fix(global): inject the global variables into the server (#55)

fix(global): inject the global variables into the server

guides/global.md

@@ -35,5 +35,19 @@ module.exports = handler(() => {
     hello: 'world',
   };
 });
+```
+
+**Additionally, if you are using `light dev` or `light server`, the global variables get injected into the server under the `light` variable.** This is controversial because many people are against global variables and they are right, BUT if you do atomic actions such as logging or incrementing a counter, it shouldn't really matter.
+
+```javascript
+const { route } = require('light');
+
+const { handler } = route();
 
+module.exports = handler(() => {
+  light.logger.log('hello world!'); // no need to import anything
+  return {
+    hello: 'world',
+  };
+});
 ```

src/server.ts

@@ -6,6 +6,7 @@ import findRoutes from './utils/find-routes';
 import RouteType from './types/route';
 import importRoutes from './utils/import-routes';
 import addRoute from './utils/add-route';
+import glob from './global';
 
 interface Light {
   server: Server;
@@ -23,6 +24,8 @@ const app = ({
   routes: string | RouteType[];
   opts?: any;
 }): Light => {
+  const g = glob();
+  (global as any).light = g;
   const router = Router({
     ignoreTrailingSlash: true,
     defaultRoute: (req: IncomingMessage, res: ServerResponse): void => {