response.ts

import type { PlainObject } from './types.ts';
import { isPlainObject } from './util.ts';

// 2xx
export const OK = <T = PlainObject>(body: BodyInit | T, headers = {}) => {
	const init = { status: 200, headers };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

export const Created = <T = PlainObject>(
	body: BodyInit | T = '',
	headers = {},
) => {
	const init = { status: 201, headers };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

export const Accepted = (headers = {}) => new Response('', { status: 202, headers });

export const NoContent = (headers = {}) => new Response('', { status: 204, headers });

// 3xx
export const Redirect = (url: string, status = 302) => Response.redirect(url, status);

// 4xx
export const BadRequest = <T = PlainObject>(body: BodyInit | T = '') => {
	const init = { status: 400 };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

export const Unauthorized = <T = PlainObject>(body: BodyInit | T = '') => {
	const init = { status: 401 };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

export const Forbidden = <T = PlainObject>(body: BodyInit | T = '') => {
	const init = { status: 403 };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

export const NotFound = (headers = {}) => new Response('Not Found', { status: 404, headers });

export const MethodNotAllowed = () => new Response('', { status: 405 });

export const NotAcceptable = () => new Response('', { status: 406 });

export const Conflict = <T = PlainObject>(body: BodyInit | T = '') => {
	const init = { status: 409 };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

// 5xx
export const InternalServerError = <T = PlainObject>(
	body: BodyInit | T = '',
) => {
	const init = { status: 500 };
	return isPlainObject<T>(body) || Array.isArray(body)
		? Response.json(body, init)
		: new Response(body, init);
};

// Special case (type-related)

export const HTML = (body: string | ReadableStream, headers = {}) =>
	new Response(body, {
		status: 200,
		headers: { ...headers, 'Content-Type': 'text/html; charset=utf-8' },
	});

export const Plain = (body?: BodyInit, init?: ResponseInit) => new Response(body, init);