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", "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.
>
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