当我尝试导入库“react-leaflet”时，出现此错误：
ERROR in ./node_modules/react-leaflet/lib/propTypes/map.js
Module not found: Error: Can't resolve 'leaflet' in 'D:\PycharmProjects\adminora\node_modules\react-leaflet\lib\propTypes'
@ ./node_modules/react-leaflet/lib/propTypes/map.js 5:15-33
@ ./node_modules/react-leaflet/lib/Map.js
@ ./node_modules/react-leaflet/lib/index.js
编辑：我的 package.json 文件：
"dependencies": {
"@types/react": "^16.0.36",
"babel-polyfill": "^6.26.0",
"classnames": "^2.2.5",
"history": "^4.7.2",
"jwt-decode": "^2.2.0",
"material-ui": "^1.0.0-beta.27",
"material-ui-icons": "^1.0.0-beta.17",
"prop-types": "^15.6.0",
"react": "^16.2.0",
"react-block-ui": "^1.1.1",
"react-dom": "^16.2.0",
"react-leaflet": "^1.8.1",
}