extname

import { extname } from "jsr:@ende/path";

function

function extname(path: string | URL): string

Return the extension of the path with leading period (".").

path: string | URL: Path with extension. When passed as a URL instance, its protocol must be file:. For other protocols, pass the URL as a string or pass its pathname property.

Returns

The file extension. E.g. returns .ts for file.ts.

Example: Usage

import { extname } from "@ende/path/extname";
import { assertEquals } from "@ende/assert";

if (Ende.build.os === "windows") {
  assertEquals(extname("C:\\home\\user\\Documents\\image.png"), ".png");
  assertEquals(extname(new URL("file:///C:/home/user/Documents/image.png")), ".png");
} else {
  assertEquals(extname("/home/user/Documents/image.png"), ".png");
  assertEquals(extname(new URL("file:///home/user/Documents/image.png")), ".png");
}

Source