add editorconfig & jshint.

.editorconfig

@@ -0,0 +1,13 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.jshintrc

@@ -0,0 +1,20 @@
+{
+  "bitwise": true,
+  "camelcase": true,
+  "curly": true,
+  "eqeqeq": true,
+  "esnext": true,
+  "freeze": true,
+  "immed": true,
+  "indent": 2,
+  "latedef": "nofunc",
+  "maxlen": 80,
+  "newcap": true,
+  "node": true,
+  "noarg": true,
+  "quotmark": "single",
+  "strict": true,
+  "trailing": true,
+  "undef": true,
+  "unused": true
+}

CONTRIBUTORS

@@ -13,4 +13,5 @@
 
 Burcu Dogan <jbd@google.com>
 Johan Euphrosine <proppy@google.com>
-Silvano Luciani <silvano@google.com>
+Silvano Luciani <silvano@google.com>
+Stephen Sawchuk <sawchuk@gmail.com>

lib/common/connection.js

@@ -14,13 +14,19 @@
  * limitations under the License.
  */
 
-var GAPIToken = require('gapitoken'),
-  async = require('async'),
-  req = require('request'),
-  pkg = require('../../package.json');
+/*jshint camelcase:false */
 
-var USER_AGENT = 'gcloud-node/' + pkg.version,
-    METADATA_TOKEN_URL = 'http://metadata/computeMetadata/v1/instance/service-accounts/default/token';
+'use strict';
+
+var GAPIToken = require('gapitoken');
+var req = require('request');
+var pkg = require('../../package.json');
+var util = require('./util');
+
+var METADATA_TOKEN_URL =
+    'http://metadata/computeMetadata/v1/instance/service-accounts/default/' +
+    'token';
+var USER_AGENT = 'gcloud-node/' + pkg.version;
 
 /**
  * Token represents an access token
@@ -48,8 +54,10 @@ Token.prototype.isExpired = function() {
  */
 function Connection(opts) {
   var credentials = opts.keyFilename && require(opts.keyFilename) || {};
-  this.email = credentials['client_email']; // client email for the service account
-  this.privateKey = credentials['private_key']; // contains the contents of a pem file
+  // client email for the service account
+  this.email = credentials.client_email;
+  // contains the contents of a pem file
+  this.privateKey = credentials.private_key;
 
   this.scopes = opts.scopes || [];
   this.token = null; // existing access token, if exists
@@ -84,7 +92,6 @@ Connection.prototype.connect = function(callback) {
  * @param  {Function} callback Callback function.
  */
 Connection.prototype.fetchToken = function(callback) {
-  var that = this;
   if (!this.email || !this.privateKey) {
     // We should be on GCE, try to retrieve token from
     // the metadata from server.
@@ -113,7 +120,7 @@ Connection.prototype.fetchToken = function(callback) {
     if (err) {
       return callback(err);
     }
-    gapi.getToken(function(err, t) {
+    gapi.getToken(function(err) {
       if (err) {
         return callback(err);
       }
@@ -127,41 +134,52 @@ Connection.prototype.fetchToken = function(callback) {
  * Makes an authorized request if the current connection token is
  * still valid. Tries to reconnect and makes a request otherwise.
  * @param  {Object}    Request options.
- * @param  {Function=} opt_callback
+ * @param  {Function=} callback
  */
-Connection.prototype.req = function(reqOpts, opt_callback) {
+Connection.prototype.req = function(reqOpts, callback) {
   var that = this;
+  callback = callback || util.noop;
   this.createAuthorizedReq(reqOpts, function(err, authorizedReq) {
     if (err) {
-      opt_callback && opt_callback(err);
+      callback(err);
       return;
     }
-    that.requester(authorizedReq, opt_callback);
+    that.requester(authorizedReq, callback);
   });
 };
 
