table ex

table.js

const tableModel = {
  @observable data = []
  @observable sort = null
  @observable dir = null
  @observable page = 1
  @observable totalEntities = 0
  @observable entitiesOnPage = 10
  
  @computed get sortedData () {
    return this.data.sort((a, b))
  }
  @computed get totalPages () {
    return Math.ceil(this.totalEntities / this.entitiesOnPage)
  }
  @computed get offset () {
    return (this.page - 1) * this.entitiesOnPage
  }
  @computed get limit () {
    return this.entitiesOnPage * this.page
  }
}