Use shorthand functions in migration files (#954)

Author: zvizvi

src/assets/migrations/create-table.js

@@ -1,7 +1,7 @@
 'use strict';
 
 module.exports = {
-  up: async (queryInterface, Sequelize) => {
+  async up (queryInterface, Sequelize) {
     await queryInterface.createTable('<%= tableName %>', {
       id: {
         allowNull: false,
@@ -28,7 +28,7 @@ module.exports = {
     });
   },
 
-  down: async (queryInterface, Sequelize) => {
+  async down (queryInterface, Sequelize) {
     await queryInterface.dropTable('<%= tableName %>');
   }
 };

src/assets/migrations/skeleton.js

@@ -1,7 +1,7 @@
 'use strict';
 
 module.exports = {
-  up: async (queryInterface, Sequelize) => {
+  async up (queryInterface, Sequelize) {
     /**
      * Add altering commands here.
      *
@@ -10,7 +10,7 @@ module.exports = {
      */
   },
 
-  down: async (queryInterface, Sequelize) => {
+  async down (queryInterface, Sequelize) {
     /**
      * Add reverting commands here.
      *

src/assets/seeders/skeleton.js

@@ -1,7 +1,7 @@
 'use strict';
 
 module.exports = {
-  up: async (queryInterface, Sequelize) => {
+  async up (queryInterface, Sequelize) {
     /**
      * Add seed commands here.
      *
@@ -13,7 +13,7 @@ module.exports = {
     */
   },
 
-  down: async (queryInterface, Sequelize) => {
+  async down (queryInterface, Sequelize) {
     /**
      * Add commands to revert seed here.
      *

test/migration/create.test.js

@@ -46,10 +46,10 @@ const gulp = require('gulp');
           .pipe(
             helpers.expect((stdout) => {
               expect(stdout).to.contain(
-                'up: async (queryInterface, Sequelize) => {'
+                'async up (queryInterface, Sequelize) {'
               );
               expect(stdout).to.contain(
-                'down: async (queryInterface, Sequelize) => {'
+                'async down (queryInterface, Sequelize) {'
               );
             })
           )

test/seed/create.test.js

@@ -48,10 +48,10 @@ const gulp = require('gulp');
           .pipe(
             helpers.expect((stdout) => {
               expect(stdout).to.contain(
-                'up: async (queryInterface, Sequelize) => {'
+                'async up (queryInterface, Sequelize) {'
               );
               expect(stdout).to.contain(
-                'down: async (queryInterface, Sequelize) => {'
+                'async down (queryInterface, Sequelize) {'
               );
             })
           )