const { DataTypes } = require('sequelize'); const { INTEGER } = DataTypes; const tables = ['categories', 'bookmarks', 'apps']; const up = async (query) => { const template = { type: INTEGER, allowNull: true, defaultValue: 1, }; for await (let table of tables) { await query.addColumn(table, 'isPublic', template); } }; const down = async (query) => { for await (let table of tables) { await query.removeColumn(table, 'isPublic'); } }; module.exports = { up, down, };