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tidelift: "npm/brace-expansion"
patreon: juliangruber

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node_modules/purgecss/node_modules/brace-expansion/LICENSE generated vendored
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MIT License
Copyright (c) 2013 Julian Gruber <julian@juliangruber.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# brace-expansion
[Brace expansion](https://www.gnu.org/software/bash/manual/html_node/Brace-Expansion.html),
as known from sh/bash, in JavaScript.
[![build status](https://secure.travis-ci.org/juliangruber/brace-expansion.svg)](http://travis-ci.org/juliangruber/brace-expansion)
[![downloads](https://img.shields.io/npm/dm/brace-expansion.svg)](https://www.npmjs.org/package/brace-expansion)
[![Greenkeeper badge](https://badges.greenkeeper.io/juliangruber/brace-expansion.svg)](https://greenkeeper.io/)
[![testling badge](https://ci.testling.com/juliangruber/brace-expansion.png)](https://ci.testling.com/juliangruber/brace-expansion)
## Example
```js
var expand = require('brace-expansion');
expand('file-{a,b,c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('-v{,,}')
// => ['-v', '-v', '-v']
expand('file{0..2}.jpg')
// => ['file0.jpg', 'file1.jpg', 'file2.jpg']
expand('file-{a..c}.jpg')
// => ['file-a.jpg', 'file-b.jpg', 'file-c.jpg']
expand('file{2..0}.jpg')
// => ['file2.jpg', 'file1.jpg', 'file0.jpg']
expand('file{0..4..2}.jpg')
// => ['file0.jpg', 'file2.jpg', 'file4.jpg']
expand('file-{a..e..2}.jpg')
// => ['file-a.jpg', 'file-c.jpg', 'file-e.jpg']
expand('file{00..10..5}.jpg')
// => ['file00.jpg', 'file05.jpg', 'file10.jpg']
expand('{{A..C},{a..c}}')
// => ['A', 'B', 'C', 'a', 'b', 'c']
expand('ppp{,config,oe{,conf}}')
// => ['ppp', 'pppconfig', 'pppoe', 'pppoeconf']
```
## API
```js
var expand = require('brace-expansion');
```
### var expanded = expand(str)
Return an array of all possible and valid expansions of `str`. If none are
found, `[str]` is returned.
Valid expansions are:
```js
/^(.*,)+(.+)?$/
// {a,b,...}
```
A comma separated list of options, like `{a,b}` or `{a,{b,c}}` or `{,a,}`.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
A numeric sequence from `x` to `y` inclusive, with optional increment.
If `x` or `y` start with a leading `0`, all the numbers will be padded
to have equal length. Negative numbers and backwards iteration work too.
```js
/^-?\d+\.\.-?\d+(\.\.-?\d+)?$/
// {x..y[..incr]}
```
An alphabetic sequence from `x` to `y` inclusive, with optional increment.
`x` and `y` must be exactly one character, and if given, `incr` must be a
number.
For compatibility reasons, the string `${` is not eligible for brace expansion.
## Installation
With [npm](https://npmjs.org) do:
```bash
npm install brace-expansion
```
## Contributors
- [Julian Gruber](https://github.com/juliangruber)
- [Isaac Z. Schlueter](https://github.com/isaacs)
## Sponsors
This module is proudly supported by my [Sponsors](https://github.com/juliangruber/sponsors)!
Do you want to support modules like this to improve their quality, stability and weigh in on new features? Then please consider donating to my [Patreon](https://www.patreon.com/juliangruber). Not sure how much of my modules you're using? Try [feross/thanks](https://github.com/feross/thanks)!
## Security contact information
To report a security vulnerability, please use the
[Tidelift security contact](https://tidelift.com/security).
Tidelift will coordinate the fix and disclosure.
