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79 lines
2.2 KiB
JavaScript

const { dirname, join, resolve, relative, isAbsolute } = require('path')
const fs = require('fs/promises')
const pathExists = async path => {
try {
await fs.access(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 fs.mkdir(dirname(destination), { recursive: true })
try {
await fs.rename(source, destination)
} catch (error) {
if (error.code === 'EXDEV' || error.code === 'EPERM') {
const sourceStat = await fs.lstat(source)
if (sourceStat.isDirectory()) {
const files = await fs.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 fs.copyFile(source, destination)
}
} else {
throw error
}
}
if (root) {
await Promise.all(symlinks.map(async ({ source: symSource, destination: symDestination }) => {
let target = await fs.readlink(symSource)
// junction symlinks in windows will be absolute paths, so we need to
// make sure they point to the symlink destination
if (isAbsolute(target)) {
target = resolve(symDestination, relative(symSource, target))
}
// try to determine what the actual file is so we can create the correct
// type of symlink in windows
let targetStat = 'file'
try {
targetStat = await fs.stat(resolve(dirname(symSource), target))
if (targetStat.isDirectory()) {
targetStat = 'junction'
}
} catch {
// targetStat remains 'file'
}
await fs.symlink(
target,
symDestination,
targetStat
)
}))
await fs.rm(source, { recursive: true, force: true })
}
}
module.exports = moveFile