extension | /media_types/extension.ts | std@0.181.0

function extension

import { extension } from "https://dotland.deno.dev/std@0.181.0/media_types/extension.ts";

extension(type: string): string | undefined

For a given media type, return the most relevant extension, or undefined if no extension can be found.

Extensions are returned without a leading ..

Examples

Example 1

import { extension } from "https://deno.land/std@0.181.0/media_types/extension.ts";

extension("text/plain"); // `txt`
extension("application/json"); // `json`
extension("text/html; charset=UTF-8"); // `html`
extension("application/foo"); // undefined

Parameters

type: string

Returns

string | undefined