## License
(MIT)
Copyright (c) 2013 Julian Gruber &lt;julian@juliangruber.com&gt;
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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var balanced = require('balanced-match');
module.exports = expandTop;
var escSlash = '\0SLASH'+Math.random()+'\0';
var escOpen = '\0OPEN'+Math.random()+'\0';
var escClose = '\0CLOSE'+Math.random()+'\0';
var escComma = '\0COMMA'+Math.random()+'\0';
var escPeriod = '\0PERIOD'+Math.random()+'\0';
function numeric(str) {
return parseInt(str, 10) == str
? parseInt(str, 10)
: str.charCodeAt(0);
}
function escapeBraces(str) {
return str.split('\\\\').join(escSlash)
.split('\\{').join(escOpen)
.split('\\}').join(escClose)
.split('\\,').join(escComma)
.split('\\.').join(escPeriod);
}
function unescapeBraces(str) {
return str.split(escSlash).join('\\')
.split(escOpen).join('{')
.split(escClose).join('}')
.split(escComma).join(',')
.split(escPeriod).join('.');
}
// Basically just str.split(","), but handling cases
// where we have nested braced sections, which should be
// treated as individual members, like {a,{b,c},d}
function parseCommaParts(str) {
if (!str)
return [''];
var parts = [];
var m = balanced('{', '}', str);
if (!m)
return str.split(',');
var pre = m.pre;
var body = m.body;
var post = m.post;
var p = pre.split(',');
p[p.length-1] += '{' + body + '}';
var postParts = parseCommaParts(post);
if (post.length) {
p[p.length-1] += postParts.shift();
p.push.apply(p, postParts);
}
parts.push.apply(parts, p);
return parts;
}
function expandTop(str) {
if (!str)
return [];
// I don't know why Bash 4.3 does this, but it does.
// Anything starting with {} will have the first two bytes preserved
// but *only* at the top level, so {},a}b will not expand to anything,
// but a{},b}c will be expanded to [a}c,abc].
// One could argue that this is a bug in Bash, but since the goal of
// this module is to match Bash's rules, we escape a leading {}
if (str.substr(0, 2) === '{}') {
str = '\\{\\}' + str.substr(2);
}
return expand(escapeBraces(str), true).map(unescapeBraces);
}
function embrace(str) {
return '{' + str + '}';
}
function isPadded(el) {
return /^-?0\d/.test(el);
}
function lte(i, y) {
return i <= y;
}
function gte(i, y) {
return i >= y;
}
function expand(str, isTop) {
var expansions = [];
var m = balanced('{', '}', str);
if (!m) return [str];
// no need to expand pre, since it is guaranteed to be free of brace-sets
var pre = m.pre;
var post = m.post.length
? expand(m.post, false)
: [''];
if (/\$$/.test(m.pre)) {
for (var k = 0; k < post.length; k++) {
var expansion = pre+ '{' + m.body + '}' + post[k];
expansions.push(expansion);
}
} else {
var isNumericSequence = /^-?\d+\.\.-?\d+(?:\.\.-?\d+)?$/.test(m.body);
var isAlphaSequence = /^[a-zA-Z]\.\.[a-zA-Z](?:\.\.-?\d+)?$/.test(m.body);
var isSequence = isNumericSequence || isAlphaSequence;
var isOptions = m.body.indexOf(',') >= 0;
if (!isSequence && !isOptions) {
// {a},b}
if (m.post.match(/,.*\}/)) {
str = m.pre + '{' + m.body + escClose + m.post;
return expand(str);
}
return [str];
}
var n;
if (isSequence) {
n = m.body.split(/\.\./);
} else {
n = parseCommaParts(m.body);
if (n.length === 1) {
// x{{a,b}}y ==> x{a}y x{b}y
n = expand(n[0], false).map(embrace);
if (n.length === 1) {
return post.map(function(p) {
return m.pre + n[0] + p;
});
}
}
}
// at this point, n is the parts, and we know it's not a comma set
// with a single entry.
