Walk-dir-sync NPM

walk-dir-sync

Traverse a directory tree synchronously. Inspired by Python's os.walk.

Docs

function* (dir: string, {
  topDown?: boolean # true,
  followLinks?: boolean # false,
  filter?: (absPath: string, stats: fs.Stats) => boolean # () => true
}?) => Iterable<{
  path: string,
  directories: string[],
  files: string[]
}>

Installation

$ npm install --save walk-dir-sync

Example

$ tree -a dir1 dir2
dir1
├── .hidden/
│   └── hidden-file
├── dir1-level1-dir1/
│   ├── dir1-level2-file1
│   ├── dir1-level2-file2
│   └── dir1-level2-file3
├── dir1-level1-file1
├── dir1-level1-file2
└── dir2 -> ../dir2/
dir2
└── dir2-level1-file1

const walkDirSync = require('walk-dir-sync').default;
const path = require('path');

function ignoreHiddenDirs(absPath, stats) {
  if (stats.isDirectory() && path.basename(absPath).startsWith('.')) {
    return false;
  }
  return true;
}

for (const dir of walkDirSync('dir1', {
  filter: ignoreHiddenDirs,
  followLinks: true,
  topDown: false
})) {
  console.log(JSON.stringify(dir, null, 2));
}

outputs

{
  "path": "dir1/dir1-level1-dir1",
  "directories": [],
  "files": [
    "dir1-level2-file1",
    "dir1-level2-file2",
    "dir1-level2-file3"
  ]
}
{
  "path": "dir1/dir2",
  "directories": [],
  "files": [
    "dir2-level1-file1"
  ]
}
{
  "path": "dir1",
  "directories": [
    "dir1-level1-dir1",
    "dir2"
  ],
  "files": [
    "dir1-level1-file1",
    "dir1-level1-file2"
  ]
}