1 | const debug = require('../internal/debug')
|
2 | const { MAX_LENGTH, MAX_SAFE_INTEGER } = require('../internal/constants')
|
3 | const { re, t } = require('../internal/re')
|
4 |
|
5 | const parseOptions = require('../internal/parse-options')
|
6 | const { compareIdentifiers } = require('../internal/identifiers')
|
7 | class SemVer {
|
8 | constructor (version, options) {
|
9 | options = parseOptions(options)
|
10 |
|
11 | if (version instanceof SemVer) {
|
12 | if (version.loose === !!options.loose &&
|
13 | version.includePrerelease === !!options.includePrerelease) {
|
14 | return version
|
15 | } else {
|
16 | version = version.version
|
17 | }
|
18 | } else if (typeof version !== 'string') {
|
19 | throw new TypeError(`Invalid Version: ${version}`)
|
20 | }
|
21 |
|
22 | if (version.length > MAX_LENGTH) {
|
23 | throw new TypeError(
|
24 | `version is longer than ${MAX_LENGTH} characters`
|
25 | )
|
26 | }
|
27 |
|
28 | debug('SemVer', version, options)
|
29 | this.options = options
|
30 | this.loose = !!options.loose
|
31 |
|
32 |
|
33 | this.includePrerelease = !!options.includePrerelease
|
34 |
|
35 | const m = version.trim().match(options.loose ? re[t.LOOSE] : re[t.FULL])
|
36 |
|
37 | if (!m) {
|
38 | throw new TypeError(`Invalid Version: ${version}`)
|
39 | }
|
40 |
|
41 | this.raw = version
|
42 |
|
43 |
|
44 | this.major = +m[1]
|
45 | this.minor = +m[2]
|
46 | this.patch = +m[3]
|
47 |
|
48 | if (this.major > MAX_SAFE_INTEGER || this.major < 0) {
|
49 | throw new TypeError('Invalid major version')
|
50 | }
|
51 |
|
52 | if (this.minor > MAX_SAFE_INTEGER || this.minor < 0) {
|
53 | throw new TypeError('Invalid minor version')
|
54 | }
|
55 |
|
56 | if (this.patch > MAX_SAFE_INTEGER || this.patch < 0) {
|
57 | throw new TypeError('Invalid patch version')
|
58 | }
|
59 |
|
60 |
|
61 | if (!m[4]) {
|
62 | this.prerelease = []
|
63 | } else {
|
64 | this.prerelease = m[4].split('.').map((id) => {
|
65 | if (/^[0-9]+$/.test(id)) {
|
66 | const num = +id
|
67 | if (num >= 0 && num < MAX_SAFE_INTEGER) {
|
68 | return num
|
69 | }
|
70 | }
|
71 | return id
|
72 | })
|
73 | }
|
74 |
|
75 | this.build = m[5] ? m[5].split('.') : []
|
76 | this.format()
|
77 | }
|
78 |
|
79 | format () {
|
80 | this.version = `${this.major}.${this.minor}.${this.patch}`
|
81 | if (this.prerelease.length) {
|
82 | this.version += `-${this.prerelease.join('.')}`
|
83 | }
|
84 | return this.version
|
85 | }
|
86 |
|
87 | toString () {
|
88 | return this.version
|
89 | }
|
90 |
|
91 | compare (other) {
|
92 | debug('SemVer.compare', this.version, this.options, other)
|
93 | if (!(other instanceof SemVer)) {
|
94 | if (typeof other === 'string' && other === this.version) {
|
95 | return 0
|
96 | }
|
97 | other = new SemVer(other, this.options)
|
98 | }
|
99 |
|
100 | if (other.version === this.version) {
|
101 | return 0
|
102 | }
|
103 |
|
104 | return this.compareMain(other) || this.comparePre(other)
|
105 | }
|
106 |
|
107 | compareMain (other) {
|
108 | if (!(other instanceof SemVer)) {
|
109 | other = new SemVer(other, this.options)
|
110 | }
|
111 |
|
112 | return (
|
113 | compareIdentifiers(this.major, other.major) ||
|
114 | compareIdentifiers(this.minor, other.minor) ||
|
115 | compareIdentifiers(this.patch, other.patch)
|
116 | )
|
117 | }
|
118 |
|
119 | comparePre (other) {
|
120 | if (!(other instanceof SemVer)) {
|
121 | other = new SemVer(other, this.options)
|
122 | }
|
123 |
|
124 |
|
125 | if (this.prerelease.length && !other.prerelease.length) {
|
126 | return -1
|
127 | } else if (!this.prerelease.length && other.prerelease.length) {
