Use non-legacy build of PDF.js

GitOrigin-RevId: 473dc8657bac01fc4fc7b94565b10ff939e7fcdd

services/web/cypress/support/webpack.cypress.ts

@@ -41,7 +41,7 @@ const buildConfig = () => {
   )
 
   // add entrypoints under '/' for pdfjs workers
-  addWorker('pdfjs-dist', 'pdfjs-dist/legacy/build/pdf.worker.mjs')
+  addWorker('pdfjs-dist', 'pdfjs-dist/build/pdf.worker.mjs')
 
   return webpackConfig
 }

services/web/frontend/js/features/pdf-preview/util/pdf-js-wrapper.ts

@@ -7,8 +7,8 @@ import {
   EventBus,
   PDFLinkService,
   LinkTarget,
-} from 'pdfjs-dist/legacy/web/pdf_viewer.mjs'
-import 'pdfjs-dist/legacy/web/pdf_viewer.css'
+} from 'pdfjs-dist/web/pdf_viewer.mjs'
+import 'pdfjs-dist/web/pdf_viewer.css'
 
 const DEFAULT_RANGE_CHUNK_SIZE = 128 * 1024 // 128K chunks
 

services/web/frontend/js/features/pdf-preview/util/pdf-js.ts

@@ -1,17 +1,12 @@
-import 'core-js/stable/global-this' // polyfill for globalThis (used by pdf.js)
-import 'core-js/stable/promise/all-settled' // polyfill for Promise.allSettled (used by pdf.js)
-import 'core-js/stable/structured-clone' // polyfill for global.StructuredClone (used by pdf.js)
-import 'core-js/stable/array/at' // polyfill for Array.prototype.at (used by pdf.js)
-
 import { createWorker } from '@/utils/worker'
-import * as PDFJS from 'pdfjs-dist/legacy/build/pdf.mjs'
+import * as PDFJS from 'pdfjs-dist'
 import type { DocumentInitParameters } from 'pdfjs-dist/types/src/display/api'
 
 export { PDFJS }
 
 createWorker(() => {
   PDFJS.GlobalWorkerOptions.workerPort = new Worker(
-    new URL('pdfjs-dist/legacy/build/pdf.worker.mjs', import.meta.url) // NOTE: .mjs extension
+    new URL('pdfjs-dist/build/pdf.worker.mjs', import.meta.url) // NOTE: .mjs extension
   )
 })