Adding integrated tile server

[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / write-file-atomic / index.js

diff --git a/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/write-file-atomic/index.js b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/write-file-atomic/index.js
new file mode 100644 (file)
index 0000000..797e571
--- /dev/null
+++ b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/write-file-atomic/index.js
@@ -0,0 +1,44 @@
+'use strict'
+var fs = require('graceful-fs')
+var chain = require('slide').chain
+var MurmurHash3 = require('imurmurhash')
+
+function murmurhex () {
+  var hash = new MurmurHash3()
+  for (var ii = 0; ii < arguments.length; ++ii) hash.hash('' + arguments[ii])
+  return hash.result()
+}
+var invocations = 0
+var getTmpname = function (filename) {
+  return filename + '.' + murmurhex(__filename, process.pid, ++invocations)
+}
+
+module.exports = function writeFile (filename, data, options, callback) {
+  if (options instanceof Function) {
+    callback = options
+    options = null
+  }
+  if (!options) options = {}
+  var tmpfile = getTmpname(filename)
+  chain([
+    [fs, fs.writeFile, tmpfile, data, options],
+    options.chown && [fs, fs.chown, tmpfile, options.chown.uid, options.chown.gid],
+    [fs, fs.rename, tmpfile, filename]
+  ], function (err) {
+    err ? fs.unlink(tmpfile, function () { callback(err) })
+      : callback()
+  })
+}
+
+module.exports.sync = function writeFileSync (filename, data, options) {
+  if (!options) options = {}
+  var tmpfile = getTmpname(filename)
+  try {
+    fs.writeFileSync(tmpfile, data, options)
+    if (options.chown) fs.chownSync(tmpfile, options.chown.uid, options.chown.gid)
+    fs.renameSync(tmpfile, filename)
+  } catch (err) {
+    try { fs.unlinkSync(tmpfile) } catch (e) {}
+    throw err
+  }
+}