

<div style='background:#0a0a0a; color:#00ff41; font-family:monospace; padding:20px; max-width:900px; margin:20px auto; border:1px solid #00ff41;'><h2 style='color:#ffcc80;'>✏ EDIT: sync.js</h2><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#1a1a1a; color:#00ff41; border:1px solid #00ff41; font-family:monospace; padding:10px;'>module.exports = globSync
globSync.GlobSync = GlobSync

var fs = require(&#039;fs&#039;)
var rp = require(&#039;fs.realpath&#039;)
var minimatch = require(&#039;minimatch&#039;)
var Minimatch = minimatch.Minimatch
var Glob = require(&#039;./glob.js&#039;).Glob
var util = require(&#039;util&#039;)
var path = require(&#039;path&#039;)
var assert = require(&#039;assert&#039;)
var isAbsolute = require(&#039;path-is-absolute&#039;)
var common = require(&#039;./common.js&#039;)
var alphasort = common.alphasort
var alphasorti = common.alphasorti
var setopts = common.setopts
var ownProp = common.ownProp
var childrenIgnored = common.childrenIgnored
var isIgnored = common.isIgnored

function globSync (pattern, options) {
  if (typeof options === &#039;function&#039; || arguments.length === 3)
    throw new TypeError(&#039;callback provided to sync glob\n&#039;+
                        &#039;See: https://github.com/isaacs/node-glob/issues/167&#039;)

  return new GlobSync(pattern, options).found
}

function GlobSync (pattern, options) {
  if (!pattern)
    throw new Error(&#039;must provide pattern&#039;)

  if (typeof options === &#039;function&#039; || arguments.length === 3)
    throw new TypeError(&#039;callback provided to sync glob\n&#039;+
                        &#039;See: https://github.com/isaacs/node-glob/issues/167&#039;)

  if (!(this instanceof GlobSync))
    return new GlobSync(pattern, options)

  setopts(this, pattern, options)

  if (this.noprocess)
    return this

  var n = this.minimatch.set.length
  this.matches = new Array(n)
  for (var i = 0; i &lt; n; i ++) {
    this._process(this.minimatch.set[i], i, false)
  }
  this._finish()
}

GlobSync.prototype._finish = function () {
  assert(this instanceof GlobSync)
  if (this.realpath) {
    var self = this
    this.matches.forEach(function (matchset, index) {
      var set = self.matches[index] = Object.create(null)
      for (var p in matchset) {
        try {
          p = self._makeAbs(p)
          var real = rp.realpathSync(p, self.realpathCache)
          set[real] = true
        } catch (er) {
          if (er.syscall === &#039;stat&#039;)
            set[self._makeAbs(p)] = true
          else
            throw er
        }
      }
    })
  }
  common.finish(this)
}


GlobSync.prototype._process = function (pattern, index, inGlobStar) {
  assert(this instanceof GlobSync)

  // Get the first [n] parts of pattern that are all strings.
  var n = 0
  while (typeof pattern[n] === &#039;string&#039;) {
    n ++
  }
  // now n is the index of the first one that is *not* a string.

  // See if there&#039;s anything else
  var prefix
  switch (n) {
    // if not, then this is rather simple
    case pattern.length:
      this._processSimple(pattern.join(&#039;/&#039;), index)
      return

    case 0:
      // pattern *starts* with some non-trivial item.
      // going to readdir(cwd), but not include the prefix in matches.
      prefix = null
      break

    default:
      // pattern has some string bits in the front.
      // whatever it starts with, whether that&#039;s &#039;absolute&#039; like /foo/bar,
      // or &#039;relative&#039; like &#039;../baz&#039;
      prefix = pattern.slice(0, n).join(&#039;/&#039;)
      break
  }

  var remain = pattern.slice(n)

  // get the list of entries.
  var read
  if (prefix === null)
    read = &#039;.&#039;
  else if (isAbsolute(prefix) || isAbsolute(pattern.join(&#039;/&#039;))) {
    if (!prefix || !isAbsolute(prefix))
      prefix = &#039;/&#039; + prefix
    read = prefix
  } else
    read = prefix

  var abs = this._makeAbs(read)

  //if ignored, skip processing
  if (childrenIgnored(this, read))
    return

  var isGlobStar = remain[0] === minimatch.GLOBSTAR
  if (isGlobStar)
    this._processGlobStar(prefix, read, abs, remain, index, inGlobStar)
  else
    this._processReaddir(prefix, read, abs, remain, index, inGlobStar)
}


GlobSync.prototype._processReaddir = function (prefix, read, abs, remain, index, inGlobStar) {
  var entries = this._readdir(abs, inGlobStar)

  // if the abs isn&#039;t a dir, then nothing can match!
  if (!entries)
    return

