typeByExtension | /media_types/mod.ts | std@0.171.0

Deno 2 is finally here 🎉️

Deno standard library

The Standard Library has been moved to JSR. See the blog post for details.

function typeByExtension

Re-export

import { typeByExtension } from "https://deno.land/std@0.171.0/media_types/mod.ts";

typeByExtension(extension: string): string | undefined

Returns the media type associated with the file extension. Values are normalized to lower case and matched irrespective of a leading ..

When extension has no associated type, the function returns undefined.

Examples

Example 1

import { typeByExtension } from "https://deno.land/std@0.171.0/media_types/type_by_extension.ts";

typeByExtension("js"); // `application/json`
typeByExtension(".HTML"); // `text/html`
typeByExtension("foo"); // undefined
typeByExtension("file.json"); // undefined

Parameters

extension: string

Returns

string | undefined