-Connection.prototype.createAuthorizedReq = function(reqOpts, opt_callback) {
+Connection.prototype.createAuthorizedReq = function(reqOpts, callback) {
   var that = this;
   // Add user agent.
   reqOpts.headers = reqOpts.headers || {};
-  reqOpts.headers['User-Agent'] = reqOpts.headers['User-Agent'] ?
-      reqOpts.headers['User-Agent'] + '; ' + USER_AGENT : USER_AGENT;
+
+  if (reqOpts.headers['User-Agent']) {
+    reqOpts.headers['User-Agent'] += '; ' + USER_AGENT;
+  } else {
+    reqOpts.headers['User-Agent'] = USER_AGENT;
+  }
 
   if (this.isConnected()) {
-    return opt_callback && opt_callback(null, this.authorizeReq(reqOpts));
+    return callback(null, this.authorizeReq(reqOpts));
   }
   if (this.isConnecting) {
     this.waitQueue = this.waitQueue || [];
-    this.waitQueue.push({ req: reqOpts, cb: opt_callback });
+    this.waitQueue.push({ req: reqOpts, cb: callback });
     return;
   }
   this.connect(function(err) {
-    that.waitQueue.push({ req: reqOpts, cb: opt_callback });
+    that.waitQueue.push({ req: reqOpts, cb: callback });
     that.waitQueue.forEach(function(v) {
+      if (!v.cb) {
+        return;
+      }
+
       if (err) {
-        return v.cb && v.cb(err);
+        v.cb(err);
+        return;
       }
-      v.cb && v.cb(null, that.authorizeReq(v.req));
+
+      v.cb(null, that.authorizeReq(v.req));
     });
     that.waitQueue = [];
   });
@@ -189,7 +207,7 @@ Connection.prototype.isConnected = function() {
 Connection.prototype.authorizeReq = function(reqOpts) {
   // TODO(jbd): Clone the request object.
   reqOpts.headers = reqOpts.headers || {};
-  reqOpts.headers['Authorization'] = 'Bearer ' + this.token.accessToken;
+  reqOpts.headers.Authorization = 'Bearer ' + this.token.accessToken;
   return reqOpts;
 };
 

lib/common/util.js

@@ -14,26 +14,30 @@
  * limitations under the License.
  */
 
+/*jshint strict:false, noarg:false */
+
 var util = require('util');
 
-module.exports.extend = function(from, to) {
-  if (from == null || typeof from != "object") {
+function extend(from, to) {
+  if (from === null || typeof from !== 'object') {
     return from;
   }
-  if (from.constructor != Object && from.constructor != Array) {
+  if (from.constructor !== Object && from.constructor !== Array) {
     return from;
   }
-  if (from.constructor == Date || from.constructor == Function ||
-      from.constructor == String || from.constructor == Number ||
-      from.constructor == Boolean) {
+  if (from.constructor === Date || from.constructor === Function ||
+      from.constructor === String || from.constructor === Number ||
+      from.constructor === Boolean) {
     return new from.constructor(from);
   }
   to = to || new from.constructor();
   for (var name in from) {
     to[name] = to[name] ? extend(from[name], null) : to[name];
   }
   return to;
-};
+}
+
+module.exports.extend = extend;
 
 module.exports.arrayize = function(input) {
   if (!Array.isArray(input)) {
@@ -59,12 +63,12 @@ function ApiError (errorBody) {
   this.errors = errorBody.errors;
   this.code = errorBody.code;
   this.message = errorBody.message;
-};
+}
 
 util.inherits(ApiError, Error);
 
-module.exports.handleResp = function(err, resp, body, opt_callback) {
-  var callback = opt_callback || noop;
+module.exports.handleResp = function(err, resp, body, callback) {
+  callback = callback || noop;
   if (err) {
     callback(err);
     return;

lib/datastore/entity.js

@@ -14,9 +14,12 @@
  * limitations under the License.
  */
 
-var entityMeta = {};
+'use strict';
 
-var namespaceRegex = kindRegex = fieldNameRegex = new RegExp(/^[A-Za-z]*$/);
+var entityMeta = {};
+var fieldNameRegex = /^[A-Za-z]*$/;
+var kindRegex = /^[A-Za-z]*$/;
+var namespaceRegex = /^[A-Za-z]*$/;
 
 /**
  * Conversion dict for query operation to operation proto value.
@@ -46,7 +49,7 @@ function Int(val) {
 
