forked from zhurui/management
85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
'use strict'
|
|
module.exports = move
|
|
|
|
var nodeFs = require('fs')
|
|
var rimraf = require('rimraf')
|
|
var validate = require('aproba')
|
|
var copy = require('copy-concurrently')
|
|
var RunQueue = require('run-queue')
|
|
var extend = Object.assign || require('util')._extend
|
|
|
|
function promisify (Promise, fn) {
|
|
return function () {
|
|
var args = [].slice.call(arguments)
|
|
return new Promise(function (resolve, reject) {
|
|
return fn.apply(null, args.concat(function (err, value) {
|
|
if (err) {
|
|
reject(err)
|
|
} else {
|
|
resolve(value)
|
|
}
|
|
}))
|
|
})
|
|
}
|
|
}
|
|
|
|
function move (from, to, opts) {
|
|
validate('SSO|SS', arguments)
|
|
opts = extend({}, opts || {})
|
|
|
|
var Promise = opts.Promise || global.Promise
|
|
var fs = opts.fs || nodeFs
|
|
var rimrafAsync = promisify(Promise, rimraf)
|
|
var renameAsync = promisify(Promise, fs.rename)
|
|
|
|
opts.top = from
|
|
|
|
var queue = new RunQueue({
|
|
maxConcurrency: opts.maxConcurrency,
|
|
Promise: Promise
|
|
})
|
|
opts.queue = queue
|
|
opts.recurseWith = rename
|
|
|
|
queue.add(0, rename, [from, to, opts])
|
|
|
|
return queue.run().then(function () {
|
|
return remove(from)
|
|
}, function (err) {
|
|
// if the target already exists don't clobber it
|
|
if (err.code === 'EEXIST' || err.code === 'EPERM') {
|
|
return passThroughError()
|
|
} else {
|
|
return remove(to).then(passThroughError, passThroughError)
|
|
}
|
|
function passThroughError () {
|
|
return Promise.reject(err)
|
|
}
|
|
})
|
|
|
|
function remove (target) {
|
|
var opts = {
|
|
unlink: fs.unlink,
|
|
chmod: fs.chmod,
|
|
stat: fs.stat,
|
|
lstat: fs.lstat,
|
|
rmdir: fs.rmdir,
|
|
readdir: fs.readdir,
|
|
glob: false
|
|
}
|
|
return rimrafAsync(target, opts)
|
|
}
|
|
|
|
function rename (from, to, opts, done) {
|
|
return renameAsync(from, to).catch(function (err) {
|
|
if (err.code !== 'EXDEV') {
|
|
return Promise.reject(err)
|
|
} else {
|
|
return remove(to).then(function () {
|
|
return copy.item(from, to, opts)
|
|
})
|
|
}
|
|
})
|
|
}
|
|
}
|