This commit is contained in:
2025-06-26 03:35:15 +00:00
parent 56fa52fd80
commit 59f287112f
2193 changed files with 289518 additions and 3540 deletions

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'use strict'
const ANY = Symbol('SemVer ANY')
// hoisted class for cyclic dependency
class Comparator {
static get ANY () {
return ANY
}
constructor (comp, options) {
options = parseOptions(options)
if (comp instanceof Comparator) {
if (comp.loose === !!options.loose) {
return comp
} else {
comp = comp.value
}
}
comp = comp.trim().split(/\s+/).join(' ')
debug('comparator', comp, options)
this.options = options
this.loose = !!options.loose
this.parse(comp)
if (this.semver === ANY) {
this.value = ''
} else {
this.value = this.operator + this.semver.version
}
debug('comp', this)
}
parse (comp) {
const r = this.options.loose ? re[t.COMPARATORLOOSE] : re[t.COMPARATOR]
const m = comp.match(r)
if (!m) {
throw new TypeError(`Invalid comparator: ${comp}`)
}
this.operator = m[1] !== undefined ? m[1] : ''
if (this.operator === '=') {
this.operator = ''
}
// if it literally is just '>' or '' then allow anything.
if (!m[2]) {
this.semver = ANY
} else {
this.semver = new SemVer(m[2], this.options.loose)
}
}
toString () {
return this.value
}
test (version) {
debug('Comparator.test', version, this.options.loose)
if (this.semver === ANY || version === ANY) {
return true
}
if (typeof version === 'string') {
try {
version = new SemVer(version, this.options)
} catch (er) {
return false
}
}
return cmp(version, this.operator, this.semver, this.options)
}
intersects (comp, options) {
if (!(comp instanceof Comparator)) {
throw new TypeError('a Comparator is required')
}
if (this.operator === '') {
if (this.value === '') {
return true
}
return new Range(comp.value, options).test(this.value)
} else if (comp.operator === '') {
if (comp.value === '') {
return true
}
return new Range(this.value, options).test(comp.semver)
}
options = parseOptions(options)
// Special cases where nothing can possibly be lower
if (options.includePrerelease &&
(this.value === '<0.0.0-0' || comp.value === '<0.0.0-0')) {
return false
}
if (!options.includePrerelease &&
(this.value.startsWith('<0.0.0') || comp.value.startsWith('<0.0.0'))) {
return false
}
// Same direction increasing (> or >=)
if (this.operator.startsWith('>') && comp.operator.startsWith('>')) {
return true
}
// Same direction decreasing (< or <=)
if (this.operator.startsWith('<') && comp.operator.startsWith('<')) {
return true
}
// same SemVer and both sides are inclusive (<= or >=)
if (
(this.semver.version === comp.semver.version) &&
this.operator.includes('=') && comp.operator.includes('=')) {
return true
}
// opposite directions less than
if (cmp(this.semver, '<', comp.semver, options) &&
this.operator.startsWith('>') && comp.operator.startsWith('<')) {
return true
}
// opposite directions greater than
if (cmp(this.semver, '>', comp.semver, options) &&
this.operator.startsWith('<') && comp.operator.startsWith('>')) {
return true
}
return false
}
}
module.exports = Comparator
const parseOptions = require('../internal/parse-options')
const { safeRe: re, t } = require('../internal/re')
const cmp = require('../functions/cmp')
const debug = require('../internal/debug')
const SemVer = require('./semver')
const Range = require('./range')

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{
"name": "range-parser",
"author": "TJ Holowaychuk <tj@vision-media.ca> (http://tjholowaychuk.com)",
"description": "Range header field string parser",
"version": "1.2.1",
"contributors": [
"Douglas Christopher Wilson <doug@somethingdoug.com>",
"James Wyatt Cready <wyatt.cready@lanetix.com>",
"Jonathan Ong <me@jongleberry.com> (http://jongleberry.com)"
],
"license": "MIT",
"keywords": [
"range",
"parser",
"http"
],
"repository": "jshttp/range-parser",
"devDependencies": {
"deep-equal": "1.0.1",
"eslint": "5.16.0",
"eslint-config-standard": "12.0.0",
"eslint-plugin-markdown": "1.0.0",
"eslint-plugin-import": "2.17.2",
"eslint-plugin-node": "8.0.1",
"eslint-plugin-promise": "4.1.1",
"eslint-plugin-standard": "4.0.0",
"mocha": "6.1.4",
"nyc": "14.1.1"
},
"files": [
"HISTORY.md",
"LICENSE",
"index.js"
],
"engines": {
"node": ">= 0.6"
},
"scripts": {
"lint": "eslint --plugin markdown --ext js,md .",
"test": "mocha --reporter spec",
"test-cov": "nyc --reporter=html --reporter=text npm test",
"test-travis": "nyc --reporter=text npm test"
}
}

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/*!
* range-parser
* Copyright(c) 2012-2014 TJ Holowaychuk
* Copyright(c) 2015-2016 Douglas Christopher Wilson
* MIT Licensed
*/
'use strict'
/**
* Module exports.
* @public
*/
module.exports = rangeParser
/**
* Parse "Range" header `str` relative to the given file `size`.
*
* @param {Number} size
* @param {String} str
* @param {Object} [options]
* @return {Array}
* @public
*/
function rangeParser (size, str, options) {
if (typeof str !== 'string') {
throw new TypeError('argument str must be a string')
}
var index = str.indexOf('=')
if (index === -1) {
return -2
}
// split the range string
var arr = str.slice(index + 1).split(',')
var ranges = []
// add ranges type
ranges.type = str.slice(0, index)
// parse all ranges
for (var i = 0; i < arr.length; i++) {
var range = arr[i].split('-')
var start = parseInt(range[0], 10)
var end = parseInt(range[1], 10)
// -nnn
if (isNaN(start)) {
start = size - end
end = size - 1
// nnn-
} else if (isNaN(end)) {
end = size - 1
}
// limit last-byte-pos to current length
if (end > size - 1) {
end = size - 1
}
// invalid or unsatisifiable
if (isNaN(start) || isNaN(end) || start > end || start < 0) {
continue
}
// add range
ranges.push({
start: start,
end: end
})
}
if (ranges.length < 1) {
// unsatisifiable
return -1
}
return options && options.combine
? combineRanges(ranges)
: ranges
}
/**
* Combine overlapping & adjacent ranges.
* @private
*/
function combineRanges (ranges) {
var ordered = ranges.map(mapWithIndex).sort(sortByRangeStart)
for (var j = 0, i = 1; i < ordered.length; i++) {
var range = ordered[i]
var current = ordered[j]
if (range.start > current.end + 1) {
// next range
ordered[++j] = range
} else if (range.end > current.end) {
// extend range
current.end = range.end
current.index = Math.min(current.index, range.index)
}
}
// trim ordered array
ordered.length = j + 1
// generate combined range
var combined = ordered.sort(sortByRangeIndex).map(mapWithoutIndex)
// copy ranges type
combined.type = ranges.type
return combined
}
/**
* Map function to add index value to ranges.
* @private
*/
function mapWithIndex (range, index) {
return {
start: range.start,
end: range.end,
index: index
}
}
/**
* Map function to remove index value from ranges.
* @private
*/
function mapWithoutIndex (range) {
return {
start: range.start,
end: range.end
}
}
/**
* Sort function to sort ranges by index.
* @private
*/
function sortByRangeIndex (a, b) {
return a.index - b.index
}
/**
* Sort function to sort ranges by start position.
* @private
*/
function sortByRangeStart (a, b) {
return a.start - b.start
}