996 lines
29 KiB
JavaScript
996 lines
29 KiB
JavaScript
const minimatch = module.exports = (p, pattern, options = {}) => {
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assertValidPattern(pattern)
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// shortcut: comments match nothing.
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if (!options.nocomment && pattern.charAt(0) === '#') {
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return false
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}
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return new Minimatch(pattern, options).match(p)
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}
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module.exports = minimatch
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const path = require('./lib/path.js')
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minimatch.sep = path.sep
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const GLOBSTAR = Symbol('globstar **')
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minimatch.GLOBSTAR = GLOBSTAR
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const expand = require('brace-expansion')
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const plTypes = {
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'!': { open: '(?:(?!(?:', close: '))[^/]*?)'},
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'?': { open: '(?:', close: ')?' },
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'+': { open: '(?:', close: ')+' },
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'*': { open: '(?:', close: ')*' },
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'@': { open: '(?:', close: ')' }
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}
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// any single thing other than /
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// don't need to escape / when using new RegExp()
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const qmark = '[^/]'
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// * => any number of characters
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const star = qmark + '*?'
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// ** when dots are allowed. Anything goes, except .. and .
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// not (^ or / followed by one or two dots followed by $ or /),
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// followed by anything, any number of times.
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const twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'
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// not a ^ or / followed by a dot,
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// followed by anything, any number of times.
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const twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'
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// "abc" -> { a:true, b:true, c:true }
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const charSet = s => s.split('').reduce((set, c) => {
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set[c] = true
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return set
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}, {})
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// characters that need to be escaped in RegExp.
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const reSpecials = charSet('().*{}+?[]^$\\!')
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// characters that indicate we have to add the pattern start
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const addPatternStartSet = charSet('[.(')
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// normalizes slashes.
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const slashSplit = /\/+/
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minimatch.filter = (pattern, options = {}) =>
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(p, i, list) => minimatch(p, pattern, options)
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const ext = (a, b = {}) => {
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const t = {}
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Object.keys(a).forEach(k => t[k] = a[k])
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Object.keys(b).forEach(k => t[k] = b[k])
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return t
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}
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minimatch.defaults = def => {
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if (!def || typeof def !== 'object' || !Object.keys(def).length) {
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return minimatch
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}
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const orig = minimatch
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const m = (p, pattern, options) => orig(p, pattern, ext(def, options))
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m.Minimatch = class Minimatch extends orig.Minimatch {
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constructor (pattern, options) {
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super(pattern, ext(def, options))
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}
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}
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m.Minimatch.defaults = options => orig.defaults(ext(def, options)).Minimatch
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m.filter = (pattern, options) => orig.filter(pattern, ext(def, options))
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m.defaults = options => orig.defaults(ext(def, options))
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m.makeRe = (pattern, options) => orig.makeRe(pattern, ext(def, options))
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m.braceExpand = (pattern, options) => orig.braceExpand(pattern, ext(def, options))
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m.match = (list, pattern, options) => orig.match(list, pattern, ext(def, options))
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return m
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}
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// Brace expansion:
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// a{b,c}d -> abd acd
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// a{b,}c -> abc ac
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// a{0..3}d -> a0d a1d a2d a3d
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// a{b,c{d,e}f}g -> abg acdfg acefg
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// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
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//
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// Invalid sets are not expanded.
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// a{2..}b -> a{2..}b
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// a{b}c -> a{b}c
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minimatch.braceExpand = (pattern, options) => braceExpand(pattern, options)
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const braceExpand = (pattern, options = {}) => {
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assertValidPattern(pattern)
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// Thanks to Yeting Li <https://github.com/yetingli> for
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// improving this regexp to avoid a ReDOS vulnerability.
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if (options.nobrace || !/\{(?:(?!\{).)*\}/.test(pattern)) {
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// shortcut. no need to expand.
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return [pattern]
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}
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return expand(pattern)
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}
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const MAX_PATTERN_LENGTH = 1024 * 64
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const assertValidPattern = pattern => {
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if (typeof pattern !== 'string') {
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throw new TypeError('invalid pattern')
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}
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if (pattern.length > MAX_PATTERN_LENGTH) {
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throw new TypeError('pattern is too long')
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}
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}
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// parse a component of the expanded set.
