blob: 0c491a60289b4b0d37da2ff0e20785ab3fc69fcf (
plain)
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
|
'use strict'
var realizePackageSpecifier = require('realize-package-specifier')
var isRegistrySpecifier = require('./is-registry-specifier.js')
module.exports = function (name, sw, where, cb) {
function lookup (ver, cb) {
realizePackageSpecifier(name + '@' + ver, where, cb)
}
if (sw.resolved) {
return lookup(sw.resolved, cb)
} else if (sw.from) {
return lookup(sw.from, function (err, spec) {
if (err || isRegistrySpecifier(spec)) {
return thenUseVersion()
} else {
return cb(null, spec)
}
})
} else {
return thenUseVersion()
}
function thenUseVersion () {
lookup(sw.version, cb)
}
}
|