var N;
if (isSequence) {
var x = numeric(n[0]);
var y = numeric(n[1]);
var width = Math.max(n[0].length, n[1].length)
var incr = n.length == 3
? Math.abs(numeric(n[2]))
: 1;
var test = lte;
var reverse = y < x;
if (reverse) {
incr *= -1;
test = gte;
}
var pad = n.some(isPadded);
N = [];
for (var i = x; test(i, y); i += incr) {
var c;
if (isAlphaSequence) {
c = String.fromCharCode(i);
if (c === '\\')
c = '';
} else {
c = String(i);
if (pad) {
var need = width - c.length;
if (need > 0) {
var z = new Array(need + 1).join('0');
if (i < 0)
c = '-' + z + c.slice(1);
else
c = z + c;
}
}
}
N.push(c);
}
} else {
N = [];
for (var j = 0; j < n.length; j++) {
N.push.apply(N, expand(n[j], false));
}
}
for (var j = 0; j < N.length; j++) {
for (var k = 0; k < post.length; k++) {
var expansion = pre + N[j] + post[k];
if (!isTop || isSequence || expansion)
expansions.push(expansion);
}
}
}
return expansions;
}

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{
"name": "brace-expansion",
"description": "Brace expansion as known from sh/bash",
"version": "2.0.1",
"repository": {
"type": "git",
"url": "git://github.com/juliangruber/brace-expansion.git"
},
"homepage": "https://github.com/juliangruber/brace-expansion",
"main": "index.js",
"scripts": {
"test": "tape test/*.js",
"gentest": "bash test/generate.sh",
"bench": "matcha test/perf/bench.js"
},
"dependencies": {
"balanced-match": "^1.0.0"
},
"devDependencies": {
"@c4312/matcha": "^1.3.1",
"tape": "^4.6.0"
},
"keywords": [],
"author": {
"name": "Julian Gruber",
"email": "mail@juliangruber.com",
"url": "http://juliangruber.com"
},
"license": "MIT",
"testling": {
"files": "test/*.js",
"browsers": [
"ie/8..latest",
"firefox/20..latest",
"firefox/nightly",
"chrome/25..latest",
"chrome/canary",
"opera/12..latest",
"opera/next",
"safari/5.1..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2..latest"
]
}
}

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The ISC License
Copyright (c) 2011-2023 Isaac Z. Schlueter and Contributors
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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# minimatch
A minimal matching utility.
[![Build Status](https://travis-ci.org/isaacs/minimatch.svg?branch=master)](http://travis-ci.org/isaacs/minimatch)
This is the matching library used internally by npm.
It works by converting glob expressions into JavaScript `RegExp`
objects.
## Usage
```javascript
var minimatch = require("minimatch")
minimatch("bar.foo", "*.foo") // true!
minimatch("bar.foo", "*.bar") // false!
minimatch("bar.foo", "*.+(bar|foo)", { debug: true }) // true, and noisy!
```
## Features
Supports these glob features:
* Brace Expansion
* Extended glob matching
* "Globstar" `**` matching
See:
* `man sh`
* `man bash`
* `man 3 fnmatch`
* `man 5 gitignore`
## Windows
**Please only use forward-slashes in glob expressions.**
Though windows uses either `/` or `\` as its path separator, only `/`
characters are used by this glob implementation. You must use
forward-slashes **only** in glob expressions. Back-slashes in patterns
will always be interpreted as escape characters, not path separators.
Note that `\` or `/` _will_ be interpreted as path separators in paths on
Windows, and will match against `/` in glob expressions.
So just always use `/` in patterns.
## Minimatch Class
Create a minimatch object by instantiating the `minimatch.Minimatch` class.
```javascript
var Minimatch = require("minimatch").Minimatch
var mm = new Minimatch(pattern, options)
```
### Properties
* `pattern` The original pattern the minimatch object represents.
* `options` The options supplied to the constructor.
* `set` A 2-dimensional array of regexp or string expressions.
Each row in the
array corresponds to a brace-expanded pattern. Each item in the row
corresponds to a single path-part. For example, the pattern
`{a,b/c}/d` would expand to a set of patterns like:
[ [ a, d ]
, [ b, c, d ] ]
If a portion of the pattern doesn't have any "magic" in it
(that is, it's something like `"foo"` rather than `fo*o?`), then it
will be left as a string rather than converted to a regular
expression.