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// At this point, no pattern may contain "/" in it
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// so we're going to return a 2d array, where each entry is the full
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// pattern, split on '/', and then turned into a regular expression.
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// A regexp is made at the end which joins each array with an
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// escaped /, and another full one which joins each regexp with |.
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//
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// Following the lead of Bash 4.1, note that "**" only has special meaning
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// when it is the *only* thing in a path portion. Otherwise, any series
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// of * is equivalent to a single *. Globstar behavior is enabled by
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// default, and can be disabled by setting options.noglobstar.
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const SUBPARSE = Symbol('subparse')
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minimatch.makeRe = (pattern, options) =>
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new Minimatch(pattern, options || {}).makeRe()
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minimatch.match = (list, pattern, options = {}) => {
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const mm = new Minimatch(pattern, options)
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list = list.filter(f => mm.match(f))
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if (mm.options.nonull && !list.length) {
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list.push(pattern)
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}
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return list
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}
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// replace stuff like \* with *
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const globUnescape = s => s.replace(/\\(.)/g, '$1')
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const charUnescape = s => s.replace(/\\([^-\]])/g, '$1')
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const regExpEscape = s => s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
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const braExpEscape = s => s.replace(/[[\]\\]/g, '\\$&')
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class Minimatch {
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constructor (pattern, options) {
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assertValidPattern(pattern)
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if (!options) options = {}
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this.options = options
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this.maxGlobstarRecursion = options.maxGlobstarRecursion !== undefined
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? options.maxGlobstarRecursion : 200
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this.set = []
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this.pattern = pattern
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this.windowsPathsNoEscape = !!options.windowsPathsNoEscape ||
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options.allowWindowsEscape === false
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if (this.windowsPathsNoEscape) {
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this.pattern = this.pattern.replace(/\\/g, '/')
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}
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this.regexp = null
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this.negate = false
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this.comment = false
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this.empty = false
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this.partial = !!options.partial
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// make the set of regexps etc.
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this.make()
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}
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debug () {}
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make () {
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const pattern = this.pattern
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const options = this.options
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// empty patterns and comments match nothing.
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if (!options.nocomment && pattern.charAt(0) === '#') {
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this.comment = true
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return
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}
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if (!pattern) {
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this.empty = true
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return
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}
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// step 1: figure out negation, etc.
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this.parseNegate()
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// step 2: expand braces
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let set = this.globSet = this.braceExpand()
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if (options.debug) this.debug = (...args) => console.error(...args)
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this.debug(this.pattern, set)
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// step 3: now we have a set, so turn each one into a series of path-portion
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// matching patterns.
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// These will be regexps, except in the case of "**", which is
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// set to the GLOBSTAR object for globstar behavior,
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// and will not contain any / characters
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set = this.globParts = set.map(s => s.split(slashSplit))
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this.debug(this.pattern, set)
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// glob --> regexps
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set = set.map((s, si, set) => s.map(this.parse, this))
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this.debug(this.pattern, set)
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// filter out everything that didn't compile properly.
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set = set.filter(s => s.indexOf(false) === -1)
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this.debug(this.pattern, set)
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this.set = set
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}
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parseNegate () {
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if (this.options.nonegate) return
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const pattern = this.pattern
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let negate = false
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let negateOffset = 0
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for (let i = 0; i < pattern.length && pattern.charAt(i) === '!'; i++) {
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negate = !negate
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negateOffset++
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}
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if (negateOffset) this.pattern = pattern.slice(negateOffset)
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this.negate = negate
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}
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// set partial to true to test if, for example,
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// "/a/b" matches the start of "/*/b/*/d"
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// Partial means, if you run out of file before you run
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// out of pattern, then that's fine, as long as all
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// the parts match.
