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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.import { Status, STATUS_TEXT } from "./http_status.ts";import { deepMerge } from "../collections/deep_merge.ts";
/** Returns true if the etags match. Weak etag comparisons are handled. */export function compareEtag(a: string, b: string): boolean {  if (a === b) {    return true;  }  if (a.startsWith("W/") && !b.startsWith("W/")) {    return a.slice(2) === b;  }  if (!a.startsWith("W/") && b.startsWith("W/")) {    return a === b.slice(2);  }  return false;}
/** * Internal utility for returning a standardized response, automatically defining the body, status code and status text, according to the response type. */export function createCommonResponse(  status: Status,  body?: BodyInit | null,  init?: ResponseInit,): Response {  if (body === undefined) {    body = STATUS_TEXT[status];  }  init = deepMerge({    status,    statusText: STATUS_TEXT[status],  }, init ?? {});  return new Response(body, init);}