Atlassian Interview - Recursively parse the folder tree structure

folder-tree-structure.js

import fetch from 'node-fetch';

async function fetchFileStructure() {
  return await fetch('https://api.jsonbin.io/v3/b/64cef151b89b1e2299cc09a2');
}

async function useAndFetchFileStructure() {
  try {
    const response = await fetchFileStructure();
    const fileStructure = await response.json();
    displayFolderAndFileStructure(fileStructure.record);
    return fileStructure;
  } catch (e) {
    console.log(e);
    return [];
  }
}

function displayFolderAndFileStructure(fileSystem, level = '') {
  const isFolder = fileSystem.type === 'folder';
  const isFile = fileSystem.type === 'file';
  const hasChildren = !isFile && fileSystem.children.length > 0;
  const indentation = level + '--';

  if (isFile) {
    console.log(`${indentation} f ${fileSystem.name}`);
    return;
  }

  if (isFolder) {
    console.log(`${indentation} F ${fileSystem.name}`);

    if (hasChildren) {
      fileSystem.children.forEach((fs) => {
        displayFolderAndFileStructure(fs, indentation);
      });
    } else {
      return;
    }
  }
}

useAndFetchFileStructure();