1 | 1 | 'use strict'; |
2 | | |
3 | 1 | var _ = require('lodash'); |
4 | | |
5 | 1 | function Semver(tolerance) { |
6 | 19 | this._tolerance = tolerance; |
7 | | } |
8 | | |
9 | 1 | Semver.prototype.setComparison = function(base, comparator) { |
10 | 26 | this._base = this.parse(base); |
11 | 26 | this._comparator = this.parse(comparator); |
12 | | |
13 | 26 | return this; |
14 | | }; |
15 | | |
16 | 1 | Semver.prototype.allMajor = function(status, comparator) { |
17 | 2 | var |
18 | | _comparator = comparator || 'latest', |
19 | | _outdated = {}; |
20 | | |
21 | 2 | _.each(status, function(version, packageName) { |
22 | 4 | this.setComparison(version.current, version.latest); |
23 | | |
24 | 4 | if (!this.major().ahead(this._tolerance.major)) { |
25 | 2 | _outdated[packageName] = version; |
26 | | } |
27 | | }, this); |
28 | | |
29 | 2 | return { |
30 | | passing: Object.keys(_outdated).length <= 0, |
31 | | outdated: _outdated |
32 | | }; |
33 | | }; |
34 | | |
35 | 1 | Semver.prototype.allMinor = function(status, comparator) { |
36 | 2 | var |
37 | | _comparator = comparator || 'latest', |
38 | | _outdated = {}; |
39 | | |
40 | 2 | _.each(status, function(version, packageName) { |
41 | 4 | this.setComparison(version.current, version.latest); |
42 | | |
43 | 4 | if (!this.minor().ahead(this._tolerance.minor)) { |
44 | 1 | _outdated[packageName] = version; |
45 | | } |
46 | | }, this); |
47 | | |
48 | 2 | return { |
49 | | passing: Object.keys(_outdated).length <= 0, |
50 | | outdated: _outdated |
51 | | }; |
52 | | }; |
53 | | |
54 | 1 | Semver.prototype.allPatch = function(status, comparator) { |
55 | 2 | var |
56 | | _comparator = comparator || 'latest', |
57 | | _outdated = {}; |
58 | | |
59 | 2 | _.each(status, function(version, packageName) { |
60 | 4 | this.setComparison(version.current, version.latest); |
61 | | |
62 | 4 | if (!this.patch().ahead(this._tolerance.patch)) { |
63 | 2 | _outdated[packageName] = version; |
64 | | } |
65 | | }, this); |
66 | | |
67 | 2 | return { |
68 | | passing: Object.keys(_outdated).length <= 0, |
69 | | outdated: _outdated |
70 | | }; |
71 | | }; |
72 | | |
73 | 1 | Semver.prototype.generate = function(part) { |
74 | 30 | var api = { |
75 | | get: function() { |
76 | 3 | return this._base[part]; |
77 | | }, |
78 | | is: function(minor) { |
79 | 3 | return minor === this._base[part]; |
80 | | }, |
81 | | behind: function(range) { |
82 | 6 | var _tolerance = this._comparator[part] - range; |
83 | | |
84 | 6 | return this._base[part] >= _tolerance; |
85 | | }, |
86 | | ahead: function(range) { |
87 | 18 | var _tolerance = this._base[part] + range; |
88 | | |
89 | 18 | return _tolerance >= this._comparator[part]; |
90 | | } |
91 | | }; |
92 | | |
93 | 30 | return { |
94 | | get: api.get.bind(this), |
95 | | is: api.is.bind(this), |
96 | | behind: api.behind.bind(this), |
97 | | ahead: api.ahead.bind(this) |
98 | | }; |
99 | | }; |
100 | | |
101 | 1 | Semver.prototype.parse = function(version) { |
102 | 54 | if (typeof version !== 'string') { return false; } |
103 | | |
104 | 50 | var _split = version.split('.'), |
105 | | _parsed; |
106 | | |
107 | 53 | if (_split.length !== 3) { return false; } |
108 | | |
109 | 47 | _parsed = { |
110 | | major: parseInt(_split[0]), |
111 | | minor: parseInt(_split[1]), |
112 | | patch: parseInt(_split[2]) |
113 | | }; |
114 | | |
115 | 47 | return ( |
116 | | isNaN(_parsed.major) || |
117 | | isNaN(_parsed.minor) || |
118 | | isNaN(_parsed.patch) |
119 | | ) ? false : _parsed; |
120 | | }; |
121 | | |
122 | 1 | Semver.prototype.valid = function() { |
123 | 4 | return ( |
124 | | this._base !== false && |
125 | | this._comparator !== false |
126 | | ); |
127 | | }; |
128 | | |
129 | 1 | Semver.prototype.major = function() { |
130 | 10 | return this.generate('major'); |
131 | | }; |
132 | | |
133 | 1 | Semver.prototype.minor = function() { |
134 | 10 | return this.generate('minor'); |
135 | | }; |
136 | | |
137 | 1 | Semver.prototype.patch = function() { |
138 | 10 | return this.generate('patch'); |
139 | | }; |
140 | | |
141 | 1 | module.exports = Semver; |
142 | | |