eslint config 2.0 + remove extra empty lines

Upgrade eslint-config-loopback to ^2.0.0.

Remove extra empty lines to make `npm run lint` pass again.

[back-port of #909]

examples/app-noschema.js

@@ -82,5 +82,3 @@ User.create(user, function(err, u1) {
     console.log('Found: ', u2.toObject());
   });
 });
-
-

examples/app.js

@@ -41,7 +41,3 @@ console.log(modelBuilder.definitions);
 User.mixin(Group);
 var user = new User({ name: 'Ray', group: 'Admin' });
 console.log(user);
-
-
-
-

lib/connectors/memory.js

@@ -482,7 +482,6 @@ function applyFilter(filter) {
         });
       }
 
-
       if (test(where[key], value)) {
         return true;
       }

lib/dao.js

@@ -2970,7 +2970,6 @@ DataAccessObject.prototype.reload = function reload(cb) {
   return this.constructor.findById(getIdValue(this.constructor, this), cb);
 };
 
-
 /*
  * Define readonly property on object
  *

lib/include.js

@@ -697,7 +697,6 @@ Inclusion.include = function(objects, include, options, cb) {
       }
     }
 
-
     /**
      * Handle Inclusion of Polymorphic HasOne relation
      * @param callback
@@ -827,7 +826,6 @@ Inclusion.include = function(objects, include, options, cb) {
       }
     }
 
-
     /**
      * Handle Inclusion of EmbedsMany/EmbedsManyWithBelongsTo/EmbedsOne
      * Relations. Since Embedded docs are part of parents, no need to make

lib/include_utils.js

@@ -38,7 +38,6 @@ function buildOneToManyIdentityMapWithOrigKeys(objs, idName) {
   return kvMap;
 }
 
-
 /**
  * Yeah, it joins. You need three things id -> obj1 map, id -> [obj2] map and merge function.
  * This functions will take each obj1, locate all data to join in map2 and call merge function.
@@ -56,7 +55,6 @@ function join(oneToOneIdMap, oneToManyIdMap, mergeF) {
   }
 }
 
-
 /**
  * Map with arbitrary keys and values. User .set() and .get() to work with values instead of []
  * @returns {{set: Function, get: Function, remove: Function, exist: Function, getKeys: Function}}

lib/introspection.js

@@ -63,5 +63,3 @@ module.exports = function getIntrospector(ModelBuilder) {
   ModelBuilder.introspect = introspectType;
   return introspectType;
 };
-
-

lib/relation-definition.js

@@ -818,7 +818,6 @@ HasMany.prototype.exists = function(fkId, options, cb) {
   var modelInstance = this.modelInstance;
   cb = cb || utils.createPromiseCallback();
 
-
   this.findById(fkId, function(err, inst) {
     if (err) {
       return cb(err);
@@ -1052,8 +1051,6 @@ HasManyThrough.prototype.create = function create(data, options, cb) {
   return cb.promise;
 };
 
-
-
 /**
  * Add the target model instance to the 'hasMany' relation
  * @param {Object|ID} acInst The actual instance or id value
@@ -1189,7 +1186,6 @@ HasManyThrough.prototype.remove = function(acInst, options, cb) {
   return cb.promise;
 };
 
-
 /**
  * Declare "belongsTo" relation that sets up a one-to-one connection with
  * another model, such that each instance of the declaring model "belongs to"
@@ -1514,7 +1510,6 @@ BelongsTo.prototype.related = function(condOrRefresh, options, cb) {
   }
 };
 
-
 /**
  * Define a Promise-based method for the belongsTo relation itself
  * - order.customer.get(cb): Load the target model instance asynchronously
@@ -1533,7 +1528,6 @@ BelongsTo.prototype.getAsync = function(options, cb) {
   return cb.promise;
 };
 
-
 /**
  * A hasAndBelongsToMany relation creates a direct many-to-many connection with
  * another model, with no intervening model. For example, if your application
@@ -2444,7 +2438,6 @@ EmbedsMany.prototype.related = function(receiver, scopeParams, condOrRefresh, op
     actualCond = condOrRefresh;
   }
 
