我正在尝试与传单一起创建一个react-typescript应用程序。我使用了命令,
npm install leaflet react-leaflet @types/react @types/leaflet --save
安装依赖项。
但是当我启动应用程序时,它说,
./node_modules/@react-leaflet/core/esm/path.js 10:41
Module parse failed: Unexpected token (10:41)
File was processed with these loaders:
* ./node_modules/babel-loader/lib/index.js
You may need an additional loader to handle the result of these loaders.
| useEffect(function updatePathOptions() {
| if (props.pathOptions !== optionsRef.current) {
> const options = props.pathOptions ?? {};
| element.instance.setStyle(options);
| optionsRef.current = options;
这是我的 package.json
{
"name": "aq-monitor",
"version": "0.1.0",
"private": true,
"dependencies": {
"@testing-library/jest-dom": "^5.12.0",
"@testing-library/react": "^11.2.7",
"@testing-library/user-event": "^12.8.3",
"@types/jest": "^26.0.23",
"@types/leaflet": "^1.7.0",
"@types/node": "^12.20.13",
"@types/react": "^17.0.5",
"@types/react-dom": "^17.0.5",
"antd": "^4.15.5",
"leaflet": "^1.7.1",
"react": "^17.0.2",
"react-dom": "^17.0.2",
"react-leaflet": "^3.2.0",
"react-router-dom": "^5.2.0",
"react-scripts": "4.0.3",
"typescript": "^4.2.4",
"web-vitals": "^1.1.2"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"devDependencies": {
"@types/react-router-dom": "^5.1.7"
}
}
这是地图/index.tsx
import React from 'react';
import './styles.css';
import L, { LatLngExpression } from "leaflet";
import "leaflet/dist/leaflet.css";
import {MapContainer, TileLayer, Marker, Popup} from 'react-leaflet';
const position : LatLngExpression = [59.91174337077401, 10.750425582038146];
export default function MapJar() {
return (
<MapContainer center={position} zoom={13} scrollWheelZoom={false}>
<TileLayer
attribution='© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
url="https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"
/>
<Marker position={position}>
<Popup>
A pretty CSS3 popup. <br /> Easily customizable.
</Popup>
</Marker>
</MapContainer>
);
};
我多次尝试重新安装依赖项,但仍然无效。
我知道这是一个简单的问题和我正在犯的错误,但是,我无法解决此错误。
任何输入表示赞赏。提前致谢。