[@types/koa-html-minifier] Add type definitions (#27691)

* Add koa-router's Router to koa's Context

* [@types/koa-html-minifier] Add type definitions

* Fix incorrect TypeScript version

types/koa-html-minifier/index.d.ts

@@ -0,0 +1,14 @@
+// Type definitions for koa-html-minifier 1.0
+// Project: https://github.com/koajs/html-minifier
+// Definitions by: Romain Faust <https://github.com/romain-faust>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+import { Middleware } from 'koa';
+import { Options } from 'html-minifier';
+
+declare function minifier(options?: Options): Middleware;
+
+declare namespace minifier {}
+
+export = minifier;

types/koa-html-minifier/koa-html-minifier-tests.ts

@@ -0,0 +1,8 @@
+import * as Koa from 'koa';
+import * as KoaHtmlMinifier from 'koa-html-minifier';
+
+const app = new Koa()
+    .use(KoaHtmlMinifier())
+    .use(KoaHtmlMinifier({
+        collapseWhitespace: true
+    }));

types/koa-html-minifier/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "koa-html-minifier-tests.ts"
+    ]
+}

types/koa-html-minifier/tslint.json

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