required(modelValue: any): boolean
Returns true
if the provided model value is not null
, undefined
, or an empty string.
Parameters:
Name | Type | Description |
---|---|---|
modelValue |
Any |
Model value to test. |
Returns:
Boolean
- True if the model value is non-nil.
Example:
import app from 'app';
import {
required
} from '@darkobits/formation-validators';
function MyCtrl () {
const vm = this;
vm.controls = {
firstName: {
validators: {
required
},
errors: [
['required', 'Please enter your first name.']
]
}
};
}
app.component('myComponent', {
controller: MyCtrl,
controllerAs: 'vm',
// ...
});