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Copy an element of array of objects to new array of objects – Twitter API

I am using NodeJs to create my own API based from Twitter API.
The problem is that:
I have this array of object from Twitter API. It looks something like this.

[
  {
    ...
    text: "100% I am sleeping ...",
    user: {
       screen_name: "Ninja",
    },
    ...
  },
  {},
  ...
]

I want know how can I take each “text” and “screen_name” form the list above and store it in a new array of object, to look like this:

[
  {
    text: "",
    screen_name: ""
  },
  {},
  {},
  ...
]
Tags:

2

Answers


  1. 0

    Use Array.map

    let arr = [{text: "100% I am sleeping ...",user: {screen_name:"Ninja"}}];

let result = arr.map(({text, user : {screen_name}}) => ({text, screen_name}));

console.log(result);
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  2. 0

    Use array map method. This will return a new array of objects having desired keys

    var api = [{
    text: "100% I am sleeping ...",
    user: {
      screen_name: "Ninja",
    },
    somOtherVal: 'otherVal1'

  },
  {
    text: "100% I am sleeping ...",
    user: {
      screen_name: "Ninja",
    },
    somOtherVal: 'otherVal'
  }
]

let newApi = api.map(function(item) {
  return {

    text: item.text,
    screen_name: item.user.screen_name
  }

});
console.log(newApi)
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