FM / rimraf

/var/www/flurhymez/node_modules/rimraf

Name	Size	Mode	Actions
bin.js	1878	0755	edit dl rm
CHANGELOG.md	1489	0644	edit dl rm
LICENSE	765	0644	edit dl rm
package.json	1675	0644	edit dl rm
README.md	3600	0644	edit dl rm
rimraf.js	8866	0644	edit dl rm

Edit: /var/www/flurhymez/node_modules/rimraf/rimraf.js (8866B)

const assert = require("assert")
const path = require("path")
const fs = require("fs")
let glob = undefined
try {
  glob = require("glob")
} catch (_err) {
  // treat glob as optional.
}

const defaultGlobOpts = {
  nosort: true,
  silent: true
}

// for EMFILE handling
let timeout = 0

const isWindows = (process.platform === "win32")

const defaults = options => {
  const methods = [
    'unlink',
    'chmod',
    'stat',
    'lstat',
    'rmdir',
    'readdir'
  ]
  methods.forEach(m => {
    options[m] = options[m] || fs[m]
    m = m + 'Sync'
    options[m] = options[m] || fs[m]
  })

options.maxBusyTries = options.maxBusyTries || 3
  options.emfileWait = options.emfileWait || 1000
  if (options.glob === false) {
    options.disableGlob = true
  }
  if (options.disableGlob !== true && glob === undefined) {
    throw Error('glob dependency not found, set `options.disableGlob = true` if intentional')
  }
  options.disableGlob = options.disableGlob || false
  options.glob = options.glob || defaultGlobOpts
}

const rimraf = (p, options, cb) => {
  if (typeof options === 'function') {
    cb = options
    options = {}
  }

assert(p, 'rimraf: missing path')
  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
  assert.equal(typeof cb, 'function', 'rimraf: callback function required')
  assert(options, 'rimraf: invalid options argument provided')
  assert.equal(typeof options, 'object', 'rimraf: options should be object')

defaults(options)

let busyTries = 0
  let errState = null
  let n = 0

const next = (er) => {
    errState = errState || er
    if (--n === 0)
      cb(errState)
  }

const afterGlob = (er, results) => {
    if (er)
      return cb(er)

n = results.length
    if (n === 0)
      return cb()

results.forEach(p => {
      const CB = (er) => {
        if (er) {
          if ((er.code === "EBUSY" || er.code === "ENOTEMPTY" || er.code === "EPERM") &&
              busyTries < options.maxBusyTries) {
            busyTries ++
            // try again, with the same exact callback as this one.
            return setTimeout(() => rimraf_(p, options, CB), busyTries * 100)
          }

// this one won't happen if graceful-fs is used.
          if (er.code === "EMFILE" && timeout < options.emfileWait) {
            return setTimeout(() => rimraf_(p, options, CB), timeout ++)
          }

// already gone
          if (er.code === "ENOENT") er = null
        }

timeout = 0
        next(er)
      }
      rimraf_(p, options, CB)
    })
  }

if (options.disableGlob || !glob.hasMagic(p))
    return afterGlob(null, [p])

options.lstat(p, (er, stat) => {
    if (!er)
      return afterGlob(null, [p])

glob(p, options.glob, afterGlob)
  })

}

// Two possible strategies.
// 1. Assume it's a file.  unlink it, then do the dir stuff on EPERM or EISDIR
// 2. Assume it's a directory.  readdir, then do the file stuff on ENOTDIR
//
// Both result in an extra syscall when you guess wrong.  However, there
// are likely far more normal files in the world than directories.  This
// is based on the assumption that a the average number of files per
// directory is >= 1.
//
// If anyone ever complains about this, then I guess the strategy could
// be made configurable somehow.  But until then, YAGNI.
const rimraf_ = (p, options, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

// sunos lets the root user unlink directories, which is... weird.
  // so we have to lstat here and make sure it's not a dir.
  options.lstat(p, (er, st) => {
    if (er && er.code === "ENOENT")
      return cb(null)

