pdfjs-dist

报错1： Top-level await is not available in the configured target environment ("chrome87", "edge88", "es2020", "firefox78", "safari14" + 2 overrides) nod ......

```jsx import './App.css' import * as pdfjsLib from "pdfjs-dist"; import { useEffect, useRef, useState } from 'react' pdfjsLib.GlobalWorkerOptions.wor ......

app.jsx ```jsx import './App.css' import * as pdfjs from "pdfjs-dist"; import "pdfjs-dist/web/pdf_viewer.css"; import { useEffect, useRef, useState } ......