docs: async function getJSXConfig(asset, isSourceModule) {
    // Don't enable JSX in node_modules
    if (!isSourceModule) {
      return null;
    }
  
    let pkg = await asset.getPackage();
  
    // Find a dependency that we can map to a JSX pragma
    let pragma = null;
    for (let dep in JSX_PRAGMA) {
      if (
        pkg &&
        ((pkg.dependencies && pkg.dependencies[dep]) ||
          (pkg.devDependencies && pkg.devDependencies[dep]))
      ) {
        pragma = JSX_PRAGMA[dep];
        break;
      }
    }
  
    if (!pragma) {
      pragma = maybeCreateFallbackPragma(asset);
    }
  
    if (pragma || JSX_EXTENSIONS[path.extname(asset.name)]) {
      return {
        internal: true,
        babelVersion: 7,
        config: {
          plugins: [
            [
              require('@babel/plugin-transform-react-jsx'),
              {
                pragma,
                pragmaFrag: 'React.Fragment'
              }
            ]
          ]
        }
      };
    }
  }