semver@7.3.4

9 files changed, 95 insertions, 35 deletions

diff --git a/node_modules/semver/classes/comparator.js b/node_modules/semver/classes/comparator.js
index 3595792d0..dbbef2d8f 100644
--- a/node_modules/semver/classes/comparator.js
+++ b/node_modules/semver/classes/comparator.js
@@ -5,12 +5,7 @@ class Comparator {
     return ANY
   }
   constructor (comp, options) {
-    if (!options || typeof options !== 'object') {
-      options = {
-        loose: !!options,
-        includePrerelease: false
-      }
-    }
+    options = parseOptions(options)
 
     if (comp instanceof Comparator) {
       if (comp.loose === !!options.loose) {
@@ -132,6 +127,7 @@ class Comparator {
 
 module.exports = Comparator
 
+const parseOptions = require('../internal/parse-options')
 const {re, t} = require('../internal/re')
 const cmp = require('../functions/cmp')
 const debug = require('../internal/debug')
diff --git a/node_modules/semver/classes/range.js b/node_modules/semver/classes/range.js
index 83f896771..aa04f6bff 100644
--- a/node_modules/semver/classes/range.js
+++ b/node_modules/semver/classes/range.js
@@ -1,12 +1,7 @@
 // hoisted class for cyclic dependency
 class Range {
   constructor (range, options) {
-    if (!options || typeof options !== 'object') {
-      options = {
-        loose: !!options,
-        includePrerelease: false
-      }
-    }
+    options = parseOptions(options)
 
     if (range instanceof Range) {
       if (
@@ -46,6 +41,24 @@ class Range {
       throw new TypeError(`Invalid SemVer Range: ${range}`)
     }
 
+    // if we have any that are not the null set, throw out null sets.
+    if (this.set.length > 1) {
+      // keep the first one, in case they're all null sets
+      const first = this.set[0]
+      this.set = this.set.filter(c => !isNullSet(c[0]))
+      if (this.set.length === 0)
+        this.set = [first]
+      else if (this.set.length > 1) {
+        // if we have any that are *, then the range is just *
+        for (const c of this.set) {
+          if (c.length === 1 && isAny(c[0])) {
+            this.set = [c]
+            break
+          }
+        }
+      }
+    }
+
     this.format()
   }
 
@@ -64,8 +77,17 @@ class Range {
   }
 
   parseRange (range) {
-    const loose = this.options.loose
     range = range.trim()
+
+    // memoize range parsing for performance.
+    // this is a very hot path, and fully deterministic.
+    const memoOpts = Object.keys(this.options).join(',')
+    const memoKey = `parseRange:${memoOpts}:${range}`
+    const cached = cache.get(memoKey)
+    if (cached)
+      return cached
+
+    const loose = this.options.loose
     // `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
     const hr = loose ? re[t.HYPHENRANGELOOSE] : re[t.HYPHENRANGE]
     range = range.replace(hr, hyphenReplace(this.options.includePrerelease))
@@ -87,15 +109,33 @@ class Range {
     // ready to be split into comparators.
 
     const compRe = loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR]
-    return range
+    const rangeList = range
       .split(' ')
       .map(comp => parseComparator(comp, this.options))
       .join(' ')
       .split(/\s+/)
+      // >=0.0.0 is equivalent to *
       .map(comp => replaceGTE0(comp, this.options))
       // in loose mode, throw out any that are not valid comparators
       .filter(this.options.loose ? comp => !!comp.match(compRe) : () => true)
       .map(comp => new Comparator(comp, this.options))
+
+    // if any comparators are the null set, then replace with JUST null set
+    // if more than one comparator, remove any * comparators
+    // also, don't include the same comparator more than once
+    const l = rangeList.length
+    const rangeMap = new Map()
+    for (const comp of rangeList) {
+      if (isNullSet(comp))
+        return [comp]
+      rangeMap.set(comp.value, comp)
+    }
+    if (rangeMap.size > 1 && rangeMap.has(''))
+      rangeMap.delete('')
+
+    const result = [...rangeMap.values()]
+    cache.set(memoKey, result)
+    return result
   }
 
   intersects (range, options) {
@@ -144,6 +184,10 @@ class Range {
 }
 module.exports = Range
 
