push all website files

website/node_modules/npm/lib/install/writable.js

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+'use strict'
+var path = require('path')
+var fs = require('fs')
+var inflight = require('inflight')
+var accessError = require('./access-error.js')
+var andIgnoreErrors = require('./and-ignore-errors.js')
+var isFsAccessAvailable = require('./is-fs-access-available.js')
+
+if (isFsAccessAvailable) {
+  module.exports = fsAccessImplementation
+} else {
+  module.exports = fsOpenImplementation
+}
+
+// exposed only for testing purposes
+module.exports.fsAccessImplementation = fsAccessImplementation
+module.exports.fsOpenImplementation = fsOpenImplementation
+
+function fsAccessImplementation (dir, done) {
+  done = inflight('writable:' + dir, done)
+  if (!done) return
+  fs.access(dir, fs.W_OK, done)
+}
+
+function fsOpenImplementation (dir, done) {
+  done = inflight('writable:' + dir, done)
+  if (!done) return
+  var tmp = path.join(dir, '.npm.check.permissions')
+  fs.open(tmp, 'w', function (er, fd) {
+    if (er) return done(accessError(dir, er))
+    fs.close(fd, function () {
+      fs.unlink(tmp, andIgnoreErrors(done))
+    })
+  })
+}