For issues relating to development with Ember.js, version 2.0.
At Aug 2015, Ember.js version 2.0 is released.
New features and removed api's are listed in changelogs:
Questions tagged [ember.js-2]
67 questions
10
votes
2 answers
How to access the Ember Data Store from the console?
In Ember 2+, does anyone know how to get a reference to the Ember Store in order to troubleshoot Model mapping in the javascript console?
It was possible through App.__container__.lookup in Ember 1, but this doesn't exist anymore, and it's bloody…
Fabien Benoit-Koch
- 2,784
- 2
- 21
- 33
9
votes
5 answers
How do I make dynamic classNames in an ember 2.0 component?
For example:
Ember components allow you to add a classNames array and those classes will be added to the main div of the component.
say we have this component called new-div
export default Ember.Component.extend({
classNames:…
pfg
- 213
- 2
- 7
9
votes
1 answer
EmberJS, How to import files using root path?
I have this a model in this path:
/my-project/app/models/my-model.js
And I want to import it from a route in this path:
/my-project/app/routes/battles/battle/combats/new.js
The import sentence looks like this:
import MyModel from…
fguillen
- 36,125
- 23
- 149
- 210
8
votes
4 answers
How to access data from routes in an Ember application template?
I'm following along the docs for Ember 2.3 and can't seem to find anywhere something very basic: how does one access a value provided by the route's model hook inside the main template: application.hbs?
routes/client.js
// ...
export default…
Slavic
- 1,891
- 2
- 16
- 27
7
votes
5 answers
How do I pass in more than one parameter to the onChange action for the select element in Ember2.3
I have a select element within a loop, and the action I want to be triggered needs to have two parameters: the selected option of the select element and the item we are looping with. My code looks like so:
{{#each loopItems as |loopItem|}}
Darshan
- 937
- 3
- 15
- 27
7
votes
2 answers
Using this.sendAction() in components?
I am using Ember 2.2.0
When writing components I used to propagate events from the component to the route (or whatever embeds the component) with this.sendAction(…). I checked out the docs lately and discovered that they advise another…
maximusmusterus
- 203
- 1
- 2
- 7
5
votes
2 answers
How to detect and save relation change in Ember 2.13.0?
I have documents list. Every document has client attribute defined by belongsTo.
When user change client in one of documents i want to show in the counter how many documents are changed. And when user decide he will press "publish" button which will…
Jiro Matchonson
- 875
- 1
- 17
- 24
4
votes
1 answer
How to focus specific input elements in Ember 2
I am learning Ember 2, and trying to write a simple inline editor. My problem is auto-focusing the input element. The component's template is as follows:
{{#if isEditing}}
{{input type="text" placeholder="Line item" autofocus="autofocus"…
JB2
- 1,587
- 2
- 24
- 40
4
votes
1 answer
Using component vs partial for 'site header' in ember.js
This is more of a design/best practice question, in Ember 2.x
I am building a new ember web app, and for the site's header, I created a separate component, site-header and included that in the application.hbs as…
shanky
- 6,283
- 1
- 11
- 15
3
votes
2 answers
Ember Server: "Port 4200 is already in use", when no process runs on 4200
When running my ember application with ember serve -e local I get:
Port 4200 is already in use.
Which is weird because no application is running on 4200. I tried to open a dummy HTTP server on 4200 with http-server and it works just fine. It also…
geauser
- 1,005
- 8
- 20
3
votes
0 answers
Set nested property value and create parent if it doesn't exist
So I am using Ember JS 2.2 and I have a plain JS object and want to set the value of a nested property. However I don't know if some of the parent properties already exist. If they don't exist I would like to create them as an empty object.…
TheMethod
- 2,893
- 9
- 41
- 72
2
votes
2 answers
Ember model Not Bind Dynamically using Link-to
I created an ember demo,A parent view and it's child
this is the parent view
A list of Todo Tasks
-
{{#each model as |todo|}}
- {{#link-to "todos.details" todo}}{{todo.desc}}{{/link-to}} {{/each}}
abdoutelb
- 1,015
- 1
- 15
- 33
2
votes
1 answer
Ember pass callback to service - undefined this
I have a service to upload many large files in chunks
export default Ember.Service.extend({
run(files, callbacks) {
// ugly async FileReader and ajax
// calling callbacks during the process
}
})
I need a bunch of callbacks to show…
Oleg Antonyan
- 2,943
- 3
- 28
- 44
2
votes
1 answer
Using Not Or/Not And on Ember CLI
So I'm wondering if there is a computed string property that negates the current boolean value of a property. For example, in the computed property 'isDisabledSubmit' below, I added an exclamation mark in front of isValidEmail and isValidMessage in…
Kev
- 23
- 4
2
votes
1 answer
How do I render multiple outlets in one template file using ember 2.3
I'm trying to render multiple .hbs snippets into their respective outlets. However, the following renderTemplate does not work:
renderTemplate: function() {
// default behavior, renders the home template
this.render();
…
Darshan
- 937
- 3
- 15
- 27