feat(morgan): add middleware for morgan

src/morgan/index.spec.ts

@@ -0,0 +1,34 @@
+import { MorganMiddleware } from './index';
+import { expect } from 'chai';
+
+describe('MorganMiddleware', () => {
+    let middleware: MorganMiddleware;
+    describe('properly configured', () => {
+        beforeEach(() => {
+            MorganMiddleware.configure('tiny');
+            middleware = new MorganMiddleware();
+        });
+
+        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);
+        });
+    });
+
+    describe('not configured', () => {
+        middleware = new MorganMiddleware();
+        it('should should throw when not passed a format', () => {
+            expect(middleware.resolve.bind(middleware)).to.throw(Error);
+        });
+    });
+    afterEach(() => {
+        MorganMiddleware.configure(undefined);
+    });
+});

src/morgan/index.ts

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+import * as morgan from 'morgan';
+
+import { Middleware, NestMiddleware } from '@nestjs/common';
+
+import { RequestHandler } from 'express';
+
+@Middleware()
+export class MorganMiddleware implements NestMiddleware {
+
+    // DELETE THESE LINES IF MIDDLEWARE DOES NOT TAKE OPTIONS
+    public static configure(format: string | morgan.FormatFn, opts?: morgan.Options) {
+        this.format = format;
+        this.options = opts;
+    }
+
+    private static options: morgan.Options;
+    private static format: string | morgan.FormatFn;
+
+    public resolve(...args: any[]): RequestHandler {
+        if (MorganMiddleware.format) {
+            return morgan(MorganMiddleware.format as any, MorganMiddleware.options);
+        } else {
+            throw new Error('MorganMiddleware must be configured with a logger format.');
+        }
+    }
+}

src/morgan/package.json

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+{
+  "name": "@nest-middlewares/morgan",
+  "version": "1.0.0",
+  "description": "NestJS middleware for Morgan",
+  "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": {
+    "morgan": "^1.9.0"
+  }
+}