docs: function buildFlatSourcesObjectFromTreeObject(treeObject) {
    const currentOutputObject = Object.assign({});
    currentOutputObject[treeObject.path] = treeObject.source;
  
    Object.keys(treeObject.dependencies).forEach(dependantTreeObjectFileName => {
      Object.assign(currentOutputObject, buildFlatSourcesObjectFromTreeObject(treeObject.dependencies[dependantTreeObjectFileName]));
    });
  
    return currentOutputObject;
  }