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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { extensionsByType } from "./extensions_by_type.ts";
/** * For a given media type, return the most relevant extension, or `undefined` * if no extension can be found. * * Extensions are returned without a leading `.`. * * @example * ```ts * import { extension } from "https://deno.land/std@$STD_VERSION/media_types/extension.ts"; * * extension("text/plain"); // `txt` * extension("application/json"); // `json` * extension("text/html; charset=UTF-8"); // `html` * extension("application/foo"); // undefined * ``` */export function extension(type: string): string | undefined {  const exts = extensionsByType(type);  if (exts) {    return exts[0];  }  return undefined;}