+const LRU = require('lru-cache')
+const cache = new LRU({ max: 1000 })
+
+const parseOptions = require('../internal/parse-options')
 const Comparator = require('./comparator')
 const debug = require('../internal/debug')
 const SemVer = require('./semver')
@@ -155,6 +199,9 @@ const {
   caretTrimReplace
 } = require('../internal/re')
 
+const isNullSet = c => c.value === '<0.0.0-0'
+const isAny = c => c.value === ''
+
 // take a set of comparators and determine whether there
 // exists a version which can satisfy it
 const isSatisfiable = (comparators, options) => {
diff --git a/node_modules/semver/classes/semver.js b/node_modules/semver/classes/semver.js
index 73247ad2b..ed81a7ec6 100644
--- a/node_modules/semver/classes/semver.js
+++ b/node_modules/semver/classes/semver.js
@@ -2,15 +2,12 @@ const debug = require('../internal/debug')
 const { MAX_LENGTH, MAX_SAFE_INTEGER } = require('../internal/constants')
 const { re, t } = require('../internal/re')
 
+const parseOptions = require('../internal/parse-options')
 const { compareIdentifiers } = require('../internal/identifiers')
 class SemVer {
   constructor (version, options) {
-    if (!options || typeof options !== 'object') {
-      options = {
-        loose: !!options,
-        includePrerelease: false
-      }
-    }
+    options = parseOptions(options)
+
     if (version instanceof SemVer) {
       if (version.loose === !!options.loose &&
           version.includePrerelease === !!options.includePrerelease) {
diff --git a/node_modules/semver/functions/parse.js b/node_modules/semver/functions/parse.js
index 457fee04a..11f20f037 100644
--- a/node_modules/semver/functions/parse.js
+++ b/node_modules/semver/functions/parse.js
@@ -2,13 +2,9 @@ const {MAX_LENGTH} = require('../internal/constants')
 const { re, t } = require('../internal/re')
 const SemVer = require('../classes/semver')
 
+const parseOptions = require('../internal/parse-options')
 const parse = (version, options) => {
-  if (!options || typeof options !== 'object') {
-    options = {
-      loose: !!options,
-      includePrerelease: false
-    }
-  }
+  options = parseOptions(options)
 
   if (version instanceof SemVer) {
     return version
diff --git a/node_modules/semver/internal/parse-options.js b/node_modules/semver/internal/parse-options.js
new file mode 100644
index 000000000..42d2ebd6f
--- /dev/null
+++ b/node_modules/semver/internal/parse-options.js
@@ -0,0 +1,11 @@
+// parse out just the options we care about so we always get a consistent
+// obj with keys in a consistent order.
+const opts = ['includePrerelease', 'loose', 'rtl']
+const parseOptions = options =>
+  !options ? {}
+  : typeof options !== 'object' ? { loose: true }
+  : opts.filter(k => options[k]).reduce((options, k) => {
+    options[k] = true
+    return options
+  }, {})
+module.exports = parseOptions
diff --git a/node_modules/semver/package.json b/node_modules/semver/package.json
index 07867975d..d4043d38a 100644
--- a/node_modules/semver/package.json
+++ b/node_modules/semver/package.json
@@ -1,6 +1,6 @@
 {
   "name": "semver",
-  "version": "7.3.2",
+  "version": "7.3.4",
   "description": "The semantic version parser used by npm.",
   "main": "index.js",
   "scripts": {
@@ -16,7 +16,7 @@
   "license": "ISC",
   "repository": "https://github.com/npm/node-semver",
   "bin": {
-    "semver": "./bin/semver.js"
+    "semver": "bin/semver.js"
   },
   "files": [
     "bin/**/*.js",
@@ -34,5 +34,8 @@
   },
   "engines": {
     "node": ">=10"
+  },
+  "dependencies": {
+    "lru-cache": "^6.0.0"
   }
 }
diff --git a/node_modules/semver/ranges/min-version.js b/node_modules/semver/ranges/min-version.js
index 7118d237b..2fac41291 100644
--- a/node_modules/semver/ranges/min-version.js
+++ b/node_modules/semver/ranges/min-version.js
@@ -19,6 +19,7 @@ const minVersion = (range, loose) => {
   for (let i = 0; i < range.set.length; ++i) {
     const comparators = range.set[i]
 