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matchOne (file, pattern, partial) {
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if (pattern.indexOf(GLOBSTAR) !== -1) {
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return this._matchGlobstar(file, pattern, partial, 0, 0)
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}
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return this._matchOne(file, pattern, partial, 0, 0)
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}
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_matchGlobstar (file, pattern, partial, fileIndex, patternIndex) {
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// find first globstar from patternIndex
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let firstgs = -1
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for (let i = patternIndex; i < pattern.length; i++) {
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if (pattern[i] === GLOBSTAR) { firstgs = i; break }
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}
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// find last globstar
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let lastgs = -1
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for (let i = pattern.length - 1; i >= 0; i--) {
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if (pattern[i] === GLOBSTAR) { lastgs = i; break }
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}
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const head = pattern.slice(patternIndex, firstgs)
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const body = partial ? pattern.slice(firstgs + 1) : pattern.slice(firstgs + 1, lastgs)
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const tail = partial ? [] : pattern.slice(lastgs + 1)
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// check the head
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if (head.length) {
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const fileHead = file.slice(fileIndex, fileIndex + head.length)
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if (!this._matchOne(fileHead, head, partial, 0, 0)) {
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return false
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}
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fileIndex += head.length
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}
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// check the tail
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let fileTailMatch = 0
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if (tail.length) {
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if (tail.length + fileIndex > file.length) return false
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const tailStart = file.length - tail.length
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if (this._matchOne(file, tail, partial, tailStart, 0)) {
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fileTailMatch = tail.length
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} else {
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// affordance for stuff like a/**/* matching a/b/
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if (file[file.length - 1] !== '' ||
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fileIndex + tail.length === file.length) {
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return false
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}
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if (!this._matchOne(file, tail, partial, tailStart - 1, 0)) {
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return false
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}
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fileTailMatch = tail.length + 1
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}
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}
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// if body is empty (single ** between head and tail)
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if (!body.length) {
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let sawSome = !!fileTailMatch
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for (let i = fileIndex; i < file.length - fileTailMatch; i++) {
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const f = String(file[i])
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sawSome = true
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if (f === '.' || f === '..' ||
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(!this.options.dot && f.charAt(0) === '.')) {
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return false
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}
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}
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return partial || sawSome
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}
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// split body into segments at each GLOBSTAR
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const bodySegments = [[[], 0]]
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let currentBody = bodySegments[0]
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let nonGsParts = 0
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const nonGsPartsSums = [0]
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for (const b of body) {
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if (b === GLOBSTAR) {
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nonGsPartsSums.push(nonGsParts)
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currentBody = [[], 0]
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bodySegments.push(currentBody)
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} else {
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currentBody[0].push(b)
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nonGsParts++
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}
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}
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let idx = bodySegments.length - 1
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const fileLength = file.length - fileTailMatch
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for (const b of bodySegments) {
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b[1] = fileLength - (nonGsPartsSums[idx--] + b[0].length)
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}
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return !!this._matchGlobStarBodySections(
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file, bodySegments, fileIndex, 0, partial, 0, !!fileTailMatch
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)
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}
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// return false for "nope, not matching"
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// return null for "not matching, cannot keep trying"
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_matchGlobStarBodySections (
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file, bodySegments, fileIndex, bodyIndex, partial, globStarDepth, sawTail
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) {
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const bs = bodySegments[bodyIndex]
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if (!bs) {
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// just make sure there are no bad dots
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for (let i = fileIndex; i < file.length; i++) {
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sawTail = true
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const f = file[i]
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if (f === '.' || f === '..' ||
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(!this.options.dot && f.charAt(0) === '.')) {
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return false
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}
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}
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return sawTail
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}
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const [body, after] = bs
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while (fileIndex <= after) {
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const m = this._matchOne(
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file.slice(0, fileIndex + body.length),
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body,
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partial,
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fileIndex,
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0
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)
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// if limit exceeded, no match. intentional false negative,
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// acceptable break in correctness for security.
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if (m && globStarDepth < this.maxGlobstarRecursion) {
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const sub = this._matchGlobStarBodySections(
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file, bodySegments,
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fileIndex + body.length, bodyIndex + 1,
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partial, globStarDepth + 1, sawTail
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)
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if (sub !== false) {
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return sub
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}
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}
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const f = file[fileIndex]
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if (f === '.' || f === '..' ||
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(!this.options.dot && f.charAt(0) === '.')) {
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return false
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}
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fileIndex++
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}
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return partial || null
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}
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_matchOne (file, pattern, partial, fileIndex, patternIndex) {
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let fi, pi, fl, pl
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for (
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fi = fileIndex, pi = patternIndex, fl = file.length, pl = pattern.length
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; (fi < fl) && (pi < pl)
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; fi++, pi++
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) {
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this.debug('matchOne loop')
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const p = pattern[pi]
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const f = file[fi]
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this.debug(pattern, p, f)
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// should be impossible.