* `regexp` Created by the `makeRe` method. A single regular expression
expressing the entire pattern. This is useful in cases where you wish
to use the pattern somewhat like `fnmatch(3)` with `FNM_PATH` enabled.
* `negate` True if the pattern is negated.
* `comment` True if the pattern is a comment.
* `empty` True if the pattern is `""`.
### Methods
* `makeRe` Generate the `regexp` member if necessary, and return it.
Will return `false` if the pattern is invalid.
* `match(fname)` Return true if the filename matches the pattern, or
false otherwise.
* `matchOne(fileArray, patternArray, partial)` Take a `/`-split
filename, and match it against a single row in the `regExpSet`. This
method is mainly for internal use, but is exposed so that it can be
used by a glob-walker that needs to avoid excessive filesystem calls.
All other methods are internal, and will be called as necessary.
### minimatch(path, pattern, options)
Main export. Tests a path against the pattern using the options.
```javascript
var isJS = minimatch(file, "*.js", { matchBase: true })
```
### minimatch.filter(pattern, options)
Returns a function that tests its
supplied argument, suitable for use with `Array.filter`. Example:
```javascript
var javascripts = fileList.filter(minimatch.filter("*.js", {matchBase: true}))
```
### minimatch.match(list, pattern, options)
Match against the list of
files, in the style of fnmatch or glob. If nothing is matched, and
options.nonull is set, then return a list containing the pattern itself.
```javascript
var javascripts = minimatch.match(fileList, "*.js", {matchBase: true})
```
### minimatch.makeRe(pattern, options)
Make a regular expression object from the pattern.
## Options
All options are `false` by default.
### debug
Dump a ton of stuff to stderr.
### nobrace
Do not expand `{a,b}` and `{1..3}` brace sets.
### noglobstar
Disable `**` matching against multiple folder names.
### dot
Allow patterns to match filenames starting with a period, even if
the pattern does not explicitly have a period in that spot.
Note that by default, `a/**/b` will **not** match `a/.d/b`, unless `dot`
is set.
### noext
Disable "extglob" style patterns like `+(a|b)`.
### nocase
Perform a case-insensitive match.
### nonull
When a match is not found by `minimatch.match`, return a list containing
the pattern itself if this option is set. When not set, an empty list
is returned if there are no matches.
### matchBase
If set, then patterns without slashes will be matched
against the basename of the path if it contains slashes. For example,
`a?b` would match the path `/xyz/123/acb`, but not `/xyz/acb/123`.
### nocomment
Suppress the behavior of treating `#` at the start of a pattern as a
comment.
### nonegate
Suppress the behavior of treating a leading `!` character as negation.
### flipNegate
Returns from negate expressions the same as if they were not negated.
(Ie, true on a hit, false on a miss.)
### partial
Compare a partial path to a pattern. As long as the parts of the path that
are present are not contradicted by the pattern, it will be treated as a
match. This is useful in applications where you're walking through a
folder structure, and don't yet have the full path, but want to ensure that
you do not walk down paths that can never be a match.
For example,
```js
minimatch('/a/b', '/a/*/c/d', { partial: true }) // true, might be /a/b/c/d
minimatch('/a/b', '/**/d', { partial: true }) // true, might be /a/b/.../d
minimatch('/x/y/z', '/a/**/z', { partial: true }) // false, because x !== a
```
### windowsPathsNoEscape
Use `\\` as a path separator _only_, and _never_ as an escape
character. If set, all `\\` characters are replaced with `/` in
the pattern. Note that this makes it **impossible** to match
against paths containing literal glob pattern characters, but
allows matching with patterns constructed using `path.join()` and
`path.resolve()` on Windows platforms, mimicking the (buggy!)
behavior of earlier versions on Windows. Please use with
caution, and be mindful of [the caveat about Windows
paths](#windows).
For legacy reasons, this is also set if
`options.allowWindowsEscape` is set to the exact value `false`.
## Comparisons to other fnmatch/glob implementations
While strict compliance with the existing standards is a worthwhile
goal, some discrepancies exist between minimatch and other
implementations, and are intentional.
