Error when running "react-scripts start"

[jamessspanggg]

Bug Description
When running npm run start, the following error occurs:

appTsConfig.compilerOptions[option] = value;
                                          ^

TypeError: Cannot assign to read only property 'jsx' of object '#<Object>'
    at verifyTypeScriptSetup (/Users/jamespang/Desktop/Projects/Website-1/node_modules/react-scripts/scripts/utils/verifyTypeScriptSetup.js:239:43)
    at Object.<anonymous> (/Users/jamespang/Desktop/Projects/Website-1/node_modules/react-scripts/scripts/start.js:31:1)
    at Module._compile (internal/modules/cjs/loader.js:1158:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
    at Module.load (internal/modules/cjs/loader.js:1002:32)
    at Function.Module._load (internal/modules/cjs/loader.js:901:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:74:12)
    at internal/main/run_main_module.js:18:47

Steps to Reproduce
Steps to reproduce the behavior:

1. Run npm run start
2. View the error

Expected behavior
No error and able to launch localhost.

Actual behavior
Error occurred

Screenshots/Recordings

OS and Browser

• OS: MacOS, Chrome

Additional context
Note that this will occur if new contributors clone our project and run npm install. Or existing contributors re-install npm packages
Seems like a recent issue with the recent create react app: facebook/create-react-app#10112
Workaround: facebook/create-react-app#9868 (comment)

Account Number
Acc No: c54c04774efaae20746fd3f29cdd619fea512e119bc1082b863572b2e8844104

[thesanjeevsharma]

@jamessspanggg I am gonna close this. While reviewing a PR yesterday, I updated react-scripts to 4.0.1.