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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
export class TruncateFilter {
constructor() {
let filter = <TruncateFilter>(str:string, length:number) => {
if (str.length <= length) {
return str;
}
//if(str[length - 1] === ' '){
// return str.substring(0, length - 1) + '...';
//}
let char;
let index = length;
while (char !== ' ' && index !== 0) {
index--;
char = str[index];
}
if (index === 0) {
return (index === 0) ? str : str.substring(0, length - 3) + '...';
}
return (index === 0) ? str : str.substring(0, index) + '...';
};
return filter;
}
}
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