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How to use Node.js to expand all nested folders and files in the file tree to generate a layer of full file paths All In One

How to use Node.js to expand all nested folders and files in the file tree to generate a layer of full file paths All In One

difficulty: Medium / 难度: 中等

solutions

如何使用 Node.js 把文件树中嵌套的文件夹和文件全部展开生成一层的文件全路径


import fs from 'node:fs';
import path from 'node:path';

const rootFolder = '/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/《雅思考试官方指南》（第2版）';

try {
  let treeFilePath = rootFolder + `tree.md`;
  if (!fs.existsSync(treeFilePath)) {
    // do nothing
  }
  fs.writeFileSync(treeFilePath, ``, err => {
    // init & clear
  });
} catch (err) {
  console.error(err);
}

const treeFlatRecursiveTraversal = async (folderName = rootFolder) => {
  // console.log(`🚀 folderName =`, folderName);
  await fs.readdirSync(folderName).map(fileName => {
    // console.log(`❓ fileName =`, fileName);
    const pathName = path.join(folderName, fileName);
    fs.stat(pathName, async (err, stats) => {
      // console.log(stats);
      if(stats.isDirectory()) {
        // console.log(`🗂️ folderName =`, fileName);
        await treeFlatRecursiveTraversal(pathName)
      } else {
        // console.log(`📂 fileName =`, fileName)
        const relativePath = pathName.replace(`/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/`, ``);
        let url = `https://ielts-guide-2nd.xgqfrms.xyz/${encodeURIComponent(relativePath)}`;
        switch (relativePath) {
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/01 Speaking Sample 1.mp4`:
            url = `https://www.bilibili.com/video/BV1PbeueyEuE/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/02 Speaking Sample 2.mp4`:
            url = `https://www.bilibili.com/video/BV15ueuetEKJ/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/03 Speaking Sample 3.mp4`:
            url = `https://www.bilibili.com/video/BV1PbeueyEuE/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/04 Speaking Sample 4.mp4`:
            url = `https://www.bilibili.com/video/BV1hVeueRE42/`;
            break;
          default:
            // do nothing
            break;
        }
        const aLink = `<a href="${url}" target="_blank">${relativePath}</a><br />\n`;
        await fs.appendFile(rootFolder + `tree.md`, aLink, err => {
          err && console.log(`err =`, err)
        });
      }
    });
  });
}

try {
  await treeFlatRecursiveTraversal(rootFolder);
  console.log(`treeFlatRecursiveTraversal ✅`)
} catch (err) {
  console.error(`error ❌ =`, err);
}

fs & path

fs.readdirSync

fs.readdir

fs.readFile

.isDirectory

fs.existsSync

fs.writeFileSync

image

solutions

recursive


const treeGenerator = async (folderName = rootFolder) => {
  await fs.readdirSync(folderName).map(fileName => {
    // path
    const pathName = path.join(folderName, fileName);
    fs.stat(pathName, async (err, stats) => {
      if(stats.isDirectory()) {
        // console.log(`🗂️ folderName =`, fileName);
        await treeGenerator(pathName)
      } else {
        // console.log(`📂 fileName =`, fileName)
        const relativePath = pathName.replace(`/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/`, ``);
        let url = `https://ielts-guide-2nd.xgqfrms.xyz/${encodeURIComponent(relativePath)}`;
        const aLink = `<a href="${url}" target="_blank">${relativePath}</a><br />\n`;
        await fs.appendFile(rootFolder + `tree.md`, aLink, err => {
          //
        });
      }
    });
  });
}

demos

import fs from 'node:fs';
import path from 'node:path';

const rootFolder = '/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/《雅思考试官方指南》（第2版）';

try {
  let treeFilePath = rootFolder + `tree.md`;
  if (!fs.existsSync(treeFilePath)) {
    // not useful
  }
  fs.writeFileSync(treeFilePath, ``, err => {
    // init & clear
  });
} catch (err) {
  console.error(err);
}


