75 lines
2 KiB
JavaScript
75 lines
2 KiB
JavaScript
'use strict'
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const fs = require('graceful-fs')
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const path = require('path')
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const copy = require('../copy').copy
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const remove = require('../remove').remove
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const mkdirp = require('../mkdirs').mkdirp
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const pathExists = require('../path-exists').pathExists
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const stat = require('../util/stat')
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function move (src, dest, opts, cb) {
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if (typeof opts === 'function') {
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cb = opts
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opts = {}
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}
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opts = opts || {}
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const overwrite = opts.overwrite || opts.clobber || false
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stat.checkPaths(src, dest, 'move', opts, (err, stats) => {
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if (err) return cb(err)
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const { srcStat, isChangingCase = false } = stats
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stat.checkParentPaths(src, srcStat, dest, 'move', err => {
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if (err) return cb(err)
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if (isParentRoot(dest)) return doRename(src, dest, overwrite, isChangingCase, cb)
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mkdirp(path.dirname(dest), err => {
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if (err) return cb(err)
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return doRename(src, dest, overwrite, isChangingCase, cb)
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})
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})
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})
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}
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function isParentRoot (dest) {
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const parent = path.dirname(dest)
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const parsedPath = path.parse(parent)
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return parsedPath.root === parent
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}
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function doRename (src, dest, overwrite, isChangingCase, cb) {
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if (isChangingCase) return rename(src, dest, overwrite, cb)
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if (overwrite) {
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return remove(dest, err => {
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if (err) return cb(err)
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return rename(src, dest, overwrite, cb)
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})
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}
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pathExists(dest, (err, destExists) => {
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if (err) return cb(err)
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if (destExists) return cb(new Error('dest already exists.'))
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return rename(src, dest, overwrite, cb)
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})
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}
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function rename (src, dest, overwrite, cb) {
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fs.rename(src, dest, err => {
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if (!err) return cb()
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if (err.code !== 'EXDEV') return cb(err)
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return moveAcrossDevice(src, dest, overwrite, cb)
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})
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}
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function moveAcrossDevice (src, dest, overwrite, cb) {
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const opts = {
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overwrite,
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errorOnExist: true
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}
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copy(src, dest, opts, err => {
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if (err) return cb(err)
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return remove(src, cb)
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})
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}
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module.exports = move
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