Adding cross platform way to run app in 1 command (#2485)

* Adding cross platform way to run app in 1 command

* Fixing readme

Author: hartra344

README.md

@@ -10,35 +10,11 @@
 
  ``` bash
 git clone [email protected]:Azure/azure-functions-ux.git
-# there are 2 places to restore packages in
-cd azure-functions-ux/server
-yarn install
-yarn run gulp build-all
-cd ../AzureFunctions.AngularClient
+# there is a gulp process to build and run everything
 yarn install
+yarn run gulp run-dev
  ```
 
-to run the server
-
-```bash
-cd server
-yarn run watch
-```
-
-this will launch the server watching the files for any changes and will trigger a rebuild. To run the client in the same way
-
-```bash
-cd AzureFunctions.AngularClient
-yarn run watch
-```
-
-you have to do this at least once (or `yarn run build`) for the page to load.
-
-If you're using bash and want to run both you can run the following from the top level
-
-```bash
-> ./run.sh
-```
 
 4. Visit `https://portal.azure.com?websitesextension_ext=appsvc.env=local` and load up Function Apps from browse
 

gulpfile.js

@@ -0,0 +1,25 @@
+const gulp = require('gulp');
+var shell = require('shelljs');
+var gulpMultiProcess = require('gulp-multi-process');
+gulp.task('run-dev',  function (cb) {
+    return gulpMultiProcess(['run-angular', 'run-server'], cb);
+});
+
+gulp.task('run-angular', function (cb) {
+    shell.cd('AzureFunctions.AngularClient');
+    shell.exec('yarn install');
+    shell.exec('yarn run watch', (code, stdout, stderr) => {
+        cb();
+    });
+});
+
+gulp.task('run-server',  (cb) => {
+    const runServerCommand = process.platform === 'win32' ? 'yarn run watch' : 'yarn run watchu';
+    shell.cd('server');
+    shell.exec('yarn install');
+    shell.exec('gulp build-all', {async:true});
+    shell.exec(runServerCommand, (code, stdout, stderr) => {
+        cb();
+    });
+    
+});

package-lock.json

@@ -0,0 +1,11 @@
+{
+    "name": "azure-functions-ux-build",
+    "version": "0.0.0",
+    "scripts": {
+    },
+    "dependencies": {
+        "gulp": "^3.9.1",
+        "gulp-multi-process": "^1.3.1",
+        "shelljs": "^0.8.1"
+    }
+}