540 lines
14 KiB
JavaScript
540 lines
14 KiB
JavaScript
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// hoisted class for cyclic dependency
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class Range {
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constructor (range, options) {
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options = parseOptions(options)
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if (range instanceof Range) {
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if (
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range.loose === !!options.loose &&
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range.includePrerelease === !!options.includePrerelease
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) {
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return range
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} else {
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return new Range(range.raw, options)
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}
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}
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if (range instanceof Comparator) {
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// just put it in the set and return
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this.raw = range.value
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this.set = [[range]]
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this.format()
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return this
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}
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this.options = options
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this.loose = !!options.loose
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this.includePrerelease = !!options.includePrerelease
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// First reduce all whitespace as much as possible so we do not have to rely
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// on potentially slow regexes like \s*. This is then stored and used for
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// future error messages as well.
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this.raw = range
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.trim()
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.split(/\s+/)
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.join(' ')
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// First, split on ||
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this.set = this.raw
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.split('||')
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// map the range to a 2d array of comparators
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.map(r => this.parseRange(r.trim()))
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// throw out any comparator lists that are empty
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// this generally means that it was not a valid range, which is allowed
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// in loose mode, but will still throw if the WHOLE range is invalid.
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.filter(c => c.length)
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if (!this.set.length) {
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throw new TypeError(`Invalid SemVer Range: ${this.raw}`)
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}
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// if we have any that are not the null set, throw out null sets.
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if (this.set.length > 1) {
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// keep the first one, in case they're all null sets
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const first = this.set[0]
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this.set = this.set.filter(c => !isNullSet(c[0]))
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if (this.set.length === 0) {
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this.set = [first]
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} else if (this.set.length > 1) {
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// if we have any that are *, then the range is just *
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for (const c of this.set) {
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if (c.length === 1 && isAny(c[0])) {
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this.set = [c]
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break
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}
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}
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}
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}
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this.format()
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}
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format () {
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this.range = this.set
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.map((comps) => comps.join(' ').trim())
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.join('||')
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.trim()
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return this.range
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}
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toString () {
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return this.range
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}
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parseRange (range) {
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// memoize range parsing for performance.
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// this is a very hot path, and fully deterministic.
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const memoOpts =
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(this.options.includePrerelease && FLAG_INCLUDE_PRERELEASE) |
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(this.options.loose && FLAG_LOOSE)
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const memoKey = memoOpts + ':' + range
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const cached = cache.get(memoKey)
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if (cached) {
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return cached
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}
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const loose = this.options.loose
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// `1.2.3 - 1.2.4` => `>=1.2.3 <=1.2.4`
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const hr = loose ? re[t.HYPHENRANGELOOSE] : re[t.HYPHENRANGE]
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range = range.replace(hr, hyphenReplace(this.options.includePrerelease))
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debug('hyphen replace', range)
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// `> 1.2.3 < 1.2.5` => `>1.2.3 <1.2.5`
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range = range.replace(re[t.COMPARATORTRIM], comparatorTrimReplace)
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debug('comparator trim', range)
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// `~ 1.2.3` => `~1.2.3`
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range = range.replace(re[t.TILDETRIM], tildeTrimReplace)
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debug('tilde trim', range)
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// `^ 1.2.3` => `^1.2.3`
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range = range.replace(re[t.CARETTRIM], caretTrimReplace)
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debug('caret trim', range)
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// At this point, the range is completely trimmed and
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// ready to be split into comparators.