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// some invalid regexp stuff in the set.
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/* istanbul ignore if */
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if (p === false || p === GLOBSTAR) return false
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// something other than **
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// non-magic patterns just have to match exactly
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// patterns with magic have been turned into regexps.
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let hit
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if (typeof p === 'string') {
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hit = f === p
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this.debug('string match', p, f, hit)
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} else {
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hit = f.match(p)
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this.debug('pattern match', p, f, hit)
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}
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if (!hit) return false
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}
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// now either we fell off the end of the pattern, or we're done.
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if (fi === fl && pi === pl) {
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// ran out of pattern and filename at the same time.
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// an exact hit!
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return true
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} else if (fi === fl) {
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// ran out of file, but still had pattern left.
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// this is ok if we're doing the match as part of
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// a glob fs traversal.
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return partial
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} else /* istanbul ignore else */ if (pi === pl) {
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// ran out of pattern, still have file left.
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// this is only acceptable if we're on the very last
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// empty segment of a file with a trailing slash.
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// a/* should match a/b/
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return (fi === fl - 1) && (file[fi] === '')
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}
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// should be unreachable.
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/* istanbul ignore next */
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throw new Error('wtf?')
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}
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braceExpand () {
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return braceExpand(this.pattern, this.options)
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}
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parse (pattern, isSub) {
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assertValidPattern(pattern)
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const options = this.options
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// shortcuts
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if (pattern === '**') {
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if (!options.noglobstar)
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return GLOBSTAR
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else
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pattern = '*'
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}
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if (pattern === '') return ''
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let re = ''
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let hasMagic = false
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let escaping = false
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// ? => one single character
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const patternListStack = []
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const negativeLists = []
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let stateChar
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let inClass = false
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let reClassStart = -1
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let classStart = -1
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let cs
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let pl
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let sp
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// . and .. never match anything that doesn't start with .,
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// even when options.dot is set. However, if the pattern
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// starts with ., then traversal patterns can match.
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let dotTravAllowed = pattern.charAt(0) === '.'
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let dotFileAllowed = options.dot || dotTravAllowed
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const patternStart = () =>
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dotTravAllowed
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? ''
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: dotFileAllowed
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? '(?!(?:^|\\/)\\.{1,2}(?:$|\\/))'
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: '(?!\\.)'
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const subPatternStart = (p) =>
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p.charAt(0) === '.'
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? ''
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: options.dot
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? '(?!(?:^|\\/)\\.{1,2}(?:$|\\/))'
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: '(?!\\.)'
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const clearStateChar = () => {
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if (stateChar) {
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// we had some state-tracking character
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// that wasn't consumed by this pass.
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switch (stateChar) {
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case '*':
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re += star
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hasMagic = true
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break
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case '?':
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re += qmark
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hasMagic = true
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break
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default:
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re += '\\' + stateChar
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break
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}
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this.debug('clearStateChar %j %j', stateChar, re)
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stateChar = false
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}
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}
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for (let i = 0, c; (i < pattern.length) && (c = pattern.charAt(i)); i++) {
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|
this.debug('%s\t%s %s %j', pattern, i, re, c)
|
|
|
|
// skip over any that are escaped.
|
|
if (escaping) {
|
|
/* istanbul ignore next - completely not allowed, even escaped. */
|
|
if (c === '/') {
|
|
return false
|
|
}
|
|
|
|
if (reSpecials[c]) {
|
|
re += '\\'
|
|
}
|
|
re += c
|
|
escaping = false
|
|
continue
|
|
}
|
|
|
|
switch (c) {
|
|
/* istanbul ignore next */
|
|
case '/': {
|
|
// Should already be path-split by now.
