__*/_jsxs(\"div\", {\n      ref: nodeRef,\n      children: [\" \", wrappedComponent, \" \"]\n    });\n  };\n}, 'withFallbackStyles');"],
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