If the pattern starts with a `!` character, then it is negated. Set the
`nonegate` flag to suppress this behavior, and treat leading `!`
characters normally. This is perhaps relevant if you wish to start the
pattern with a negative extglob pattern like `!(a|B)`. Multiple `!`
characters at the start of a pattern will negate the pattern multiple
times.
If a pattern starts with `#`, then it is treated as a comment, and
will not match anything. Use `\#` to match a literal `#` at the
start of a line, or set the `nocomment` flag to suppress this behavior.
The double-star character `**` is supported by default, unless the
`noglobstar` flag is set. This is supported in the manner of bsdglob
and bash 4.1, where `**` only has special significance if it is the only
thing in a path part. That is, `a/**/b` will match `a/x/y/b`, but
`a/**b` will not.
If an escaped pattern has no matches, and the `nonull` flag is set,
then minimatch.match returns the pattern as-provided, rather than
interpreting the character escapes. For example,
`minimatch.match([], "\\*a\\?")` will return `"\\*a\\?"` rather than
`"*a?"`. This is akin to setting the `nullglob` option in bash, except
that it does not resolve escaped pattern characters.
If brace expansion is not disabled, then it is performed before any
other interpretation of the glob pattern. Thus, a pattern like
`+(a|{b),c)}`, which would not be valid in bash or zsh, is expanded
**first** into the set of `+(a|b)` and `+(a|c)`, and those patterns are
checked for validity. Since those two are valid, matching proceeds.
Note that `fnmatch(3)` in libc is an extremely naive string comparison
matcher, which does not do anything special for slashes. This library is
designed to be used in glob searching and file walkers, and so it does do
special things with `/`. Thus, `foo*` will not match `foo/bar` in this
library, even though it would in `fnmatch(3)`.

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const isWindows = typeof process === 'object' &&
process &&
process.platform === 'win32'
module.exports = isWindows ? { sep: '\\' } : { sep: '/' }

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const minimatch = module.exports = (p, pattern, options = {}) => {
assertValidPattern(pattern)
// shortcut: comments match nothing.
if (!options.nocomment && pattern.charAt(0) === '#') {
return false
}
return new Minimatch(pattern, options).match(p)
}
module.exports = minimatch
const path = require('./lib/path.js')
minimatch.sep = path.sep
const GLOBSTAR = Symbol('globstar **')
minimatch.GLOBSTAR = GLOBSTAR
const expand = require('brace-expansion')
const plTypes = {
'!': { open: '(?:(?!(?:', close: '))[^/]*?)'},
'?': { open: '(?:', close: ')?' },
'+': { open: '(?:', close: ')+' },
'*': { open: '(?:', close: ')*' },
'@': { open: '(?:', close: ')' }
}
// any single thing other than /
// don't need to escape / when using new RegExp()
const qmark = '[^/]'
// * => any number of characters
const star = qmark + '*?'
// ** when dots are allowed. Anything goes, except .. and .
// not (^ or / followed by one or two dots followed by $ or /),
// followed by anything, any number of times.
const twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?'
// not a ^ or / followed by a dot,
// followed by anything, any number of times.
const twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?'
// "abc" -> { a:true, b:true, c:true }
const charSet = s => s.split('').reduce((set, c) => {
set[c] = true
return set
}, {})
// characters that need to be escaped in RegExp.
const reSpecials = charSet('().*{}+?[]^$\\!')
// characters that indicate we have to add the pattern start
const addPatternStartSet = charSet('[.(')
// normalizes slashes.