|
|
return false
|
|
}
|
|
|
|
case '\\':
|
|
if (inClass && pattern.charAt(i + 1) === '-') {
|
|
re += c
|
|
continue
|
|
}
|
|
|
|
clearStateChar()
|
|
escaping = true
|
|
continue
|
|
|
|
// the various stateChar values
|
|
// for the "extglob" stuff.
|
|
case '?':
|
|
case '*':
|
|
case '+':
|
|
case '@':
|
|
case '!':
|
|
this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c)
|
|
|
|
// all of those are literals inside a class, except that
|
|
// the glob [!a] means [^a] in regexp
|
|
if (inClass) {
|
|
this.debug(' in class')
|
|
if (c === '!' && i === classStart + 1) c = '^'
|
|
re += c
|
|
continue
|
|
}
|
|
|
|
// coalesce consecutive non-globstar * characters
|
|
if (c === '*' && stateChar === '*') continue
|
|
|
|
// if we already have a stateChar, then it means
|
|
// that there was something like ** or +? in there.
|
|
// Handle the stateChar, then proceed with this one.
|
|
this.debug('call clearStateChar %j', stateChar)
|
|
clearStateChar()
|
|
stateChar = c
|
|
// if extglob is disabled, then +(asdf|foo) isn't a thing.
|
|
// just clear the statechar *now*, rather than even diving into
|
|
// the patternList stuff.
|
|
if (options.noext) clearStateChar()
|
|
continue
|
|
|
|
case '(': {
|
|
if (inClass) {
|
|
re += '('
|
|
continue
|
|
}
|
|
|
|
if (!stateChar) {
|
|
re += '\\('
|
|
continue
|
|
}
|
|
|
|
const plEntry = {
|
|
type: stateChar,
|
|
start: i - 1,
|
|
reStart: re.length,
|
|
open: plTypes[stateChar].open,
|
|
close: plTypes[stateChar].close,
|
|
}
|
|
this.debug(this.pattern, '\t', plEntry)
|
|
patternListStack.push(plEntry)
|
|
// negation is (?:(?!(?:js)(?:<rest>))[^/]*)
|
|
re += plEntry.open
|
|
// next entry starts with a dot maybe?
|
|
if (plEntry.start === 0 && plEntry.type !== '!') {
|
|
dotTravAllowed = true
|
|
re += subPatternStart(pattern.slice(i + 1))
|
|
}
|
|
this.debug('plType %j %j', stateChar, re)
|
|
stateChar = false
|
|
continue
|
|
}
|
|
|
|
case ')': {
|
|
const plEntry = patternListStack[patternListStack.length - 1]
|
|
if (inClass || !plEntry) {
|
|
re += '\\)'
|
|
continue
|
|
}
|
|
patternListStack.pop()
|
|
|
|
// closing an extglob
|
|
clearStateChar()
|
|
hasMagic = true
|
|
pl = plEntry
|
|
// negation is (?:(?!js)[^/]*)
|
|
// The others are (?:<pattern>)<type>
|
|
re += pl.close
|
|
if (pl.type === '!') {
|
|
negativeLists.push(Object.assign(pl, { reEnd: re.length }))
|
|
}
|
|
continue
|
|
}
|
|
|
|
case '|': {
|
|
const plEntry = patternListStack[patternListStack.length - 1]
|
|
if (inClass || !plEntry) {
|
|
re += '\\|'
|
|
continue
|
|
}
|
|
|
|
clearStateChar()
|
|
re += '|'
|
|
// next subpattern can start with a dot?
