Add refresh-fetch types (#42308)

* added typings for refresh-fetch

* fixed lint errors

* small fixes

types/refresh-fetch/index.d.ts

@@ -0,0 +1,19 @@
+// Type definitions for refresh-fetch 0.6
+// Project: https://github.com/vlki/refresh-fetch
+// Definitions by: Alex Lisenkov <https://github.com/AlexLisenkov>
+//                 Pieter Braam <https://github.com/ppbraam>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
+
+export function configureRefreshFetch<T>(
+  configuration: {
+    fetch: T;
+    refreshToken: () => Promise<void>;
+    shouldRefreshToken: (error: any) => boolean;
+  }): T;
+
+export function fetchJSON<ResponseBody>(url: string | Request | URL, options?: object): Promise<{
+  /* tslint:disable-next-line no-unnecessary-generics */
+  body: ResponseBody;
+  response: Response;
+}>;

types/refresh-fetch/refresh-fetch-tests.ts

@@ -0,0 +1,22 @@
+import { configureRefreshFetch, fetchJSON } from 'refresh-fetch';
+
+const fetchJSONWithToken = (url: string, options?: RequestInit): Promise<{ body: {}; response: Response }> => {
+  return fetchJSON(url, options);
+};
+
+const refreshToken = (): Promise<void> => {
+  return fetchJSON<{
+    refreshToken: string;
+  }>(
+    'url',
+    {},
+  ).then(() => {
+    return;
+  });
+};
+
+const fetch = configureRefreshFetch({
+  fetch: fetchJSONWithToken,
+  shouldRefreshToken: (): boolean => true,
+  refreshToken,
+});

types/refresh-fetch/tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "lib": [
+      "es6",
+      "dom"
+    ],
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "baseUrl": "../",
+    "typeRoots": [
+      "../"
+    ],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "files": [
+    "index.d.ts",
+    "refresh-fetch-tests.ts"
+  ]
+}

types/refresh-fetch/tslint.json

@@ -0,0 +1,3 @@
+{
+  "extends": "dtslint/dt.json"
+}