const slashSplit = /\/+/
minimatch.filter = (pattern, options = {}) =>
(p, i, list) => minimatch(p, pattern, options)
const ext = (a, b = {}) => {
const t = {}
Object.keys(a).forEach(k => t[k] = a[k])
Object.keys(b).forEach(k => t[k] = b[k])
return t
}
minimatch.defaults = def => {
if (!def || typeof def !== 'object' || !Object.keys(def).length) {
return minimatch
}
const orig = minimatch
const m = (p, pattern, options) => orig(p, pattern, ext(def, options))
m.Minimatch = class Minimatch extends orig.Minimatch {
constructor (pattern, options) {
super(pattern, ext(def, options))
}
}
m.Minimatch.defaults = options => orig.defaults(ext(def, options)).Minimatch
m.filter = (pattern, options) => orig.filter(pattern, ext(def, options))
m.defaults = options => orig.defaults(ext(def, options))
m.makeRe = (pattern, options) => orig.makeRe(pattern, ext(def, options))
m.braceExpand = (pattern, options) => orig.braceExpand(pattern, ext(def, options))
m.match = (list, pattern, options) => orig.match(list, pattern, ext(def, options))
return m
}
// Brace expansion:
// a{b,c}d -> abd acd
// a{b,}c -> abc ac
// a{0..3}d -> a0d a1d a2d a3d
// a{b,c{d,e}f}g -> abg acdfg acefg
// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg
//
// Invalid sets are not expanded.
// a{2..}b -> a{2..}b
// a{b}c -> a{b}c
minimatch.braceExpand = (pattern, options) => braceExpand(pattern, options)
const braceExpand = (pattern, options = {}) => {
assertValidPattern(pattern)
// Thanks to Yeting Li <https://github.com/yetingli> for
// improving this regexp to avoid a ReDOS vulnerability.
if (options.nobrace || !/\{(?:(?!\{).)*\}/.test(pattern)) {
// shortcut. no need to expand.
return [pattern]
}
return expand(pattern)
}
const MAX_PATTERN_LENGTH = 1024 * 64
const assertValidPattern = pattern => {
if (typeof pattern !== 'string') {
throw new TypeError('invalid pattern')
}
if (pattern.length > MAX_PATTERN_LENGTH) {
throw new TypeError('pattern is too long')
}
}
// parse a component of the expanded set.
// At this point, no pattern may contain "/" in it
// so we're going to return a 2d array, where each entry is the full
// pattern, split on '/', and then turned into a regular expression.
// A regexp is made at the end which joins each array with an
// escaped /, and another full one which joins each regexp with |.
//
// Following the lead of Bash 4.1, note that "**" only has special meaning
// when it is the *only* thing in a path portion. Otherwise, any series
// of * is equivalent to a single *. Globstar behavior is enabled by
// default, and can be disabled by setting options.noglobstar.
const SUBPARSE = Symbol('subparse')
minimatch.makeRe = (pattern, options) =>
new Minimatch(pattern, options || {}).makeRe()
minimatch.match = (list, pattern, options = {}) => {
const mm = new Minimatch(pattern, options)
list = list.filter(f => mm.match(f))
if (mm.options.nonull && !list.length) {
list.push(pattern)
}
return list
}
// replace stuff like \* with *
const globUnescape = s => s.replace(/\\(.)/g, '$1')
const charUnescape = s => s.replace(/\\([^-\]])/g, '$1')
const regExpEscape = s => s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&')
const braExpEscape = s => s.replace(/[[\]\\]/g, '\\$&')
class Minimatch {
constructor (pattern, options) {
assertValidPattern(pattern)
if (!options) options = {}
this.options = options
this.set = []
this.pattern = pattern
this.windowsPathsNoEscape = !!options.windowsPathsNoEscape ||
options.allowWindowsEscape === false
if (this.windowsPathsNoEscape) {
this.pattern = this.pattern.replace(/\\/g, '/')
}
this.regexp = null
this.negate = false
this.comment = false
this.empty = false
this.partial = !!options.partial
// make the set of regexps etc.
this.make()
}
debug () {}
make () {
const pattern = this.pattern
const options = this.options
// empty patterns and comments match nothing.
if (!options.nocomment && pattern.charAt(0) === '#') {
this.comment = true
return
}
if (!pattern) {
this.empty = true
return
}
// step 1: figure out negation, etc.
this.parseNegate()
// step 2: expand braces
let set = this.globSet = this.braceExpand()
if (options.debug) this.debug = (...args) => console.error(...args)
this.debug(this.pattern, set)
// step 3: now we have a set, so turn each one into a series of path-portion
// matching patterns.
