PromucFlow_constructor/app/client/src/utils/treeUtils.ts
2020-12-24 10:02:25 +05:30

23 lines
568 B
TypeScript

type Tree = {
children?: Tree[];
[key: string]: any;
};
export const traverseTree = (tree: Tree, callback: (tree: Tree) => void) => {
callback(tree);
if (tree.children) {
tree.children.forEach((b) => traverseTree(b, callback));
}
};
export const mapTree = (tree: Tree, callback: (tree: Tree) => Tree) => {
const mapped = callback(tree);
if (tree.children && tree.children.length) {
const children: Tree[] = tree.children.map((branch) =>
mapTree(branch, callback),
);
return { ...mapped, children };
}
return { ...mapped };
};