Using Trait in Laravel Blade(Component)

Question

I try to use trait in laravel blade, but didn't work.

This is trait

namespace App\Repositories;

trait Residence
{
    public $country=['USA','Japan','Italy'];

    public $building=['duplex','condominium'];
}

I try to use in my blade like this:

@inject('Residence', 'App\Repositories\Residence')

@foreach($Residence->country as $country)
    {{$country}}
@endforeach

@foreach($Residence->building as $building)
    {{$building}}
@endforeach

But I get Target [App\Repositories\Residence] is not instantiable. error, any suggestion?(I'm using laravel 5.7)

A trait is supposed to be used by a Class, i dont know why you try to load it in blade .. — lovis91
– lovis91, Commented Jan 2, 2019 at 8:44
Well the reason I do this, is because there are variables in the trait and I need to inject into a blade(as a component) — Autodesk
– Autodesk, Commented Jan 2, 2019 at 9:05

Autodesk · Accepted Answer · 2019-01-03 03:17:54Z

9

Thank you @Louis R remind that "A trait is supposed to be used by a Class"

So I use the trait in a class, and inject into the blade, it works!

This is trait.

namespace App\Repositories;

trait Residence
{
    public $country=['USA','Japan','Italy'];

    public $building=['duplex','condominium'];
}

This is a class use the trait.

namespace App\Repositories;

Class ResidenceClassForBlade
{
    use Residence;
}

This is blade:

@inject('Residence', 'App\Repositories\ResidenceClassForBlade')

@foreach($Residence->country as $country)
    {{$country}}
@endforeach

@foreach($Residence->building as $building)
    {{$building}}
@endforeach

edited Jan 3, 2019 at 3:17

answered Jan 2, 2019 at 9:04

Autodesk

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9 Comments

mighty_dev Over a year ago

Do you render this view via some class?

Autodesk Over a year ago

No. This is a component blade, which will call by other blade like this: @component(the-blade-which-inject-a-class)

mighty_dev Over a year ago

So, the parent blade is rendered via class. Right?

mighty_dev Over a year ago

In that case, you can make a base Controller class and add this trait into it and make every controller class extend(inherit) that class. This will avoid you some manual injection.

Autodesk Over a year ago

Base on the BaseController idea, I refactor like this: a class use the trait, and then I inject into the blade, and it works! And it's better than I change the trait to a class.

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