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let rangeList = range
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.split(' ')
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.map(comp => parseComparator(comp, this.options))
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.join(' ')
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.split(/\s+/)
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// >=0.0.0 is equivalent to *
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.map(comp => replaceGTE0(comp, this.options))
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if (loose) {
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// in loose mode, throw out any that are not valid comparators
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rangeList = rangeList.filter(comp => {
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debug('loose invalid filter', comp, this.options)
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return !!comp.match(re[t.COMPARATORLOOSE])
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})
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}
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debug('range list', rangeList)
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// if any comparators are the null set, then replace with JUST null set
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// if more than one comparator, remove any * comparators
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// also, don't include the same comparator more than once
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const rangeMap = new Map()
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const comparators = rangeList.map(comp => new Comparator(comp, this.options))
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for (const comp of comparators) {
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if (isNullSet(comp)) {
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return [comp]
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}
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rangeMap.set(comp.value, comp)
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}
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if (rangeMap.size > 1 && rangeMap.has('')) {
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rangeMap.delete('')
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}
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const result = [...rangeMap.values()]
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cache.set(memoKey, result)
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return result
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}
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intersects (range, options) {
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if (!(range instanceof Range)) {
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throw new TypeError('a Range is required')
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}
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return this.set.some((thisComparators) => {
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return (
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isSatisfiable(thisComparators, options) &&
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range.set.some((rangeComparators) => {
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return (
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isSatisfiable(rangeComparators, options) &&
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thisComparators.every((thisComparator) => {
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return rangeComparators.every((rangeComparator) => {
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return thisComparator.intersects(rangeComparator, options)
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})
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})
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)
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})
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)
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})
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}
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// if ANY of the sets match ALL of its comparators, then pass
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test (version) {
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if (!version) {
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return false
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}
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if (typeof version === 'string') {
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try {
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version = new SemVer(version, this.options)
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} catch (er) {
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return false
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}
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}
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for (let i = 0; i < this.set.length; i++) {
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if (testSet(this.set[i], version, this.options)) {
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return true
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}
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}
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return false
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}
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}
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module.exports = Range
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const LRU = require('lru-cache')
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const cache = new LRU({ max: 1000 })
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const parseOptions = require('../internal/parse-options')
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const Comparator = require('./comparator')
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const debug = require('../internal/debug')
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const SemVer = require('./semver')
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const {
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safeRe: re,
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t,
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comparatorTrimReplace,
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tildeTrimReplace,
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caretTrimReplace,
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} = require('../internal/re')
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const { FLAG_INCLUDE_PRERELEASE, FLAG_LOOSE } = require('../internal/constants')
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const isNullSet = c => c.value === '<0.0.0-0'
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const isAny = c => c.value === ''
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// take a set of comparators and determine whether there
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// exists a version which can satisfy it
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const isSatisfiable = (comparators, options) => {
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let result = true
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const remainingComparators = comparators.slice()
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let testComparator = remainingComparators.pop()
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while (result && remainingComparators.length) {
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result = remainingComparators.every((otherComparator) => {
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return testComparator.intersects(otherComparator, options)
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})
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testComparator = remainingComparators.pop()
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}
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return result
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}
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// comprised of xranges, tildes, stars, and gtlt's at this point.
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// already replaced the hyphen ranges
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// turn into a set of JUST comparators.
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const parseComparator = (comp, options) => {
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debug('comp', comp, options)
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comp = replaceCarets(comp, options)
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debug('caret', comp)
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comp = replaceTildes(comp, options)
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debug('tildes', comp)
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comp = replaceXRanges(comp, options)
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debug('xrange', comp)
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comp = replaceStars(comp, options)
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debug('stars', comp)
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return comp
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}
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const isX = id => !id || id.toLowerCase() === 'x' || id === '*'
