Using angularjs in nodejs server-side - angularjs

I am fairly new to nodejs, just been playing around with it for a while.
Now I would like to use angularjs $compile on server-side. In the end I would like to have an API which receives html and json and compiles it together using angulars syntax.
To go in a little more detail, this is what it looks like in angular:
plunkr
$compile(element.contents())(scope);
As you can see the angular function $compile is used to fill a template from a textarea.
I would like to use this $compile function on server-side as a webservice.
tl;dr;:
I would like to use angularjs as a templating engine for express/nodejs on server-side.
I am having troubles integrating angular. Do you think this is a liable approach at all?

Nope, this is not liable, you are drastically over-thinking your architecture, just create your angular.js application, render it using a standard node.js template engine as jade or ejs. Then in your angular app connect to an api provided by node.js and express, and let angular do it's job and node.js its job.
Each tool is used for his main purpose, angular is used for single-page-application that are communicating with the server side using ($http, $resource, sockets etc...). Node.js is a scripting language mostly used for server side, api creation, other operations.
My advice keep the job simple, playful bu simple, you will sleep better at nights.

Related

Technologies to create a hybrid application in Cordova

This is not a programming question. If it is not appropriate to post it here, just advise me some place worth to share this.
What would be best to know in order to startup a project in Cordova. What i need to know is that in order to create a working web and android app what should i use?
So far
I use Cordova.
Ionic for GUI.
PHP and MySQL for back end
Angular JS for client side and controller for the app.
JSON
Do I have to use AJAX as well? if so, where would it fit?
"Do I have to use AJAX as well? if so, where would it fit?"
Yes, you should build a Single Page Application inside Cordova using any framework that you desire. Ionic/Angular is a valid choice here, other options include JQuery/Bootstrap, React JS, Framework7, OnsenUI and pretty much any combination of JS single page application framework and mobile focussed web front end framework that you like and can make work together.
For going beyond what the web view can do you'll use off the shelf plugins, or write your own which will need Java / Objective-C / C# or Swift skills depending on which platforms you're using.
As you want to be building a single page application you will need to make AJAX calls to get resources from servers, call APIs and the like. Do this using the mechanism built into your chosen framework, e.g. $http service with Angular, $.ajax for JQuery etc.
With angular you can use AngularJS $http
Link to Angular documentation: https://docs.angularjs.org/api/ng/service/$http

Strongloop AngularJS reflection services

I've a Java developer who's begun working in the Javascript enterprise domain. Specifically I've begun working with Strongloop/Loopback API and AngularJS in the client.
I'm creating entities with ease with Strongloop and am very impressed with how quickly I can generate an expanded model. When it comes to the client however things appear to slow down as I have to manually create the Angular Controllers, Services and the crud template views.
I've used reflection in Java considerably in the past and I found it to be very effective. I was hoping someone might be able to let me know if there's either a reflective way to initialise Controllers so that I could have one EntityController if you like that would export the CRUD methods. Alternatively if there's a tool that might be able to access the restful api and generate generic templates, controllers and services for the restful API?
Thanks in advance for any help!
Mark.
I believe that you are looking for loopback angularjs SDK.
It will not generate views and controllers but you will have angularJS services generated that contains all the LoopBack models and methods you have defined. You have to register the AngularJS module lbServices as a dependency of your app.
Documentation covers this very well with step-by-step instructions how to setup client application.
After you setup loopback angular client, then it is easy to use models in your controllers. All you have to do is to add your model as a dependency in your controller.
If you want to avoid manual work of generating angular controllers, routes, views etc then you should consider using one of the angular application generators ( i.e. yeoman generator-angular ).
To make long story short:
use angular generator to generate angular application.
generate angular services using loopback angularjs SDK.
add loopback model as dependency to your controller or service
See also Angular SDK built-in models API

