deno.land / std@0.224.0 / media_types / extension.ts

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
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;}
std

Version Info

Tagged at
3 weeks ago