1
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var fs = require('fs')
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2
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var core
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3
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if (process.platform === 'win32' || global.TESTING_WINDOWS) {
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4
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core = require('./windows.js')
|
5
|
} else {
|
6
|
core = require('./mode.js')
|
7
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}
|
8
|
|
9
|
module.exports = isexe
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10
|
isexe.sync = sync
|
11
|
|
12
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function isexe (path, options, cb) {
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13
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if (typeof options === 'function') {
|
14
|
cb = options
|
15
|
options = {}
|
16
|
}
|
17
|
|
18
|
if (!cb) {
|
19
|
if (typeof Promise !== 'function') {
|
20
|
throw new TypeError('callback not provided')
|
21
|
}
|
22
|
|
23
|
return new Promise(function (resolve, reject) {
|
24
|
isexe(path, options || {}, function (er, is) {
|
25
|
if (er) {
|
26
|
reject(er)
|
27
|
} else {
|
28
|
resolve(is)
|
29
|
}
|
30
|
})
|
31
|
})
|
32
|
}
|
33
|
|
34
|
core(path, options || {}, function (er, is) {
|
35
|
// ignore EACCES because that just means we aren't allowed to run it
|
36
|
if (er) {
|
37
|
if (er.code === 'EACCES' || options && options.ignoreErrors) {
|
38
|
er = null
|
39
|
is = false
|
40
|
}
|
41
|
}
|
42
|
cb(er, is)
|
43
|
})
|
44
|
}
|
45
|
|
46
|
function sync (path, options) {
|
47
|
// my kingdom for a filtered catch
|
48
|
try {
|
49
|
return core.sync(path, options || {})
|
50
|
} catch (er) {
|
51
|
if (options && options.ignoreErrors || er.code === 'EACCES') {
|
52
|
return false
|
53
|
} else {
|
54
|
throw er
|
55
|
}
|
56
|
}
|
57
|
}
|