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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
'use strict'
module.exports = npa
module.exports.resolve = resolve
module.exports.Result = Result
let url
let HostedGit
let semver
let path
let validatePackageName
let osenv
const isWindows = process.platform === 'win32' || global.FAKE_WINDOWS
const hasSlashes = isWindows ? /\\|[/]/ : /[/]/
const isURL = /^(?:git[+])?[a-z]+:/i
const isFilename = /[.](?:tgz|tar.gz|tar)$/i
function npa (arg, where) {
let name
let spec
if (typeof arg === 'object') {
if (arg instanceof Result && (!where || where === arg.where)) {
return arg
} else if (arg.name && arg.rawSpec) {
return npa.resolve(arg.name, arg.rawSpec, where || arg.where)
} else {
return npa(arg.raw, where || arg.where)
}
}
const nameEndsAt = arg[0] === '@' ? arg.slice(1).indexOf('@') + 1 : arg.indexOf('@')
const namePart = nameEndsAt > 0 ? arg.slice(0, nameEndsAt) : arg
if (isURL.test(arg)) {
spec = arg
} else if (namePart[0] !== '@' && (hasSlashes.test(namePart) || isFilename.test(namePart))) {
spec = arg
} else if (nameEndsAt > 0) {
name = namePart
spec = arg.slice(nameEndsAt + 1)
} else {
if (!validatePackageName) validatePackageName = require('validate-npm-package-name')
const valid = validatePackageName(arg)
if (valid.validForOldPackages) {
name = arg
} else {
spec = arg
}
}
return resolve(name, spec, where, arg)
}
const isFilespec = isWindows ? /^(?:[.]|~[/]|[/\\]|[a-zA-Z]:)/ : /^(?:[.]|~[/]|[/]|[a-zA-Z]:)/
function resolve (name, spec, where, arg) {
const res = new Result({
raw: arg,
name: name,
rawSpec: spec,
fromArgument: arg != null
})
if (name) res.setName(name)
if (spec && (isFilespec.test(spec) || /^file:/i.test(spec))) {
return fromFile(res, where)
} else if (spec && /^npm:/i.test(spec)) {
return fromAlias(res, where)
}
if (!HostedGit) HostedGit = require('hosted-git-info')
const hosted = HostedGit.fromUrl(spec, {noGitPlus: true, noCommittish: true})
if (hosted) {
return fromHostedGit(res, hosted)
} else if (spec && isURL.test(spec)) {
return fromURL(res)
} else if (spec && (hasSlashes.test(spec) || isFilename.test(spec))) {
return fromFile(res, where)
} else {
return fromRegistry(res)
}
}
function invalidPackageName (name, valid) {
const err = new Error(`Invalid package name "${name}": ${valid.errors.join('; ')}`)
err.code = 'EINVALIDPACKAGENAME'
return err
}
function invalidTagName (name) {
const err = new Error(`Invalid tag name "${name}": Tags may not have any characters that encodeURIComponent encodes.`)
err.code = 'EINVALIDTAGNAME'
return err
}
function Result (opts) {
this.type = opts.type
this.registry = opts.registry
this.where = opts.where
if (opts.raw == null) {
this.raw = opts.name ? opts.name + '@' + opts.rawSpec : opts.rawSpec
} else {
this.raw = opts.raw
}
this.name = undefined
this.escapedName = undefined
this.scope = undefined
this.rawSpec = opts.rawSpec == null ? '' : opts.rawSpec
this.saveSpec = opts.saveSpec
this.fetchSpec = opts.fetchSpec
if (opts.name) this.setName(opts.name)
this.gitRange = opts.gitRange
this.gitCommittish = opts.gitCommittish
this.hosted = opts.hosted
}
Result.prototype = {}
Result.prototype.setName = function (name) {
if (!validatePackageName) validatePackageName = require('validate-npm-package-name')
const valid = validatePackageName(name)
if (!valid.validForOldPackages) {
throw invalidPackageName(name, valid)
}
this.name = name
this.scope = name[0] === '@' ? name.slice(0, name.indexOf('/')) : undefined
// scoped packages in couch must have slash url-encoded, e.g. @foo%2Fbar
this.escapedName = name.replace('/', '%2f')
return this
}
Result.prototype.toString = function () {
const full = []
if (this.name != null && this.name !== '') full.push(this.name)
const spec = this.saveSpec || this.fetchSpec || this.rawSpec
if (spec != null && spec !== '') full.push(spec)
return full.length ? full.join('@') : this.raw
}
Result.prototype.toJSON = function () {
const result = Object.assign({}, this)
delete result.hosted
return result
}
function setGitCommittish (res, committish) {
