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"react-app-polyfill" ne fonctionne pas dans IE11

Mon React App ne fonctionne pas sur IE 11.
Mon client souhaite que l'application fonctionne au moins sur ie11.
Donc, je dois résoudre cette erreur.

J'ai essayé la documentation officielle de "react-app-polyfill". Mais ça ne marche toujours pas.
Aidez-moi, s'il vous plaît.

src/index.jsx

import 'react-app-polyfill/ie11';
import 'react-app-polyfill/stable';

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import * as serviceWorker from './serviceWorker';
import { Provider } from 'react-redux';
import store from './store';

ReactDOM.render(
  <Provider store={store}>
    <App />
  </Provider>,
  document.getElementById('root')
);

serviceWorker.unregister();

package.json

  "dependencies": {
    ...
    "@types/jest": "^24.0.25",
    "@types/node": "^12.12.24",
    "@types/react": "^16.9.17",
    "@types/react-dom": "^16.9.4",
    "@types/react-redux": "^7.1.5",
    "@types/react-router-dom": "^5.1.3",
    "axios": "^0.19.0",
    "install": "^0.13.0",
    "node-sass": "^4.13.0",
    "npm": "^6.13.4",
    "react": "^16.12.0",
    "react-app-polyfill": "^1.0.5",
    "react-dom": "^16.12.0",
    "react-hotkeys": "^2.0.0",
    "react-redux": "^7.1.3",
    "react-router": "^5.1.2",
    "react-router-dom": "^5.1.2",
    "react-scripts": "3.3.0",
    "redux": "^4.0.5",
    "redux-devtools-extension": "^2.13.8",
    "redux-thunk": "^2.3.0",
    "TypeScript": "^3.7.4"
  },
...
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "ie 11",
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
reactjsinternet-explorer-11polyfills
2
brent jeong

Après avoir ajouté react-app-polyfill dans votre index.js, cela fonctionnera pour PROD env mais vous devez mettre à jour votre browserslist à l'intérieur de package.json pour DEV env

index.js

import 'react-app-polyfill/ie9';
import 'react-app-polyfill/stable';

import React from 'react';
import ReactDOM from 'react-dom';
.
.

package.json

.
.
"browserslist": {
  "production": [
    ">0.2%",
    "not dead",
    "not op_mini all"
  ],
  "development": [
    "last 1 chrome version",
    "last 1 firefox version",
    "last 1 safari version",
    "not dead" // new line
  ]
},
.
.
0
Paúl Díaz Navarrete