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import {
type IEither,
isEither,
type ITraceable,
} from "@emprespresso/pengueno";
export type ResponseBody = object | string;
export type TResponseInit = ResponseInit & { status: number };
const withJsonResponseType = (opts: TResponseInit): TResponseInit => {
return {
...opts,
headers: {
"Content-Type": "application/json",
...(opts?.headers),
},
};
};
export class JsonResponse extends Response {
constructor(
e: ITraceable<IEither<ResponseBody, ResponseBody>>,
opts: TResponseInit,
) {
const responseOpts = withJsonResponseType(opts);
const baseBody = {
responseTime: Date.now(),
};
if (isEither<ResponseBody, ResponseBody>(e)) {
super(
JSON.stringify(
e.fold((err, ok) => err ? ({ error: err! }) : ({ ok: ok! })),
),
responseOpts,
);
return;
}
super(
JSON.stringify(
(Math.floor(responseOpts.status / 100) < 4) ? { ok: e } : { error: e },
),
responseOpts,
);
}
}
|
