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Delete non-empty directory over FTP with JavaScript
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const JSFtp = require("jsftp"); | |
const path = require('path'); | |
var ftp = new JSFtp({ | |
host: process.env.HOST, | |
port: process.env.PORT, | |
user: process.env.USERNAME, | |
pass: process.env.PASSWORD | |
}); | |
ftp.auth( | |
ftp.user, | |
ftp.pass, | |
function (err, data) { | |
if (err) { | |
console.log("Error is: ", err); | |
return; | |
} | |
removeAllFilesInPublicFolder(ftp); | |
} | |
); | |
function removeAllFilesInPublicFolder(ftp) { | |
walk(ftp, '/public') | |
.then((results) => { | |
let files = flatten(results) | |
.filter(Boolean); | |
console.log("About to try deleting ", files.map((file) => file.filepath)); | |
// Non-empty directories can't be removed, should I remove all files first? | |
let deletions = files.map((file) => { | |
if (isDirectory(file)) { | |
return deleteDirectory(ftp, file); | |
} else { | |
return deleteFile(ftp, file); | |
} | |
}); | |
return Promise.all(deletions); | |
}).then((deletionResults) => { | |
console.log("Deletion results: ", deletionResults); | |
ftp.destroy(); | |
}).catch((error) => { | |
console.log("Error: ", error); | |
ftp.destroy(); | |
}) | |
} | |
function walk(ftp, directory) { | |
return list(ftp, directory) | |
.then((files) => { | |
if (files.length === 0) { | |
return Promise.resolve(); | |
} | |
return Promise.all(files.map((file) => { | |
file.filepath = path.join(directory, file.name); | |
let promises = []; | |
if (isDirectory(file)) { | |
promises.push(walk(ftp, path.join(directory, file.name))); | |
} | |
// Make sure the directory is after the files in the list of promises | |
promises.push(Promise.resolve(file)); | |
return Promise.all(promises); | |
})); | |
}); | |
} | |
function deleteDirectory(ftp, directory) { | |
return new Promise((resolve, reject) => { | |
ftp.raw('rmd', directory.filepath, (error, result) => { | |
if (error) { | |
return reject(error); | |
} else { | |
return resolve(result); | |
} | |
}); | |
}) | |
} | |
function deleteFile(ftp, file) { | |
return new Promise((resolve, reject) => { | |
ftp.raw('dele', file.filepath, (error, result) => { | |
if (error) { | |
return reject(error); | |
} else { | |
return resolve(result); | |
} | |
}); | |
}) | |
} | |
function list(ftp, directory) { | |
return new Promise((resolve, reject) => { | |
ftp.ls(directory, (error, files) => { | |
if (error) { | |
reject(error); | |
return; | |
} | |
resolve(files); | |
}); | |
}); | |
} | |
function isDirectory(file) { | |
return file.type === 1; | |
} | |
const flatten = list => list.reduce( | |
(a, b) => a.concat(Array.isArray(b) ? flatten(b) : b), [] | |
); |
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See jsftp-simplify 😄