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// ~, ~> --> * (any, kinda silly)
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// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0 <3.0.0-0
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// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0 <2.1.0-0
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// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0 <1.3.0-0
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// ~1.2.3, ~>1.2.3 --> >=1.2.3 <1.3.0-0
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// ~1.2.0, ~>1.2.0 --> >=1.2.0 <1.3.0-0
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// ~0.0.1 --> >=0.0.1 <0.1.0-0
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const replaceTildes = (comp, options) => {
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return comp
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.trim()
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.split(/\s+/)
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.map((c) => replaceTilde(c, options))
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.join(' ')
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}
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const replaceTilde = (comp, options) => {
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const r = options.loose ? re[t.TILDELOOSE] : re[t.TILDE]
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return comp.replace(r, (_, M, m, p, pr) => {
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debug('tilde', comp, _, M, m, p, pr)
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let ret
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if (isX(M)) {
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ret = ''
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} else if (isX(m)) {
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ret = `>=${M}.0.0 <${+M + 1}.0.0-0`
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} else if (isX(p)) {
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// ~1.2 == >=1.2.0 <1.3.0-0
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ret = `>=${M}.${m}.0 <${M}.${+m + 1}.0-0`
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} else if (pr) {
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debug('replaceTilde pr', pr)
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ret = `>=${M}.${m}.${p}-${pr
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} <${M}.${+m + 1}.0-0`
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} else {
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// ~1.2.3 == >=1.2.3 <1.3.0-0
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ret = `>=${M}.${m}.${p
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} <${M}.${+m + 1}.0-0`
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}
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debug('tilde return', ret)
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return ret
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})
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}
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// ^ --> * (any, kinda silly)
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// ^2, ^2.x, ^2.x.x --> >=2.0.0 <3.0.0-0
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// ^2.0, ^2.0.x --> >=2.0.0 <3.0.0-0
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// ^1.2, ^1.2.x --> >=1.2.0 <2.0.0-0
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// ^1.2.3 --> >=1.2.3 <2.0.0-0
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// ^1.2.0 --> >=1.2.0 <2.0.0-0
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// ^0.0.1 --> >=0.0.1 <0.0.2-0
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// ^0.1.0 --> >=0.1.0 <0.2.0-0
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const replaceCarets = (comp, options) => {
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return comp
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.trim()
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.split(/\s+/)
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.map((c) => replaceCaret(c, options))
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.join(' ')
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}
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const replaceCaret = (comp, options) => {
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debug('caret', comp, options)
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const r = options.loose ? re[t.CARETLOOSE] : re[t.CARET]
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const z = options.includePrerelease ? '-0' : ''
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return comp.replace(r, (_, M, m, p, pr) => {
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debug('caret', comp, _, M, m, p, pr)
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let ret
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if (isX(M)) {
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ret = ''
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} else if (isX(m)) {
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ret = `>=${M}.0.0${z} <${+M + 1}.0.0-0`
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} else if (isX(p)) {
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if (M === '0') {
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ret = `>=${M}.${m}.0${z} <${M}.${+m + 1}.0-0`
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} else {
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ret = `>=${M}.${m}.0${z} <${+M + 1}.0.0-0`
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}
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} else if (pr) {
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debug('replaceCaret pr', pr)
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if (M === '0') {
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if (m === '0') {
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ret = `>=${M}.${m}.${p}-${pr
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} <${M}.${m}.${+p + 1}-0`
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} else {
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ret = `>=${M}.${m}.${p}-${pr
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} <${M}.${+m + 1}.0-0`
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}
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} else {
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ret = `>=${M}.${m}.${p}-${pr
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} <${+M + 1}.0.0-0`
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}
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} else {
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debug('no pr')
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if (M === '0') {
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if (m === '0') {
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ret = `>=${M}.${m}.${p
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}${z} <${M}.${m}.${+p + 1}-0`
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} else {
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ret = `>=${M}.${m}.${p
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}${z} <${M}.${+m + 1}.0-0`
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}
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} else {
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ret = `>=${M}.${m}.${p
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} <${+M + 1}.0.0-0`
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}
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}
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debug('caret return', ret)
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return ret
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})
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}
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const replaceXRanges = (comp, options) => {
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debug('replaceXRanges', comp, options)
|
||
|
|
return comp
|
||
|
|
.split(/\s+/)
|
||
|
|
.map((c) => replaceXRange(c, options))
|
||
|
|
.join(' ')
|
||
|
|
}
|
||
|
|
|
||
|
|
const replaceXRange = (comp, options) => {
|
||
|
|
comp = comp.trim()
|
||
|
|
const r = options.loose ? re[t.XRANGELOOSE] : re[t.XRANGE]
|
||
|
|
return comp.replace(r, (ret, gtlt, M, m, p, pr) => {
|
||
|
|
debug('xRange', comp, ret, gtlt, M, m, p, pr)
|
||
|
|
const xM = isX(M)
|
||
|
|
const xm = xM || isX(m)
|
||
|
|
const xp = xm || isX(p)
|
||
|
|
const anyX = xp
|
||
|
|
|
||
|
|
if (gtlt === '=' && anyX) {
|
||
|
|
gtlt = ''
|
||
|
|
}
|
||
|
|
|
||
|
|
// if we're including prereleases in the match, then we need
|
||
|
|
// to fix this to -0, the lowest possible prerelease value
|
||
|
|
pr = options.includePrerelease ? '-0' : ''
|
||
|
|
|
||
|
|
if (xM) {
|
||
|
|
if (gtlt === '>' || gtlt === '<') {
|
||
|
|
// nothing is allowed
|
||
|
|
ret = '<0.0.0-0'
|
||
|
|
} else {
|
||
|
|
// nothing is forbidden
|
||
|
|
ret = '*'
|
||
|
|
}
|
||
|
|
} else if (gtlt && anyX) {
|
||
|
|
// we know patch is an x, because we have any x at all.
|
||
|
|
// replace X with 0
|
||
|
|
if (xm) {
|
||
|
|
m = 0
|
||
|
|
}
|
||
|
|
p = 0
|
||
|
|
|
||
|
|
if (gtlt === '>') {
|
||
|
|
// >1 => >=2.0.0
|
||
|
|
// >1.2 => >=1.3.0
|
||
|
|
gtlt = '>='
|
||
|
|
if (xm) {
|
||
|
|
M = +M + 1
|
||
|
|
m = 0
|
||
|
|
p = 0
|
||
|
|
} else {
|
||
|
|
m = +m + 1
|
||
|
|
p = 0
|
||
|
|
}
|
||
|
|
} else if (gtlt === '<=') {
|
||
|
|
// <=0.7.x is actually <0.8.0, since any 0.7.x should
|
||
|
|
// pass. Similarly, <=7.x is actually <8.0.0, etc.
