/
index.js
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/
index.js
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'use strict'
const fs = require('graceful-fs')
const path = require('path')
const copySync = require('../copy-sync').copySync
const removeSync = require('../remove').removeSync
const mkdirpSync = require('../mkdirs').mkdirpSync
const pathExistsSync = require('../path-exists').pathExistsSync
function moveSync (src, dest, opts) {
opts = opts || {}
const overwrite = opts.overwrite || opts.clobber || false
src = path.resolve(src)
dest = path.resolve(dest)
if (src === dest) return fs.accessSync(src)
const st = fs.statSync(src)
if (st.isDirectory() && isSrcSubdir(src, dest)) throw new Error(`Cannot move '${src}' to a subdirectory of itself, '${dest}'.`)
mkdirpSync(path.dirname(dest))
return doRename(src, dest, overwrite)
}
function doRename (src, dest, overwrite) {
if (overwrite) {
removeSync(dest)
return rename(src, dest, overwrite)
}
if (pathExistsSync(dest)) throw new Error('dest already exists.')
return rename(src, dest, overwrite)
}
function rename (src, dest, overwrite) {
try {
fs.renameSync(src, dest)
} catch (err) {
if (err.code !== 'EXDEV') throw err
return moveAcrossDevice(src, dest, overwrite)
}
}
function moveAcrossDevice (src, dest, overwrite) {
const opts = {
overwrite,
errorOnExist: true
}
copySync(src, dest, opts)
return removeSync(src)
}
function isSrcSubdir (src, dest) {
const srcArr = src.split(path.sep)
const destArr = dest.split(path.sep)
return srcArr.reduce((acc, curr, i) => acc && destArr[i] === curr, true)
}
module.exports = { moveSync }