pdfjs-dist expand exports, export pdfjs-dist from react-pdf (#38117)

* pdfjs-dist module definition

* Declare pdfjs export in react-pdf

* Remove react-pdf/package.json, fix-up default export

* Add pdfjs test to react-pdf

types/pdfjs-dist/index.d.ts

@@ -6,6 +6,14 @@
 
 /// <reference lib="dom"/>
 
+declare const version: string;
+
+declare const GlobalWorkerOptions: GlobalWorkerOptions;
+
+interface GlobalWorkerOptions {
+  workerSrc: string;
+}
+
 interface PDFPromise<T> {
     isResolved(): boolean;
     isRejected(): boolean;

types/react-pdf/dist/entry.parcel.d.ts

@@ -1,3 +1,4 @@
 export { default as Document } from './Document';
 export { default as Page } from './Page';
 export { default as Outline } from './Outline';
+export { default as pdfjs } from './pdfjs-dist';

types/react-pdf/dist/entry.webpack.d.ts

@@ -1,3 +1,4 @@
 export { default as Document } from './Document';
 export { default as Page } from './Page';
 export { default as Outline } from './Outline';
+export { default as pdfjs } from './pdfjs-dist';

types/react-pdf/dist/pdfjs-dist.d.ts

@@ -0,0 +1,3 @@
+import * as pdfjs from 'pdfjs-dist';
+
+export default pdfjs;

types/react-pdf/index.d.ts

@@ -8,9 +8,6 @@
 import Document from './dist/Document';
 import Page from './dist/Page';
 import Outline from './dist/Outline';
+import pdfjs from './dist/pdfjs-dist';
 
-export {
-    Document,
-    Page,
-    Outline
-};
+export { pdfjs, Document, Page, Outline };

types/react-pdf/react-pdf-tests.tsx

@@ -1,7 +1,9 @@
 import * as React from 'react';
-import { Document, Page } from 'react-pdf';
+import { Document, Page, pdfjs } from 'react-pdf';
 import { PDFDocumentProxy } from 'pdfjs-dist';
 
+pdfjs.GlobalWorkerOptions.workerSrc = `//cdnjs.cloudflare.com/ajax/libs/pdf.js/${pdfjs.version}/pdf.worker.js`;
+
 interface State {
     numPages: number | null;
     pageNumber: number;