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Editing File: /home/ubuntu/todaykat-frontend-base/node_modules/workbox-range-requests/RangeRequestsPlugin.js

/*
  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 { createPartialResponse } from './createPartialResponse.js';
import './_version.js';
/**
 * The range request plugin makes it easy for a request with a 'Range' header to
 * be fulfilled by a cached response.
 *
 * It does this by intercepting the `cachedResponseWillBeUsed` plugin callback
 * and returning the appropriate subset of the cached response body.
 *
 * @memberof workbox-range-requests
 */
class RangeRequestsPlugin {
    constructor() {
        /**
         * @param {Object} options
         * @param {Request} options.request The original request, which may or may not
         * contain a Range: header.
         * @param {Response} options.cachedResponse The complete cached response.
         * @return {Promise<Response>} If request contains a 'Range' header, then a
         * new response with status 206 whose body is a subset of `cachedResponse` is
         * returned. Otherwise, `cachedResponse` is returned as-is.
         *
         * @private
         */
        this.cachedResponseWillBeUsed = async ({ request, cachedResponse, }) => {
            // Only return a sliced response if there's something valid in the cache,
            // and there's a Range: header in the request.
            if (cachedResponse && request.headers.has('range')) {
                return await createPartialResponse(request, cachedResponse);
            }
            // If there was no Range: header, or if cachedResponse wasn't valid, just
            // pass it through as-is.
            return cachedResponse;
        };
    }
}
export { RangeRequestsPlugin };

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