问*ESLint错误*在尝试部署Firebase函数时作出反应

EN

const functions = require("firebase-functions");
const express = require("express");
const cors = require("cors");
const dotenv = require("dotenv");

dotenv.config();

const stripe = require("stripe")(`${process.env.REACT_APP_STRIPE_SECRET_KEY}`);

// App config
const app = express();

// Middlewares
app.use(cors({origin: true}));
app.use(express.urlencoded({extended: true, useNewUrlParser: true}));
app.use(express.json());

// API routes
app.get("/", (req, res) => res.status(200).send("Hello World"));

//  PARSING ERROR PREVENTING DEPLOY  
app.post("/payments/create", async (req, res) => {
  const total = req.query.total;

  console.log("Payment Request Received for: , total");

  const paymentIntent = await stripe.paymentIntents.create({
    amount: total, //sub-units of currency
    currency: "USD",
  });

  res.status(201).send({
    clientSecret: paymentIntent.client_secret,
  })
});

// Listen command
exports.api = functions.https.onRequest(app);

module.exports = {
  root: true,
  env: {
    es6: true,
    node: true,
  },
  extends: [
    "eslint:recommended",
    "google",
  ],
  rules: {
    quotes: ["error", "double"],
  },
};

{
  "name": "functions",
  "description": "Cloud Functions for Firebase",
  "scripts": {
    "lint": "eslint .",
    "serve": "firebase emulators:start --only functions",
    "shell": "firebase functions:shell",
    "start": "npm run shell",
    "deploy": "firebase deploy --only functions",
    "logs": "firebase functions:log"
  },
  "engines": {
    "node": "12"
  },
  "main": "index.js",
  "dependencies": {
    "cors": "^2.8.5",
    "dotenv": "^8.2.0",
    "express": "^4.17.1",
    "firebase-admin": "^9.2.0",
    "firebase-functions": "^3.11.0",
    "stripe": "^8.137.0"
  },
  "devDependencies": {
    "eslint": "^7.6.0",
    "eslint-config-google": "^0.14.0",
    "firebase-functions-test": "^0.2.0"
  },
  "private": true
}

i  deploying functions
Running command: npm --prefix "$RESOURCE_DIR" run lint

> functions@ lint /Users/Desktop/coding-repos/ecommerce/client/functions
> eslint .


/Users/Desktop/coding-repos/ecommerce/client/functions/index.js
  22:47  error  Parsing error: Unexpected token =>

✖ 1 problem (1 error, 0 warnings)

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! functions@ lint: `eslint .`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the functions@ lint script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/.npm/_logs/2021-03-05T22_26_21_954Z-debug.log

Error: functions predeploy error: Command terminated with non-zero exit code1