Merge pull request #22123 from wanganjun/master

add types for express-promise-router 2.0

types/express-promise-router/express-promise-router-tests.ts

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+import Router = require("express-promise-router");
+
+const router = Router();
+
+router.get("/", (req, res) => {
+    // equivalent to calling next()
+    return Promise.resolve('next');
+});
+
+router.post("/", async (req, res) => {
+    // ...
+});

types/express-promise-router/index.d.ts

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+// Type definitions for express-promise-router 2.0
+// Project: https://github.com/express-promise-router/express-promise-router
+// Definitions by: Anjun Wang <https://github.com/wanganjun>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+/* =================== USAGE ===================
+import Router = require('express-promise-router');
+
+const router = Router();
+
+router.get('/', (req, res) => {
+    // equivalent to calling next()
+    return Promise.resolve('next');
+})
+
+router.post('/', async (req, res) => {
+    // ...
+})
+
+export default router;
+ =============================================== */
+
+import { Router } from "express";
+
+/**
+ * A simple wrapper for Express 4's Router that allows middleware to return
+ * promises. If the promise is rejected, `express-promise-router` will call next
+ * with the reason
+ */
+declare const PromiseRouter: typeof Router;
+export = PromiseRouter;

types/express-promise-router/tsconfig.json

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

types/express-promise-router/tslint.json

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+{ "extends": "dtslint/dt.json" }