|
||
|
|
gtlt = '<'
|
||
|
|
if (xm) {
|
||
|
|
M = +M + 1
|
||
|
|
} else {
|
||
|
|
m = +m + 1
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (gtlt === '<') {
|
||
|
|
pr = '-0'
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = `${gtlt + M}.${m}.${p}${pr}`
|
||
|
|
} else if (xm) {
|
||
|
|
ret = `>=${M}.0.0${pr} <${+M + 1}.0.0-0`
|
||
|
|
} else if (xp) {
|
||
|
|
ret = `>=${M}.${m}.0${pr
|
||
|
|
} <${M}.${+m + 1}.0-0`
|
||
|
|
}
|
||
|
|
|
||
|
|
debug('xRange return', ret)
|
||
|
|
|
||
|
|
return ret
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
// Because * is AND-ed with everything else in the comparator,
|
||
|
|
// and '' means "any version", just remove the *s entirely.
|
||
|
|
const replaceStars = (comp, options) => {
|
||
|
|
debug('replaceStars', comp, options)
|
||
|
|
// Looseness is ignored here. star is always as loose as it gets!
|
||
|
|
return comp
|
||
|
|
.trim()
|
||
|
|
.replace(re[t.STAR], '')
|
||
|
|
}
|
||
|
|
|
||
|
|
const replaceGTE0 = (comp, options) => {
|
||
|
|
debug('replaceGTE0', comp, options)
|
||
|
|
return comp
|
||
|
|
.trim()
|
||
|
|
.replace(re[options.includePrerelease ? t.GTE0PRE : t.GTE0], '')
|
||
|
|
}
|
||
|
|
|
||
|
|
// This function is passed to string.replace(re[t.HYPHENRANGE])
|
||
|
|
// M, m, patch, prerelease, build
|
||
|
|
// 1.2 - 3.4.5 => >=1.2.0 <=3.4.5
|
||
|
|
// 1.2.3 - 3.4 => >=1.2.0 <3.5.0-0 Any 3.4.x will do
|
||
|
|
// 1.2 - 3.4 => >=1.2.0 <3.5.0-0
|
||
|
|
const hyphenReplace = incPr => ($0,
|
||
|
|
from, fM, fm, fp, fpr, fb,
|
||
|
|
to, tM, tm, tp, tpr, tb) => {
|
||
|
|
if (isX(fM)) {
|
||
|
|
from = ''
|
||
|
|
} else if (isX(fm)) {
|
||
|
|
from = `>=${fM}.0.0${incPr ? '-0' : ''}`
|
||
|
|
} else if (isX(fp)) {
|
||
|
|
from = `>=${fM}.${fm}.0${incPr ? '-0' : ''}`
|
||
|
|
} else if (fpr) {
|
||
|
|
from = `>=${from}`
|
||
|
|
} else {
|
||
|
|
from = `>=${from}${incPr ? '-0' : ''}`
|
||
|
|
}
|
||
|
|
|
||
|
|
if (isX(tM)) {
|
||
|
|
to = ''
|
||
|
|
} else if (isX(tm)) {
|
||
|
|
to = `<${+tM + 1}.0.0-0`
|
||
|
|
} else if (isX(tp)) {
|
||
|
|
to = `<${tM}.${+tm + 1}.0-0`
|
||
|
|
} else if (tpr) {
|
||
|
|
to = `<=${tM}.${tm}.${tp}-${tpr}`
|
||
|
|
} else if (incPr) {
|
||
|
|
to = `<${tM}.${tm}.${+tp + 1}-0`
|
||
|
|
} else {
|
||
|
|
to = `<=${to}`
|
||
|
|
}
|
||
|
|
|
||
|
|
return `${from} ${to}`.trim()
|
||
|
|
}
|
||
|
|
|
||
|
|
const testSet = (set, version, options) => {
|
||
|
|
for (let i = 0; i < set.length; i++) {
|
||
|
|
if (!set[i].test(version)) {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (version.prerelease.length && !options.includePrerelease) {
|
||
|
|
// Find the set of versions that are allowed to have prereleases
|
||
|
|
// For example, ^1.2.3-pr.1 desugars to >=1.2.3-pr.1 <2.0.0
|
||
|
|
// That should allow `1.2.3-pr.2` to pass.
|
||
|
|
// However, `1.2.4-alpha.notready` should NOT be allowed,
|
||
|
|
// even though it's within the range set by the comparators.
|
||
|
|
for (let i = 0; i < set.length; i++) {
|
||
|
|
debug(set[i].semver)
|
||
|
|
if (set[i].semver === Comparator.ANY) {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if (set[i].semver.prerelease.length > 0) {
|
||
|
|
const allowed = set[i].semver
|
||
|
|
if (allowed.major === version.major &&
|
||
|
|
allowed.minor === version.minor &&
|
||
|
|
allowed.patch === version.patch) {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Version has a -pre, but it's not one of the ones we like.
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
return true
|
||
|
|
}
|