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I'm using express - next.js in my application and I'm passing some configuration to the client from the server through the res.locals, my project is in typescript and I using "@types/next": "^8.0.6".
the problem: typescript say "Property 'locals' does not exist on type 'ServerResponse | Partial<ServerResponse>'."
Expected answer:
- a way to overwrite "NextContext.res" or "NextResponse" to be equal to Express.res instead of http.ServerResponse
- A way to overwrite NextResponse to add locals: any | {x:strong}.
this is the simplify example of what we have and how to reproduce:
import React from 'react';
import Document, { Head, Main, NextScript } from 'next/document';
type Props = {
locals: {};
}
export default class MyDocument extends Document<Props> {
render() {
const { locals } = this.props;
return (
<html>
<Head>
<ComponentUsingLocalsInfo locals={locals} />
</Head>
<body>
<Main />
<NextScript />
</body>
</html>
)
}
}
MyDocument.getInitialProps = async (ctx) => {
const { locals } = ctx.res;
const initialProps = await Document.getInitialProps(ctx);
return {
...initialProps,
locals,
}
}
767
For a quick solution this is what worked for me:
import { Response } from 'express';
MyDocument.getInitialProps = async (ctx) => {
const { locals } = (ctx.res as Response);
}
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