after npm start i have :
[HMR] Waiting for update signal from WDS...
react-dom.development.js:25028 Download the React DevTools for a better development experience: fb.me/react-devtools
index.js:11 Uncaught ReferenceError: serviceWorker is not defined
at Module../src/index.js (index.js:11)
at webpack_require (bootstrap:785)
at fn (bootstrap:150)
at Object.1 (index.js:11)
at webpack_require (bootstrap:785)
at checkDeferredModules (bootstrap:45)
at Array.webpackJsonpCallback as push
at main.chunk.js:1
spa:17 Worker registration failed DOMException: Failed to register a ServiceWorker for scope ('localhost:3000/') with script ('localhost:3000/worker.js'): The script has an unsupported MIME type ('text/html').
index.js:1 ./src/index.js
Line 11:1: 'serviceWorker' is not defined no-undef
Search for the keywords to learn more about each error.
console. @ index.js:1
after npm start i have :
[HMR] Waiting for update signal from WDS...
react-dom.development.js:25028 Download the React DevTools for a better development experience: fb.me/react-devtools
index.js:11 Uncaught ReferenceError: serviceWorker is not defined
at Module../src/index.js (index.js:11)
at webpack_require (bootstrap:785)
at fn (bootstrap:150)
at Object.1 (index.js:11)
at webpack_require (bootstrap:785)
at checkDeferredModules (bootstrap:45)
at Array.webpackJsonpCallback as push
at main.chunk.js:1
spa:17 Worker registration failed DOMException: Failed to register a ServiceWorker for scope ('localhost:3000/') with script ('localhost:3000/worker.js'): The script has an unsupported MIME type ('text/html').
index.js:1 ./src/index.js
Line 11:1: 'serviceWorker' is not defined no-undef
Search for the keywords to learn more about each error.
console. @ index.js:1
Do you have any Programming idea dude