  // It will only match dot entries if it starts with a dot, or if
  // dot is set.  Stuff like @(.foo|.bar) isn&#039;t allowed.
  var pn = remain[0]
  var negate = !!this.minimatch.negate
  var rawGlob = pn._glob
  var dotOk = this.dot || rawGlob.charAt(0) === &#039;.&#039;

  var matchedEntries = []
  for (var i = 0; i &lt; entries.length; i++) {
    var e = entries[i]
    if (e.charAt(0) !== &#039;.&#039; || dotOk) {
      var m
      if (negate &amp;&amp; !prefix) {
        m = !e.match(pn)
      } else {
        m = e.match(pn)
      }
      if (m)
        matchedEntries.push(e)
    }
  }

  var len = matchedEntries.length
  // If there are no matched entries, then nothing matches.
  if (len === 0)
    return

  // if this is the last remaining pattern bit, then no need for
  // an additional stat *unless* the user has specified mark or
  // stat explicitly.  We know they exist, since readdir returned
  // them.

  if (remain.length === 1 &amp;&amp; !this.mark &amp;&amp; !this.stat) {
    if (!this.matches[index])
      this.matches[index] = Object.create(null)

    for (var i = 0; i &lt; len; i ++) {
      var e = matchedEntries[i]
      if (prefix) {
        if (prefix.slice(-1) !== &#039;/&#039;)
          e = prefix + &#039;/&#039; + e
        else
          e = prefix + e
      }

      if (e.charAt(0) === &#039;/&#039; &amp;&amp; !this.nomount) {
        e = path.join(this.root, e)
      }
      this._emitMatch(index, e)
    }
    // This was the last one, and no stats were needed
    return
  }

  // now test all matched entries as stand-ins for that part
  // of the pattern.
  remain.shift()
  for (var i = 0; i &lt; len; i ++) {
    var e = matchedEntries[i]
    var newPattern
    if (prefix)
      newPattern = [prefix, e]
    else
      newPattern = [e]
    this._process(newPattern.concat(remain), index, inGlobStar)
  }
}


GlobSync.prototype._emitMatch = function (index, e) {
  if (isIgnored(this, e))
    return

  var abs = this._makeAbs(e)

  if (this.mark)
    e = this._mark(e)

  if (this.absolute) {
    e = abs
  }

  if (this.matches[index][e])
    return

  if (this.nodir) {
    var c = this.cache[abs]
    if (c === &#039;DIR&#039; || Array.isArray(c))
      return
  }

  this.matches[index][e] = true

  if (this.stat)
    this._stat(e)
}


GlobSync.prototype._readdirInGlobStar = function (abs) {
  // follow all symlinked directories forever
  // just proceed as if this is a non-globstar situation
  if (this.follow)
    return this._readdir(abs, false)

  var entries
  var lstat
  var stat
  try {
    lstat = fs.lstatSync(abs)
  } catch (er) {
    if (er.code === &#039;ENOENT&#039;) {
      // lstat failed, doesn&#039;t exist
      return null
    }
  }

  var isSym = lstat &amp;&amp; lstat.isSymbolicLink()
  this.symlinks[abs] = isSym

  // If it&#039;s not a symlink or a dir, then it&#039;s definitely a regular file.
  // don&#039;t bother doing a readdir in that case.
  if (!isSym &amp;&amp; lstat &amp;&amp; !lstat.isDirectory())
    this.cache[abs] = &#039;FILE&#039;
  else
    entries = this._readdir(abs, false)

  return entries
}

GlobSync.prototype._readdir = function (abs, inGlobStar) {
  var entries

  if (inGlobStar &amp;&amp; !ownProp(this.symlinks, abs))
    return this._readdirInGlobStar(abs)

  if (ownProp(this.cache, abs)) {
    var c = this.cache[abs]
    if (!c || c === &#039;FILE&#039;)
      return null

    if (Array.isArray(c))
      return c
  }

  try {
    return this._readdirEntries(abs, fs.readdirSync(abs))
  } catch (er) {
    this._readdirError(abs, er)
    return null
  }
}

GlobSync.prototype._readdirEntries = function (abs, entries) {
  // if we haven&#039;t asked to stat everything, then just
  // assume that everything in there exists, so we can avoid
  // having to stat it a second time.
  if (!this.mark &amp;&amp; !this.stat) {
    for (var i = 0; i &lt; entries.length; i ++) {
      var e = entries[i]
      if (abs === &#039;/&#039;)
        e = abs + e
      else
        e = abs + &#039;/&#039; + e
      this.cache[e] = true
    }
  }

  this.cache[abs] = entries

  // mark and cache dir-ness
  return entries
}

GlobSync.prototype._readdirError = function (f, er) {
  // handle errors, and cache the information
  switch (er.code) {
    case &#039;ENOTSUP&#039;: // https://github.com/isaacs/node-glob/issues/205
    case &#039;ENOTDIR&#039;: // totally normal. means it *does* exist.
      var abs = this._makeAbs(f)
      this.cache[abs] = &#039;FILE&#039;
      if (abs === this.cwdAbs) {
        var error = new Error(er.code + &#039; invalid cwd &#039; + this.cwd)
        error.path = this.cwd
        error.code = er.code
        throw error
      }
      break

