1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
'use strict'
const u = require('universalify').fromCallback
const path = require('path')
const fs = require('graceful-fs')
const mkdir = require('../mkdirs')
const pathExists = require('../path-exists').pathExists
function createLink (srcpath, dstpath, callback) {
function makeLink (srcpath, dstpath) {
fs.link(srcpath, dstpath, err => {
if (err) return callback(err)
callback(null)
})
}
pathExists(dstpath, (err, destinationExists) => {
if (err) return callback(err)
if (destinationExists) return callback(null)
fs.lstat(srcpath, (err, stat) => {
if (err) {
err.message = err.message.replace('lstat', 'ensureLink')
return callback(err)
}
const dir = path.dirname(dstpath)
pathExists(dir, (err, dirExists) => {
if (err) return callback(err)
if (dirExists) return makeLink(srcpath, dstpath)
mkdir.mkdirs(dir, err => {
if (err) return callback(err)
makeLink(srcpath, dstpath)
})
})
})
})
}
function createLinkSync (srcpath, dstpath, callback) {
const destinationExists = fs.existsSync(dstpath)
if (destinationExists) return undefined
try {
fs.lstatSync(srcpath)
} catch (err) {
err.message = err.message.replace('lstat', 'ensureLink')
throw err
}
const dir = path.dirname(dstpath)
const dirExists = fs.existsSync(dir)
if (dirExists) return fs.linkSync(srcpath, dstpath)
mkdir.mkdirsSync(dir)
return fs.linkSync(srcpath, dstpath)
}
module.exports = {
createLink: u(createLink),
createLinkSync
}
|
