fetch API + async-await + TypeScript

fetch-typeScript-async-await.ts

// declaring fetch + async-await + TypeScript
export async function get<T>(
  path: string,
  args: RequestInit = { method: "get" }
): Promise<HttpResponse<T>> {
  return await http<T>(new Request(path, args));
};

export async function post<T>(
  path: string,
  body: any,
  args: RequestInit = { method: "post", body: JSON.stringify(body) }
): Promise<HttpResponse<T>>  {
  return await http<T>(new Request(path, args));
};

export async function put<T>(
  path: string,
  body: any,
  args: RequestInit = { method: "put", body: JSON.stringify(body) }
): Promise<HttpResponse<T>> {
  return await http<T>(new Request(path, args));
};

...

// example consuming code
const response = await post<{ id: number }>(
  "https://jsonplaceholder.typicode.com/posts",
  { title: "my post", body: "some content" }
);