namastejs/src/get/data/sequelize.js

A spiritual greeting from your JavaScript code. Because every function deserves a 'Namaste 🙏'

module.exports = {
  name: "Sequelize",
  description:
    "Sequelize CLI & ORM commands used in real-world backend projects",
  updatedAt: "Jan 2025",

  learnMore: "https://sequelize.org/docs/v6/",

  categories: {
    BASIC: [
      ["npx sequelize-cli init", "Initialize Sequelize project"],
      ["npx sequelize-cli db:create", "Create database"],
      ["npx sequelize-cli db:drop", "Drop database"],
    ],

    MIGRATIONS: [
      [
        "npx sequelize-cli migration:generate --name your-migration-name",
        "Create migration file",
      ],
      ["npx sequelize-cli db:migrate", "Run all pending migrations"],
      ["npm run migrate:dev", "Run migrations using custom script"],
      [
        "npx sequelize-cli db:migrate --name your-migration-name.js",
        "Run single migration",
      ],
      ["npx sequelize-cli db:migrate:undo", "Undo last migration"],
      [
        "npx sequelize-cli db:migrate:undo --name your-migration-name.js",
        "Undo specific migration",
      ],
      [
        "npx sequelize-cli db:migrate:undo:all --to your-migration-name.js",
        "Undo migrations up to specific file",
      ],
    ],

    SEEDERS: [
      [
        "npx sequelize-cli seed:generate --name demo-user.js",
        "Generate seeder file",
      ],
      ["npx sequelize-cli db:seed:all", "Run all seeders"],
      ["npx sequelize-cli db:seed:undo", "Undo last seeder"],
      [
        "npx sequelize-cli db:seed:undo --seed your-seeder-name.js",
        "Undo specific seeder",
      ],
      ["npx sequelize-cli db:seed:undo:all", "Undo all seeders"],
    ],

    MODELS: [
      [
        "npx sequelize-cli model:generate --name User --attributes name:string",
        "Generate model, migration & controller",
      ],
      ["sequelize.define()", "Define a model"],
      ["Model.sync()", "Sync model with database"],
      ["Model.create()", "Insert new record"],
      ["Model.findAll()", "Fetch all records"],
    ],

    QUERYING: [
      ["Model.findOne()", "Fetch single record"],
      ["Model.findByPk()", "Fetch by primary key"],
      ["Model.update()", "Update records"],
      ["Model.destroy()", "Delete records"],
      ["Op.like", "LIKE operator"],
      ["Op.in", "IN operator"],
      ["Op.between", "BETWEEN operator"],
    ],

    ASSOCIATIONS: [
      ["Model.hasOne()", "One-to-One relationship"],
      ["Model.hasMany()", "One-to-Many relationship"],
      ["Model.belongsTo()", "Inverse association"],
      ["Model.belongsToMany()", "Many-to-Many relationship"],
    ],

    TRANSACTIONS: [
      ["sequelize.transaction()", "Start transaction"],
      ["transaction.commit()", "Commit transaction"],
      ["transaction.rollback()", "Rollback transaction"],
    ],

    CONFIG: [
      ["config/config.js", "Database configuration file"],
      ["process.env.DB_HOST", "Use env variables"],
      ["dialect", "Database dialect (mysql, postgres, etc.)"],
    ],
  },
};