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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
var url = require("url")
var assert = require("assert")
var util = require("util")
var semver = require("semver")
var path = require("path")
var HostedGit = require("hosted-git-info")
module.exports = npa
var isWindows = process.platform === "win32" || global.FAKE_WINDOWS
var slashRe = isWindows ? /\\|[/]/ : /[/]/
var parseName = /^(?:@([^/]+?)[/])?([^/]+?)$/
var nameAt = /^(@([^/]+?)[/])?([^/]+?)@/
var debug = util.debuglog ? util.debuglog("npa")
: /\bnpa\b/i.test(process.env.NODE_DEBUG || "")
? function () {
console.error("NPA: " + util.format.apply(util, arguments).split("\n").join("\nNPA: "))
} : function () {}
function validName (name) {
if (!name) {
debug("not a name %j", name)
return false
}
var n = name.trim()
if (!n || n.charAt(0) === "."
|| !n.match(/^[a-zA-Z0-9]/)
|| n.match(/[/()&?#|<>@:%\s\\*'"!~`]/)
|| n.toLowerCase() === "node_modules"
|| n !== encodeURIComponent(n)
|| n.toLowerCase() === "favicon.ico") {
debug("not a valid name %j", name)
return false
}
return n
}
function npa (arg) {
assert.equal(typeof arg, "string")
arg = arg.trim()
var res = new Result
res.raw = arg
res.scope = null
// See if it's something like foo@...
var nameparse = arg.match(nameAt)
debug("nameparse", nameparse)
if (nameparse && validName(nameparse[3]) &&
(!nameparse[2] || validName(nameparse[2]))) {
res.name = (nameparse[1] || "") + nameparse[3]
if (nameparse[2])
res.scope = "@" + nameparse[2]
arg = arg.substr(nameparse[0].length)
} else {
res.name = null
}
res.rawSpec = arg
res.spec = arg
var urlparse = url.parse(arg)
debug("urlparse", urlparse)
// windows paths look like urls
// don't be fooled!
if (isWindows && urlparse && urlparse.protocol &&
urlparse.protocol.match(/^[a-zA-Z]:$/)) {
debug("windows url-ish local path", urlparse)
urlparse = {}
}
if (urlparse.protocol || HostedGit.fromUrl(arg)) {
return parseUrl(res, arg, urlparse)
}
// at this point, it's not a url, and not hosted
// If it's a valid name, and doesn't already have a name, then assume
// $name@"" range
//
// if it's got / chars in it, then assume that it's local.
if (res.name) {
var version = semver.valid(arg, true)
var range = semver.validRange(arg, true)
// foo@...
if (version) {
res.spec = version
res.type = "version"
} else if (range) {
res.spec = range
res.type = "range"
} else if (slashRe.test(arg)) {
parseLocal(res, arg)
} else {
res.type = "tag"
res.spec = arg
}
} else {
var p = arg.match(parseName)
if (p && validName(p[2]) &&
(!p[1] || validName(p[1]))) {
res.type = "range"
res.spec = "*"
res.rawSpec = ""
res.name = arg
if (p[1])
res.scope = "@" + p[1]
} else {
parseLocal(res, arg)
}
}
return res
}
function parseLocal (res, arg) {
// turns out nearly every character is allowed in fs paths
if (/\0/.test(arg)) {
throw new Error("Invalid Path: " + JSON.stringify(arg))
}
res.type = "local"
res.spec = path.resolve(arg)
}
function parseUrl (res, arg, urlparse) {
var gitHost = HostedGit.fromUrl(arg)
if (gitHost) {
res.type = "hosted"
res.spec = gitHost.toString(),
res.hosted = {
type: gitHost.type,
ssh: gitHost.ssh(),
sshUrl: gitHost.sshurl(),
httpsUrl: gitHost.https(),
gitUrl: gitHost.git(),
shortcut: gitHost.shortcut(),
directUrl: gitHost.file("package.json")
}
return res
}
// check the protocol, and then see if it's git or not
switch (urlparse.protocol) {
case "git:":
case "git+http:":
case "git+https:":
case "git+rsync:":
case "git+ftp:":
case "git+ssh:":
case "git+file:":
res.type = "git"
res.spec = arg.replace(/^git[+]/, "")
break
case "http:":
case "https:":
res.type = "remote"
res.spec = arg
break
case "file:":
res.type = "local"
res.spec = urlparse.pathname
break
default:
throw new Error("Unsupported URL Type: " + arg)
break
}
return res
}
function Result () {
if (!(this instanceof Result)) return new Result
}
Result.prototype.name = null
Result.prototype.type = null
Result.prototype.spec = null
Result.prototype.raw = null
Result.prototype.hosted = null
|