 Int.prototype.get = function() {
   return this.val;
-}
+};
 
 module.exports.Int = Int;
 
@@ -56,10 +59,24 @@ function Double(val) {
 
 Double.prototype.get = function() {
   return this.val;
-}
+};
 
 module.exports.Double = Double;
 
+/**
+ * Converts any entity proto to a plain object.
+ */
+var entityFromEntityProto = function(proto) {
+  // TODO(jbd): Use registered metadata if provided.
+  return propertiesToObject(proto.properties);
+};
+
+/**
+ * Exports entityFromEntityProto.
+ * @type {Function}
+ */
+module.exports.entityFromEntityProto = entityFromEntityProto;
+
 var keyFromKeyProto = function(proto) {
   var key = [];
   if (proto.partitionId.namespace) {
@@ -76,21 +93,26 @@ module.exports.keyFromKeyProto = keyFromKeyProto;
 
 var keyToKeyProto = function(datasetId, key) {
   if (key.length < 2) {
-    throw new Error("A key should contain at least a kind and an identifier.")
+    throw new Error('A key should contain at least a kind and an identifier.');
   }
-  var namespace = null, start = 0;
-  if (key.length % 2 == 1) {
+  var namespace = null;
+  var start = 0;
+  if (key.length % 2 === 1) {
     // the first item is the namespace
     namespace = key[0];
     start = 1;
   }
   var path = [];
   for (var i = start; i < (key.length - start); i += 2) {
-    var p = { kind: key[i] }, val = key[i+1];
+    var p = { kind: key[i] };
+    var val = key[i+1];
     if (val) {
       // if not numeric, set key name.
-      if (isNaN(val)) { p.name = val; }
-      else { p.id = val; }
+      if (isNaN(val)) {
+        p.name = val;
+      } else {
+        p.id = val;
+      }
     }
     path.push(p);
   }
@@ -111,7 +133,7 @@ var keyToKeyProto = function(datasetId, key) {
 module.exports.keyToKeyProto = keyToKeyProto;
 
 module.exports.formatArray = function(results) {
-  return results.map(function (result) {
+  return results.map(function(result) {
     return {
       key: keyFromKeyProto(result.entity.key),
       data: entityFromEntityProto(result.entity)
@@ -159,7 +181,7 @@ function propertyToValue(property) {
       }
       return l;
   }
-};
+}
 
 function propertiesToObject(properties) {
   properties = properties || [];
@@ -168,21 +190,7 @@ function propertiesToObject(properties) {
     obj[name] = propertyToValue(properties[name]);
   }
   return obj;
-};
-
-/**
- * Converts any entity proto to a plain object.
- */
-var entityFromEntityProto = function(proto) {
-  // TODO(jbd): Use registered metadata if provided.
-  return propertiesToObject(proto.properties);
-};
-
-/**
- * Exports entityFromEntityProto.
- * @type {Function}
- */
-module.exports.entityFromEntityProto = entityFromEntityProto;
+}
 
 /**
  * Convert any object to property value.
@@ -237,7 +245,7 @@ function valueToProperty(v) {
     p.entityValue = { properties: properties };
     return p;
   }
-  throw new Error('Unsupported field value, ' + v + ', is provided.')
+  throw new Error('Unsupported field value, ' + v + ', is provided.');
 }
 
 /**
@@ -385,11 +393,11 @@ function validateField(name, field) {
   if (!field.kind) {
     throw new Error('Provide a kind for field ' + name);
   }
-  if (typeof field.kind != 'object' &&
-      !primitiveKinds.indexOf(field.kind) < 0) {
+  if (typeof field.kind !== 'object' &&
+      primitiveKinds.indexOf(field.kind) === -1) {
     throw new Error('Unknown kind for field ' + name);
   }
-  if (typeof field.kind == 'object') {
+  if (typeof field.kind === 'object') {
     Object.keys(field.key).forEach(function(key) {
       validateField(key, field.key[key]);
     });
@@ -406,4 +414,4 @@ module.exports.registerKind = registerKind;
  * Exports getKind.
  * @type {function}
  */
-module.exports.getKind = getKind
+module.exports.getKind = getKind;