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2 years ago
const { dirname, join, resolve, relative, isAbsolute } = require('path')
const rimraf_ = require('rimraf')
const { promisify } = require('util')
const {
access: access_,
accessSync,
copyFile: copyFile_,
copyFileSync,
unlink: unlink_,
unlinkSync,
readdir: readdir_,
readdirSync,
rename: rename_,
renameSync,
stat: stat_,
statSync,
lstat: lstat_,
lstatSync,
symlink: symlink_,
symlinkSync,
readlink: readlink_,
readlinkSync
} = require('fs')
const access = promisify(access_)
const copyFile = promisify(copyFile_)
const unlink = promisify(unlink_)
const readdir = promisify(readdir_)
const rename = promisify(rename_)
const stat = promisify(stat_)
const lstat = promisify(lstat_)
const symlink = promisify(symlink_)
const readlink = promisify(readlink_)
const rimraf = promisify(rimraf_)
const rimrafSync = rimraf_.sync
const mkdirp = require('mkdirp')
const pathExists = async path => {
try {
await access(path)
return true
} catch (er) {
return er.code !== 'ENOENT'
}
}
const pathExistsSync = path => {
try {
accessSync(path)
return true
} catch (er) {
return er.code !== 'ENOENT'
}
}
const moveFile = async (source, destination, options = {}, root = true, symlinks = []) => {
if (!source || !destination) {
throw new TypeError('`source` and `destination` file required')
}
options = {
overwrite: true,
...options
}
if (!options.overwrite && await pathExists(destination)) {
throw new Error(`The destination file exists: ${destination}`)
}
await mkdirp(dirname(destination))
try {
await rename(source, destination)
} catch (error) {
if (error.code === 'EXDEV' || error.code === 'EPERM') {
const sourceStat = await lstat(source)
if (sourceStat.isDirectory()) {
const files = await readdir(source)
await Promise.all(files.map((file) => moveFile(join(source, file), join(destination, file), options, false, symlinks)))
} else if (sourceStat.isSymbolicLink()) {
symlinks.push({ source, destination })
} else {
await copyFile(source, destination)
}
} else {
throw error
}
}
if (root) {
await Promise.all(symlinks.map(async ({ source, destination }) => {
let target = await readlink(source)
// junction symlinks in windows will be absolute paths, so we need to make sure they point to the destination
if (isAbsolute(target))
target = resolve(destination, relative(source, target))
// try to determine what the actual file is so we can create the correct type of symlink in windows
let targetStat
try {
targetStat = await stat(resolve(dirname(source), target))
} catch (err) {}
await symlink(target, destination, targetStat && targetStat.isDirectory() ? 'junction' : 'file')
}))
await rimraf(source)
}
}
const moveFileSync = (source, destination, options = {}, root = true, symlinks = []) => {
if (!source || !destination) {
throw new TypeError('`source` and `destination` file required')
}
options = {
overwrite: true,
...options
}
if (!options.overwrite && pathExistsSync(destination)) {
throw new Error(`The destination file exists: ${destination}`)
}
mkdirp.sync(dirname(destination))
try {
renameSync(source, destination)
} catch (error) {
if (error.code === 'EXDEV' || error.code === 'EPERM') {
const sourceStat = lstatSync(source)
if (sourceStat.isDirectory()) {
const files = readdirSync(source)
for (const file of files) {
moveFileSync(join(source, file), join(destination, file), options, false, symlinks)
}
} else if (sourceStat.isSymbolicLink()) {
symlinks.push({ source, destination })
} else {
copyFileSync(source, destination)
}
} else {
throw error
}
}
if (root) {
for (const { source, destination } of symlinks) {
let target = readlinkSync(source)
// junction symlinks in windows will be absolute paths, so we need to make sure they point to the destination
if (isAbsolute(target))
target = resolve(destination, relative(source, target))
// try to determine what the actual file is so we can create the correct type of symlink in windows
let targetStat
try {
targetStat = statSync(resolve(dirname(source), target))
} catch (err) {}
symlinkSync(target, destination, targetStat && targetStat.isDirectory() ? 'junction' : 'file')
}
rimrafSync(source)
}
}
module.exports = moveFile
module.exports.sync = moveFileSync