overleaf/services/web/frontend/js/features/pdf-preview/components/pdf-viewer.js

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import { lazy, memo } from 'react'
import { useCompileContext } from '../../../shared/context/compile-context'
const PdfJsViewer = lazy(() =>
import(/* webpackChunkName: "pdf-js-viewer" */ './pdf-js-viewer')
)
function PdfViewer() {
const { pdfUrl, pdfViewer } = useCompileContext()
if (!pdfUrl) {
return null
}
switch (pdfViewer) {
case 'native':
return <iframe title="PDF Preview" src={pdfUrl} />
case 'pdfjs':
default:
return <PdfJsViewer url={pdfUrl} />
}
}
export default memo(PdfViewer)