fixup! fs: add FileHandle.prototype.readLines

test/parallel/test-fs-promises-file-handle-readLines.mjs

@@ -0,0 +1,40 @@
+import '../common/index.mjs';
+import tmpdir from '../common/tmpdir.js';
+
+import assert from 'node:assert';
+import { open, writeFile } from 'node:fs/promises';
+import path from 'node:path';
+
+tmpdir.refresh();
+
+const filePath = path.join(tmpdir.path, 'file.txt');
+
+await writeFile(filePath, '1\n\n2\n');
+
+let file;
+try {
+  file = await open(filePath);
+
+  let i = 0;
+  for await (const line of file.readLines()) {
+    switch (i++) {
+      case 0:
+        assert.strictEqual(line, '1');
+        break;
+
+      case 1:
+        assert.strictEqual(line, '');
+        break;
+
+      case 2:
+        assert.strictEqual(line, '2');
+        break;
+
+      default:
+        assert.fail();
+        break;
+    }
+  }
+} finally {
+  await file?.close();
+}