// These will be regexps, except in the case of "**", which is
// set to the GLOBSTAR object for globstar behavior,
// and will not contain any / characters
set = this.globParts = set.map(s => s.split(slashSplit))
this.debug(this.pattern, set)
// glob --> regexps
set = set.map((s, si, set) => s.map(this.parse, this))
this.debug(this.pattern, set)
// filter out everything that didn't compile properly.
set = set.filter(s => s.indexOf(false) === -1)
this.debug(this.pattern, set)
this.set = set
}
parseNegate () {
if (this.options.nonegate) return
const pattern = this.pattern
let negate = false
let negateOffset = 0
for (let i = 0; i < pattern.length && pattern.charAt(i) === '!'; i++) {
negate = !negate
negateOffset++
}
if (negateOffset) this.pattern = pattern.slice(negateOffset)
this.negate = negate
}
// set partial to true to test if, for example,
// "/a/b" matches the start of "/*/b/*/d"
// Partial means, if you run out of file before you run
// out of pattern, then that's fine, as long as all
// the parts match.
matchOne (file, pattern, partial) {
var options = this.options
this.debug('matchOne',
{ 'this': this, file: file, pattern: pattern })
this.debug('matchOne', file.length, pattern.length)
for (var fi = 0,
pi = 0,
fl = file.length,
pl = pattern.length
; (fi < fl) && (pi < pl)
; fi++, pi++) {
this.debug('matchOne loop')
var p = pattern[pi]
var f = file[fi]
this.debug(pattern, p, f)
// should be impossible.
// some invalid regexp stuff in the set.
/* istanbul ignore if */
if (p === false) return false
if (p === GLOBSTAR) {
this.debug('GLOBSTAR', [pattern, p, f])
// "**"
// a/**/b/**/c would match the following:
// a/b/x/y/z/c
// a/x/y/z/b/c
// a/b/x/b/x/c
// a/b/c
// To do this, take the rest of the pattern after
// the **, and see if it would match the file remainder.
// If so, return success.
// If not, the ** "swallows" a segment, and try again.
// This is recursively awful.
//
// a/**/b/**/c matching a/b/x/y/z/c
// - a matches a
// - doublestar
// - matchOne(b/x/y/z/c, b/**/c)
// - b matches b
// - doublestar
// - matchOne(x/y/z/c, c) -> no
// - matchOne(y/z/c, c) -> no
// - matchOne(z/c, c) -> no
// - matchOne(c, c) yes, hit
var fr = fi
var pr = pi + 1
if (pr === pl) {
this.debug('** at the end')
// a ** at the end will just swallow the rest.
// We have found a match.
// however, it will not swallow /.x, unless
// options.dot is set.
// . and .. are *never* matched by **, for explosively
// exponential reasons.
for (; fi < fl; fi++) {
if (file[fi] === '.' || file[fi] === '..' ||
(!options.dot && file[fi].charAt(0) === '.')) return false
}
return true
}
// ok, let's see if we can swallow whatever we can.
while (fr < fl) {
var swallowee = file[fr]
this.debug('\nglobstar while', file, fr, pattern, pr, swallowee)
// XXX remove this slice. Just pass the start index.
if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) {
this.debug('globstar found match!', fr, fl, swallowee)
// found a match.
return true
} else {
// can't swallow "." or ".." ever.
// can only swallow ".foo" when explicitly asked.
if (swallowee === '.' || swallowee === '..' ||
(!options.dot && swallowee.charAt(0) === '.')) {
this.debug('dot detected!', file, fr, pattern, pr)
break
}
// ** swallows a segment, and continue.
this.debug('globstar swallow a segment, and continue')
fr++
}
}
// no match was found.
// However, in partial mode, we can't say this is necessarily over.
