hexo/node_modules/workbox-cacheable-response/CacheableResponsePlugin.js

49 lines
1.7 KiB
JavaScript

/*
Copyright 2018 Google LLC
Use of this source code is governed by an MIT-style
license that can be found in the LICENSE file or at
https://opensource.org/licenses/MIT.
*/
import { CacheableResponse, } from './CacheableResponse.js';
import './_version.js';
/**
* A class implementing the `cacheWillUpdate` lifecycle callback. This makes it
* easier to add in cacheability checks to requests made via Workbox's built-in
* strategies.
*
* @memberof workbox-cacheable-response
*/
class CacheableResponsePlugin {
/**
* To construct a new CacheableResponsePlugin instance you must provide at
* least one of the `config` properties.
*
* If both `statuses` and `headers` are specified, then both conditions must
* be met for the `Response` to be considered cacheable.
*
* @param {Object} config
* @param {Array<number>} [config.statuses] One or more status codes that a
* `Response` can have and be considered cacheable.
* @param {Object<string,string>} [config.headers] A mapping of header names
* and expected values that a `Response` can have and be considered cacheable.
* If multiple headers are provided, only one needs to be present.
*/
constructor(config) {
/**
* @param {Object} options
* @param {Response} options.response
* @return {Response|null}
* @private
*/
this.cacheWillUpdate = async ({ response }) => {
if (this._cacheableResponse.isResponseCacheable(response)) {
return response;
}
return null;
};
this._cacheableResponse = new CacheableResponse(config);
}
}
export { CacheableResponsePlugin };