ReferenceError: TextEncoder is not defined #10638

const utf8Encoder = new TextEncoder();
ReferenceError: TextEncoder is not defined
If the current behavior is a bug, please provide the steps to reproduce.
in a clean installation run the following commands
npm i mongoose
node getting-started.js
// getting-started.js
const mongoose = require('mongoose');
main().catch(err => console.log(err));
async function main() {
  await mongoose.connect('mongodb://localhost:27017/test');
What is the expected behavior?
show the error
const utf8Encoder = new TextEncoder();
ReferenceError: TextEncoder is not defined
What are the versions of Node.js, Mongoose and MongoDB you are using? Note that "latest" is not a version.
node --version
v10.19.0
mongo --version
MongoDB shell version v5.0.2
Build Info: {
    "version": "5.0.2",
    "gitVersion": "6d9ec525e78465dcecadcff99cce953d380fedc8",
    "openSSLVersion": "OpenSSL 1.1.1f  31 Mar 2020",
    "modules": [],
    "allocator": "tcmalloc",
    "environment": {
        "distmod": "ubuntu2004",
        "distarch": "x86_64",
        "target_arch": "x86_64"
cat package.json 
  "dependencies": {
    "express": "^4.17.1",
    "jsonwebtoken": "^8.5.1",
    "mongoose": "^6.0.2",
    "nodemon": "^2.0.12",
    "utf8": "^3.0.0",
    "whatwg-url": "^9.0.0"
  "scripts": {
    "start": "node index.js",
    "rnodemon": "nodemon index.js"





    
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