Ember.js Full Featured Counter - Ember-js Typing CST Test
Loading…
Ember.js Full Featured Counter — Ember-js Code
Combines step, max, auto-reset, history, auto-increment, and theme toggle.
import Component from '@glimmer/component';
import { tracked } from '@glimmer/tracking';
import { action } from '@ember/object';
export default class FullCounterComponent extends Component {
@tracked count = 0;
@tracked history = [];
@tracked isDark = false;
step = 2;
max = 10;
constructor() {
super(...arguments);
setInterval(() => {
let n = this.count + this.step;
if(n > this.max) n = 0;
this.count = n;
this.history = [...this.history, 'Auto Increment'];
}, 1000);
}
@action increment() { let n = this.count + this.step; if(n>this.max)n=0; this.count=n; this.history = [...this.history,'Increment']; }
@action decrement() { this.count -= this.step; this.history = [...this.history,'Decrement']; }
@action reset() { this.count = 0; this.history = [...this.history,'Reset']; }
@action toggleTheme() { this.isDark = !this.isDark; }
}
<!-- full-counter.hbs -->
<div class={{if this.isDark 'dark-theme' 'light-theme'}}>
<h2>Counter: {{this.count}}</h2>
<div>History: {{this.history}}</div>
<button {{on 'click' this.increment}}>+</button>
<button {{on 'click' this.decrement}}>-</button>
<button {{on 'click' this.reset}}>Reset</button>
<button {{on 'click' this.toggleTheme}}>Toggle Theme</button>
</div>Ember-js Language Guide
Ember.js is a mature, full-featured JavaScript framework for building ambitious web applications. It emphasizes convention over configuration, strong defaults, and long-term stability.
Primary Use Cases
- ▸Large-scale web applications
- ▸Dashboard-heavy SPAs
- ▸Complex CRUD enterprise systems
- ▸Apps requiring long-term maintainability
- ▸Teams needing strong conventions and stability
Notable Features
- ▸Convention over configuration
- ▸Powerful router with nested routes
- ▸Ember Data ORM-like data layer
- ▸Strong CLI tooling (Ember CLI)
- ▸Glimmer rendering engine for fast UIs
Origin & Creator
Created in 2011 by Yehuda Katz and the Ember Core Team, influenced by Rails' convention-driven design.
Industrial Note
Ember is specialized for large, long-lived, multi-team applications requiring predictability and strong conventions.