Employ various iterations of the leaflet library

Creating a web application using React and various libraries, I encountered an issue with conflicting versions of the Leaflet library.

Currently, I am incorporating the Windy API for weather forecast, which utilizes Leaflet library version 1.4.0.

However, I also want to use the latest version of Leaflet (1.7.1) within the same application.

While I import Leaflet 1.4.0 via CDN per Windy API documentation, I include the latest version using npm.

The problem arises from Leaflet creating a global variable 'L', causing conflicts between different versions and rendering the Windy API dysfunctional.

I attempted to mitigate this by utilizing aliases during import, but it did not resolve the global variable conflict.

Is there a way to change the name of the global variable or any other suggestions to address this challenge?

Your insights would be greatly appreciated!

javascriptreactjsnpmleaflet

Answer №1

To switch back to the old object and return the Leaflet instance, you can utilize L.noConflict():

console.log(L.version) // 1.4.0
import 'leaflet';
console.log(L.version) // 1.7.1

var leaflet1_7 = L.noConflict();

console.log(L.version) // 1.4.0
console.log(leaflet1_7 ) // 1.7.1

There have been some issues with noConflict not functioning properly, but these bugs have been addressed in 1.8.0-beta.3 and will be resolved in the upcoming release within the next few days.

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