/*!
 * @license
 * Copyright 2016 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { FormControl } from '@angular/forms';

export class SearchTermValidator {

    static minAlphanumericChars(minChars: number) {
        return (control: FormControl) => {
            return ('' + control.value).replace(/[^0-9a-zA-Z]+/g, '').length >= minChars ? null : {
                hasMinAlphanumericChars: false
            };
        };
    }

}