|
|
if (plEntry.start === 0 && plEntry.type !== '!') {
|
|
dotTravAllowed = true
|
|
re += subPatternStart(pattern.slice(i + 1))
|
|
}
|
|
continue
|
|
}
|
|
|
|
// these are mostly the same in regexp and glob
|
|
case '[':
|
|
// swallow any state-tracking char before the [
|
|
clearStateChar()
|
|
|
|
if (inClass) {
|
|
re += '\\' + c
|
|
continue
|
|
}
|
|
|
|
inClass = true
|
|
classStart = i
|
|
reClassStart = re.length
|
|
re += c
|
|
continue
|
|
|
|
case ']':
|
|
// a right bracket shall lose its special
|
|
// meaning and represent itself in
|
|
// a bracket expression if it occurs
|
|
// first in the list. -- POSIX.2 2.8.3.2
|
|
if (i === classStart + 1 || !inClass) {
|
|
re += '\\' + c
|
|
continue
|
|
}
|
|
|
|
// split where the last [ was, make sure we don't have
|
|
// an invalid re. if so, re-walk the contents of the
|
|
// would-be class to re-translate any characters that
|
|
// were passed through as-is
|
|
// TODO: It would probably be faster to determine this
|
|
// without a try/catch and a new RegExp, but it's tricky
|
|
// to do safely. For now, this is safe and works.
|
|
cs = pattern.substring(classStart + 1, i)
|
|
try {
|
|
RegExp('[' + braExpEscape(charUnescape(cs)) + ']')
|
|
// looks good, finish up the class.
|
|
re += c
|
|
} catch (er) {
|
|
// out of order ranges in JS are errors, but in glob syntax,
|
|
// they're just a range that matches nothing.
|
|
re = re.substring(0, reClassStart) + '(?:$.)' // match nothing ever
|
|
}
|
|
hasMagic = true
|
|
inClass = false
|
|
continue
|
|
|
|
default:
|
|
// swallow any state char that wasn't consumed
|
|
clearStateChar()
|
|
|
|
if (reSpecials[c] && !(c === '^' && inClass)) {
|
|
re += '\\'
|
|
}
|
|
|
|
re += c
|
|
break
|
|
|
|
} // switch
|
|
} // for
|
|
|
|
// handle the case where we left a class open.
|
|
// "[abc" is valid, equivalent to "\[abc"
|
|
if (inClass) {
|
|
// split where the last [ was, and escape it
|
|
// this is a huge pita. We now have to re-walk
|
|
// the contents of the would-be class to re-translate
|
|
// any characters that were passed through as-is
|
|
cs = pattern.slice(classStart + 1)
|
|
sp = this.parse(cs, SUBPARSE)
|
|
re = re.substring(0, reClassStart) + '\\[' + sp[0]
|
|
hasMagic = hasMagic || sp[1]
|
|
}
|
|
|
|
// handle the case where we had a +( thing at the *end*
|
|
// of the pattern.
|
|
// each pattern list stack adds 3 chars, and we need to go through
|
|
// and escape any | chars that were passed through as-is for the regexp.
|
|
// Go through and escape them, taking care not to double-escape any
|
|
// | chars that were already escaped.
|
|
for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) {
|
|
let tail
|
|
tail = re.slice(pl.reStart + pl.open.length)
|
|
this.debug('setting tail', re, pl)
|
|
// maybe some even number of \, then maybe 1 \, followed by a |
|
|
tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, (_, $1, $2) => {
|
|
/* istanbul ignore else - should already be done */
|
|
if (!$2) {
|
|
// the | isn't already escaped, so escape it.
|
|
$2 = '\\'
|
|
}
|
|
|
|
// need to escape all those slashes *again*, without escaping the
|
|
// one that we need for escaping the | character. As it works out,
|
|
// escaping an even number of slashes can be done by simply repeating
|
|
// it exactly after itself. That's why this trick works.
|
|
//
|
|
// I am sorry that you have to see this.
|
|
return $1 + $1 + $2 + '|'
|
|
})
|
|
|
|
this.debug('tail=%j\n %s', tail, tail, pl, re)
|
|
const t = pl.type === '*' ? star
|
|
: pl.type === '?' ? qmark
|
|
: '\\' + pl.type
|
|
|
|
hasMagic = true
|
|
re = re.slice(0, pl.reStart) + t + '\\(' + tail
|
|
}
|
|
|
|
// handle trailing things that only matter at the very end.
|
|
clearStateChar()
|
|
if (escaping) {
|
|
// trailing \\
|
|
re += '\\\\'
|
|
}
|
|
|
|
// only need to apply the nodot start if the re starts with
|
|
// something that could conceivably capture a dot
|
|
const addPatternStart = addPatternStartSet[re.charAt(0)]
|
|
|
|
// Hack to work around lack of negative lookbehind in JS
|
|
// A pattern like: *.!(x).!(y|z) needs to ensure that a name
|
|
// like 'a.xyz.yz' doesn't match. So, the first negative
|
|
// lookahead, has to look ALL the way ahead, to the end of
|
|
// the pattern.