Sails Angular Frontend

Ok so I have looked around and cannot find the exact answer I am looking for. When developing a Sails app (which I am new to) it appears that by default it creates its own frontend using EJS.
Is this correct?
If this is correct then why is there an npm for sails generate frontend
If I want to use an Angular frontend is sails-generate-frontend-angular the best route to go?
Thanks!
First you need to separate server templating (EJS) from angular.
Just because sails defaults to an EJS template engine does not mean that you can not still put angular is your asset library and create and angular app. EJS is (the default but not the only option) what sails uses as a programming language for building its templates on the server that then get delivered to the client. Angular templates are used once delivered to the client to display information and perform tasks specifically already in the client machine.
1.) See above
2.) Sails-generate-frontend helps to setup your asset pipeline. It creates grunt tasks to copy image files and setup your javascript libraries such as ANGULAR.js, jQuery ect for use in your front-end.
3.) It could be. It depends, what a lot of people do is setup 2 projects. They use Sails as their API and then setup a second project for their Angular app (especially if its a SPA).
If instead your just using angular is specific places in your app (think jQuery style), then you would use a something like generate-front-end to take the angular library from someplace (like bower_compenents) and place it in your assets when you lift your app. It also makes it avaiable so that it can be placed in your html to be included in your app.
I on the other hand, use sails templates (I use Jade instead of EJS) to create and modify my angular templates on the server before they reach the client. This is a slightly advanced practice and can get confusing if you don't understand the difference between generating html on the server vs client.
An alternate method of thinking about this would be creating your index page on the server. This page would include your css and scripts. It would possibly be the only page on your server and everything else would be angular templates rendered on the client asking for JSON calls. In this scenario you would be using SAILS (ejs, or jade or whatever) to render only a single page INDEX.js and that might be the only server template you have.
However, this being said. Sails ships with this stuff already. You don't need sails-generate-frontend. Its is already inside a standard sails app.

When to use angular template and when symfony template

I'm newbie web developer and I wonder what better and if it is a good question at all
I can retrieve the information that I need from the server side and make the template with angular, and I can do it with symfony too. whats better? whats the difference? when to use what?
what about forms? should I do it with symfony features or just with angular?
Please look the following points
You should use Angularjs template system. otherwise, the powerful feature of Directives.
Angularjs is decoupled with serverside code.
Angularjs only expects data (as JSON) from service end..not any HTML.
So template should be angularjs way.
So every service response from symfony should be JSON.
Angularjs totally avoiding to add HTML containers (through ajax) into web
pages. So here you can not use symfony template.

Using Angular with Play: Role for Scala Templates?

When I first looked at Play and went through all the samples, I was pretty excited by the zentasks sample and the fluid, clean, effortless Javascript routing that left the work of rendering things to Play. But we decided instead to go with Angular.
Upon going down that road, I thought that Angular would control all aspects of rendering.
However, we have a page that has to get a socket. We were having the socket made on the server, so for now, we still have a Play (Scala) template doing that. We have pared it down to pretty much nothing: create the socket and then inject it into the Angular context.
But we are also trying to do Protractor tests and that is made uglier by having to figure out how to accommodate the Scala template.
Question: should we just ditch the scala template and have the Angular controller call the server and get the socket? That was my favored approach to begin with.
I'm currently working on two Play apps with Angular and in both we decided to have one single main.scala.html file that load all the necessary controllers,services,directives, etc from angular using of require.js.
The goal with Angular is to create a single page app and therefore you should avoid to mix it with server side templates.
You must see your main.scala.html template as the entry point of your single page application. There you generate and load all the pieces you need and give the hand to angular to manage the rest.
I agree with Renato. It's probably better to have a single controller and template that sets up the single page app with angular. Then use AJAX to send requests from the browser to other controllers (see http://www.playframework.com/documentation/2.2.x/JavaJsonRequests).
If want to to avoid Scala templates completely, you can put your web pages and javascript in the public directory and only use AJAX.

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