reflection in ember js

test.js

import Ember from 'ember';

var get = Ember.get;

/**
 * Invoke this as such:
 * 
 * ```handlebars
 * {{ meta-input valueBinding='myModelAttr' }}
 * ```
 * 
 * And it will expose the value of that attr AND
 * all of the attribute's metadata to the hbs file
 * via something akin to reflection.
 */

export default Ember.Component.extend({

	valueBinding: null,
	value: null,
	displayName: null,
	meta: null,
	
	valueObserver: function()
	{
		// I guess this counts as reflection
		var addr = this.get('valueBinding')._from;
		var lastIndex = addr.lastIndexOf('.');
		var name = addr.substr(lastIndex + 1);
		var parentAddr = addr.substr(0, lastIndex);
		var parent = this.get(parentAddr);

		if (!parent)
		{
			debugger;
		}

		var model = parent.model ? parent.model : parent;

		var attributes = get(model.constructor, 'attributes');
		var meta = attributes.get(name);

		// Save the model metadata
		this.set('meta', meta);

		// Save display name
		this.set('displayName', name.decamelize().replace(/_/g, ' '));
	
	}.observes('valueBinding').on('init')
});