// const isFile = fileName => {
//   return fs.lstatSync(fileName).isFile() || false;
// };
// const isFolder = fileName => {
//   return fs.lstatSync(fileName).isDirectory() || false;
// };

const results = [];

const treeGenerator = async (results = [], folderName = rootFolder) => {
  // 读取文件夹
  console.log(`🚀 folderName =`, folderName);
  await fs.readdirSync(folderName).map(fileName => {
    // console.log(`❓ fileName =`, fileName);
    // path
    const pathName = path.join(folderName, fileName);
    // stat(pathName, (err, stats) => {
    fs.stat(pathName, async (err, stats) => {
      // console.log(stats);
      // Stats {
      //   dev: 16777220,
      //   mode: 16877,
      //   nlink: 12,
      //   uid: 501,
      //   gid: 20,
      //   rdev: 0,
      //   blksize: 4096,
      //   ino: 64334171,
      //   size: 384,
      //   blocks: 0,
      //   atimeMs: 1723572008018.5503,
      //   mtimeMs: 1723572008013.725,
      //   ctimeMs: 1723572008013.725,
      //   birthtimeMs: 1723570190954.7646,
      //   atime: 2024-08-13T18:00:08.019Z,
      //   mtime: 2024-08-13T18:00:08.014Z,
      //   ctime: 2024-08-13T18:00:08.014Z,
      //   birthtime: 2024-08-13T17:29:50.955Z
      // }
      // console.log(stats.isDirectory());
      if(stats.isDirectory()) {
        // console.log(`🗂️ folderName =`, fileName);
        await treeGenerator(results, pathName)
      } else {
        // console.log(`📂 fileName =`, fileName)
        // const relativePath = encodeURIComponent(pathName.replace(`/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/`, ``));
        const relativePath = pathName.replace(`/Users/xgqfrms-mm/Documents/github/IELTS-Guide-2th/docs/`, ``);
        let url = `https://ielts-guide-2nd.xgqfrms.xyz/${encodeURIComponent(relativePath)}`;
        switch (relativePath) {
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/01 Speaking Sample 1.mp4`:
            url = `https://www.bilibili.com/video/BV1PbeueyEuE/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/02 Speaking Sample 2.mp4`:
            url = `https://www.bilibili.com/video/BV15ueuetEKJ/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/03 Speaking Sample 3.mp4`:
            url = `https://www.bilibili.com/video/BV1PbeueyEuE/`;
            break;
          case `《雅思考试官方指南》（第2版）/视频：口语考试实况录像/04 Speaking Sample 4.mp4`:
            url = `https://www.bilibili.com/video/BV1hVeueRE42/`;
            break;
          // default:
          //   break;
        }
        const aLink = `<a href="${url}" target="_blank">${relativePath}</a><br />\n`;
        //
        await fs.appendFile(rootFolder + `tree.md`, aLink, err => {
          //
        });
        // await fs.appendFile(rootFolder + `tree.md`, pathName + `\n`, err => {
        //   //
        // });
        results.push(pathName);
      }
    });
    // if(isFolder(fileName)) {
    //   console.log(`🗂️ folderName =`, fileName)
    // } else {
    //   console.log(`📂 fileName =`, fileName)
    // }
    // if(isFile(fileName)) {
    //   console.log(`📂 fileName =`, fileName)
    // } else {
    //   console.log(`🗂️ folderName =`, fileName)
    // }
    // let temp = path.join(folderPath, fileName);
  });
}

try {
  await treeGenerator(results, rootFolder);
  // console.log(`results =`, results);
} catch (err) {
  console.error(`error ❌ =`, err);
}

image

https://ielts-guide-2nd.xgqfrms.xyz/

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refs

https://github.com/xgqfrms/learn-node.js-by-practice/blob/master/src/file-system/readme.md#file-system

如何读取嵌套文件夹和文件以在 Node.js 中生成树结构 / How to read nested folders and files to generate a tree structure in Node.js

https://nodejs.org/en/learn/manipulating-files/working-with-folders-in-nodejs

https://dev.to/peaonunes/loading-a-directory-as-a-tree-structure-in-node-52bg

https://jakelunn.medium.com/simple-file-tree-electron-es6-71e8abc2c52

https://stackoverflow.com/questions/37960130/how-to-recursively-read-file-in-a-tree-like-directory-structure-in-node-js

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posted @ 2024-08-20 23:45  xgqfrms  阅读(5)  评论(2)  编辑  收藏  举报