{
  "version": 3,
  "sources": ["../../../../src/lib/ui/components/BackToContent.tsx"],
  "sourcesContent": ["import { useEditor } from '@tldraw/editor'\nimport { useEffect, useState } from 'react'\nimport { useActions } from '../hooks/useActions'\nimport { Button } from './primitives/Button'\n\nexport function BackToContent() {\n\tconst editor = useEditor()\n\n\tconst actions = useActions()\n\tconst action = actions['back-to-content']\n\n\tconst [showBackToContent, setShowBackToContent] = useState(false)\n\n\tuseEffect(() => {\n\t\tlet showBackToContentPrev = false\n\n\t\tconst interval = setInterval(() => {\n\t\t\tconst { renderingShapes, renderingBounds } = editor\n\n\t\t\t// renderingShapes will also include shapes that have the canUnmount flag\n\t\t\t// set to true. These shapes will be on the canvas but may not be in the\n\t\t\t// viewport... so we also need to narrow down the list to only shapes that\n\t\t\t// are ALSO in the viewport.\n\t\t\tconst visibleShapes = renderingShapes.filter(\n\t\t\t\t(s) => s.maskedPageBounds && renderingBounds.includes(s.maskedPageBounds)\n\t\t\t)\n\t\t\tconst showBackToContentNow = visibleShapes.length === 0 && editor.currentPageShapes.length > 0\n\n\t\t\tif (showBackToContentPrev !== showBackToContentNow) {\n\t\t\t\tsetShowBackToContent(showBackToContentNow)\n\t\t\t\tshowBackToContentPrev = showBackToContentNow\n\t\t\t}\n\t\t}, 1000)\n\n\t\treturn () => {\n\t\t\tclearInterval(interval)\n\t\t}\n\t}, [editor])\n\n\tif (!showBackToContent) return null\n\n\treturn (\n\t\t<Button\n\t\t\ticonLeft={action.icon}\n\t\t\tlabel={action.label}\n\t\t\tonClick={() => {\n\t\t\t\taction.onSelect('helper-buttons')\n\t\t\t\tsetShowBackToContent(false)\n\t\t\t}}\n\t\t/>\n\t)\n}\n"],
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