59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
var path = require('path')
|
|
var fs = require('graceful-fs')
|
|
var mkdir = require('../mkdirs')
|
|
|
|
function createLink (srcpath, dstpath, callback) {
|
|
function makeLink (srcpath, dstpath) {
|
|
fs.link(srcpath, dstpath, function (err) {
|
|
if (err) return callback(err)
|
|
callback(null)
|
|
})
|
|
}
|
|
|
|
fs.exists(dstpath, function (destinationExists) {
|
|
if (destinationExists) return callback(null)
|
|
fs.lstat(srcpath, function (err, stat) {
|
|
if (err) {
|
|
err.message = err.message.replace('lstat', 'ensureLink')
|
|
return callback(err)
|
|
}
|
|
|
|
var dir = path.dirname(dstpath)
|
|
fs.exists(dir, function (dirExists) {
|
|
if (dirExists) return makeLink(srcpath, dstpath)
|
|
mkdir.mkdirs(dir, function (err) {
|
|
if (err) return callback(err)
|
|
makeLink(srcpath, dstpath)
|
|
})
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
function createLinkSync (srcpath, dstpath, callback) {
|
|
var destinationExists = fs.existsSync(dstpath)
|
|
if (destinationExists) return undefined
|
|
|
|
try {
|
|
fs.lstatSync(srcpath)
|
|
} catch (err) {
|
|
err.message = err.message.replace('lstat', 'ensureLink')
|
|
throw err
|
|
}
|
|
|
|
var dir = path.dirname(dstpath)
|
|
var dirExists = fs.existsSync(dir)
|
|
if (dirExists) return fs.linkSync(srcpath, dstpath)
|
|
mkdir.mkdirsSync(dir)
|
|
|
|
return fs.linkSync(srcpath, dstpath)
|
|
}
|
|
|
|
module.exports = {
|
|
createLink: createLink,
|
|
createLinkSync: createLinkSync,
|
|
// alias
|
|
ensureLink: createLink,
|
|
ensureLinkSync: createLinkSync
|
|
}
|