Javascript nested array and filter-CodePudding

Here is my code

https://codepen.io/hobbesa/pen/jOGREKy?editors=1111

I am trying to get price of only weekdays.How do I do that?

 this.getPriceWeekDay = this.StrategypricingDetail.map((rec) =>
      rec.map((daysOfWeek) => {
        return daysOfWeek;
      }),

CodePudding user response：

You can first, filter items which doesn't contain Saturday or Sunday by using filter and find methods, and then iterate over filtered list by map method to extract just price property, like this:

let StrategypricingDetail = [ { id: 3, name: "test", price: 30, daysOfWeek: [ { id: 1, name: "Monday" }, { id: 2, name: "Tuesday" }, { id: 3, name: "Wednesday" } ] }, { id: 23, name: "Testing2", price: 10, daysOfWeek: [ { id: 1, name: "Monday" }, { id: 2, name: "Tuesday" } ] }, { id: 13, name: "Testing3", price: 14, daysOfWeek: [ { id: 1, name: "Saturaday" }, { id: 2, name: "Sunday" } ] } ];

const weekDaysPrice = StrategypricingDetail.filter(({daysOfWeek}) => !daysOfWeek.find(({name}) => name == 'Saturaday' || name == 'Sunday')).map(({price}) => price);

console.log(weekDaysPrice);

CodePudding user response：

One solution you could use below.

 let strategypricingDetail = [
      {
        id: 3,
        name: "test",
        price: 30,
        daysOfWeek: [
          { id: 1, name: "Monday" },
          { id: 2, name: "Tuesday" },
          { id: 3, name: "Wednesday" }
        ]
      },
      {
        id: 23,
        name: "Testing2",
        price: 10,
        daysOfWeek: [
          { id: 1, name: "Monday" },
          { id: 2, name: "Tuesday" }
        ]
      },
      {
        id: 13,
        name: "Testing3",
        price: 14,
        daysOfWeek: [
          { id: 1, name: "Saturaday" },
          { id: 2, name: "Sunday" }
        ]
      }
    ];
  
let finalList = [];  

// Create list of eligible days for the search
let daysToInclude = [
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday"
];
strategypricingDetail.forEach((item, index) => {
  for (let i = 0; i < item.daysOfWeek.length; i  ) {
  // Check if the day is in the eligible list
    if (daysToInclude.includes(item.daysOfWeek[i].name)) {
      finalList.push(item);      
      break;
      // When found, break out of the search after adding it to the final list.
    }
  }
});

console.log(finalList)

In this solution, you loop through the available items, and then compare each item's 'daysOfWeel' list with a list of eligible days. As soon as it finds one, it'll stop searching, and add that item to a new list, until you end with the list of appropriate days.

CodePudding user response：

//StrategypricingDetail is the whole json
const StrategypricingDetail = [
  {
    id: 3,
    name: "test",
    price: 30,
    daysOfWeek: [
      { id: 1, name: "Monday" },
      { id: 2, name: "Tuesday" },
      { id: 3, name: "Wednesday" }
    ]
  },
  {
    id: 23,
    name: "Testing2",
    price: 10,
    daysOfWeek: [
      { id: 1, name: "Monday" },
      { id: 2, name: "Tuesday" }
    ]
  },
  {
    id: 13,
    name: "Testing3",
    price: 14,
    daysOfWeek: [
      { id: 1, name: "Saturaday" },
      { id: 2, name: "Sunday" }
    ]
  }
];

const weekends = ["Saturaday","Sunday"]
// Approach
// we have to filter some element based on condition
// condition will be days should not belong to weekends
this.getPriceWeekDay = StrategypricingDetail.filter((rec) => {
  for(let dayIndex = 0 ; dayIndex < rec.daysOfWeek.length; dayIndex  ){
    const dayName = rec.daysOfWeek[dayIndex].name;
    if(weekends.includes(dayName)){
       return;
    }
  }
  return rec;
}).map(({price}) => price);

console.log(getPriceWeekDay);