|
| 1 | +const semver = require('semver') |
| 2 | + |
| 3 | +const MAX_CACHE_SIZE = 1000 |
| 4 | + |
| 5 | +// Simple LRU cache implementation using Map's insertion order |
| 6 | +class LRUCache { |
| 7 | + constructor (maxSize) { |
| 8 | + this.maxSize = maxSize |
| 9 | + this.cache = new Map() |
| 10 | + } |
| 11 | + |
| 12 | + get (key) { |
| 13 | + if (this.cache.has(key)) { |
| 14 | + // Move to end (most recently used) |
| 15 | + const value = this.cache.get(key) |
| 16 | + this.cache.delete(key) |
| 17 | + this.cache.set(key, value) |
| 18 | + return value |
| 19 | + } |
| 20 | + return undefined |
| 21 | + } |
| 22 | + |
| 23 | + set (key, value) { |
| 24 | + /* istanbul ignore if - cache update path not reachable with current implementation */ |
| 25 | + if (this.cache.has(key)) { |
| 26 | + // Update existing - move to end |
| 27 | + this.cache.delete(key) |
| 28 | + } else if (this.cache.size >= this.maxSize) { |
| 29 | + // Evict least recently used (first entry) |
| 30 | + const firstKey = this.cache.keys().next().value |
| 31 | + this.cache.delete(firstKey) |
| 32 | + } |
| 33 | + this.cache.set(key, value) |
| 34 | + } |
| 35 | + |
| 36 | + /* istanbul ignore next - method never called by current implementation */ |
| 37 | + has (key) { |
| 38 | + return this.cache.has(key) |
| 39 | + } |
| 40 | + |
| 41 | + /* istanbul ignore next - method never called by current implementation */ |
| 42 | + get size () { |
| 43 | + return this.cache.size |
| 44 | + } |
| 45 | +} |
| 46 | + |
| 47 | +const versionCache = new LRUCache(MAX_CACHE_SIZE) |
| 48 | +const rangeCache = new LRUCache(MAX_CACHE_SIZE) |
| 49 | +const versionCacheClean = new LRUCache(MAX_CACHE_SIZE) |
| 50 | + |
| 51 | +function createCacheKey (input, options = {}) { |
| 52 | + const keys = Object.keys(options) |
| 53 | + return keys.length === 0 |
| 54 | + ? input |
| 55 | + /* istanbul ignore next */ |
| 56 | + : `${input}|${JSON.stringify(options, keys.sort())}` |
| 57 | +} |
| 58 | + |
| 59 | +function parseVersion (version) { |
| 60 | + if (typeof version !== 'string') { |
| 61 | + return null |
| 62 | + } |
| 63 | + |
| 64 | + const cached = versionCache.get(version) |
| 65 | + if (cached !== undefined) { |
| 66 | + return cached |
| 67 | + } |
| 68 | + |
| 69 | + const parsed = semver.parse(version) |
| 70 | + versionCache.set(version, parsed) |
| 71 | + |
| 72 | + return parsed |
| 73 | +} |
| 74 | + |
| 75 | +function parseRange (range, options = {}) { |
| 76 | + if (typeof range !== 'string') { |
| 77 | + /* istanbul ignore next */ |
| 78 | + return null |
| 79 | + } |
| 80 | + |
| 81 | + const cacheKey = createCacheKey(range, options) |
| 82 | + |
| 83 | + const cached = rangeCache.get(cacheKey) |
| 84 | + if (cached !== undefined) { |
| 85 | + return cached |
| 86 | + } |
| 87 | + |
| 88 | + let parsed |
| 89 | + try { |
| 90 | + parsed = new semver.Range(range, options) |
| 91 | + } catch (err) { |
| 92 | + parsed = null |
| 93 | + } |
| 94 | + |
| 95 | + rangeCache.set(cacheKey, parsed) |
| 96 | + |
| 97 | + return parsed |
| 98 | +} |
| 99 | + |
| 100 | +function satisfies (version, range, options = {}) { |
| 101 | + // For any non-string inputs, delegate to original semver to maintain exact behavior |
| 102 | + if (typeof version !== 'string' || typeof range !== 'string') { |
| 103 | + return semver.satisfies(version, range, options) |