|
|
for (let n = negativeLists.length - 1; n > -1; n--) {
|
|
const nl = negativeLists[n]
|
|
|
|
const nlBefore = re.slice(0, nl.reStart)
|
|
const nlFirst = re.slice(nl.reStart, nl.reEnd - 8)
|
|
let nlAfter = re.slice(nl.reEnd)
|
|
const nlLast = re.slice(nl.reEnd - 8, nl.reEnd) + nlAfter
|
|
|
|
// Handle nested stuff like *(*.js|!(*.json)), where open parens
|
|
// mean that we should *not* include the ) in the bit that is considered
|
|
// "after" the negated section.
|
|
const closeParensBefore = nlBefore.split(')').length
|
|
const openParensBefore = nlBefore.split('(').length - closeParensBefore
|
|
let cleanAfter = nlAfter
|
|
for (let i = 0; i < openParensBefore; i++) {
|
|
cleanAfter = cleanAfter.replace(/\)[+*?]?/, '')
|
|
}
|
|
nlAfter = cleanAfter
|
|
|
|
const dollar = nlAfter === '' && isSub !== SUBPARSE ? '(?:$|\\/)' : ''
|
|
|
|
re = nlBefore + nlFirst + nlAfter + dollar + nlLast
|
|
}
|
|
|
|
// if the re is not "" at this point, then we need to make sure
|
|
// it doesn't match against an empty path part.
|
|
// Otherwise a/* will match a/, which it should not.
|
|
if (re !== '' && hasMagic) {
|
|
re = '(?=.)' + re
|
|
}
|
|
|
|
if (addPatternStart) {
|
|
re = patternStart() + re
|
|
}
|
|
|
|
// parsing just a piece of a larger pattern.
|
|
if (isSub === SUBPARSE) {
|
|
return [re, hasMagic]
|
|
}
|
|
|
|
// if it's nocase, and the lcase/uppercase don't match, it's magic
|
|
if (options.nocase && !hasMagic) {
|
|
hasMagic = pattern.toUpperCase() !== pattern.toLowerCase()
|
|
}
|
|
|
|
// skip the regexp for non-magical patterns
|
|
// unescape anything in it, though, so that it'll be
|
|
// an exact match against a file etc.
|
|
if (!hasMagic) {
|
|
return globUnescape(pattern)
|
|
}
|
|
|
|
const flags = options.nocase ? 'i' : ''
|
|
try {
|
|
return Object.assign(new RegExp('^' + re + '$', flags), {
|
|
_glob: pattern,
|
|
_src: re,
|
|
})
|
|
} catch (er) /* istanbul ignore next - should be impossible */ {
|
|
// If it was an invalid regular expression, then it can't match
|
|
// anything. This trick looks for a character after the end of
|
|
// the string, which is of course impossible, except in multi-line
|
|
// mode, but it's not a /m regex.
|
|
return new RegExp('$.')
|
|
}
|
|
}
|
|
|
|
makeRe () {
|
|
if (this.regexp || this.regexp === false) return this.regexp
|
|
|
|
// at this point, this.set is a 2d array of partial
|
|
// pattern strings, or "**".
|
|
//
|
|
// It's better to use .match(). This function shouldn't
|
|
// be used, really, but it's pretty convenient sometimes,
|
|
// when you just want to work with a regex.
