Domain that matters

Stop spending time with redundant and low impact code. Code your domain first using Herbs and the necessary infrastructure will be generated on the fly.

Keep it clean

No more sloppy, hard to change code. Create maintainable software using Clean Architecture and Domain Driven Design with Herbs.

Auditable and Secure

Enterprise grade features are standard on Herbs even for simple applications. Authorization and auditing are available out of the box.

Build your Microservices in Node.js Faster and Future Proof

Domain

ENTITIES

entity('Item', {
  id: field(Number),
  
  isDone: field(Boolean, {
    default: false
  }),
  
  position: field(Number, { 
    validation: { presence: true } 
  }),

  description: field(String, { 
    default: "", 
    validation: { presence: true, length: { minimum: 3 } }
  })

})

entity('To Do List', {
  id: field(Number),

  name: field(String, {
      validation: { presence: true, length: { minimum: 3 } }
  }),

  items: field([Item])

  isDone() {
    return this.items.length === this.items.filter(i => i.isDone).length
  }
  
})

entity('Item', {
  id: field(Number),
  
  isDone: field(Boolean, {
    default: false
  }),
  
  position: field(Number, { 
    validation: { presence: true } 
  }),

  description: field(String, { 
    default: "", 
    validation: { presence: true, length: { minimum: 3 } }
  })

})

entity('To Do List', {
  id: field(Number),

  name: field(String, {
      validation: { presence: true, length: { minimum: 3 } }
  }),

  items: field([Item])

  isDone() {
    return this.items.length === this.items.filter(i => i.isDone).length
  }
  
})

USE CASES

usecase('Create List', {
    // Input/Request fields and types
    request: { name: String },

    // Output/Response type
    response: TodoList,

    // Use case constructor
    setup: ctx => (ctx.di = Object.assign({}, dependency, injection)),

    // Authorization check and audit
    authorize: async (user) => (user.canCreateList ? Ok() : Err()),

    // Steps description and audit
    'Check if the List is valid': step(ctx => {
      const list = ctx.list = new TodoList()
      list.id = Math.floor(Math.random() * 100000)
      list.name = ctx.req.name

      if (!list.isValid()) return Err(list.errors)
      return Ok()
    }),

    'Save the List': step(async ctx => {
      const listRepo = new ctx.di.ListRepository(injection)
      return (ctx.ret = await listRepo.insert(ctx.list))
    }),
  })

usecase('Create List', {
    // Input/Request fields and types
    request: { name: String },

    // Output/Response type
    response: TodoList,

    // Use case constructor
    setup: ctx => (ctx.di = Object.assign({}, dependency, injection)),

    // Authorization check and audit
    authorize: async (user) => (user.canCreateList ? Ok() : Err()),

    // Steps description and audit
    'Check if the List is valid': step(ctx => {
      const list = ctx.list = new TodoList()
      list.id = Math.floor(Math.random() * 100000)
      list.name = ctx.req.name

      if (!list.isValid()) return Err(list.errors)
      return Ok()
    }),

    'Save the List': step(async ctx => {
      const listRepo = new ctx.di.ListRepository(injection)
      return (ctx.ret = await listRepo.insert(ctx.list))
    }),
  })