// If there's more *pattern* left, then
/* istanbul ignore if */
if (partial) {
// ran out of file
this.debug('\n>>> no match, partial?', file, fr, pattern, pr)
if (fr === fl) return true
}
return false
}
// something other than **
// non-magic patterns just have to match exactly
// patterns with magic have been turned into regexps.
var hit
if (typeof p === 'string') {
hit = f === p
this.debug('string match', p, f, hit)
} else {
hit = f.match(p)
this.debug('pattern match', p, f, hit)
}
if (!hit) return false
}
// Note: ending in / means that we'll get a final ""
// at the end of the pattern. This can only match a
// corresponding "" at the end of the file.
// If the file ends in /, then it can only match a
// a pattern that ends in /, unless the pattern just
// doesn't have any more for it. But, a/b/ should *not*
// match "a/b/*", even though "" matches against the
// [^/]*? pattern, except in partial mode, where it might
// simply not be reached yet.
// However, a/b/ should still satisfy a/*
// now either we fell off the end of the pattern, or we're done.
if (fi === fl && pi === pl) {
// ran out of pattern and filename at the same time.
// an exact hit!
return true
} else if (fi === fl) {
// ran out of file, but still had pattern left.
// this is ok if we're doing the match as part of
// a glob fs traversal.
return partial
} else /* istanbul ignore else */ if (pi === pl) {
// ran out of pattern, still have file left.
// this is only acceptable if we're on the very last
// empty segment of a file with a trailing slash.
// a/* should match a/b/
return (fi === fl - 1) && (file[fi] === '')
}
// should be unreachable.
/* istanbul ignore next */
throw new Error('wtf?')
}
braceExpand () {
return braceExpand(this.pattern, this.options)
}
parse (pattern, isSub) {
assertValidPattern(pattern)
const options = this.options
// shortcuts
if (pattern === '**') {
if (!options.noglobstar)
return GLOBSTAR
else
pattern = '*'
}
if (pattern === '') return ''
let re = ''
let hasMagic = false
let escaping = false
// ? => one single character
const patternListStack = []
const negativeLists = []
let stateChar
let inClass = false
let reClassStart = -1
let classStart = -1
let cs
let pl
let sp
// . and .. never match anything that doesn't start with .,
// even when options.dot is set. However, if the pattern
// starts with ., then traversal patterns can match.
let dotTravAllowed = pattern.charAt(0) === '.'
let dotFileAllowed = options.dot || dotTravAllowed
const patternStart = () =>
dotTravAllowed
? ''
: dotFileAllowed
? '(?!(?:^|\\/)\\.{1,2}(?:$|\\/))'
: '(?!\\.)'
const subPatternStart = (p) =>
p.charAt(0) === '.'
? ''
: options.dot
? '(?!(?:^|\\/)\\.{1,2}(?:$|\\/))'
: '(?!\\.)'
const clearStateChar = () => {
if (stateChar) {
// we had some state-tracking character
// that wasn't consumed by this pass.
switch (stateChar) {
case '*':
re += star
hasMagic = true
break
case '?':
re += qmark
hasMagic = true
break
default:
re += '\\' + stateChar
break
}
this.debug('clearStateChar %j %j', stateChar, re)
stateChar = false
}
}
for (let i = 0, c; (i < pattern.length) && (c = pattern.charAt(i)); i++) {
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
}
// 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

35
node_modules/purgecss/node_modules/minimatch/package.json generated vendored
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@ -1,35 +0,0 @@
{
"author": "Isaac Z. Schlueter <i@izs.me> (http://blog.izs.me)",
"name": "minimatch",
"description": "a glob matcher in javascript",
"publishConfig": {
"tag": "legacy-v5"
},
"version": "5.1.6",
"repository": {
"type": "git",
"url": "git://github.com/isaacs/minimatch.git"
},
"main": "minimatch.js",
"scripts": {
"test": "tap",
"snap": "tap",
"preversion": "npm test",
"postversion": "npm publish",
"prepublishOnly": "git push origin --follow-tags"
},
"engines": {
"node": ">=10"
},
"dependencies": {
"brace-expansion": "^2.0.1"
},
"devDependencies": {
"tap": "^16.3.2"
},
"license": "ISC",
"files": [
"minimatch.js",
"lib"
]
}