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- 'use strict';
- var isRelative = require('is-relative');
- var isWindows = require('is-windows');
- module.exports = isAbsolute;
- function isAbsolute(fp) {
- if (typeof fp !== 'string') {
- throw new TypeError('isAbsolute expects a string.');
- }
- return isWindows() ? isAbsolute.win32(fp) : isAbsolute.posix(fp);
- }
- isAbsolute.posix = function posixPath(fp) {
- return fp.charAt(0) === '/';
- };
- isAbsolute.win32 = function win32(fp) {
- if (/[a-z]/i.test(fp.charAt(0)) && fp.charAt(1) === ':' && fp.charAt(2) === '\\') {
- return true;
- }
-
- if (fp.slice(0, 2) === '\\\\') {
- return true;
- }
- return !isRelative(fp);
- };
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