style: fix lint

lib/model.js

@@ -1027,12 +1027,12 @@ Model.init = function init(callback) {
  * schema. This function will drop any indexes that are not defined in
  * the model's schema except the `_id` index, and build any indexes that
  * are in your schema but not in MongoDB.
- * 
+ *
  * See the [introductory blog post](http://thecodebarbarian.com/whats-new-in-mongoose-5-2-syncindexes)
  * for more information.
- * 
+ *
  * ####Example:
- * 
+ *
  *     const schema = new Schema({ name: { type: String, unique: true } });
  *     const Customer = mongoose.model('Customer', schema);
  *     await Customer.createIndex({ age: 1 }); // Index is not in schema

lib/types/array.js

@@ -142,8 +142,8 @@ MongooseArray.mixin = {
    */
 
   _markModified: function(elem, embeddedPath) {
-    let parent = this._parent,
-        dirtyPath;
+    const parent = this._parent;
+    let dirtyPath;
 
     if (parent) {
       dirtyPath = this._path;

lib/utils.js

@@ -296,9 +296,9 @@ function cloneArray(arr, options) {
  */
 
 exports.options = function(defaults, options) {
-  let keys = Object.keys(defaults),
-      i = keys.length,
-      k;
+  const keys = Object.keys(defaults);
+  let i = keys.length;
+  let k;
 
   options = options || {};
 
@@ -670,9 +670,9 @@ exports.setValue = function(path, val, obj, map, _copying) {
 
 exports.object = {};
 exports.object.vals = function vals(o) {
-  let keys = Object.keys(o),
-      i = keys.length,
-      ret = [];
+  const keys = Object.keys(o);
+  let i = keys.length;
+  const ret = [];
 
   while (i--) {
     ret.push(o[keys[i]]);

test/aggregate.test.js

@@ -4,9 +4,9 @@
  * Module dependencies
  */
 
+const assert = require('assert');
 const co = require('co');
 const start = require('./common');
-const assert = require('power-assert');
 
 const mongoose = start.mongoose;
 const Schema = mongoose.Schema;
@@ -635,11 +635,10 @@ describe('aggregate: ', function() {
         model(db.model('Employee')).
         group({ _id: '$dept' }).
         exec(function(err, docs) {
-          let depts;
           assert.ifError(err);
           assert.equal(docs.length, 2);
 
-          depts = docs.map(function(doc) {
+          const depts = docs.map(function(doc) {
             return doc._id;
           });
           assert.notEqual(depts.indexOf('sales'), -1);
@@ -918,10 +917,9 @@ describe('aggregate: ', function() {
 
       it('with a callback', function(done) {
         const aggregate = new Aggregate();
-        let callback;
 
         aggregate.model(db.model('Employee'));
-        callback = function(err) {
+        const callback = function(err) {
           assert.ok(err);
           assert.equal(err.message, 'Aggregate has empty pipeline');
           done();

test/collection.capped.test.js

@@ -4,7 +4,12 @@
 
 'use strict';
 
-let start = require('./common'), mongoose = start.mongoose, assert = require('power-assert'), Schema = mongoose.Schema, random = require('../lib/utils').random;
+const assert = require('assert');
+const random = require('../lib/utils').random;
+const start = require('./common');
+
+const mongoose = start.mongoose;
+const Schema = mongoose.Schema;
 
 /**
  * setup
@@ -71,8 +76,6 @@ describe('collections: capped:', function() {
         }
         assert.ifError(err);
 
-        let timer;
-
         db.on('error', function(err1) {
           clearTimeout(timer);
           db.close();
@@ -81,7 +84,7 @@ describe('collections: capped:', function() {
         });
 
         db.model('CappedExisting', capped, conn);
-        timer = setTimeout(function() {
+        const timer = setTimeout(function() {
           db.close();
           throw new Error('capped test timeout');
         }, 900);

test/collection.test.js

@@ -38,8 +38,8 @@ describe('collections:', function() {
   });
 
   it('methods should that throw (unimplemented)', function(done) {
-    let collection = new Collection('test', mongoose.connection),
-        thrown = false;
+    const collection = new Collection('test', mongoose.connection);
+    let thrown = false;
 
     try {
       collection.getIndexes();

test/colors.js

@@ -4,7 +4,14 @@
 
 'use strict';
 
-let start = require('./common'), mongoose = start.mongoose, assert = require('power-assert'), Schema = mongoose.Schema, MongooseDocumentArray = mongoose.Types.DocumentArray, EmbeddedDocument = require('../lib/types/embedded'), DocumentArray = require('../lib/types/documentarray');
+const DocumentArray = require('../lib/types/documentarray');
+const EmbeddedDocument = require('../lib/types/embedded');
+const assert = require('assert');
+const start = require('./common');
+
+const mongoose = start.mongoose;
+const Schema = mongoose.Schema;
+const MongooseDocumentArray = mongoose.Types.DocumentArray;
 
 /**
  * setup

test/webpack.test.js

@@ -3,7 +3,6 @@
 const acorn = require('acorn');
 const assert = require('assert');
 const fs = require('fs');
-const path = require('path');
 const utils = require('../lib/utils');
 const semver = require('semver');