Created
September 20, 2023 10:41
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remix loader/action wrapper for testing
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| import type { ActionArgs, LoaderArgs } from "@vercel/remix"; | |
| import type { Params } from "@remix-run/react"; | |
| type Handler<T> = ((args: LoaderArgs) => T) | ((args: ActionArgs) => T); | |
| type TesterArgs = { | |
| path?: string; | |
| body?: Record<string, string>; | |
| headers?: HeadersInit; | |
| params?: Params; | |
| }; | |
| export async function tester<T>( | |
| handler: Handler<T>, | |
| { path = "", body, headers, params }: TesterArgs | |
| ) { | |
| const request = new Request(`http://pos.kanpla.dk/${path}`, { | |
| method: handler.name === "loader" ? "GET" : "POST", | |
| ...(handler.name === "action" && { body: new URLSearchParams(body) }), | |
| headers, | |
| }); | |
| // try-catch needed in order to catch Response objects (thrown redirects) | |
| try { | |
| const res = await handler({ | |
| request, | |
| params: params ?? {}, | |
| context: {}, | |
| }); | |
| return res; | |
| } catch (e) { | |
| if (e instanceof Response) { | |
| return e; | |
| } else { | |
| throw e; | |
| } | |
| } | |
| } | |
| // example usage | |
| const response = await tester(loader, { | |
| headers: cookie, | |
| path: "location", | |
| }); | |
| const response = await tester(action, { | |
| body, | |
| }); |
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