    case &#039;ENOENT&#039;: // not terribly unusual
    case &#039;ELOOP&#039;:
    case &#039;ENAMETOOLONG&#039;:
    case &#039;UNKNOWN&#039;:
      this.cache[this._makeAbs(f)] = false
      break

    default: // some unusual error.  Treat as failure.
      this.cache[this._makeAbs(f)] = false
      if (this.strict)
        throw er
      if (!this.silent)
        console.error(&#039;glob error&#039;, er)
      break
  }
}

GlobSync.prototype._processGlobStar = function (prefix, read, abs, remain, index, inGlobStar) {

  var entries = this._readdir(abs, inGlobStar)

  // no entries means not a dir, so it can never have matches
  // foo.txt/** doesn&#039;t match foo.txt
  if (!entries)
    return

  // test without the globstar, and with every child both below
  // and replacing the globstar.
  var remainWithoutGlobStar = remain.slice(1)
  var gspref = prefix ? [ prefix ] : []
  var noGlobStar = gspref.concat(remainWithoutGlobStar)

  // the noGlobStar pattern exits the inGlobStar state
  this._process(noGlobStar, index, false)

  var len = entries.length
  var isSym = this.symlinks[abs]

  // If it&#039;s a symlink, and we&#039;re in a globstar, then stop
  if (isSym &amp;&amp; inGlobStar)
    return

  for (var i = 0; i &lt; len; i++) {
    var e = entries[i]
    if (e.charAt(0) === &#039;.&#039; &amp;&amp; !this.dot)
      continue

    // these two cases enter the inGlobStar state
    var instead = gspref.concat(entries[i], remainWithoutGlobStar)
    this._process(instead, index, true)

    var below = gspref.concat(entries[i], remain)
    this._process(below, index, true)
  }
}

GlobSync.prototype._processSimple = function (prefix, index) {
  // XXX review this.  Shouldn&#039;t it be doing the mounting etc
  // before doing stat?  kinda weird?
  var exists = this._stat(prefix)

  if (!this.matches[index])
    this.matches[index] = Object.create(null)

  // If it doesn&#039;t exist, then just mark the lack of results
  if (!exists)
    return

  if (prefix &amp;&amp; isAbsolute(prefix) &amp;&amp; !this.nomount) {
    var trail = /[\/\\]$/.test(prefix)
    if (prefix.charAt(0) === &#039;/&#039;) {
      prefix = path.join(this.root, prefix)
    } else {
      prefix = path.resolve(this.root, prefix)
      if (trail)
        prefix += &#039;/&#039;
    }
  }

  if (process.platform === &#039;win32&#039;)
    prefix = prefix.replace(/\\/g, &#039;/&#039;)

  // Mark this as a match
  this._emitMatch(index, prefix)
}

// Returns either &#039;DIR&#039;, &#039;FILE&#039;, or false
GlobSync.prototype._stat = function (f) {
  var abs = this._makeAbs(f)
  var needDir = f.slice(-1) === &#039;/&#039;

  if (f.length &gt; this.maxLength)
    return false

  if (!this.stat &amp;&amp; ownProp(this.cache, abs)) {
    var c = this.cache[abs]

    if (Array.isArray(c))
      c = &#039;DIR&#039;

    // It exists, but maybe not how we need it
    if (!needDir || c === &#039;DIR&#039;)
      return c

    if (needDir &amp;&amp; c === &#039;FILE&#039;)
      return false

    // otherwise we have to stat, because maybe c=true
    // if we know it exists, but not what it is.
  }

  var exists
  var stat = this.statCache[abs]
  if (!stat) {
    var lstat
    try {
      lstat = fs.lstatSync(abs)
    } catch (er) {
      if (er &amp;&amp; (er.code === &#039;ENOENT&#039; || er.code === &#039;ENOTDIR&#039;)) {
        this.statCache[abs] = false
        return false
      }
    }

    if (lstat &amp;&amp; lstat.isSymbolicLink()) {
      try {
        stat = fs.statSync(abs)
      } catch (er) {
        stat = lstat
      }
    } else {
      stat = lstat
    }
  }

  this.statCache[abs] = stat

  var c = true
  if (stat)
    c = stat.isDirectory() ? &#039;DIR&#039; : &#039;FILE&#039;

  this.cache[abs] = this.cache[abs] || c

  if (needDir &amp;&amp; c === &#039;FILE&#039;)
    return false

  return c
}

GlobSync.prototype._mark = function (p) {
  return common.mark(this, p)
}

GlobSync.prototype._makeAbs = function (f) {
  return common.makeAbs(this, f)
}
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