|
|
const set = this.set
|
|
|
|
if (!set.length) {
|
|
this.regexp = false
|
|
return this.regexp
|
|
}
|
|
const options = this.options
|
|
|
|
const twoStar = options.noglobstar ? star
|
|
: options.dot ? twoStarDot
|
|
: twoStarNoDot
|
|
const flags = options.nocase ? 'i' : ''
|
|
|
|
// coalesce globstars and regexpify non-globstar patterns
|
|
// if it's the only item, then we just do one twoStar
|
|
// if it's the first, and there are more, prepend (\/|twoStar\/)? to next
|
|
// if it's the last, append (\/twoStar|) to previous
|
|
// if it's in the middle, append (\/|\/twoStar\/) to previous
|
|
// then filter out GLOBSTAR symbols
|
|
let re = set.map(pattern => {
|
|
pattern = pattern.map(p =>
|
|
typeof p === 'string' ? regExpEscape(p)
|
|
: p === GLOBSTAR ? GLOBSTAR
|
|
: p._src
|
|
).reduce((set, p) => {
|
|
if (!(set[set.length - 1] === GLOBSTAR && p === GLOBSTAR)) {
|
|
set.push(p)
|
|
}
|
|
return set
|
|
}, [])
|
|
pattern.forEach((p, i) => {
|
|
if (p !== GLOBSTAR || pattern[i-1] === GLOBSTAR) {
|
|
return
|
|
}
|
|
if (i === 0) {
|
|
if (pattern.length > 1) {
|
|
pattern[i+1] = '(?:\\\/|' + twoStar + '\\\/)?' + pattern[i+1]
|
|
} else {
|
|
pattern[i] = twoStar
|
|
}
|
|
} else if (i === pattern.length - 1) {
|
|
pattern[i-1] += '(?:\\\/|' + twoStar + ')?'
|
|
} else {
|
|
pattern[i-1] += '(?:\\\/|\\\/' + twoStar + '\\\/)' + pattern[i+1]
|
|
pattern[i+1] = GLOBSTAR
|
|
}
|
|
})
|
|
return pattern.filter(p => p !== GLOBSTAR).join('/')
|
|
}).join('|')
|
|
|
|
// must match entire pattern
|
|
// ending in a * or ** will make it less strict.
|
|
re = '^(?:' + re + ')$'
|
|
|
|
// can match anything, as long as it's not this.
|
|
if (this.negate) re = '^(?!' + re + ').*$'
|
|
|
|
try {
|
|
this.regexp = new RegExp(re, flags)
|
|
} catch (ex) /* istanbul ignore next - should be impossible */ {
|
|
this.regexp = false
|
|
}
|
|
return this.regexp
|
|
}
|
|
|
|
match (f, partial = this.partial) {
|
|
this.debug('match', f, this.pattern)
|
|
// short-circuit in the case of busted things.
|
|
// comments, etc.
|
|
if (this.comment) return false
|
|
if (this.empty) return f === ''
|
|
|
|
if (f === '/' && partial) return true
|
|
|
|
const options = this.options
|
|
|
|
// windows: need to use /, not \
|
|
if (path.sep !== '/') {
|
|
f = f.split(path.sep).join('/')
|
|
}
|
|
|
|
// treat the test path as a set of pathparts.
|
|
f = f.split(slashSplit)
|
|
this.debug(this.pattern, 'split', f)
|
|
|
|
// just ONE of the pattern sets in this.set needs to match
|
|
// in order for it to be valid. If negating, then just one
|
|
// match means that we have failed.
|
|
// Either way, return on the first hit.
|
|
|
|
const set = this.set
|
|
this.debug(this.pattern, 'set', set)
|
|
|
|
// Find the basename of the path by looking for the last non-empty segment
|
|
let filename
|
|
for (let i = f.length - 1; i >= 0; i--) {
|
|
filename = f[i]
|
|
if (filename) break
|
|
}
|
|
|
|
for (let i = 0; i < set.length; i++) {
|
|
const pattern = set[i]
|
|
let file = f
|
|
if (options.matchBase && pattern.length === 1) {
|
|
file = [filename]
|
|
}
|
|
const hit = this.matchOne(file, pattern, partial)
|
|
if (hit) {
|
|
if (options.flipNegate) return true
|
|
return !this.negate
|
|
}
|
|
}
|
|
|
|
// didn't get any hits. this is success if it's a negative
|
|
// pattern, failure otherwise.
|
|
if (options.flipNegate) return false
|
|
return this.negate
|
|
}
|
|
|
|
static defaults (def) {
|
|
return minimatch.defaults(def).Minimatch
|
|
}
|
|
}
|
|
|
|
minimatch.Minimatch = Minimatch
|