j40-cejst-2/client/gatsby-node.js

path = require('path');

exports.onCreateWebpackConfig = ({stage, loaders, actions}) => {
  actions.setWebpackConfig({
    devtool: 'eval-source-map',
    resolve: {
      alias: {
        'mapbox-gl': 'maplibre-gl',
      },
    },
  });
};