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TypeError: Converting circular structure to JSON

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YOU.com answered on September 22, 2020 Popularity 9/10 Helpfulness 2/10

answer TypeError: Converting circular structure to JSON

related UnhandledPromiseRejectionWarning: TypeError: Converting circular structure to JSON

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related TypeError: Converting circular structure to JSON --> starting at object with constructor 'NativeTopology'

TypeError: Converting circular structure to JSON

Comment

const circularObject = {
  prop1: 'value1'
};

circularObject.self = circularObject; // Adding a circular reference

try {
  const jsonString = JSON.stringify(circularObject, function (key, value) {
    if (typeof value === 'object' && value !== null) {
      if (value === circularObject) {
        return '[Circular Reference]';
      }
    }
    return value;
  });
  console.log(jsonString);
} catch (err) {
  console.error(err);
}

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

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UnhandledPromiseRejectionWarning: TypeError: Converting circular structure to JSON

Comments(1)

I also ran into this issue. It was because I forgot to await for a promise.

Popularity 10/10 Helpfulness 3/10 Language javascript

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Tags: javascript j

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Contributed on Oct 17 2020

Brave Bee

0 Answers Avg Quality 2/10

Converting circular structure to JSON

Comment

//The error means that the object you pass in the request has a circular reference, something like:

var a = {};
a.b = a;

Popularity 10/10 Helpfulness 2/10 Language javascript

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Tags: javascript j

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Contributed on Sep 22 2020

Confused Cow

0 Answers Avg Quality 2/10

TypeError: Converting circular structure to JSON

Comments(1)

I run into this issue, because i was sending as response the full response of another api call instead of just the data i needed.

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Tags: javascript j

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Contributed on Oct 29 2021

Selfish Spider

0 Answers Avg Quality 2/10

converting circular structure to json

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var win = window.open('http://www.google.com', 'google','width=800,height=600,status=0,toolbar=0'); 
var timer = setInterval(function() { 
    if(win.closed) {
        clearInterval(timer);
        alert('closed');
    }
}, 1000);

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Source: atashbahar.com

Tags: javascript j

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Contributed on Apr 27 2022

0 Answers Avg Quality 2/10

ERROR TypeError: Converting circular structure to JSON - Solution

Comment

ficheiro.html
<form novalidate #formulario="ngForm">

<pre>{{ formulario.form | json }}</pre>

</form>

Result : ficheiro.html

{
  "_hasOwnPendingAsyncValidator": false,
  "_parent": null,
  "pristine": true,
  "touched": false,
  "_onDisabledChange": [],
  "_rawValidators": null,
  "_rawAsyncValidators": null,
  "_composedValidatorFn": null,
  "_composedAsyncValidatorFn": null,
  "controls": {},
  "valueChanges": {
    "_isScalar": false,
    "observers": [],
    "closed": false,
    "isStopped": false,
    "hasError": false,
    "thrownError": null,
    "__isAsync": false
  },
  "statusChanges": {
    "_isScalar": false,
    "observers": [],
    "closed": false,
    "isStopped": false,
    "hasError": false,
    "thrownError": null,
    "__isAsync": false
  },
  "status": "VALID",
  "value": {},
  "errors": null
}

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Contributed on Jul 27 2021

Wide-eyed Wolf

0 Answers Avg Quality 2/10

converting circular structure to json

Comment

check if you have not added async and await

full problem can be like this:
Converting circular structure to JSON
    --> starting at object with constructor 'MongoClient'
    |     property 's' -> object with constructor 'Object'
    |     property 'sessionPool' -> object with constructor 'ServerSessionPool'
    --- property 'client' closes the circle

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Contributed on Oct 20 2022

Bored Buzzard

0 Answers Avg Quality 2/10

TypeError: Converting circular structure to JSON --> starting at object with constructor 'NativeTopology'

Comment

I forget to include await in my function and then trying to use a mongodb function which was expecting a promise. Thus i got the error.

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: constructor javascript object structure to-json

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Contributed on Jul 22 2022

Suman Parajuli

0 Answers Avg Quality 2/10

TypeError: Converting circular structure to JSON

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TypeError: Converting circular structure to JSON

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TypeError: Converting circular structure to JSON --> starting at object with constructor 'NativeTopology'

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