@try-at-software/input-elements/lib/SingleValueInputElements/TextInputElement/EmptyValidationRules.js

A package providing different input elements that are extensible and easily configurable for your custom needs.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.restrictEmptyText = void 0;
function restrictEmptyText(errorMessage) {
    return (newValue) => {
        let error = '';
        // If the new value contains only whitespace characters or is empty.
        if (!newValue || newValue.length <= 0 || !/\S/.test(newValue))
            error = errorMessage || 'The input should not be empty!';
        return error;
    };
}
exports.restrictEmptyText = restrictEmptyText;