update

node_modules/unfetch/src/index.d.ts

@@ -2,16 +2,45 @@ import {
   Body as NodeBody,
   Headers as NodeHeaders,
   Request as NodeRequest,
-  Response as NodeResponse
+  Response as NodeResponse,
+  RequestInit as NodeRequestInit
 } from "node-fetch";
 
 declare namespace unfetch {
   export type IsomorphicHeaders = Headers | NodeHeaders;
   export type IsomorphicBody = Body | NodeBody;
   export type IsomorphicResponse = Response | NodeResponse;
-  export type IsomorphicRequest = Request | NodeRequest
+  export type IsomorphicRequest = Request | NodeRequest;
+  export type IsomorphicRequestInit = RequestInit | NodeRequestInit;
 }
 
-declare const unfetch: typeof fetch;
+type UnfetchResponse = {
+	ok: boolean,
+	statusText: string,
+	status: number,
+	url: string,
+	text: () => Promise<string>,
+	json: () => Promise<any>,
+	blob: () => Promise<Blob>,
+	clone: () => UnfetchResponse,
+	headers: {
+		keys: () => string[],
+		entries: () => Array<[string, string]>,
+		get: (key: string) => string | undefined,
+		has: (key: string) => boolean,
+	}
+}
+
+type Unfetch = (
+	url: string,
+	options?: {
+		method?: string,
+		headers?: Record<string, string>,
+		credentials?: 'include' | 'omit',
+		body?: Parameters<XMLHttpRequest["send"]>[0]
+	}
+) => Promise<UnfetchResponse>
+
+declare const unfetch: Unfetch;
 
 export default unfetch;

node_modules/unfetch/src/index.mjs

@@ -12,7 +12,7 @@ export default function(url, options) {
 			status: request.status,
 			url: request.responseURL,
 			text: () => Promise.resolve(request.responseText),
-			json: () => Promise.resolve(JSON.parse(request.responseText)),
+			json: () => Promise.resolve(request.responseText).then(JSON.parse),
 			blob: () => Promise.resolve(new Blob([request.response])),
 			clone: response,
 			headers: {