|
128 | return 1
|
129 | } else if (!this.prerelease.length && !other.prerelease.length) {
|
130 | return 0
|
131 | }
|
132 |
|
133 | let i = 0
|
134 | do {
|
135 | const a = this.prerelease[i]
|
136 | const b = other.prerelease[i]
|
137 | debug('prerelease compare', i, a, b)
|
138 | if (a === undefined && b === undefined) {
|
139 | return 0
|
140 | } else if (b === undefined) {
|
141 | return 1
|
142 | } else if (a === undefined) {
|
143 | return -1
|
144 | } else if (a === b) {
|
145 | continue
|
146 | } else {
|
147 | return compareIdentifiers(a, b)
|
148 | }
|
149 | } while (++i)
|
150 | }
|
151 |
|
152 | compareBuild (other) {
|
153 | if (!(other instanceof SemVer)) {
|
154 | other = new SemVer(other, this.options)
|
155 | }
|
156 |
|
157 | let i = 0
|
158 | do {
|
159 | const a = this.build[i]
|
160 | const b = other.build[i]
|
161 | debug('prerelease compare', i, a, b)
|
162 | if (a === undefined && b === undefined) {
|
163 | return 0
|
164 | } else if (b === undefined) {
|
165 | return 1
|
166 | } else if (a === undefined) {
|
167 | return -1
|
168 | } else if (a === b) {
|
169 | continue
|
170 | } else {
|
171 | return compareIdentifiers(a, b)
|
172 | }
|
173 | } while (++i)
|
174 | }
|
175 |
|
176 |
|
177 |
|
178 | inc (release, identifier) {
|
179 | switch (release) {
|
180 | case 'premajor':
|
181 | this.prerelease.length = 0
|
182 | this.patch = 0
|
183 | this.minor = 0
|
184 | this.major++
|
185 | this.inc('pre', identifier)
|
186 | break
|
187 | case 'preminor':
|
188 | this.prerelease.length = 0
|
189 | this.patch = 0
|
190 | this.minor++
|
191 | this.inc('pre', identifier)
|
192 | break
|
193 | case 'prepatch':
|
194 |
|
195 |
|
196 |
|
197 | this.prerelease.length = 0
|
198 | this.inc('patch', identifier)
|
199 | this.inc('pre', identifier)
|
200 | break
|
201 |
|
202 |
|
203 | case 'prerelease':
|
204 | if (this.prerelease.length === 0) {
|
205 | this.inc('patch', identifier)
|
206 | }
|
207 | this.inc('pre', identifier)
|
208 | break
|
209 |
|
210 | case 'major':
|
211 |
|
212 |
|
213 |
|
214 |
|
215 | if (
|
216 | this.minor !== 0 ||
|
217 | this.patch !== 0 ||
|
218 | this.prerelease.length === 0
|
219 | ) {
|
220 | this.major++
|
221 | }
|
222 | this.minor = 0
|
223 | this.patch = 0
|
224 | this.prerelease = []
|
225 | break
|
226 | case 'minor':
|
227 |
|
228 |
|
229 |
|
230 |
|
231 | if (this.patch !== 0 || this.prerelease.length === 0) {
|
232 | this.minor++
|
233 | }
|
234 | this.patch = 0
|
235 | this.prerelease = []
|
236 | break
|
237 | case 'patch':
|
238 |
|
239 |
|
240 |
|
241 |
|
242 | if (this.prerelease.length === 0) {
|
243 | this.patch++
|
244 | }
|
245 | this.prerelease = []
|
246 | break
|
247 |
|
248 |
|
249 | case 'pre':
|
250 | if (this.prerelease.length === 0) {
|
251 | this.prerelease = [0]
|
252 | } else {
|
253 | let i = this.prerelease.length
|
254 | while (--i >= 0) {
|
255 | if (typeof this.prerelease[i] === 'number') {
|
256 | this.prerelease[i]++
|
257 | i = -2
|
258 | }
|
259 | }
|
260 | if (i === -1) {
|
261 |
|
262 | this.prerelease.push(0)
|
263 | }
|
264 | }
|
265 | if (identifier) {
|
266 |
|
267 |
|
268 | if (this.prerelease[0] === identifier) {
|
269 | if (isNaN(this.prerelease[1])) {
|
270 | this.prerelease = [identifier, 0]
|
271 | }
|
272 | } else {
|
273 | this.prerelease = [identifier, 0]
|
274 | }
|
275 | }
|
276 | break
|
277 |
|
278 | default:
|
279 | throw new Error(`invalid increment argument: ${release}`)
|
280 | }
|
281 | this.format()
|
282 | this.raw = this.version
|
283 | return this
|
284 | }
|
285 | }
|
286 |
|
287 | module.exports = SemVer
|