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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.import { parseMediaType } from "./parse_media_type.ts";import { extensions } from "./_util.ts";
export { extensions };
/** * Returns the extensions known to be associated with the media type `type`. * The returned extensions will each begin with a leading dot, as in `.html`. * * When `type` has no associated extensions, the function returns `undefined`. * * Extensions are returned without a leading `.`. * * @example * ```ts * import { extensionsByType } from "https://deno.land/std@$STD_VERSION/media_types/extensions_by_type.ts"; * * extensionsByType("application/json"); // ["json", "map"] * extensionsByType("text/html; charset=UTF-8"); // ["html", "htm", "shtml"] * extensionsByType("application/foo"); // undefined * ``` */export function extensionsByType(type: string): string[] | undefined {  try {    const [mediaType] = parseMediaType(type);    return extensions.get(mediaType);  } catch {    // just swallow errors, returning undefined  }}