Function buildFileList

app/components/workbench/FileTree.tsx:255–319

(
  files: FileMap,
  rootFolder = '/',
  hideRoot: boolean,
  hiddenFiles: Array<string | RegExp>,
)

}

function buildFileList(
  files: FileMap,
  rootFolder = '/',
  hideRoot: boolean,
  hiddenFiles: Array<string | RegExp>,
): Node[] {
  const folderPaths = new Set<string>();
  const fileList: Node[] = [];

  let defaultDepth = 0;

  if (rootFolder === '/' && !hideRoot) {
    defaultDepth = 1;
    fileList.push({ kind: 'folder', name: '/', depth: 0, id: 0, fullPath: '/' });
  }

  for (const [filePath, dirent] of Object.entries(files)) {
    const segments = filePath.split('/').filter((segment) => segment);
    const fileName = segments.at(-1);

    if (!fileName || isHiddenFile(filePath, fileName, hiddenFiles)) {
      continue;
    }

    let currentPath = '';

    let i = 0;
    let depth = 0;

    while (i < segments.length) {
      const name = segments[i];
      const fullPath = (currentPath += `/${name}`);

      if (!fullPath.startsWith(rootFolder) || (hideRoot && fullPath === rootFolder)) {
        i++;
        continue;
      }

      if (i === segments.length - 1 && dirent?.type === 'file') {
        fileList.push({
          kind: 'file',
          id: fileList.length,
          name,
          fullPath,
          depth: depth + defaultDepth,
        });
      } else if (!folderPaths.has(fullPath)) {
        folderPaths.add(fullPath);

        fileList.push({
          kind: 'folder',
          id: fileList.length,
          name,
          fullPath,
          depth: depth + defaultDepth,
        });
      }