Method fetchContentRaw

lib/schemes/HttpUriPlugin.js:815–993

(url, cachedResult, callback)

					 * @returns {void}
					 */
					const fetchContentRaw = (url, cachedResult, callback) => {
						const requestTime = Date.now();
						/** @type {OutgoingHttpHeaders} */
						const headers = {
							"accept-encoding": "gzip, deflate, br",
							"user-agent": "webpack"
						};

						if (cachedResult && cachedResult.etag) {
							headers["if-none-match"] = cachedResult.etag;
						}

						fetch(new URL(url), { headers }, (res) => {
							const etag = res.headers.etag;
							const location = res.headers.location;
							const cacheControl = res.headers["cache-control"];
							const { storeLock, storeCache, validUntil } = parseCacheControl(
								cacheControl,
								requestTime
							);
							/**
							 * Processes the provided partial result.
							 * @param {Partial<Pick<FetchResultMeta, "fresh">> & (Pick<RedirectFetchResult, "location"> | Pick<ContentFetchResult, "content" | "entry">)} partialResult result
							 * @returns {void}
							 */
							const finishWith = (partialResult) => {
								if ("location" in partialResult) {
									logger.debug(
										`GET ${url} [${res.statusCode}] -> ${partialResult.location}`
									);
								} else {
									logger.debug(
										`GET ${url} [${res.statusCode}] ${Math.ceil(
											partialResult.content.length / 1024
										)} kB${!storeLock ? " no-cache" : ""}`
									);
								}
								const result = {
									...partialResult,
									fresh: true,
									storeLock,
									storeCache,
									validUntil,
									etag
								};
								if (!storeCache) {
									logger.log(
										`${url} can't be stored in cache, due to Cache-Control header: ${cacheControl}`
									);
									return callback(null, result);
								}
								cache.store(
									url,
									null,
									{
										...result,
										fresh: false
									},