docs: add fetch-jsonp

docs/src/pages/_meta.json

@@ -74,6 +74,7 @@
   "context-local-storage-state": {},
   "context-session-storage-state": {},
   "create-fixed-array": {},
+  "fetch-jsonp": {},
   "invariant-nullthrow": {},
   "noop": {},
   "no-ssr": {},

docs/src/pages/fetch-jsonp.mdx

@@ -0,0 +1,22 @@
+---
+title: fetchJsonp
+---
+
+# CurrentYear
+
+import ExportMetaInfo from '../components/export-meta-info';
+
+<ExportMetaInfo />
+
+Resolve JSONP request with a promise.
+
+## Usage
+
+```tsx copy
+import { fetchJsonp } from 'foxact/fetch-jsonp';
+
+const data = await fetchJsonp<T>(
+  // the `getUrl` function that passes the callback name
+  (callbackName) => 'https://api.example.com/data?callback=' + callbackName
+);
+```

src/fetch-jsonp/index.ts

@@ -6,6 +6,7 @@ declare global {
 
 const INTERNAL = '__foxact_jsonp_callbacks__SECRET_INTERNAL_DO_NOT_USE_OR_YOU_WILL_BE_FIRED';
 
+/** @see https://foxact.skk.moe/fetch-jsonp */
 export function fetchJsonp<T>(getUrl: (callbackName: string) => string) {
   if (typeof window === 'undefined') {
     throw new TypeError('fetchJsonp is only available in the browser');