Removed deprecated method that displayed plugin information because the framework removed the support; added a version to the plugin; updated README;

Author: Manoel Ferreira

README.md

@@ -56,7 +56,7 @@ plugins:
 
 You can check whether the plugin is ready to be used through the terminal. To do so, type the following command on the CLI:
 
-`serverless`
+`serverless --help`
 
 the console should display _SequelizeMigrations_  as one of the available plugins in your Serverless project.
 
@@ -83,7 +83,7 @@ Replace the variables with the information of your own database.
 
 Obs: This plugin does not have support to create the database itself.
 
-As per [Sequelize docs](http://docs.sequelizejs.com/manual/getting-started), you'll have to manually install the driver for your database of choice:
+As per [Sequelize docs](https://sequelize.org/v5/manual/getting-started.html), you'll have to manually install the driver for your database of choice:
 
 ```
 # One of the following:
@@ -94,9 +94,8 @@ $ npm install --save tedious # Microsoft SQL Server
 ```
 
 ## Usage and command line options
-To see the available commands of the plugin, run `sls migrations` on the terminal. The following should appear:
+To see the available commands of the plugin, run `sls migrations --help` on the terminal. The following should appear:
 ```
-Plugin: SequelizeMigrations
 migrations .................... Sequelize migrations management for Serverless
 migrations create ............. Create a migration file
 migrations up ................. Execute all pending migrations

index.js

@@ -12,43 +12,50 @@ class SequelizeMigrations {
     const dbConnectionOptions = {
       dbDialect: {
         usage: "Specify the database dialect (one of: 'mysql', 'mariadb', 'postgres', 'mssql')",
-        default: ''
+        default: '',
+        type: 'string'
       },
       dbHost: {
         usage: "Specify the database host",
-        default: ''
+        default: '',
+        type: 'string'
       },
       dbPort: {
         usage: "Specify the database port",
-        default: ''
+        default: '',
+        type: 'string'
       },
       dbName: {
         usage: "Specify the database name",
-        default: ''
+        default: '',
+        type: 'string'
       },
       dbUsername: {
         usage: "Specify the database username",
-        default: ''
+        default: '',
+        type: 'string'
       },
       dbPassword: {
         usage: "Specify the database password",
-        default: ''
+        default: '',
+        type: 'string'
       }
     }
 
     this.commands = {
       migrations: {
         usage: "Sequelize migrations management for Serverless",
-        lifecycleEvents: ["showPluginInfo"],
         options: {
           path: {
             usage: "Specify the migrations path (default is './migrations')",
             shortcut: "p",
-            default: "./migrations"
+            default: "./migrations",
+            type: 'string'
           },
           verbose: {
             usage: "Shows sequelize logs",
-            shortcut: "v"
+            shortcut: "v",
+            type: 'boolean'
           }
         },
         commands: {
@@ -59,7 +66,8 @@ class SequelizeMigrations {
               name: {
                 usage: "Specify the name of the migration to be created",
                 shortcut: "n",
-                required: true
+                required: true,
+                type: 'boolean'
               }
             }
           },
@@ -71,7 +79,8 @@ class SequelizeMigrations {
                 usage:
                   "Rolls back applied migrations in case of error (default is false)",
                 shortcut: "r",
-                default: false
+                default: false,
+                type: 'boolean'
               },
               ...dbConnectionOptions
             }
@@ -83,12 +92,14 @@ class SequelizeMigrations {
               times: {
                 usage: "Specify how many times to roll back (default is 1)",
                 shortcut: "t",
-                default: 1
+                default: 1,
+                type: 'string'
               },
               name: {
                 usage:
                   'Specify the name of the migration to be rolled back (e.g. "--name create-users.js")',
-                shortcut: "n"
+                shortcut: "n",
+                type: 'string'
               },
               ...dbConnectionOptions
             }
@@ -108,7 +119,8 @@ class SequelizeMigrations {
                 usage:
                   "Specify the status of migrations to be listed (--status pending [default] or --status executed)",
                 shortcut: "s",
-                default: "pending"
+                default: "pending",
+                type: 'string'
               },
               ...dbConnectionOptions
             }
@@ -118,7 +130,6 @@ class SequelizeMigrations {
     };
 
     this.hooks = {
-      "migrations:showPluginInfo": this.showPluginInfo.bind(this),
       "migrations:up:run": this.migrate.bind(this),
       "migrations:down:run": this.revert.bind(this),
       "migrations:reset:run": this.reset.bind(this),
@@ -133,10 +144,6 @@ class SequelizeMigrations {
       _.get(this.serverless, "service.custom.migrationsPath");
   }
 
-  showPluginInfo() {
-    this.serverless.cli.generateCommandsHelp(["migrations"]);
-  }
-
   setUpMigrationsHandler() {
     const databaseConnectionUrlBuilder = new DatabaseConnectionUrlBuilder(this.serverless, this.options);
     const database = databaseConnectionUrlBuilder.build();
@@ -169,7 +176,9 @@ class SequelizeMigrations {
     try {
       const migrationsHandler = this.setUpMigrationsHandler();
 
-      await migrationsHandler.revert(this.options.times, this.options.name);
+      const times = parseInt(this.options.times);
+
+      await migrationsHandler.revert(times, this.options.name);
     } catch (e) {
       this.serverless.cli.log(`Error trying to rollback migrations: \n${e}`);
       process.exit(1);