salix/client/core/src/directives/focus.js

import {module} from '../module';

/**
 * Sets the focus and selects the text on the input.
 */
export function directive() {
    return {
        restrict: 'A',
        link: function($scope, $element, $attrs) {
            let input = $element[0];
            let isInput =
                input instanceof HTMLInputElement ||
                input instanceof HTMLTextAreaElement;

            if(!isInput)
                input = input.querySelector('input, textarea');
            if(!input)
                throw new Error(`vnFocus: Can't find an input element`);

            input.focus();
            input.select();
        }
    };
}
module.directive('vnFocus', directive);