Instructions on resolving the issue: The type 'string | ChatCompletionContentPart[] | null' cannot be assigned to type 'ReactNode'

I've been working on my first Saas App, similar to a ChatGPT, using NextJs with the OpenAI Api. Most of the development was based on a YouTube tutorial until I encountered two errors caused by an update in the OpenAI version. Despite trying various solutions, I have been unable to resolve the issues.

Below is the code snippet from the page.tsx file where the errors occur.

"use client";

// Code snippet goes here

The errors are highlighted within the following code snippet:

  1. Type 'string | ChatCompletionContentPart[] | null' is not assignable to type 'Key | null | undefined'.

  2. Type 'string | ChatCompletionContentPart[] | null' is not assignable to type 'ReactNode'.

<div
                **key={message.content}**
                className={cn(
                  "p-8 w-fiull flex items-start gap-x-8 rounded-lg",
                  message.role === "user"
                    ? "bg-white border border-black/10"
                    : "bg-muted"
                )}
              >
                {message.role === "user" ? <UserAvatar /> : <BotAvatar />}
                <p className="text-sm">**{message.content**}</p>
              </div>

Refer to the route file called route.ts for the code below:

// Code snippet from route.ts

Despite seeking help from platforms like Stack Overflow and GitHub, none of the suggested solutions fixed my problems.

If anyone has a solution that can help me resolve these errors, your assistance would be greatly appreciated. Thank you!

Answer №1

An issue has been identified in the code where the key prop is not correctly assigning unique values to identify and track items in a list. Instead of using an array like ChatCompletionContentPart[], a string or null/undefined value should be used for each item. To resolve this error, ensure that a valid value is provided for the key prop.

Answer №2

By using String(message.content), we guarantee that the key prop is always a string value. It's important to verify that message.content is neither undefined nor null at this stage, as TypeScript flags these possibilities as potential issues.

key={String(message.content)}

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