Complex filter between 2 objects and a boolean

Question

I have this array burgerActions :

[
  {
    statusId: 2,
    label: 'Accept'
  },
  {
    statusId: 3,
    label: 'Reject'
  },
  {
    label: 'Consult'
  },
  {
    label: 'Transfer'
  }
]

and this object status which can be either :

{
  "label": "Accept",
  "id": 2
}

or :

{
  "label": "Reject",
  "id": 3
}

In a first case you have to create a new array from burgerActions array where the statusId is not equivalent to the id of the status object that we have (we can only have one status object of the 2 cases that I listed). For that I used the filter method :

const result =  burgerActions.filter((element) => {
  return element.statusId !== recommendation.status.id
})

In the second case I need a complex conditioning adding with boolean

const statusRef = recommendation.recipient

In a first case I want if statusRef is false filter the last object in the burgerAction ({label: 'Transfer'}) but not in the case if statusRef is true. I need a method that does this type of filter without using the if () conditions because there are several cases to handle.

What do you mean by filter 2 objects and in addition a boolean? — cнŝdk
– cнŝdk, Commented Dec 6, 2017 at 9:51
@MouadEnnaciri I posted an answer, please check it and tell me if that's what you are looking for. — cнŝdk
– cнŝdk, Commented Dec 6, 2017 at 10:26

cнŝdk · Accepted Answer · 2017-12-06 10:22:39Z

If you want to filter the objects that doesn't have the same statusId as in the recommendation.status.id and if recommendation.recipient === true filter the ones that doesn't have statusId, you can use this condition in the filter callback function:

element.statusId !== recommendation.status.id && recommendation.recipient ? element.statusId != null : true;

Where && recommendation.recipient ? element.statusId != null : true means that if recommendation.recipient is true filter elements with a statusId.

Here's how should be your code:

var recommendation = {
  status: {
    "label": "Pending",
    "id": 1
  },
  recipient: true
};

const result = burgerActions.filter((element) => {
  return element.statusId !== recommendation.status.id && recommendation.recipient ? element.statusId != null : true;
});

Demo:

var burgerActions = [{
    statusId: 2,
    label: 'Accept'
  },
  {
    statusId: 3,
    label: 'Reject'
  },
  {
    label: 'Consult'
  },
  {
    statusId: 1,
    label: 'Transfer'
  }
];

var recommendation = {
  status: {
    "label": "Pending",
    "id": 1
  },
  recipient: true
};

const result = burgerActions.filter((element) => {
  return element.statusId !== recommendation.status.id && recommendation.recipient ? element.statusId != null : true;
});


console.log(result);

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