developit · developit · Dec 25, 2017 · Sep 25, 2017 · Oct 22, 2017 · Oct 22, 2017
diff --git a/package.json b/package.json
@@ -31,6 +31,7 @@
     "Jason Miller <[email protected]>"
   ],
   "license": "MIT",
+  "types": "src/index.d.ts",
   "files": [
     "src",
     "dist",

diff --git a/packages/isomorphic-unfetch/index.d.ts b/packages/isomorphic-unfetch/index.d.ts
@@ -0,0 +1,19 @@
+import {
+  Body as NodeBody,
+  Headers as NodeHeaders,
+  Request as NodeRequest,
+  Response as NodeResponse
+} 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
+}
+
+declare const unfetch: typeof fetch;
+
+declare module "isomorphic-unfetch" {
+  export = unfetch;
+}
diff --git a/packages/isomorphic-unfetch/package.json b/packages/isomorphic-unfetch/package.json
@@ -4,6 +4,7 @@
   "description": "Switches between unfetch & node-fetch for client & server.",
   "browser": "browser.js",
   "main": "index.js",
+  "types": "index.d.ts",
   "dependencies": {
     "node-fetch": "^1.7.1",
     "unfetch": "^3.0.0"

diff --git a/src/index.d.ts b/src/index.d.ts
@@ -0,0 +1,19 @@
+import {
+  Body as NodeBody,
+  Headers as NodeHeaders,
+  Request as NodeRequest,
+  Response as NodeResponse
+} 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
+}
+
+declare const unfetch: typeof fetch;
+
+declare module "unfetch" {
+  export = unfetch;
+}