在我的节点应用程序中,我需要删除一个目录,其中有一些文件,但fs。Rmdir只适用于空目录。我该怎么做呢?


当前回答

如果你正在使用的节点8+想要异步,不想要外部依赖,这里是async/await版本:

const path = require('path');
const fs = require('fs');
const util = require('util');

const readdir = util.promisify(fs.readdir);
const lstat = util.promisify(fs.lstat);
const unlink = util.promisify(fs.unlink);
const rmdir = util.promisify(fs.rmdir);

const removeDir = async (dir) => {
    try {
        const files = await readdir(dir);
        await Promise.all(files.map(async (file) => {
            try {
                const p = path.join(dir, file);
                const stat = await lstat(p);
                if (stat.isDirectory()) {
                    await removeDir(p);
                } else {
                    await unlink(p);
                    console.log(`Removed file ${p}`);
                }
            } catch (err) {
                console.error(err);
            }
        }))
        await rmdir(dir);
        console.log(`Removed dir ${dir}`);
    } catch (err) {
      console.error(err);
    }
}

其他回答

我写了这个函数叫remove folder。它将递归地删除一个位置中的所有文件和文件夹。它唯一需要的包是异步的。

var async = require('async');

function removeFolder(location, next) {
    fs.readdir(location, function (err, files) {
        async.each(files, function (file, cb) {
            file = location + '/' + file
            fs.stat(file, function (err, stat) {
                if (err) {
                    return cb(err);
                }
                if (stat.isDirectory()) {
                    removeFolder(file, cb);
                } else {
                    fs.unlink(file, function (err) {
                        if (err) {
                            return cb(err);
                        }
                        return cb();
                    })
                }
            })
        }, function (err) {
            if (err) return next(err)
            fs.rmdir(location, function (err) {
                return next(err)
            })
        })
    })
}

解释

从Node.js v14开始,我们现在可以使用require("fs").promises。Rm函数使用promise删除文件。第一个参数是要删除的文件或文件夹(即使是不存在的文件或文件夹)。您可以在第二个参数的对象中使用递归和强制选项来模拟rm Shell命令实用程序的-rf选项的行为。

例子

"use strict";

require("fs").promises.rm("directory", {recursive: true, force: true}).then(() => {
  console.log("removed");
}).catch(error => {
  console.error(error.message);
});

See

Node.js v14文档

Mozilla开发者承诺文档

Rm命令手册

下面是@SharpCoder的答案的异步版本

const fs = require('fs');
const path = require('path');

function deleteFile(dir, file) {
    return new Promise(function (resolve, reject) {
        var filePath = path.join(dir, file);
        fs.lstat(filePath, function (err, stats) {
            if (err) {
                return reject(err);
            }
            if (stats.isDirectory()) {
                resolve(deleteDirectory(filePath));
            } else {
                fs.unlink(filePath, function (err) {
                    if (err) {
                        return reject(err);
                    }
                    resolve();
                });
            }
        });
    });
};

function deleteDirectory(dir) {
    return new Promise(function (resolve, reject) {
        fs.access(dir, function (err) {
            if (err) {
                return reject(err);
            }
            fs.readdir(dir, function (err, files) {
                if (err) {
                    return reject(err);
                }
                Promise.all(files.map(function (file) {
                    return deleteFile(dir, file);
                })).then(function () {
                    fs.rmdir(dir, function (err) {
                        if (err) {
                            return reject(err);
                        }
                        resolve();
                    });
                }).catch(reject);
            });
        });
    });
};

方法删除非空目录

rmdir(path,{recursive:true,force:true}
rm(path,{recursive:true,force:true}

将工作

代码片段:

const fsp = require("fs/promises");

deleteDirRecursively("./b");
removeRecursively("./BCD/b+");

async function deleteDirRecursively(dirPath) {
  try {
    // fsPromises.rmdir() on a file (not a directory) results in the promise being rejected
    // with an ENOENT error on Windows and an ENOTDIR error on POSIX.
    // To get a behavior similar to the rm -rf Unix command,
    // use fsPromises.rm() with options { recursive: true, force: true }.
    //will not thorw error if dir is empty
    //will thow error if dir is not present
    await fsp.rmdir(dirPath, { recursive: true, force: true });
    console.log(dirPath, "deleted successfully");
  } catch (err) {
    console.log(err);
  }

async function removeRecursively(path) {
  try {
    //has ability to remove both file and dir
    //can delete dir recursively and forcefully
    //will delete an empty dir.
    //will remove all the contents of a dir.
    // the only difference between rmdir and rm is that rmdir can only delete dir's
    await fsp.rm(path, { recursive: true, force: true });
    console.log(path, "deleted successfully");
  } catch (err) {
    console.log(err);
  }
}

我到达这里时,试图克服与大口,我正在写进一步达到。

对于gulp-rimraf,已弃用Gulp-clean Gulp-rimraf已弃用,支持delete-files-folders

当要使用del删除文件和文件夹时,应添加/**进行递归删除。

gulp.task('clean', function () {
    return del(['some/path/to/delete/**']);
});