extra-webpack.config.js

const singleSpaAngularWebpack = require('single-spa-angular/lib/webpack').default
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const ReplaceInFileWebpackPlugin = require('replace-in-file-webpack-plugin');

module.exports = (angularWebpackConfig, options) => {
  const singleSpaWebpackConfig = singleSpaAngularWebpack(angularWebpackConfig, options)

  singleSpaWebpackConfig.externals['@openmrs/esm-api'] = '@openmrs/esm-api';
  singleSpaWebpackConfig.plugins.push(new BundleAnalyzerPlugin());
  // console.log('webpack', singleSpaWebpackConfig);

  if (singleSpaWebpackConfig.mode === 'production') {
    const path = singleSpaWebpackConfig.output.path;
    const publicPath = singleSpaWebpackConfig.output.publicPath;
    console.log('path', path);
    console.log('publicPath', publicPath);
    // HACK to fix the deployment of fonts for bootstrap
    // NOTE: this does not work with ng server --prod true, because the file does not exist
    singleSpaWebpackConfig.plugins.push(
      new ReplaceInFileWebpackPlugin([{
        dir: path,
        files: ['main-es2015.js'],
        rules: [
          {
            search: 'glyphicons-halflings-regular.eot',
            replace: publicPath + 'glyphicons-halflings-regular.eot'
          },
          {
            search: 'glyphicons-halflings-regular.woff',
            replace: publicPath + 'glyphicons-halflings-regular.woff'
          },
          // {
          //   search: 'glyphicons-halflings-regular.woff2',
          //   replace: publicPath + 'glyphicons-halflings-regular.woff2'
          // },
          {
            search: 'glyphicons-halflings-regular.ttf',
            replace: publicPath + 'glyphicons-halflings-regular.ttf'
          },
          {
            search: 'glyphicons-halflings-regular.svg',
            replace: publicPath + 'glyphicons-halflings-regular.svg'
          }
        ]
      }]
      ));

  }

  // singleSpaWebpackConfig.module.rules.push({parser: {system: false}})

  // Feel free to modify this webpack config however you'd like to
  return singleSpaWebpackConfig
}