CODEWITHSUNDEEP
javascriptfunctional-programmingramda.js
JD.
JD.

Reputation: 15541

Functional way to update a property in one array from another array?

I am trying to get into functional programming and after creating a number of pure functions, I have two arrays where I need to create a new array which is the first array with one of its properties updated from the second array.

I have a commands array and a seconds integer array.

The commands array has objects like this : 

  var SerialCommand = function(serialString, waitTime) {
      this.serialString = serialString;
      this.waitTime = waitTime;
  }

Seconds is simply an integer array with the same number of elements as the commands array.

What I want is finally an array where each element of commands array has the following update to it:

  command.waitTime = numSeconds;

I have created the following function: 

    var updateSeconds = function(command, numSeconds) {
        command.waitTime = numSeconds;
        return command;
    }

but not sure how to combine it with the arrays.

I am using Ramda for my library but any help with any other library will do.

Upvotes: 2

Views: 586

Answers (1)

jan
jan

Reputation: 148

R.zipWith() seems to be the right thing for you. http://ramdajs.com/0.18.0/docs/#zipWith

Upvotes: 4

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