@polkadot/util
Version:
A collection of useful utilities for @polkadot
28 lines (25 loc) • 854 B
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.stringShorten = stringShorten;
// Copyright 2017-2022 @polkadot/util authors & contributors
// SPDX-License-Identifier: Apache-2.0
/**
* @name stringShorten
* @summary Returns a string with maximum length
* @description
* Checks the string against the `prefixLength`, if longer than double this, shortens it by placing `..` in the middle of it
* @example
* <BR>
*
* ```javascript
* import { stringShorten } from '@polkadot/util';
*
* stringShorten('1234567890', 2); // => 12..90
* ```
*/
function stringShorten(value) {
let prefixLength = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 6;
return value.length <= 2 + 2 * prefixLength ? value.toString() : `${value.substring(0, prefixLength)}…${value.slice(-prefixLength)}`;
}