Add @firebase/storage-types stub

Author: jshcrowthe

packages/storage-types/index.d.ts

@@ -0,0 +1,17 @@
+import { FirebaseApp, FirebaseNamespace } from "@firebase/app-types";
+
+export class FirebaseStorage {
+  constructor();
+}
+
+declare module '@firebase/app-types' {
+  interface FirebaseNamespace {
+    storage?: {
+      (app?: FirebaseApp): FirebaseStorage;
+      Storage: typeof FirebaseStorage
+    }
+  }
+  interface FirebaseApp {
+    storage?(): FirebaseStorage;
+  }
+}

packages/storage-types/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "@firebase/storage-types",
+  "version": "0.1.0",
+  "description": "@firebase/storage Types",
+  "license": "Apache-2.0",
+  "scripts": {
+    "test": "tsc"
+  },
+  "files": [
+    "index.d.ts"
+  ],
+  "peerDependencies": {
+    "@firebase/app-types": "^0.1.0"
+  },
+  "devDependencies": {
+    "typescript": "^2.4.2"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/firebase/firebase-js-sdk/tree/master/packages/storage-types"
+  },
+  "bugs": {
+    "url": "https://github.com/firebase/firebase-js-sdk/issues"
+  }
+}

packages/storage-types/test/default.test.ts

@@ -0,0 +1,3 @@
+import { firebase } from "@firebase/app";
+import "@firebase/storage";
+

packages/storage-types/tsconfig.json

@@ -0,0 +1,9 @@
+{
+  "extends": "../../config/tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "dist"
+  },
+  "exclude": [
+    "dist/**/*"
+  ]
+}