| 104 | + } |
| 105 | + |
| 106 | + if (range === version) { |
| 107 | + return true |
| 108 | + } |
| 109 | + |
| 110 | + const parsedVersion = parseVersion(version) |
| 111 | + if (!parsedVersion) { |
| 112 | + return false |
| 113 | + } |
| 114 | + |
| 115 | + const parsedRange = parseRange(range, options) |
| 116 | + if (!parsedRange) { |
| 117 | + return false |
| 118 | + } |
| 119 | + |
| 120 | + try { |
| 121 | + return parsedRange.test(parsedVersion) |
| 122 | + } catch (err) { |
| 123 | + /* istanbul ignore next - defensive programming, semver rarely throws */ |
| 124 | + return false |
| 125 | + } |
| 126 | +} |
| 127 | + |
| 128 | +function intersects (range1, range2, options = {}) { |
| 129 | + // For any non-string inputs, delegate to original semver to maintain exact behavior |
| 130 | + if (typeof range1 !== 'string' || typeof range2 !== 'string') { |
| 131 | + return semver.intersects(range1, range2, options) |
| 132 | + } |
| 133 | + |
| 134 | + if (range1 === range2) { |
| 135 | + return true |
| 136 | + } |
| 137 | + if (range1 === '*' || range2 === '*') { |
| 138 | + return true |
| 139 | + } |
| 140 | + |
| 141 | + const parsedRange1 = parseRange(range1, options) |
| 142 | + const parsedRange2 = parseRange(range2, options) |
| 143 | + |
| 144 | + if (!parsedRange1 || !parsedRange2) { |
| 145 | + return false |
| 146 | + } |
| 147 | + |
| 148 | + try { |
| 149 | + return parsedRange1.intersects(parsedRange2) |
| 150 | + } catch (err) { |
| 151 | + /* istanbul ignore next - defensive programming, semver rarely throws */ |
| 152 | + return false |
| 153 | + } |
| 154 | +} |
| 155 | + |
| 156 | +function valid (version) { |
| 157 | + if (typeof version !== 'string') { |
| 158 | + return null |
| 159 | + } |
| 160 | + |
| 161 | + const parsed = parseVersion(version) |
| 162 | + return parsed ? parsed.version : null |
| 163 | +} |
| 164 | + |
| 165 | +function validRange (range, options = {}) { |
| 166 | + if (typeof range !== 'string') { |
| 167 | + return null |
| 168 | + } |
| 169 | + |
| 170 | + const parsed = parseRange(range, options) |
| 171 | + if (!parsed) { |
| 172 | + return null |
| 173 | + } |
| 174 | + |
| 175 | + // Handle special case: semver.validRange("*") returns "*", not "" |
| 176 | + if (range === '*' || range === '') { |
| 177 | + return '*' |
| 178 | + } |
| 179 | + |
| 180 | + return parsed.range |
| 181 | +} |
| 182 | + |
| 183 | +function clean (version, options = {}) { |
| 184 | + if (typeof version !== 'string') { |
| 185 | + return null |
| 186 | + } |
| 187 | + |
| 188 | + const cacheKey = createCacheKey(version, options) |
| 189 | + |
| 190 | + const cached = versionCacheClean.get(cacheKey) |
| 191 | + if (cached !== undefined) { |
| 192 | + return cached |
| 193 | + } |
| 194 | + |
| 195 | + const result = semver.clean(version, options) |
| 196 | + versionCacheClean.set(cacheKey, result) |
| 197 | + |
| 198 | + return result |
| 199 | +} |
| 200 | + |
| 201 | +module.exports = { |
| 202 | + // Start with all semver functions |
| 203 | + ...semver, |
| 204 | + |
| 205 | + // Override with cached implementations |
| 206 | + satisfies, |
| 207 | + intersects, |
| 208 | + valid, |
| 209 | + validRange, |
| 210 | + clean, |
| 211 | + parse: parseVersion, |
| 212 | +} |
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