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import {JsonStruct, QueryInit} from "./web.d.ts";
/*** Option to remove `window` from `RequestInit` and add `query` for query string.*/export interface FetchInit extends Omit<RequestInit, "window">{    query?: QueryInit;}
/*** A map of fetch response types and strings specifying them.*/export interface FetchResponseType{    "text": string;    "json": JsonStruct;    "form": FormData;    "byte": Uint8Array;    "buffer": ArrayBuffer;    "blob": Blob;    "ok": boolean;    "code": number;    "header": Headers;    "response": Response;}
/*** Extended fetch function that can directly specify the response type.* @param path Since the query string is ignored, please specify it in the `option.query` property instead of writing it directly in the URL.* @param type The type you want to receive in the response.* @param option `window` is removed from `RequestInit` and `query` is added to write the query string.* @return response from the server specified by `type`.*/export async function fetchExtend<T extends keyof FetchResponseType>(path:string, type:T, option?:FetchInit){    const {origin, pathname} = /^http(s|):\/\//i.test(path) ? new URL(path) : new URL(path, location.href);    const query = new URLSearchParams(option?.query).toString();
    const response = await fetch(`${origin}${pathname}${query && "?"}${query}`, {        method: option?.method ?? "GET",        credentials: option?.credentials ?? "omit",        mode: option?.mode ?? "cors",        cache: option?.cache ?? "no-cache",        redirect: option?.redirect ?? "follow",        keepalive: option?.keepalive ?? false,        referrerPolicy: option?.referrerPolicy ?? "no-referrer",        referrer: option?.referrer ?? "",        integrity: option?.integrity ?? "",        signal: option?.signal ?? null,        headers: option?.headers ?? {},        body: option?.body ?? null,        window: null    });
    switch(type){        case "text": return <FetchResponseType[T]>await response.text();        case "json": return <FetchResponseType[T]>await response.json();        case "form": return <FetchResponseType[T]>await response.formData();        case "byte": return <FetchResponseType[T]>new Uint8Array(await response.arrayBuffer());        case "buffer": return <FetchResponseType[T]>await response.arrayBuffer();        case "blob": return <FetchResponseType[T]>await response.blob();        case "ok": return <FetchResponseType[T]>response.ok;        case "code": return <FetchResponseType[T]>response.status;        case "header": return <FetchResponseType[T]>response.headers;        case "response": return <FetchResponseType[T]>response;        default: throw new Error();    }}