@toreda/cache
Version:
Time-based object cache in TypeScript.
52 lines (50 loc) • 1.77 kB
JavaScript
;
/**
* MIT License
*
* Copyright (c) 2019 - 2022 Toreda, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.cacheItemId = void 0;
/**
* Get id value from any `Cacheable` if present, otherwise returns `null`.
* @param item
* @returns
*/
function cacheItemId(item) {
if (!item) {
return null;
}
const id = item.id;
if (typeof id === 'string') {
return id;
}
// If id is a strong type function
if (typeof id !== 'function') {
return null;
}
const result = id();
if (typeof result !== 'string') {
return null;
}
return result;
}
exports.cacheItemId = cacheItemId;