+    let setMin = null
     comparators.forEach((comparator) => {
       // Clone to avoid manipulating the comparator's semver object.
       const compver = new SemVer(comparator.semver.version)
@@ -33,8 +34,8 @@ const minVersion = (range, loose) => {
           /* fallthrough */
         case '':
         case '>=':
-          if (!minver || gt(minver, compver)) {
-            minver = compver
+          if (!setMin || gt(compver, setMin)) {
+            setMin = compver
           }
           break
         case '<':
@@ -46,6 +47,8 @@ const minVersion = (range, loose) => {
           throw new Error(`Unexpected operation: ${comparator.operator}`)
       }
     })
+    if (setMin && (!minver || gt(minver, setMin)))
+      minver = setMin
   }
 
   if (minver && range.test(minver)) {
diff --git a/node_modules/semver/ranges/outside.js b/node_modules/semver/ranges/outside.js
index e35ed1176..2a4b0a13f 100644
--- a/node_modules/semver/ranges/outside.js
+++ b/node_modules/semver/ranges/outside.js
@@ -32,7 +32,7 @@ const outside = (version, range, hilo, options) => {
       throw new TypeError('Must provide a hilo val of "<" or ">"')
   }
 
-  // If it satisifes the range it is not outside
+  // If it satisfies the range it is not outside
   if (satisfies(version, range, options)) {
     return false
   }
diff --git a/node_modules/semver/ranges/subset.js b/node_modules/semver/ranges/subset.js
index 6ae29a3c9..bb7d15fe2 100644
--- a/node_modules/semver/ranges/subset.js
+++ b/node_modules/semver/ranges/subset.js
@@ -21,15 +21,18 @@ const compare = require('../functions/compare.js')
 //   - If EQ satisfies every C, return true
 //   - Else return false
 // - If GT
-//   - If GT is lower than any > or >= comp in C, return false
+//   - If GT.semver is lower than any > or >= comp in C, return false
 //   - If GT is >=, and GT.semver does not satisfy every C, return false
 // - If LT
-//   - If LT.semver is greater than that of any > comp in C, return false
+//   - If LT.semver is greater than any < or <= comp in C, return false
 //   - If LT is <=, and LT.semver does not satisfy every C, return false
 // - If any C is a = range, and GT or LT are set, return false
 // - Else return true
 
 const subset = (sub, dom, options) => {
+  if (sub === dom)
+    return true
+
   sub = new Range(sub, options)
   dom = new Range(dom, options)
   let sawNonNull = false
@@ -52,6 +55,9 @@ const subset = (sub, dom, options) => {
 }
 
 const simpleSubset = (sub, dom, options) => {
+  if (sub === dom)
+    return true
+
   if (sub.length === 1 && sub[0].semver === ANY)
     return dom.length === 1 && dom[0].semver === ANY
 
@@ -90,6 +96,7 @@ const simpleSubset = (sub, dom, options) => {
       if (!satisfies(eq, String(c), options))
         return false
     }
+
     return true
   }
 
@@ -101,7 +108,7 @@ const simpleSubset = (sub, dom, options) => {
     if (gt) {
       if (c.operator === '>' || c.operator === '>=') {
         higher = higherGT(gt, c, options)
-        if (higher === c)
+        if (higher === c && higher !== gt)
           return false
       } else if (gt.operator === '>=' && !satisfies(gt.semver, String(c), options))
         return false
@@ -109,7 +116,7 @@ const simpleSubset = (sub, dom, options) => {
     if (lt) {
       if (c.operator === '<' || c.operator === '<=') {
         lower = lowerLT(lt, c, options)
-        if (lower === c)
+        if (lower === c && lower !== lt)
           return false
       } else if (lt.operator === '<=' && !satisfies(lt.semver, String(c), options))
         return false