Adding integrated tile server

[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / fs-vacuum / vacuum.js

diff --git a/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fs-vacuum/vacuum.js b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fs-vacuum/vacuum.js
new file mode 100644 (file)
index 0000000..1fb674d
--- /dev/null
+++ b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/fs-vacuum/vacuum.js
@@ -0,0 +1,112 @@
+var assert = require('assert')
+var dirname = require('path').dirname
+var resolve = require('path').resolve
+var isInside = require('path-is-inside')
+
+var rimraf = require('rimraf')
+var lstat = require('graceful-fs').lstat
+var readdir = require('graceful-fs').readdir
+var rmdir = require('graceful-fs').rmdir
+var unlink = require('graceful-fs').unlink
+
+module.exports = vacuum
+
+function vacuum (leaf, options, cb) {
+  assert(typeof leaf === 'string', 'must pass in path to remove')
+  assert(typeof cb === 'function', 'must pass in callback')
+
+  if (!options) options = {}
+  assert(typeof options === 'object', 'options must be an object')
+
+  var log = options.log ? options.log : function () {}
+
+  leaf = leaf && resolve(leaf)
+  var base = options.base && resolve(options.base)
+  if (base && !isInside(leaf, base)) {
+    return cb(new Error(leaf + ' is not a child of ' + base))
+  }
+
+  lstat(leaf, function (error, stat) {
+    if (error) {
+      if (error.code === 'ENOENT') return cb(null)
+
+      log(error.stack)
+      return cb(error)
+    }
+
+    if (!(stat && (stat.isDirectory() || stat.isSymbolicLink() || stat.isFile()))) {
+      log(leaf, 'is not a directory, file, or link')
+      return cb(new Error(leaf + ' is not a directory, file, or link'))
+    }
+
+    if (options.purge) {
+      log('purging', leaf)
+      rimraf(leaf, function (error) {
+        if (error) return cb(error)
+
+        next(dirname(leaf))
+      })
+    } else if (!stat.isDirectory()) {
+      log('removing', leaf)
+      unlink(leaf, function (error) {
+        if (error) return cb(error)
+
+        next(dirname(leaf))
+      })
+    } else {
+      next(leaf)
+    }
+  })
+
+  function next (branch) {
+    branch = branch && resolve(branch)
+    // either we've reached the base or we've reached the root
+    if ((base && branch === base) || branch === dirname(branch)) {
+      log('finished vacuuming up to', branch)
+      return cb(null)
+    }
+
+    readdir(branch, function (error, files) {
+      if (error) {
+        if (error.code === 'ENOENT') return cb(null)
+
+        log('unable to check directory', branch, 'due to', error.message)
+        return cb(error)
+      }
+
+      if (files.length > 0) {
+        log('quitting because other entries in', branch)
+        return cb(null)
+      }
+
+      log('removing', branch)
+      lstat(branch, function (error, stat) {
+        if (error) {
+          if (error.code === 'ENOENT') return cb(null)
+
+          log('unable to lstat', branch, 'due to', error.message)
+          return cb(error)
+        }
+
+        var remove = stat.isDirectory() ? rmdir : unlink
+        remove(branch, function (error) {
+          if (error) {
+            if (error.code === 'ENOENT') {
+              log('quitting because lost the race to remove', branch)
+              return cb(null)
+            }
+            if (error.code === 'ENOTEMPTY' || error.code === 'EEXIST') {
+              log('quitting because new (racy) entries in', branch)
+              return cb(null)
+            }
+
+            log('unable to remove', branch, 'due to', error.message)
+            return cb(error)
+          }
+
+          next(dirname(branch))
+        })
+      })
+    })
+  }
+}