Skip to content

Instantly share code, notes, and snippets.

@patocallaghan
Last active March 2, 2022 00:13
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save patocallaghan/453870ee30fb8cb92580ad31bd479ad7 to your computer and use it in GitHub Desktop.
Save patocallaghan/453870ee30fb8cb92580ad31bd479ad7 to your computer and use it in GitHub Desktop.
Classic Controllers
import Controller from '@ember/controller';
import { action } from '@ember/object';
export default Controller.extend({
init() {
this._super(...arguments);
console.log('INIT: Alpha Controller');
this.set('random', this.getRandom());
},
getRandom() {
return Math.floor(Math.random() * 100)
},
regenerateRandom: action(function() {
this.set('random', this.getRandom());
})
});
import Controller from '@ember/controller';
import { action } from '@ember/object';
export default Controller.extend({
queryParams: ['number'],
number: null,
init() {
this._super(...arguments);
console.log('INIT: Beta Controller');
},
updateNumber: action(function(value) {
this.set('number', value);
})
});
import Controller from '@ember/controller';
export default Controller.extend({
init() {
this._super(...arguments);
console.log('INIT: Gamma Controller');
}
});
import { helper } from '@ember/component/helper';
export default helper(function eq({a, b}) {
return a === b;
});
import EmberRouter from '@ember/routing/router';
import config from './config/environment';
const Router = EmberRouter.extend({
location: 'none',
rootURL: config.rootURL
});
Router.map(function() {
this.route('alpha');
this.route('beta');
this.route('gamma');
});
export default Router;
import Route from '@ember/routing/route';
export default Route.extend({
model() {
return { foo: 'foo' };
}
});
import Route from '@ember/routing/route';
export default Route.extend({
model() {
return { bar: 'bar' };
}
});
import Route from '@ember/routing/route';
export default Route.extend({
model() {
return { baz: 'baz' };
}
});
{{!--
* Controllers lifecycle can be confusing, init fires once
* "Do something everytime I load this page" is tricky
* Singleton with long-lived state
* Uncanny valley for Component i.e. JS + template
* Can only test with acceptance tests
* Query Params are the ONLY use case we need Controllers for
--}}
<h2>Alpha</h2>
Model: {{this.model.foo}}
<br>
Random: {{this.random}}
<br>
<br>
<label>
<button {{on "click" this.regenerateRandom}}>
Regenerate random
</button>
</label>
<menu>
<ul>
<li>
<LinkTo @route="index">Home</LinkTo>
</li>
<li>
<LinkTo @route="alpha">Alpha</LinkTo>
</li>
<li>
<LinkTo @route="beta">Beta</LinkTo>
</li>
<li>
<LinkTo @route="gamma">Gamma</LinkTo>
</li>
</ul>
</menu>
{{outlet}}
<br>
<br>
{{!--
Query Params: the only thing controllers are good for
--}}
<h2>Beta</h2>
Model: {{this.model.bar}}
<p>Set a number:</p>
<div>
<input
type="radio"
id="one"
name="number"
value="one"
{{on "click" (fn this.updateNumber "one")}}
>
<label for="one">One</label>
</div>
<div>
<input
type="radio"
id="two"
name="number"
value="two"
{{on "click" (fn this.updateNumber "two")}}
>
<label for="two">Two</label>
</div>
<div>
<input
type="radio"
id="three"
name="number"
value="three"
{{on "click" (fn this.updateNumber "three")}}
>
<label for="three">Three</label>
</div>
<h2>Gamma</h2>
Model: {{this.model.baz}}
{
"version": "0.17.1",
"EmberENV": {
"FEATURES": {},
"_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
"_APPLICATION_TEMPLATE_WRAPPER": true,
"_JQUERY_INTEGRATION": true
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
"ember": "3.18.1",
"ember-template-compiler": "3.18.1",
"ember-testing": "3.18.1"
},
"addons": {
"@glimmer/component": "1.0.0"
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment