CompileToStringPlugin.js

class CompileToStringPlugin {
  constructor() {
    this.PLUGIN_NAME = this.constructor.name;
  }

  apply(compiler) {
    if (!this.options.isServer) {
      compiler.hooks.normalModuleFactory.tap(this.PLUGIN_NAME, nmf => {
        nmf.hooks.beforeResolve.tap(this.PLUGIN_NAME, result => {

          // how can I use webpack here to compile the file result.request
          // with its dependencies to and get the resulting source
          // so that I can return the sourcecode as export
          const compiledSourceCode = compileAndBundle(result.request);

          return `module.exports = ${JSON.stringify(compiledSourceCode)}`;
        });
      });
    }
  }
}