feat: implement stripRoot function

* fix(join): handle absolute segments

* feat: stripRoot

* revert: "fix(join): handle absolute segments"

This reverts commit 85a3784.

* chore: re-export

src/__tests__/stripRoot.spec.ts

@@ -0,0 +1,18 @@
+import { stripRoot } from '../stripRoot';
+
+describe('stripRoot', () => {
+  it.each(['foo', 'test/a', 'a/b'])('does not alter "%s" path', (path) => {
+    expect(stripRoot(path)).toEqual(path);
+  });
+
+  it.each`
+    actual       | expected
+    ${'/foo'}    | ${'foo'}
+    ${'c:\\foo'} | ${'foo'}
+    ${'\\foo'}   | ${'foo'}
+    ${'////a'}   | ${'a'}
+    ${'/\\///a'} | ${'a'}
+  `('strip root from "$actual" path', ({ actual, expected }) => {
+    expect(stripRoot(actual)).toEqual(expected);
+  });
+});

src/index.ts

@@ -11,6 +11,7 @@ export * from './relative';
 export * from './resolve';
 export * from './sep';
 export * from './startsWithWindowsDrive';
+export * from './stripRoot';
 export * from './toFSPath';
 export * from './types';
-export * from './srn';
+export * from './srn';

src/stripRoot.ts

@@ -0,0 +1,7 @@
+import { parse } from './parse';
+import { sep } from './sep';
+
+export const stripRoot = (path: string) =>
+  parse(path)
+    .path.filter(Boolean)
+    .join(sep);