fix(relative): handle different windows drive letters (#158)

unjs · Jan 10, 2024 · faa2b11 · faa2b11
1 parent 2fa8aaa
commit faa2b11
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/src/path.ts b/src/path.ts
@@ -215,6 +215,11 @@ export const relative: typeof path.relative = function (from, to) {
   const _from = resolve(from).replace(_ROOT_FOLDER_RE, "$1").split("/");
   const _to = resolve(to).replace(_ROOT_FOLDER_RE, "$1").split("/");
 
+  // Different windows drive letters
+  if (_to[0][1] === ":" && _from[0][1] === ":" && _from[0] !== _to[0]) {
+    return _to.join("/");
+  }
+
   const _fromCopy = [..._from];
   for (const segment of _fromCopy) {
     if (_to[0] !== segment) {

diff --git a/test/index.spec.ts b/test/index.spec.ts
@@ -248,6 +248,7 @@ runTest("relative", relative, [
   ["C:\\orandea\\test\\aaa", "c:\\orandea\\impl\\bbb", "../../impl/bbb"],
   ["C:\\", "C:\\foo\\bar", "foo/bar"],
   ["C:\\foo", "C:\\", ".."],
+  ["C:\\foo", "d:\\bar", "D:/bar"],
   [
     () => process.cwd().replace(/\\/g, "/"),
     "./dist/client/b-scroll.d.ts",