CODE EXAMPLE FOR JAVASCRIPT

react-leaflet/core/cjs/pane.js:7%20error15-Jun-2021%2000:45:06%20%20%20%20%20%20const%20pane%20=%20props.pane%20??%20context.pane;

"browserslist": [
  ">0.2%",
  "not dead",
  "not op_mini all"
]

// Also 
npm i react-leaflet@3.1.0 @react-leaflet/core@1.0.2