Merge pull request #171 from PepsRyuu/HostOption

Host option

Author: PepsRyuu

docs/cli.md

@@ -19,6 +19,7 @@ The following flags can be passed into Nollup CLI. You can find a full descripti
 * ```--port [port]```
 * ```--verbose```
 * ```--hmr-host [host]```
+* ```--host [host]```
 * ```--public-path [folder]```
 * ```--environment [variables]```
 * ```--https```

docs/dev-server.md

@@ -30,6 +30,7 @@ The following options can be passed into Nollup Dev Server. You can find a full
 * ```Boolean verbose```
 * ```String headers```
 * ```String hmrHost```
+* ```String host```
 * ```String contentBase```
 * ```String publicPath```
 * ```Object proxy```

docs/options.md

@@ -15,6 +15,7 @@ This list provides a description of all of the options for the [CLI](./cli.md),
 | ```Boolean``` | ```verbose``` | Enable verbose logging. Default is ```false```. |
 | ```Object``` | ```headers``` | Provide custom headers for Express server responses. Useful to set cors headers for the server. |
 | ```String``` | ```hmrHost``` | Host to connect to for HMR. Default is ```window.location.host```. Useful for Electron environments. |
+| ```String``` | ```host``` | Specify the host to use. Default is ```localhost```. Useful for allowing remote connections, eg. ```0.0.0.0```|
 | ```Function``` | ```before``` | Receives Express app as argument. You can inject custom middleware before Nollup dev middleware. |
 | ```Function``` | ```after``` | Receives Express app as argument. You can inject custom middleware after Nollup dev middleware. |
 | ```Boolean``` | ```https``` | Enable https. Default is ```false```. Requires ```key``` and ```cert``` to be set |

lib/cli.js

@@ -20,6 +20,7 @@ let options = {
     verbose: false,
     hmrHost: undefined,
     https: false,
+    host: 'localhost'
 };
 
 function getValue (index) {
@@ -111,6 +112,15 @@ for (let i = 0; i < process.argv.length; i++) {
             }
             break;
 
+        case '--host':
+            value = getValue(i);
+            if (value) {
+                options.host = value;
+            } else {
+                throw new Error('Missing host for host option.');
+            }
+            break;
+
         case '--https': 
             options.https = true;
             break;

lib/dev-server.js

@@ -94,9 +94,9 @@ async function devServer(options) {
         app.use(fallback(entryPoint, { root: options.contentBase }));
     }
 
-    server.listen(options.port);
+    server.listen(options.port, options.host || 'localhost');
 
-    console.log(`[Nollup] Listening on ${options.https ? 'https' : 'http'}://localhost:${options.port}`);
+    console.log(`[Nollup] Listening on ${options.https ? 'https' : 'http'}://${options.host || 'localhost'}:${options.port}`);
 }
 
 module.exports = devServer