deno.land / std@0.224.0 / path / windows / is_absolute.ts

View Documentation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.// This module is browser compatible.
import { CHAR_COLON } from "../_common/constants.ts";import { assertPath } from "../_common/assert_path.ts";import { isPathSeparator, isWindowsDeviceRoot } from "./_util.ts";
/** * Verifies whether provided path is absolute * @param path to be verified as absolute */export function isAbsolute(path: string): boolean { assertPath(path);
const len = path.length; if (len === 0) return false;
const code = path.charCodeAt(0); if (isPathSeparator(code)) { return true; } else if (isWindowsDeviceRoot(code)) { // Possible device root
if (len > 2 && path.charCodeAt(1) === CHAR_COLON) { if (isPathSeparator(path.charCodeAt(2))) return true; } } return false;}
std

Version Info

Tagged at
4 months ago