docs: function buildDependencyTreeFromSources(filenames, sourcesObject) {
    const orgnizedFlat = {};
  
    // build tree object
    filenames.forEach(sourceFileName => {
      orgnizedFlat[sourceFileName] = {
        path: sourceFileName,
        source: sourcesObject[sourceFileName],
        dependencies: buildDependencyTreeFromSources(allImportPaths(sourcesObject[sourceFileName]), sourcesObject),
      };
    });
  
    // return organized object
    return orgnizedFlat;
  }