if (committish != null && committish.length >= 7 && committish.slice(0, 7) === 'semver:') {
res.gitRange = decodeURIComponent(committish.slice(7))
res.gitCommittish = null
} else {
res.gitCommittish = committish === '' ? null : committish
}
return res
}
const isAbsolutePath = /^[/]|^[A-Za-z]:/
function resolvePath (where, spec) {
if (isAbsolutePath.test(spec)) return spec
if (!path) path = require('path')
return path.resolve(where, spec)
}
function isAbsolute (dir) {
if (dir[0] === '/') return true
if (/^[A-Za-z]:/.test(dir)) return true
return false
}
function fromFile (res, where) {
if (!where) where = process.cwd()
res.type = isFilename.test(res.rawSpec) ? 'file' : 'directory'
res.where = where
const spec = res.rawSpec.replace(/\\/g, '/')
.replace(/^file:[/]*([A-Za-z]:)/, '$1') // drive name paths on windows
.replace(/^file:(?:[/]*([~./]))?/, '$1')
if (/^~[/]/.test(spec)) {
// this is needed for windows and for file:~/foo/bar
if (!osenv) osenv = require('osenv')
res.fetchSpec = resolvePath(osenv.home(), spec.slice(2))
res.saveSpec = 'file:' + spec
} else {
res.fetchSpec = resolvePath(where, spec)
if (isAbsolute(spec)) {
res.saveSpec = 'file:' + spec
} else {
if (!path) path = require('path')
res.saveSpec = 'file:' + path.relative(where, res.fetchSpec)
}
}
return res
}
function fromHostedGit (res, hosted) {
res.type = 'git'
res.hosted = hosted
res.saveSpec = hosted.toString({noGitPlus: false, noCommittish: false})
res.fetchSpec = hosted.getDefaultRepresentation() === 'shortcut' ? null : hosted.toString()
return setGitCommittish(res, hosted.committish)
}
function unsupportedURLType (protocol, spec) {
const err = new Error(`Unsupported URL Type "${protocol}": ${spec}`)
err.code = 'EUNSUPPORTEDPROTOCOL'
return err
}
function matchGitScp (spec) {
// git ssh specifiers are overloaded to also use scp-style git
// specifiers, so we have to parse those out and treat them special.
// They are NOT true URIs, so we can't hand them to `url.parse`.
//
// This regex looks for things that look like:
// git+ssh://git@my.custom.git.com:username/project.git#deadbeef
//
// ...and various combinations. The username in the beginning is *required*.
const matched = spec.match(/^git\+ssh:\/\/([^:#]+:[^#]+(?:\.git)?)(?:#(.*))?$/i)
return matched && !matched[1].match(/:[0-9]+\/?.*$/i) && {
fetchSpec: matched[1],
gitCommittish: matched[2] == null ? null : matched[2]
}
}
function fromURL (res) {
if (!url) url = require('url')
const urlparse = url.parse(res.rawSpec)
res.saveSpec = res.rawSpec
// 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+file:':
case 'git+ssh:':
res.type = 'git'
const match = urlparse.protocol === 'git+ssh:' && matchGitScp(res.rawSpec)
if (match) {
setGitCommittish(res, match.gitCommittish)
res.fetchSpec = match.fetchSpec
} else {
setGitCommittish(res, urlparse.hash != null ? urlparse.hash.slice(1) : '')
urlparse.protocol = urlparse.protocol.replace(/^git[+]/, '')
delete urlparse.hash
res.fetchSpec = url.format(urlparse)
}
break
case 'http:':
case 'https:':
res.type = 'remote'
res.fetchSpec = res.saveSpec
break
default:
throw unsupportedURLType(urlparse.protocol, res.rawSpec)
}
return res
}
function fromAlias (res, where) {
const subSpec = npa(res.rawSpec.substr(4), where)
if (subSpec.type === 'alias') {
throw new Error('nested aliases not supported')
}
if (!subSpec.registry) {
throw new Error('aliases only work for registry deps')
}
res.subSpec = subSpec
res.registry = true
res.type = 'alias'
res.saveSpec = null
res.fetchSpec = null
return res
}
function fromRegistry (res) {
res.registry = true
const spec = res.rawSpec === '' ? 'latest' : res.rawSpec
// no save spec for registry components as we save based on the fetched
// version, not on the argument so this can't compute that.
res.saveSpec = null
res.fetchSpec = spec
if (!semver) semver = require('semver')
const version = semver.valid(spec, true)
const range = semver.validRange(spec, true)
if (version) {
res.type = 'version'
} else if (range) {
res.type = 'range'
} else {
if (encodeURIComponent(spec) !== spec) {
throw invalidTagName(spec)
}
res.type = 'tag'
}
return res
}
|