docs: function transpile( sourceCode, sourceName, minify ) {
      try {
          const
              sourceFileName = Path.basename( sourceName ),
              ast = parseToAST( sourceCode ),
              transfo = Babel.transformSync( sourceCode, buildOptions( sourceFileName, minify ) ),
              // transfo = Babel.transformFromAstSync( ast, OPTIONS ),
              transpiledCode = transfo.code;
  
          return {
              code: `${transpiledCode}\n//# sourceMappingURL=${sourceFileName}.map`,
              zip: transpiledCode,
              map: transfo.map,
              ast
          };
      } catch ( ex ) {
          console.warn( "================================================================================" );
          console.warn( sourceCode );
          console.warn( "================================================================================" );
          Fatal.fire( `Babel parsing error in ${sourceName}:\n${ex}`, sourceName );
      }
      return null;
  }