From 275c0aa9b161063bbceb09e8be63dba5649746b6 Mon Sep 17 00:00:00 2001
From: Wilson Hobbs <wilsonhobbs1@gmail.com>
Date: Thu, 23 Nov 2017 15:22:25 -0500
Subject: [PATCH] feat(serve-index): add serve-index middleware

---
 src/serve-index/index.spec.ts | 34 ++++++++++++++++++++++++++++++++++
 src/serve-index/index.ts      | 25 +++++++++++++++++++++++++
 src/serve-index/package.json  | 28 ++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 src/serve-index/index.spec.ts
 create mode 100644 src/serve-index/index.ts
 create mode 100644 src/serve-index/package.json

diff --git a/src/serve-index/index.spec.ts b/src/serve-index/index.spec.ts
new file mode 100644
index 0000000..8502318
--- /dev/null
+++ b/src/serve-index/index.spec.ts
@@ -0,0 +1,34 @@
+import { ServeIndexMiddleware } from './index';
+import { expect } from 'chai';
+
+describe('ServeIndexMiddleware', () => {
+    let middleware: ServeIndexMiddleware;
+    describe('properly configured', () => {
+        beforeEach(() => {
+            ServeIndexMiddleware.configure('./lerna.json', {});
+            middleware = new ServeIndexMiddleware();
+        });
+
+        it('should be defined', () => {
+            expect(middleware).to.not.be.undefined;
+        });
+
+        it('should have a function called resolve', () => {
+            expect(middleware.resolve).to.be.instanceof(Function);
+        });
+
+        it('should should return a middleware from calling resolve', () => {
+            expect(middleware.resolve()).to.be.an.instanceof(Function);
+        });
+        afterEach(() => {
+            ServeIndexMiddleware.configure(undefined);
+        });
+    });
+
+    describe('not configured', () => {
+        middleware = new ServeIndexMiddleware();
+        it('should should return a middleware from calling resolve', () => {
+            expect(middleware.resolve.bind(middleware)).to.throw(Error);
+        });
+    });
+});
diff --git a/src/serve-index/index.ts b/src/serve-index/index.ts
new file mode 100644
index 0000000..342c13f
--- /dev/null
+++ b/src/serve-index/index.ts
@@ -0,0 +1,25 @@
+import * as serveIndex from 'serve-index';
+
+import { Middleware, NestMiddleware } from '@nestjs/common';
+
+import { RequestHandler } from 'express';
+
+@Middleware()
+export class ServeIndexMiddleware implements NestMiddleware {
+
+    public static configure(path: string, opts?: serveIndex.Options) {
+        this.path = path;
+        this.options = opts;
+    }
+
+    private static options: serveIndex.Options;
+    private static path: string;
+
+    public resolve(...args: any[]): RequestHandler {
+        if (ServeIndexMiddleware.options) {
+            return serveIndex(ServeIndexMiddleware.path, ServeIndexMiddleware.options);
+        } else {
+            throw new Error('ServeIndexMiddleware requires a path in configure.');
+        }
+    }
+}
diff --git a/src/serve-index/package.json b/src/serve-index/package.json
new file mode 100644
index 0000000..b993a31
--- /dev/null
+++ b/src/serve-index/package.json
@@ -0,0 +1,28 @@
+{
+  "name": "@nest-middlewares/serve-index",
+  "version": "1.0.0",
+  "description": "NestJS Middleware for Serve Index",
+  "main": "index",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/wbhob/nest-middlewares.git"
+  },
+  "keywords": [
+    "nest",
+    "middlewares",
+    "express",
+    "node"
+  ],
+  "author": "Wilson Hobbs <wilsonhobbs1@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/wbhob/nest-middlewares/issues"
+  },
+  "homepage": "https://github.com/wbhob/nest-middlewares#readme",
+  "peerDependencies": {
+    "@nestjs/common": "^4.0.0"
+  },
+  "dependencies": {
+    "serve-index": "^1.9.1"
+  }
+}