chore(package): added a setup gulp task

Author: AnthonyNahas

README.md

@@ -67,10 +67,10 @@ View all the directives and components in action at [https://angular-material-ex
 <a name="peerDependencies"/>
 
 ## Requirements (peer dependencies):
-- [angular animations v7.0.2](https://www.npmjs.com/package/@angular/animations)
-- [angular http v7.0.2](https://www.npmjs.com/package/@angular/http)
-- [angular cdk v7.0.2](https://www.npmjs.com/package/@angular/cdk)
-- [angular material v7.0.2](https://www.npmjs.com/package/@angular/material)
+- [angular animations v7.x](https://www.npmjs.com/package/@angular/animations)
+- [angular http v7.x](https://www.npmjs.com/package/@angular/http)
+- [angular cdk v7.x](https://www.npmjs.com/package/@angular/cdk)
+- [angular material v7.x](https://www.npmjs.com/package/@angular/material)
 
 - [angular material theme](https://material.angular.io/guide/getting-started#step-4-include-a-theme)
 
@@ -208,30 +208,22 @@ Please checkout the full documentation [here](https://angular-material-extension
 $ git clone https://github.com/angular-material-extensions/link-preview.git
 ```
 
-- link the **@angular-material-extensions/link-preview** package
+- setup the **@angular-material-extensions/link-preview** package
 
 ```bash
-$ gulp link
+$ gulp setup
 ```
 
 - navigate to the demo app directory
 ```bash
 $ cd demo
 ```
 
-- install the dependencies
+- install the dependencies and run the app
 ```bash
-$ npm i
+$ npm i && npm start
 ```
 
-- run/start/serve the app
-```bash
-$ npm run start
-```
-or
-```bash
-$ ng serve --open
-```
 - the app is now hosted by `http://localhost:4200/`
 
 
@@ -241,22 +233,12 @@ $ ng serve --open
 
 1. clone this [repo](https://github.com/angular-material-extensions/link-preview.git)
 2. Install the dependencies by running `npm i`
-3. build the library `npm run build` or `gulp build`
-To generate all `*.js`, `*.d.ts` and `*.metadata.json` files:
-
-```bash
-$ npm run build
-```
-
-4. Link the library 
-  - on windows `gulp link` or locally `npx gulp link`
-  - on mac/linux `sudo gulp link` or locally `sudo npx gulp link`
-  
- 5. Navigate to the demo app's directory
+3. setup the library `gulp setup`
+4. Navigate to the demo app's directory
   - `cd demo`
-  _ `npm i`
-  _ `npm start`
-
+  _ `npm i && npm start`
+  
+  ---
 
 
 <a name="other-angular-libraries"/>

gulpfile.js

@@ -501,8 +501,7 @@ gulp.task('serve:doc', ['clean:doc'], (cb) => {
 const execDemoCmd = (args, opts) => {
   if (fs.existsSync(`${config.demoDir}/node_modules`)) {
     return execCmd('ng', args, opts, `/${config.demoDir}`);
-  }
-  else {
+  } else {
     fancyLog(acolors.yellow(`No 'node_modules' found in '${config.demoDir}'. Installing dependencies for you...`));
     return helpers.installDependencies({cwd: `${config.demoDir}`})
       .then(exitCode => exitCode === 0 ? execCmd('ng', args, opts, `/${config.demoDir}`) : Promise.reject())
@@ -671,8 +670,7 @@ gulp.task('release', (cb) => {
   if (!readyToRelease()) {
     fancyLog(acolors.red('# Pre-Release Checks have failed. Please fix them and try again. Aborting...'));
     cb();
-  }
-  else {
+  } else {
     fancyLog(acolors.green('# Pre-Release Checks have succeeded. Continuing...'));
     runSequence(
       'bump-version',
@@ -699,6 +697,16 @@ gulp.task('release', (cb) => {
 // Utility Tasks
 /////////////////////////////////////////////////////////////////////////////
 
+// setup the project by installing first the dependencies,
+// building the library and finally linking it
+gulp.task('setup', (cb) => {
+  return runSequence('install', 'build', 'link', cb);
+});
+
+gulp.task('install', () => {
+  return execExternalCmd('npm', 'i');
+});
+
 // Link 'dist' folder (create a local 'ng-scrollreveal' package that symlinks to it)
 // This way, we can have the demo project declare a dependency on 'ng-scrollreveal' (as it should)
 // and, thanks to 'npm link ng-scrollreveal' on demo project, be sure to always use the latest built