-
   var embeddedList = this.embeddedList(receiver);
 
   this.definition.applyScope(receiver, actualCond);

lib/transaction.js

@@ -182,5 +182,3 @@ if (Transaction) {
 }
 
 TransactionMixin.Transaction = Transaction;
-
-

support/describe-operation-hooks.js

@@ -110,7 +110,6 @@ operations.forEach(function(op) {
 
 p.then(report, function(err) { console.error(err.stack); });
 
-
 function createOptimizedDataSource() {
   var ds = new DataSource({ connector: Memory });
   ds.name = 'Optimized';

test/basic-querying.test.js

@@ -447,7 +447,6 @@ describe('basic-querying', function() {
       });
     });
 
-
     it('should only include fields as specified', function(done) {
       var remaining = 0;
 

test/hooks.test.js

@@ -439,8 +439,6 @@ describe('hooks', function() {
   });
 });
 
-
-
 function addHooks(name, done) {
   var called = false, random = String(Math.floor(Math.random() * 1000));
   User['before' + name] = function(next, data) {

test/include.test.js

@@ -418,7 +418,6 @@ describe('include', function() {
     });
   });
 
-
   // Not implemented correctly, see: loopback-datasource-juggler/issues/166
   // fixed by DB optimization
   it('should support include scope on hasAndBelongsToMany', function(done) {
@@ -579,7 +578,6 @@ describe('include', function() {
       });
     });
 
-
     it('should not make n+1 db calls in relation syntax',
       function(done) {
         var self = this;

test/include_util.test.js

@@ -75,7 +75,6 @@ describe('include_util', function() {
   });
 });
 
-
 describe('KVMap', function() {
   it('should allow to set and get value with key string', function() {
     var map = new includeUtils.KVMap();

test/loopback-dl.test.js

@@ -735,7 +735,6 @@ describe('Load models with base', function() {
     u.should.have.property('email', 'x@y.com');
   });
 
-
   it('should set up base class via parent arg', function() {
     var ds = new ModelBuilder();
 

test/manipulation.test.js

@@ -1448,7 +1448,6 @@ describe('manipulation', function() {
       });
     });
 
-
     describe('uuidv4 defaultFn', function() {
       var CustomModel;
 

test/memory.test.js

@@ -730,7 +730,6 @@ describe('Memory connector', function() {
     });
   });
 
-
   describe('automigrate when NO models are attached', function() {
     var ds;
     beforeEach(function() {
@@ -988,5 +987,3 @@ describe('Memory connector with observers', function() {
     });
   });
 });
-
-

test/persistence-hooks.suite.js

@@ -3006,7 +3006,6 @@ module.exports = function(dataSource, should, connectorCapabilities) {
     }
   });
 
-
   function get(propertyName) {
     return function(obj) {
       return obj[propertyName];

test/relations.test.js

@@ -1263,7 +1263,6 @@ describe('relations', function() {
       db.automigrate(['User', 'Follow'], done);
     });
 
-
     it('should set foreignKeys of through model correctly in first relation',
       function(done) {
         var follower = new User({ id: 1 });
@@ -3181,7 +3180,6 @@ describe('relations', function() {
     });
   });
 
-
   describe('hasMany with primaryKey different from model PK', function() {
     var Employee, Boss;
     var COMPANY_ID = 'Company1';
@@ -3239,7 +3237,6 @@ describe('relations', function() {
     });
   });
 
-
   describe('belongsTo with primaryKey different from model PK', function() {
     var Employee, Boss;
     var COMPANY_ID = 'Company1';
@@ -3415,7 +3412,6 @@ describe('relations', function() {
       .catch(done);
     });
 
-
     it('should set targetClass on scope property', function() {
       should.equal(Article.prototype.tagNames._targetClass, 'TagName');
     });
@@ -5096,8 +5092,6 @@ describe('relations', function() {
       }).catch(done);
     });
 
-
-
     it('should not allow duplicate record on scope with promises', function(done) {
       Category.findOne()
       .then(function(cat) {
@@ -5346,10 +5340,8 @@ describe('relations', function() {
       })
       .catch(done);
     });
-
   });
 
-
   describe('custom relation/scope methods', function() {
     var categoryId;
 

test/scope.test.js

@@ -329,10 +329,8 @@ describe('scope - filtered count, updateAll and destroyAll', function() {
 });
 
 describe('scope - dynamic target class', function() {
-
   var Collection, Media, Image, Video;
 
-
   before(function() {
     db = getSchema();
     Image = db.define('Image', { name: String });