Declaring dynamic keys in json (javascript, node)

Question

I have an array of objects, each object is similar to:

{ word: 'intentional',
  definition: 'done by intention or design',
  type: 'adjective',
  Synonyms: [  'conscious', 'deliberate', 'intended', 'knowing', ] }

I am trying to convert the whole array into following json format:

{
    "conscious": {
        "data": ["done by intention or design"],
        "type": "adjective",
        "Synonym For": ["intentional"]
    },
    "deliberate": {
        "data": ["done by intention or design"],
        "type": "adjective",
        "Synonym For": ["intentional"]
    },
    ...

}

This json format is an input to another program, which I do not control. I am running it on node.js.

How can I declare an object and then loop through the array to fill it as intended?

kind user · Accepted Answer · 2017-04-11 00:08:36Z

2

var obj = { word: 'intentional',
  definition: 'done by intention or design',
  type: 'adjective',
  Synonyms: [ 'conscious', 'deliberate', 'intended', 'knowing' ] },
  
  res = obj.Synonyms.reduce(function(s,a) {
    s[a] = { data: [obj.definition], type: obj.type, SynonymFor: [obj.word] };
    return s;
  }, {});
  
  console.log(res);

answered Apr 11, 2017 at 0:08

kind user

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Comments

xDreamCoding · Accepted Answer · 2017-04-11 00:23:46Z

2

var jsonObj = {};
wordArray.forEach((word) => {
    word.Synonyms.forEach((synonym) => {
        jsonObj[synonym] = {
            data: [word.definition],
            type: word.type,
            'Synonym For': [word.word]
        };
    })
})

edited Apr 11, 2017 at 0:23

answered Apr 11, 2017 at 0:14

xDreamCoding

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2 Comments

zerkms Over a year ago

Why did you move Synonym For out of the object literal to its own statement?

xDreamCoding Over a year ago

I tought it won't work because of the space inside, but you are right. @zerkms

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