// Windows can EPERM on stat.  Life is suffering.
    if (er && er.code === "EPERM" && isWindows)
      fixWinEPERM(p, options, er, cb)

if (st && st.isDirectory())
      return rmdir(p, options, er, cb)

options.unlink(p, er => {
      if (er) {
        if (er.code === "ENOENT")
          return cb(null)
        if (er.code === "EPERM")
          return (isWindows)
            ? fixWinEPERM(p, options, er, cb)
            : rmdir(p, options, er, cb)
        if (er.code === "EISDIR")
          return rmdir(p, options, er, cb)
      }
      return cb(er)
    })
  })
}

const fixWinEPERM = (p, options, er, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

options.chmod(p, 0o666, er2 => {
    if (er2)
      cb(er2.code === "ENOENT" ? null : er)
    else
      options.stat(p, (er3, stats) => {
        if (er3)
          cb(er3.code === "ENOENT" ? null : er)
        else if (stats.isDirectory())
          rmdir(p, options, er, cb)
        else
          options.unlink(p, cb)
      })
  })
}

const fixWinEPERMSync = (p, options, er) => {
  assert(p)
  assert(options)

try {
    options.chmodSync(p, 0o666)
  } catch (er2) {
    if (er2.code === "ENOENT")
      return
    else
      throw er
  }

let stats
  try {
    stats = options.statSync(p)
  } catch (er3) {
    if (er3.code === "ENOENT")
      return
    else
      throw er
  }

if (stats.isDirectory())
    rmdirSync(p, options, er)
  else
    options.unlinkSync(p)
}

const rmdir = (p, options, originalEr, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

// try to rmdir first, and only readdir on ENOTEMPTY or EEXIST (SunOS)
  // if we guessed wrong, and it's not a directory, then
  // raise the original error.
  options.rmdir(p, er => {
    if (er && (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM"))
      rmkids(p, options, cb)
    else if (er && er.code === "ENOTDIR")
      cb(originalEr)
    else
      cb(er)
  })
}

const rmkids = (p, options, cb) => {
  assert(p)
  assert(options)
  assert(typeof cb === 'function')

options.readdir(p, (er, files) => {
    if (er)
      return cb(er)
    let n = files.length
    if (n === 0)
      return options.rmdir(p, cb)
    let errState
    files.forEach(f => {
      rimraf(path.join(p, f), options, er => {
        if (errState)
          return
        if (er)
          return cb(errState = er)
        if (--n === 0)
          options.rmdir(p, cb)
      })
    })
  })
}

// this looks simpler, and is strictly *faster*, but will
// tie up the JavaScript thread and fail on excessively
// deep directory trees.
const rimrafSync = (p, options) => {
  options = options || {}
  defaults(options)

assert(p, 'rimraf: missing path')
  assert.equal(typeof p, 'string', 'rimraf: path should be a string')
  assert(options, 'rimraf: missing options')
  assert.equal(typeof options, 'object', 'rimraf: options should be object')

let results

if (options.disableGlob || !glob.hasMagic(p)) {
    results = [p]
  } else {
    try {
      options.lstatSync(p)
      results = [p]
    } catch (er) {
      results = glob.sync(p, options.glob)
    }
  }

if (!results.length)
    return

for (let i = 0; i < results.length; i++) {
    const p = results[i]

let st
    try {
      st = options.lstatSync(p)
    } catch (er) {
      if (er.code === "ENOENT")
        return

// Windows can EPERM on stat.  Life is suffering.
      if (er.code === "EPERM" && isWindows)
        fixWinEPERMSync(p, options, er)
    }

try {
      // sunos lets the root user unlink directories, which is... weird.
      if (st && st.isDirectory())
        rmdirSync(p, options, null)
      else
        options.unlinkSync(p)
    } catch (er) {
      if (er.code === "ENOENT")
        return
      if (er.code === "EPERM")
        return isWindows ? fixWinEPERMSync(p, options, er) : rmdirSync(p, options, er)
      if (er.code !== "EISDIR")
        throw er

rmdirSync(p, options, er)
    }
  }
}

const rmdirSync = (p, options, originalEr) => {
  assert(p)
  assert(options)

try {
    options.rmdirSync(p)
  } catch (er) {
    if (er.code === "ENOENT")
      return
    if (er.code === "ENOTDIR")
      throw originalEr
    if (er.code === "ENOTEMPTY" || er.code === "EEXIST" || er.code === "EPERM")
      rmkidsSync(p, options)
  }
}

const rmkidsSync = (p, options) => {
  assert(p)
  assert(options)
  options.readdirSync(p).forEach(f => rimrafSync(path.join(p, f), options))

// We only end up here once we got ENOTEMPTY at least once, and
  // at this point, we are guaranteed to have removed all the kids.
  // So, we know that it won't be ENOENT or ENOTDIR or anything else.
  // try really hard to delete stuff on windows, because it has a
  // PROFOUNDLY annoying habit of not closing handles promptly when
  // files are deleted, resulting in spurious ENOTEMPTY errors.
  const retries = isWindows ? 100 : 1
  let i = 0
  do {
    let threw = true
    try {
      const ret = options.rmdirSync(p, options)
      threw = false
      return ret
    } finally {
      if (++i < retries && threw)
        continue
    }
  } while (true)
}

module.exports = rimraf
rimraf.sync = rimrafSync

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