-
-
Notifications
You must be signed in to change notification settings - Fork 89
/
utils.js
57 lines (52 loc) 路 1.09 KB
/
utils.js
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
const Promise = require('pinkie-promise')
const fs = require('fs')
function unlinkP (path) {
return new Promise((resolve, reject) => {
fs.unlink(path, function (err) {
if (err) {
return reject(err)
}
return resolve()
})
})
}
function readFileP (path) {
return new Promise((resolve, reject) => {
fs.readFile(path, function (err, img) {
if (err) {
return reject(err)
}
resolve(img)
})
})
}
function readAndUnlinkP (path) {
return new Promise((resolve, reject) => {
readFileP(path)
.then((img) => {
unlinkP(path)
.then(() => resolve(img))
.catch(reject)
})
.catch(reject)
})
}
function defaultAll (snapshot) {
return new Promise((resolve, reject) => {
snapshot.listDisplays()
.then((displays) => {
const snapsP = displays
.map(({ id }) => snapshot({ screen: id }))
Promise.all(snapsP)
.then(resolve)
.catch(reject)
})
.catch(reject)
})
}
module.exports = {
unlinkP,
readFileP,
readAndUnlinkP,
defaultAll
}