How to use the pdfjs-dist/build/pdf.min.js.PDFJS function in pdfjs-dist

const shelljs = require('shelljs')
const Typo = require("typo-js");
// const french_dictionary = new Typo("fr", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
// const greek_dictionary = new Typo("el", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
const Range = brace.acequire('ace/range').Range

const buttonStyles = {
  textAlign: 'center',
  backgroundColor: '#666666'
}

import pdfjs from 'pdfjs-dist/build/pdf.min.js'

pdfjs.PDFJS.GlobalWorkerOptions.workerSrc = '../src/react/reactPdf/pdf.worker.min.js'
pdfjs.PDFJS.cMapUrl = '../src/react/reactPdf/cmaps/'
pdfjs.PDFJS.cMapPacked = true

const codeIcon = 
const previewIcon = 
const previewNotIcon = 
const splitIcon = 
const splitNotIcon = 
const searchIcon = 
const biblioIcon = 
const addIcon = 
const extensionIcon = 
const rightarrow = 
const previousPageIcon = 
const nextPageIcon = 
const networkOnIcon = 
const networkOffIcon = 
const openAll =

const { remote, ipcRenderer } = require('electron')
const shelljs = require('shelljs')
const Typo = require("typo-js");
// const french_dictionary = new Typo("fr", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
// const greek_dictionary = new Typo("el", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
const Range = brace.acequire('ace/range').Range

const buttonStyles = {
  textAlign: 'center',
  backgroundColor: '#666666'
}

import pdfjs from 'pdfjs-dist/build/pdf.min.js'

pdfjs.PDFJS.GlobalWorkerOptions.workerSrc = '../src/react/reactPdf/pdf.worker.min.js'
pdfjs.PDFJS.cMapUrl = '../src/react/reactPdf/cmaps/'
pdfjs.PDFJS.cMapPacked = true

const codeIcon = 
const previewIcon = 
const previewNotIcon = 
const splitIcon = 
const splitNotIcon = 
const searchIcon = 
const biblioIcon = 
const addIcon = 
const extensionIcon = 
const rightarrow = 
const previousPageIcon = 
const nextPageIcon = 
const networkOnIcon = 
const networkOffIcon =

} = require('electron').remote
const { remote, ipcRenderer } = require('electron')
const shelljs = require('shelljs')
const Typo = require("typo-js");
// const french_dictionary = new Typo("fr", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
// const greek_dictionary = new Typo("el", false, false, { dictionaryPath: "./assets/ace/dictionaries" })
const Range = brace.acequire('ace/range').Range

const buttonStyles = {
  textAlign: 'center',
  backgroundColor: '#666666'
}

import pdfjs from 'pdfjs-dist/build/pdf.min.js'

pdfjs.PDFJS.GlobalWorkerOptions.workerSrc = '../src/react/reactPdf/pdf.worker.min.js'
pdfjs.PDFJS.cMapUrl = '../src/react/reactPdf/cmaps/'
pdfjs.PDFJS.cMapPacked = true

const codeIcon = 
const previewIcon = 
const previewNotIcon = 
const splitIcon = 
const splitNotIcon = 
const searchIcon = 
const biblioIcon = 
const addIcon = 
const extensionIcon = 
const rightarrow = 
const previousPageIcon = 
const nextPageIcon = 
const networkOnIcon =