forked from zhurui/management
83 lines
1.9 KiB
JavaScript
83 lines
1.9 KiB
JavaScript
'use strict'
|
|
|
|
const u = require('universalify').fromCallback
|
|
const fs = require('graceful-fs')
|
|
const path = require('path')
|
|
const copy = require('../copy').copy
|
|
const remove = require('../remove').remove
|
|
const mkdirp = require('../mkdirs').mkdirp
|
|
const pathExists = require('../path-exists').pathExists
|
|
|
|
function move (src, dest, opts, cb) {
|
|
if (typeof opts === 'function') {
|
|
cb = opts
|
|
opts = {}
|
|
}
|
|
|
|
const overwrite = opts.overwrite || opts.clobber || false
|
|
|
|
src = path.resolve(src)
|
|
dest = path.resolve(dest)
|
|
|
|
if (src === dest) return fs.access(src, cb)
|
|
|
|
fs.stat(src, (err, st) => {
|
|
if (err) return cb(err)
|
|
|
|
if (st.isDirectory() && isSrcSubdir(src, dest)) {
|
|
return cb(new Error(`Cannot move '${src}' to a subdirectory of itself, '${dest}'.`))
|
|
}
|
|
mkdirp(path.dirname(dest), err => {
|
|
if (err) return cb(err)
|
|
return doRename(src, dest, overwrite, cb)
|
|
})
|
|
})
|
|
}
|
|
|
|
function doRename (src, dest, overwrite, cb) {
|
|
if (overwrite) {
|
|
return remove(dest, err => {
|
|
if (err) return cb(err)
|
|
return rename(src, dest, overwrite, cb)
|
|
})
|
|
}
|
|
pathExists(dest, (err, destExists) => {
|
|
if (err) return cb(err)
|
|
if (destExists) return cb(new Error('dest already exists.'))
|
|
return rename(src, dest, overwrite, cb)
|
|
})
|
|
}
|
|
|
|
function rename (src, dest, overwrite, cb) {
|
|
fs.rename(src, dest, err => {
|
|
if (!err) return cb()
|
|
if (err.code !== 'EXDEV') return cb(err)
|
|
return moveAcrossDevice(src, dest, overwrite, cb)
|
|
})
|
|
}
|
|
|
|
function moveAcrossDevice (src, dest, overwrite, cb) {
|
|
const opts = {
|
|
overwrite,
|
|
errorOnExist: true
|
|
}
|
|
|
|
copy(src, dest, opts, err => {
|
|
if (err) return cb(err)
|
|
return remove(src, cb)
|
|
})
|
|
}
|
|
|
|
function isSrcSubdir (src, dest) {
|
|
const srcArray = src.split(path.sep)
|
|
const destArray = dest.split(path.sep)
|
|
|
|
return srcArray.reduce((acc, current, i) => {
|
|
return acc && destArray[i] === current
|
|
}, true)
|
|
}
|
|
|
|
module.exports = {
|
|
move: u(move)
|
|
}
|