Convert each Array in a typescript object to a set [duplicate]

Question

I am a beginner in Typescript, and I am looking for a neat way to convert all the arrays in an object to a set.

Input:

const inputObject = {'a': [1, 2, 3], 'b': [2, 2, 2], 'c': [3,3,2,4]};

Output

{'a': Set(3){1, 2, 3}, 'b': Set(1){2}, 'c': Set(3){2, 3, 4};

I know how to work on it iteratively key by key and get the solution. I am looking if I can do it more elegantly and modify the same inputObject instead of creating a new object.

What's the actual problem? What have you tried to solve this on your own? -> How much research effort is expected of Stack Overflow users? — Andreas
– Andreas, Commented Jul 15, 2022 at 14:42

Prajwal · Accepted Answer · 2022-07-15 14:48:14Z

1

This code works, but not sure why it isn't working in StackOverflow's code editor.

You need to do the following

get the keys of the object you are trying to modify
Update each of them as Set.

const inputObject = {'a': [1, 2, 3], 'b': [2, 2, 2], 'c': [3,3,2,4]};
console.log(inputObject);
Object.keys(inputObject).forEach(key => inputObject[key] = new Set(inputObject[key]));
console.log(inputObject);

answered Jul 15, 2022 at 14:48

Prajwal

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2 Comments

Andreas Over a year ago

Why is this the accepted answer and not the one from Paulo?

Prajwal Over a year ago

@Andreas I'm not sure, may be OP found interating keys more easily understandable.

Paulo Barbosa · Accepted Answer · 2022-07-15 14:44:28Z

1

I think this code Works fine!

const inputObject = {'a': [1, 2, 3], 'b': [2, 2, 2], 'c': [3,3,2,4]};
 for (const key in inputObject ) {
    inputObject[key] = new Set(inputObject[key]);
    }
console.log(inputObject);

answered Jul 15, 2022 at 14:44

Paulo Barbosa

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