repos / starfx

util.ts

 1import type { ApiRequest, RequiredApiRequest } from "./types.ts";
 2
 3export function* noop() {}
 4// deno-lint-ignore no-explicit-any
 5export const isFn = (fn?: any) => fn && typeof fn === "function";
 6// deno-lint-ignore no-explicit-any
 7export const isObject = (obj?: any) => typeof obj === "object" && obj !== null;
 8
 9export const mergeHeaders = (
10  cur?: HeadersInit,
11  next?: HeadersInit,
12): HeadersInit => {
13  if (!cur && !next) return {};
14  if (!cur && next) return next;
15  if (cur && !next) return cur;
16  return { ...cur, ...next };
17};
18
19export const mergeRequest = (
20  cur?: ApiRequest | null,
21  next?: ApiRequest | null,
22): RequiredApiRequest => {
23  const defaultReq = { url: "", method: "GET", headers: mergeHeaders() };
24  if (!cur && !next) return { ...defaultReq, headers: mergeHeaders() };
25  if (!cur && next) return { ...defaultReq, ...next };
26  if (cur && !next) return { ...defaultReq, ...cur };
27  return {
28    ...defaultReq,
29    ...cur,
30    ...next,
31    headers: mergeHeaders(cur?.headers, next?.headers),
32  };
33};