Fix linting errors

.eslintrc

@@ -1,3 +1,14 @@
 {
-  "extends": "loopback"
-} 
+  "extends": "loopback",
+  "rules": {
+    "max-len": ["error", 90, 4, {
+      "ignoreComments": true,
+      "ignoreUrls": true,
+      "ignorePattern": "^\\s*var\\s.+=\\s*(require\\s*\\()|(/)"
+    }],
+    // NOTE we should eventually remove this override
+    // and fix all of those 100+ violations
+    "one-var": "off",
+    "no-unused-expressions": "off"
+  }
+}

index.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var SG = require('strong-globalize');
 SG.SetRootDir(__dirname);

lib/factory.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var pkgcloud = require('pkgcloud');
 
@@ -13,9 +14,9 @@ function patchBaseClass(cls) {
   var proto = cls.prototype;
   var found = false;
   // Find the prototype that owns the _setProperties method
-  while (proto
-    && proto.constructor !== pkgcloud.storage.Container
-    && proto.constructor !== pkgcloud.storage.File) {
+  while (proto &&
+      proto.constructor !== pkgcloud.storage.Container &&
+      proto.constructor !== pkgcloud.storage.File) {
     if (proto.hasOwnProperty('_setProperties')) {
       found = true;
       break;

lib/providers/filesystem/container.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var base = require('pkgcloud').storage;
 var util = require('util');

lib/providers/filesystem/file.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var base = require('pkgcloud').storage;
 var util = require('util');

lib/providers/filesystem/index.js

@@ -3,6 +3,10 @@
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
 
+// Turning on strict for this file breaks;
+// disabling strict for this file
+/* eslint-disable strict */
+
 // Globalization
 var g = require('strong-globalize')();
 

lib/storage-connector.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var StorageService = require('./storage-service');
 /**

lib/storage-handler.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 // Globalization
 var g = require('strong-globalize')();
@@ -35,18 +36,22 @@ exports.upload = function(provider, req, res, options, cb) {
 
   var form = new IncomingForm(options);
   var container = options.container || req.params.container;
-  var fields = {}, files = {};
+  var fields = {};
+  var files = {};
   form.handlePart = function(part) {
     var self = this;
 
     if (part.filename === undefined) {
-      var value = '',
-        decoder = new StringDecoder(this.encoding);
+      var value = '';
+      var decoder = new StringDecoder(this.encoding);
 
       part.on('data', function(buffer) {
         self._fieldsSize += buffer.length;
         if (self._fieldsSize > self.maxFieldsSize) {
-          self._error(new Error(g.f('{{maxFieldsSize}} exceeded, received %s bytes of field data', self._fieldsSize)));
+          self._error(new Error(
+            g.f('{{maxFieldsSize}} exceeded, received %s bytes of field data',
+              self._fieldsSize
+            )));
           return;
         }
         value += decoder.write(buffer);
@@ -91,7 +96,11 @@ exports.upload = function(provider, req, res, options, cb) {
       }
       if (Array.isArray(allowedContentTypes) && allowedContentTypes.length !== 0) {
         if (allowedContentTypes.indexOf(file.type) === -1) {
-          self._error(new Error(g.f('{{contentType}} "%s" is not allowed (Must be in [%s])', file.type, allowedContentTypes.join(', '))));
+          self._error(new Error(
+            g.f('{{contentType}} "%s" is not allowed (Must be in [%s])',
+              file.type,
+              allowedContentTypes.join(', ')
+            )));
           return;
         }
       }
@@ -161,7 +170,11 @@ exports.upload = function(provider, req, res, options, cb) {
           // We are missing some way to tell the provider to cancel upload/multipart upload of the current file.
           // - s3-upload-stream doesn't provide a way to do this in it's public interface
           // - We could call provider.delete file but it would not delete multipart data
-          self._error(new Error(g.f('{{maxFileSize}} exceeded, received %s bytes of field data (max is %s)', fileSize, maxFileSize)));
+          self._error(new Error(
+            g.f('{{maxFileSize}} exceeded, received %s bytes of field data (max is %s)',
+              fileSize,
+              maxFileSize
+            )));
           return;
         }
       });
@@ -177,6 +190,7 @@ exports.upload = function(provider, req, res, options, cb) {
     if (err) {
       console.error(err);
     }
+    // eslint-disable-next-line no-unused-expressions
     cb && cb(err, {files: files, fields: fields});
   });
 };

lib/storage-service.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var factory = require('./factory');
 var handler = require('./storage-handler');
@@ -259,7 +260,11 @@ StorageService.modelName = 'storage';
 
 StorageService.prototype.getContainers.shared = true;
 StorageService.prototype.getContainers.accepts = [];
-StorageService.prototype.getContainers.returns = {arg: 'containers', type: 'array', root: true};
+StorageService.prototype.getContainers.returns = {
+  arg: 'containers',
+  type: 'array',
+  root: true,
+};
 StorageService.prototype.getContainers.http =
 {verb: 'get', path: '/'};
 
@@ -267,7 +272,10 @@ StorageService.prototype.getContainer.shared = true;
 StorageService.prototype.getContainer.accepts = [
   {arg: 'container', type: 'string'},
 ];
-StorageService.prototype.getContainer.returns = {arg: 'container', type: 'object', root: true};
+StorageService.prototype.getContainer.returns = {
+  arg: 'container',
+  type: 'object', root: true,
+};
 StorageService.prototype.getContainer.http =
 {verb: 'get', path: '/:container'};
 
@@ -275,7 +283,10 @@ StorageService.prototype.createContainer.shared = true;
 StorageService.prototype.createContainer.accepts = [
   {arg: 'options', type: 'object', http: {source: 'body'}},
 ];
-StorageService.prototype.createContainer.returns = {arg: 'container', type: 'object', root: true};
+StorageService.prototype.createContainer.returns = {
+  arg: 'container',
+  type: 'object', root: true,
+};
 StorageService.prototype.createContainer.http =
 {verb: 'post', path: '/'};
 

package.json

@@ -15,7 +15,7 @@
     "strong-globalize": "^2.6.2"
   },
   "devDependencies": {
-    "eslint": "^3.8.1",
+    "eslint": "^2.13.1",
     "eslint-config-loopback": "^4.0.0",
     "express": "^4.11.0",
     "loopback": "^2.10.0",

test/fixtures/app.js

@@ -2,9 +2,10 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
-var loopback = require('loopback'),
-  app = module.exports = loopback();
+var loopback = require('loopback');
+var app = module.exports = loopback();
 
 var path = require('path');
 

test/fs.test.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var FileSystemProvider = require('../lib/providers/filesystem/index.js').Client;
 

test/storage-service.test.js

@@ -2,13 +2,17 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var StorageService = require('../lib/storage-service.js');
 
 var assert = require('assert');
 var path = require('path');
 
-var storageService = new StorageService({root: path.join(__dirname, 'storage'), provider: 'filesystem'});
+var storageService = new StorageService({
+  root: path.join(__dirname, 'storage'),
+  provider: 'filesystem',
+});
 
 describe('Storage service', function() {
   describe('container apis', function() {

test/upload-download.test.js

@@ -2,6 +2,7 @@
 // Node module: loopback-component-storage
 // This file is licensed under the Artistic License 2.0.
 // License text available at https://opensource.org/licenses/Artistic-2.0
+'use strict';
 
 var request = require('supertest');
 var loopback = require('loopback');