Skip to main content

​
Overview

The Mes component serves as a container for organizing and displaying payment items that belong to a specific month. It filters the payments based on whether they are monthly recurring or scheduled for the specific month, and renders each applicable payment as a Pago component.

​
Features

  • Month Header: Displays the month name
  • Smart Filtering: Shows only relevant payments (monthly or month-specific)
  • List Organization: Renders payments in an unordered list structure
  • Scalable Design: Handles any number of payment items

​
Location

src/components/Mes.jsx

​
Props

​
mes
string
required
The month identifier/name (e.g., “Enero”, “Febrero”, “Marzo”)This value is:
  • Displayed as the section header
  • Passed to each Pago component
  • Used for filtering which payments to display
​
pagos
array
required
Array of payment objects to be displayed in this monthEach payment object should contain:
  • nombre (string): Payment name/identifier (used as React key)
  • mensual (boolean): If true, payment appears in all months
  • meses (array, optional): Specific months where this payment applies

​
Filtering Logic

The component uses a conditional render to determine which payments to display: 
(pago.mensual || pago.meses?.includes(mes))
A payment is shown if either:
  1. pago.mensual === true - Recurring monthly payment
  2. pago.meses array includes the current mes value
The optional chaining operator (?.) safely handles payments without a meses property.

​
Usage Example

​
Basic Usage

import { Mes } from './components/Mes'

function MonthlyView() {
  const pagos = [
    {
      nombre: 'Electricity',
      mensual: true  // Appears every month
    },
    {
      nombre: 'Insurance',
      mensual: false,
      meses: ['Enero', 'Julio']  // Only January and July
    },
    {
      nombre: 'Rent',
      mensual: true
    }
  ]
  
  return <Mes mes="Enero" pagos={pagos} />
}
In this example:
  • “Electricity” will show (mensual: true)
  • “Insurance” will show (meses includes “Enero”)
  • “Rent” will show (mensual: true)

​
Multiple Months

import { Mes } from './components/Mes'

function YearView() {
  const allPayments = [
    { nombre: 'Electricity', mensual: true },
    { nombre: 'Water', mensual: true },
    { nombre: 'Car Registration', meses: ['Marzo'] }
  ]
  
  const months = ['Enero', 'Febrero', 'Marzo']
  
  return (
    <div className="year-view">
      {months.map(month => (
        <Mes key={month} mes={month} pagos={allPayments} />
      ))}
    </div>
  )
}

​
Component Structure

The component renders: 
<div className='mes'>
  <h2>{mes}</h2>           {/* Month header */}
  <ul>
    {/* Filtered Pago components */}
  </ul>
</div>

​
Key Prop

Each Pago component uses pago.nombre as its React key: 
<Pago key={pago.nombre} pago={pago} mes={mes} />
Ensure that pago.nombre is unique within each month to avoid React key conflicts.

​
Payment Object Structure

​
Monthly Recurring Payment

{
  nombre: 'Electricity',
  mensual: true,
  // ... other payment properties
}

​
Specific Month Payment

{
  nombre: 'Quarterly Tax',
  mensual: false,
  meses: ['Marzo', 'Junio', 'Septiembre', 'Diciembre'],
  // ... other payment properties
}

​
Hybrid Example

{
  nombre: 'Special Payment',
  mensual: true,
  meses: ['Enero', 'Febrero'],  // meses is ignored when mensual is true
  // ... other payment properties
}
When mensual: true, the component displays the payment regardless of the meses array.

​
Rendering Behavior

​
Empty Month

If no payments match the filter criteria, the component renders an empty list: 
<div className='mes'>
  <h2>Abril</h2>
  <ul>
    {/* Empty - no payments match */}
  </ul>
</div>

​
Full Month

With multiple matching payments: 
<div className='mes'>
  <h2>Enero</h2>
  <ul>
    <Pago key="Rent" pago={rentObj} mes="Enero" />
    <Pago key="Electricity" pago={electricityObj} mes="Enero" />
    <Pago key="Internet" pago={internetObj} mes="Enero" />
  </ul>
</div>

​
Dependencies

  • Pago component - Renders individual payment items

​
Styling

The component uses the mes CSS class for the container. Styling should be defined in the application’s CSS files.

​
Common Patterns

​
Year View with All Months

const MONTHS = [
  'Enero', 'Febrero', 'Marzo', 'Abril',
  'Mayo', 'Junio', 'Julio', 'Agosto',
  'Septiembre', 'Octubre', 'Noviembre', 'Diciembre'
]

function App() {
  const [pagos, setPagos] = useState([])
  
  return (
    <div className="app">
      {MONTHS.map(mes => (
        <Mes key={mes} mes={mes} pagos={pagos} />
      ))}
    </div>
  )
}

​
Source Code Reference

Component implementation at src/components/Mes.jsx:5-18 Filtering logic at src/components/Mes.jsx:11

Build docs developers (and LLMs) love

Get started for freeTalk to us