Prototype code for advent calendar

advent.js

const schema = {
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://example.com/advent.json",
  "title": "Advent Calendar",
  "description": "A calendar for the Advent season",
  "type": "object",
  "properties": {
    "title": {
      "description": "The title of the calendar",
      "type": "string"
    },
    "ignoreMonth": {
      "description": "Wether to check if the month is December",
      "type": "boolean"
    },
    "days": {
      "description": "The days of the calendar",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "number": {
            "description": "The number of the day",
            "type": "integer"
          },
          "title": {
            "description": "The title for the day",
            "type": "string"
          },
          "description": {
            "description": "The description for the day",
            "type": "string"
          }
        },
        "required": ["number", "title"]
      }
    }
  },
  "required": ["days"]
}

const adventConfig = {
  "title": "Advent Calendar",
  "description": "A calendar for the Advent season",
  "ignoreMonth": true,
  "days": [ // days up to 24
    {
      "number": 1,
      "title": "First Day of Advent",
      "description": "The first day of Advent",
    },
    {
      "number": 2,
      "title": "Second Day of Advent"
    },
    {
      "number": 3,
      "title": "Third Day of Advent"
    },
    {
      "number": 4,
      "title": "Fourth Day of Advent"
    },
    {
      "number": 5,
      "title": "Fifth Day of Advent"
    },
    {
      "number": 6,
      "title": "Sixth Day of Advent"
    },
    {
      "number": 7,
      "title": "Seventh Day of Advent"
    },
    {
      "number": 8,
      "title": "Eighth Day of Advent"
    },
    {
      "number": 9,
      "title": "Ninth Day of Advent"
    },
    {
      "number": 10,
      "title": "Tenth Day of Advent"
    },
    {
      "number": 11,
      "title": "Eleventh Day of Advent"
    },
    {
      "number": 12,
      "title": "Twelfth Day of Advent"
    },
    {
      "number": 13,
      "title": "Thirteenth Day of Advent"
    },
    {
      "number": 14,
      "title": "Fourteenth Day of Advent"
    },
    {
      "number": 15,
      "title": "Fifteenth Day of Advent"
    },
    {
      "number": 16,
      "title": "Sixteenth Day of Advent"
    },
    {
      "number": 17,
      "title": "Seventeenth Day of Advent"
    },
    {
      "number": 18,
      "title": "Eighteenth Day of Advent"
    },
    {
      "number": 19,
      "title": "Nineteenth Day of Advent"
    },
    {
      "number": 20,
      "title": "Twentieth Day of Advent"
    },
    {
      "number": 21,
      "title": "Twenty-first Day of Advent"
    },
    {
      "number": 22,
      "title": "Twenty-second Day of Advent"
    },
    {
      "number": 23,
      "title": "Twenty-third Day of Advent"
    },
    {
      "number": 24,
      "title": "Twenty-fourth Day of Advent"
    }
  ]
}

const getCurrentDay = ({ days, ignoreMonth = false }) => {
  if (!days || !days.length) {
    throw new Error('No days provided')
  }
  const today = new Date()
  const isDecember = today.getMonth() === 11
  if (!isDecember && !ignoreMonth) {
    throw new Error('Not December')
  }
  const day = today.getDate()
  const current = days[day]
  if (!current) {
    throw
  }
  return current
}

const current = getCurrentDay(adventConfig, true) //?