47 lines
1.6 KiB
TypeScript
47 lines
1.6 KiB
TypeScript
"use strict";
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import { arrayify } from "@ethersproject/bytes";
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import type { GetUrlResponse, Options } from "./types";
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export { GetUrlResponse, Options };
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export async function getUrl(href: string, options?: Options): Promise<GetUrlResponse> {
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if (options == null) { options = { }; }
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const request: RequestInit = {
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method: (options.method || "GET"),
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headers: (options.headers || { }),
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body: (options.body || undefined),
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};
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if (options.skipFetchSetup !== true) {
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request.mode = <RequestMode>"cors"; // no-cors, cors, *same-origin
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request.cache = <RequestCache>"no-cache"; // *default, no-cache, reload, force-cache, only-if-cached
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request.credentials = <RequestCredentials>"same-origin"; // include, *same-origin, omit
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request.redirect = <RequestRedirect>"follow"; // manual, *follow, error
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request.referrer = "client"; // no-referrer, *client
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};
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const response = await fetch(href, request);
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const body = await response.arrayBuffer();
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const headers: { [ name: string ]: string } = { };
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if (response.headers.forEach) {
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response.headers.forEach((value, key) => {
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headers[key.toLowerCase()] = value;
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});
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} else {
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(<() => Array<string>>((<any>(response.headers)).keys))().forEach((key) => {
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headers[key.toLowerCase()] = response.headers.get(key);
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});
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}
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return {
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headers: headers,
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statusCode: response.status,
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statusMessage: response.statusText,
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body: arrayify(new Uint8Array(body)),
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}
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}
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