Merge pull request #67 from mizdra/fix-root-dir

`rootDir` should be unix-style path with `unixStylePath: true`

Author: mizdra

src/index.test.ts

@@ -184,10 +184,17 @@ describe('createIFF', () => {
 
 describe('CreateIFFResult', () => {
   const createIFF = defineIFFCreator({ generateRootDir: () => fixtureDir });
-  test('rootDir', async () => {
-    const createIFF = defineIFFCreator({ generateRootDir: () => join(fixtureDir, 'a') });
-    const iff = await createIFF({});
-    expect(iff.rootDir).toBe(join(fixtureDir, 'a'));
+  describe('rootDir', () => {
+    test('basic', async () => {
+      const createIFF = defineIFFCreator({ generateRootDir: () => join(fixtureDir, 'a') });
+      const iff = await createIFF({});
+      expect(iff.rootDir).toBe(join(fixtureDir, 'a'));
+    });
+    test('unixStylePath', async () => {
+      const createIFF = defineIFFCreator({ generateRootDir: () => fixtureDir, unixStylePath: true });
+      const iff = await createIFF({});
+      expect(iff.rootDir).toBe(slash(fixtureDir));
+    });
   });
   describe('paths', () => {
     test('basic', async () => {

src/index.ts

@@ -264,7 +264,7 @@ export function defineIFFCreator(defineIFFCreatorOptions: DefineIFFCreatorOption
     } as FlattenDirectory<MergeDirectory<U, T>>;
 
     const iff: CreateIFFResult<MergeDirectory<U, T>> = {
-      rootDir,
+      rootDir: unixStylePath ? slash(rootDir) : rootDir,
       paths,
       join(...paths) {
         return unixStylePath ? slash(join(rootDir, ...paths)) : join(rootDir, ...paths);