feature/DTX-94 add hook for global middleware function

README.md

@@ -124,7 +124,9 @@ See [example app](/example/) for more details
 
 ### Parameters
 
-- **`options`** (`Object`) - An object containing the options for configuring the application. Defaults to `{ middlewareSetupFn: undefined }` if not provided.
+- **`options`** (`Object`) - Configuration options for the application:
+  - **`globalMiddlewareSetupFn`** (`Function`, optional) - Configures the global middleware setup process. Defaults to `undefined`.
+  - **`middlewareSetupFn`** (`Function`, optional) - Configures the middleware setup process. Defaults to `undefined`.
 
 ### Returns
 

index.js

@@ -11,6 +11,7 @@ const redisClient = require('./lib/redis-client');
  * The setup process can be customized using the provided `options` object. The function will initialize the components based on the options provided, or default to values from the `config` module.
  *
  * @param {Object} [options={middlewareSetupFn: undefined}] - Configuration options to customize the setup process.
+ * @param {Object} [options={globalMiddlewareSetupFn: undefined}] - Configuration options to customize the global middleware setup process.
  * @param {Object} [options.config] - Optional configuration for the `config.setup()` method. Set to `false` to skip configuration setup.
  * @param {Object} [options.logs] - Optional configuration for logging. Merged with the default config fetched by `config.get('logs')`. Set to `false` to skip log setup.
  * @param {Object} [options.redis] - Optional configuration for the Redis client. Merged with the default config fetched by `config.get('redis')`. Set to `false` to skip Redis setup.
@@ -42,7 +43,8 @@ const redisClient = require('./lib/redis-client');
  */
 
 const setup = (options = {
-    middlewareSetupFn: undefined
+    middlewareSetupFn: undefined,
+    globalMiddlewareSetupFn: undefined
 }) => {
     if (options.config !== false) config.setup(options.config);
 
@@ -56,7 +58,14 @@ const setup = (options = {
         ...options.redis
     });
 
-    const app = middleware.setup({
+    let app = express();
+
+    if (options.globalMiddlewareSetupFn && typeof options.globalMiddlewareSetupFn === 'function') {
+        options.globalMiddlewareSetupFn(app);
+    }
+
+    app = middleware.setup({
+        app,
         ...config.get(),
         ...options
     });

middleware/index.js

@@ -1,5 +1,4 @@
 const path = require('path');
-const express = require('express');
 const logger = require('../lib/logger');
 
 const requiredArgument = argName => {
@@ -8,6 +7,7 @@ const requiredArgument = argName => {
 
 const middleware = {
     setup({
+        app = requiredArgument('app'),
         env = process.env.NODE_ENV,
         urls = {},
         featureFlags,
@@ -45,9 +45,6 @@ const middleware = {
         urls.version = urls.version === undefined ? '/version' : urls.version;
         urls.healthcheck = urls.healthcheck === undefined ? '/healthcheck' : urls.healthcheck;
 
-        // create new express app
-        const app = express();
-
         // environment
         env = (env || 'development').toLowerCase();
         app.set('env', env);

package.json

@@ -13,7 +13,7 @@
   "scripts": {
     "pretest": "npm run test:lint",
     "test": "npm run test:unit",
-    "posttest": "npm audit",
+    "posttest": "npm audit --registry='https://registry.npmjs.org'",
     "test:lint": "eslint .",
     "test:unit": "nyc _mocha",
     "prepare": "husky"