fix linting issues

lib/plugins/init/index.js

@@ -28,7 +28,7 @@ class Init {
           secret: {
             usage: 'Secret key for the provider',
             shortcut: 's',
-          }
+          },
         },
       },
     };
@@ -40,77 +40,79 @@ class Init {
   }
 
   init() {
-
     // Sanitize
     this.options.provider = this.options.provider.toLowerCase();
 
     // Validate
     if (['aws'].indexOf(this.options.provider) < 0) {
-      throw new this.serverless.classes.Error(`Only 'aws' is supported at this time.`);
+      throw new this.serverless.classes.Error('Only \'aws\' is supported at this time.');
     }
 
     // Init AWS
     return this.initAws();
-  };
+  }
 
   /**
    * Init AWS
    * - Saves AWS API Keys to a profile on the file system
    */
 
   initAws() {
-
     // Validate
     if (!this.options.key || !this.options.secret) {
-      throw new this.serverless.classes.Error(`Please include --key and --secret options for AWS.`);
+      throw new this.serverless.classes.Error('Please include --key and --secret options for AWS.');
     }
 
     // Inform
     this.serverless.cli.log('Initializing AWS...');
-    this.serverless.cli.log(`Storing an AWS profile on your local file system in '~/.aws/credentials'...`);
+    this.serverless.cli.log('Storing an AWS profile on your local file system in' +
+      ' \'~/.aws/credentials\'...');
 
     // Locate home directory on user's machine
-    let env = process.env;
-    let home = env.HOME ||
+    const env = process.env;
+    const home = env.HOME ||
       env.USERPROFILE ||
       (env.HOMEPATH ? ((env.HOMEDRIVE || 'C:/') + env.HOMEPATH) : null);
 
     if (!home) {
-      throw new this.serverless.classes.Error(`Can't find home directory on your local file system.`);
+      throw new this.serverless.classes.Error('Can\'t find home directory ' +
+        'on your local file system.');
     }
 
     // Check if ~/.aws/credentials exists
-    let configDir = path.join(home, '.aws'),
-      credsPath = path.join(configDir, 'credentials');
+    const configDir = path.join(home, '.aws');
+    const credsPath = path.join(configDir, 'credentials');
 
     if (this.serverless.utils.fileExistsSync(credsPath)) {
-
       // Check if credentials files contains anything
-      let credsFile = this.serverless.utils.readFileSync(credsPath);
+      const credsFile = this.serverless.utils.readFileSync(credsPath);
 
       // If credentials file is malformed, throw error and give guidance
       if ((credsFile.length && credsFile.indexOf('aws_access_key_id=') < 0) ||
         (credsFile.length && credsFile.indexOf('aws_secret_access_key=') < 0)) {
-        // TODO: Add guidance in error message when the serverless error parser stops poorly reformatting everything.
-        throw new this.serverless.classes.Error('~/.aws/credentials exists, but it\'s formatted incorrectly.  Open it and make sure it\'s correctly formatted.');
+        // TODO: Add guidance in error message when the serverless error parser gets neater
+        throw new this.serverless.classes.Error('~/.aws/credentials exists, but it\'s ' +
+          'formatted incorrectly.  Open it and make sure it\'s correctly formatted.');
       }
 
       // If credentials file exists and is fine, say so, then exit
       if (credsFile.length) {
-        this.serverless.cli.log('Exiting... ~/.aws/credentials exists and is formatted correctly.  Make sure you\'re using the correct profile in your serverless.yml');
+        this.serverless.cli.log('Exiting... ~/.aws/credentials exists and is formatted ' +
+          'correctly.  Make sure you\'re using the correct profile in your serverless.yml');
         return BbPromise.resolve();
       }
     }
 
     // Write credentials file with 'default' profile
     this.serverless.utils.writeFileSync(
       credsPath,
-      '[default]' + os.EOL +
-      'aws_access_key_id=' + this.options.key + os.EOL +
-      'aws_secret_access_key=' + this.options.secret + os.EOL);
+      `[default]
+aws_access_key_id=${this.options.key}
+aws_secret_access_key=${this.options.secret}` + os.EOL);
 
     // Inform
-    this.serverless.cli.log('Success!  ~/.aws/credentials was created and your access keys were stored under the \'default\' profile.');
+    this.serverless.cli.log('Success!  ~/.aws/credentials was created and your access keys ' +
+      'were stored under the \'default\' profile.');
 
     return BbPromise.resolve();
   }