You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.7 KiB
48 lines
1.7 KiB
/* |
|
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 };
|
|
|