I just realized I posted this in sqlalchemy but it's a React issue. Sorry
for the confusion. I'll find an appropriate React group somewhere.
Dale
On Thursday, August 20, 2020 at 1:23:22 PM UTC-5 Dale Preston wrote:
> Just more info; if I change res => res.json() to res => res.text(), I get
> the json as text.
>
> *{ "users": [ { "emailaddress": "[email protected]", "firstname":
> "Bob", "lastname": "Smith", "userid": "bsmith" }, { "emailaddress":
> "tomjones @otherdomain.com <http://otherdomain.com>", "firstname": "Tom",
> "lastname": "Jones", "userid": "tjones" }, { "emailaddress":
> "[email protected]", "firstname": "Carlinda", "lastname": "Gonzalez",
> "userid": "cgonz" }, { "emailaddress": "[email protected]", "firstname":
> "Thomas", "lastname": "April", "userid": "athom" } ] } *
>
> On Thursday, August 20, 2020 at 10:36:42 AM UTC-5 Dale Preston wrote:
>
>> I have a flask API that returns valid JSON. The Content-Type is
>> application/json. I assign it to state using useEffect. When I call on
>> the variable returned by useEffect, I get the error: *Error: Objects are
>> not valid as a React child*.
>>
>> I know that React is reading the JSON because I get various details. The
>> JSON returns a "users" table. If I assign the JSON to a variable named
>> "data" and I try to use "data" I get this detail showing that the users
>> table was recognized.
>>
>> *Error: Objects are not valid as a React child (found: object with keys
>> {users}). If you meant to render a collection of children, use an array
>> instead. *
>>
>> If I try to call on data.users, React gives this error showing it
>> successfully read the elements in the JSON:
>>
>> *Error: Objects are not valid as a React child (found: object with keys
>> {emailaddress, firstname, lastname, userid}). If you meant to render a
>> collection of children, use an array instead. *
>>
>> Complete details of my scenario, including code, is on StackOverflow at
>> https://stackoverflow.com/questions/63498019/objects-are-not-valid-as-a-react-child-or-how-to-consume-json-in-function-reac
>>
>> Any help in figuring out how to consume JSON from an API is appreciated.
>> I have seen a lot of threads and articles on various sites concerning this
>> same error but none have helped.
>>
>> Thanks in advance.
>>
>
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
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