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New Twiddle
import Ember from 'ember';
import { computed } from '@ember/object';
export default Ember.Controller.extend({
appName: 'Ember Twiddle',
label: '',
hashCode(str) {
let hash = 0;
for (let i = 0; i < str.length; i++) {
hash = str.charCodeAt(i) + ((hash << 5) - hash);
}
return hash;
},
intToARGB(i){
return ((i>>24)&0xFF).toString(16) +
((i>>16)&0xFF).toString(16) +
((i>>8)&0xFF).toString(16);
},
color: computed('label', function() {
return this.intToARGB(this.hashCode(this.label));
}),
actions: {
updateColor(event) {
this.set('label', event.target.value);
}
}
});
Label value:
<input value={{label}} onChange={{action 'updateColor'}} /><button>calculate color</button>
<div style="background-color: #{{color}}; width: 200px; height: 200px; border: 2px solid gray;"></div>
<hr />
Generated color hash: {{color}}
{
"version": "0.15.1",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
"ember": "3.4.3",
"ember-template-compiler": "3.4.3",
"ember-testing": "3.4.3"
},
"addons": {
"ember-data": "3.4.2"
}
}
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