feat: 🎸 add sumlink printing support

src/print/__tests__/index.test.ts

@@ -48,3 +48,33 @@ test('can stop recursion at specified depth', () => {
        └─ dir2/ (...)"
   `);
 });
+
+test('can print symlinks', () => {
+  const { fs } = memfs({
+    '/a/b/c/file.txt': '...',
+    '/a/b/main.rb': '...',
+  });
+  fs.symlinkSync('/a/b/c/file.txt', '/goto');
+  expect(toTreeSync(fs)).toMatchInlineSnapshot(`
+    "/
+    ├─ a/
+    │  └─ b/
+    │     ├─ c/
+    │     │  └─ file.txt
+    │     └─ main.rb
+    └─ goto → /a/b/c/file.txt"
+  `);
+});
+
+test('can print starting from subfolder', () => {
+  const { fs } = memfs({
+    '/a/b/c/file.txt': '...',
+    '/a/b/main.rb': '...',
+  });
+  expect(toTreeSync(fs, { dir: '/a/b' })).toMatchInlineSnapshot(`
+    "b/
+    ├─ c/
+    │  └─ file.txt
+    └─ main.rb"
+  `);
+});

src/print/index.ts

@@ -17,6 +17,8 @@ export const toTreeSync = (fs: FsSynchronousApi, opts: ToTreeOptions = {}) => {
         const isDir = entry.isDirectory();
         if (isDir) {
           return toTreeSync(fs, {dir: dir + entry.name, depth: depth - 1, tab});
+        } else if (entry.isSymbolicLink()) {
+          return '' + entry.name + ' → ' + fs.readlinkSync(dir + entry.name);
         } else {
           return '' + entry.name;
         }