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overleaf-cep/services/web/frontend/js/features/pdf-preview/util/pdf-js.ts
T
Alf Eaton 34d5564abc Revert "Upgrade PDF.js to v5 (#24646)" (#24946)
This reverts commit 3ef46af6363aab5b5b007b6c9d72decae65a36ab.

GitOrigin-RevId: 9c3671b3ff196bb62ff547210a1138cb603d6791
2025-04-17 08:05:15 +00:00

34 lines
1.0 KiB
TypeScript

import * as PDFJS from 'pdfjs-dist'
import type { DocumentInitParameters } from 'pdfjs-dist/types/src/display/api'
export { PDFJS }
PDFJS.GlobalWorkerOptions.workerPort = new Worker(
/* webpackChunkName: "pdf-worker" */
new URL('pdfjs-dist/build/pdf.worker.mjs', import.meta.url) // NOTE: .mjs extension
)
export const imageResourcesPath = '/images/pdfjs-dist/'
const cMapUrl = '/js/pdfjs-dist/cmaps/'
const standardFontDataUrl = '/fonts/pdfjs-dist/'
const params = new URLSearchParams(window.location.search)
const disableFontFace = params.get('disable-font-face') === 'true'
const disableStream = process.env.NODE_ENV !== 'test'
export const loadPdfDocumentFromUrl = (
url: string,
options: Partial<DocumentInitParameters> = {}
) =>
PDFJS.getDocument({
url,
cMapUrl,
standardFontDataUrl,
disableFontFace,
disableAutoFetch: true, // only fetch the data needed for the displayed pages
disableStream,
isEvalSupported: false,
enableXfa: false, // default is false (2021-10-12), but set explicitly to be sure
...options,
})