Skip to main content

Typescript - how do you get specific values on Object.entries() on nested, complicated objects that come from a third party API

I'm having a hard time understanding objects and the Object.entries() method on complicated objects that come from third parties, specifically, DataDog.

I want a specific metric and I'm not sure how to get to it. I marked it "data_I_want" with a value of "HERE".

Based on what I understand from this API, that function returns an object. An example of the structure looks like this:

{
  "data": [
    "attributes": {
        "attributes": {
            "view": {
                "data_I_want": "HERE"
            }
        }
    }
  ],
  "links": {
        "next": "stuff"
    },
    "meta": {
        "page": {
            "after": "stuff"
        }
    }
}

The code that gets it is this

RUMApiInstance
  .searchRUMEvents(RUMApiParams)
  .then((data: v2.RUMEventsResponse) => {

    let ddDataViews = data;

    // where I'm stuck/confused
    Object.entries(ddDataViews).forEach(([key, value]) =>
      console.log('values: ' + `${key}: ${value}`)
    );
    
  })
  .catch((error: any) => console.error(error));

How can I access and process nested objects, arrays or JSON?

So there's a really long answer but the first thing I tried was basically this, from the answer:

You can access it this way

data.items[1].name

or

data["items"][1]["name"]

Both ways are equal.

When I try this in my context:

let ddDataViews = data.attributes[0].attributes.view.data_I_want;

I get an error from VS Code in typescript:

Property 'attributes' does not exist on type 'RUMEventsResponse'.ts(2339)

Why?

I do notice in the linked answer, that the object is a variable and mine is not? Do you have to like, declare it as a variable for that method to work?

So I move on to try to use the Object.entries() method

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries

The Object.entries() method returns an array of a given object's own enumerable string-keyed property [key, value] pairs. This is the same as iterating with a for...in loop, except that a for...in loop enumerates properties in the prototype chain as well.

So this seems like it's the right direction.

So my logic is as follows:

  1. get the entries of the object
  2. if its data, then loop over that object
  3. inside that object, loop over that object

So this is what I thought up:

Object.entries(ddDataViews).forEach(([key, value]) =>
      if (key == data) {
        console.log('values: ' + `${value}`)
      }
    );

However, this code doesn't work I get:

'{' expected.ts(1005)

I'm beyond confused as to how objects work in typescript with third party APIs, how do I get "data_I_want" with typescript/Object.entries() from an API?

Via Active questions tagged javascript - Stack Overflow https://ift.tt/uRqQXp0

Comments

Popular posts from this blog

Where and how is this Laravel kernel constructor called? [closed]

Where and how is this Laravel kernel constructor called? public fucntion __construct(Application $app, $Router $roouter) { } I have read the documentation and some online tutorial but I can find any clear explanation. I am learning Laravel and I am wondering where does this kernel constructor receives its arguments from. "POSTMOTERM" CLARIFICATION: Here is more clarity.I have checked the boostrap/app.php and it is only used for boostrapping the interfaces into the container class. What is not clear to me is where and how the Kernel class is instatiated and the arguments passed to the object calling the constructor.Something similar to; obj = new kernel(arg1,arg2) or, is the framework using some magic functions somewhere? Special gratitude to those who burn their eyeballs and brain cells on this trivia before it goes into a full blown menopause alias "MARKED AS DUPLICATE". To some of the itchy-finger keyboard warriors, a.k.a The mods,because I believe in th...

Why is my reports service not connecting?

I am trying to pull some data from a Postgres database using Node.js and node-postures but I can't figure out why my service isn't connecting. my routes/index.js file: const express = require('express'); const router = express.Router(); const ordersCountController = require('../controllers/ordersCountController'); const ordersController = require('../controllers/ordersController'); const weeklyReportsController = require('../controllers/weeklyReportsController'); router.get('/orders_count', ordersCountController); router.get('/orders', ordersController); router.get('/weekly_reports', weeklyReportsController); module.exports = router; My controllers/weeklyReportsController.js file: const weeklyReportsService = require('../services/weeklyReportsService'); const weeklyReportsController = async (req, res) => { try { const data = await weeklyReportsService; res.json({data}) console...

Confusion between commands.Bot and discord.Client | Which one should I use?

Whenever you look at YouTube tutorials or code from this website there is a real variation. Some developers use client = discord.Client(intents=intents) while the others use bot = commands.Bot(command_prefix="something", intents=intents) . Now I know slightly about the difference but I get errors from different places from my code when I use either of them and its confusing. Especially since there has a few changes over the years in discord.py it is hard to find the real difference. I tried sticking to discord.Client then I found that there are more features in commands.Bot . Then I found errors when using commands.Bot . An example of this is: When I try to use commands.Bot client = commands.Bot(command_prefix=">",intents=intents) async def load(): for filename in os.listdir("./Cogs"): if filename.endswith(".py"): client.load_extension(f"Cogs.{filename[:-3]}") The above doesnt giveany response from my Cogs ...