repl: add autocomplete for filesystem modules

PR-URL: https://github.com/nodejs/node/pull/26648
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

4 files changed, 42 insertions, 0 deletions

diff --git a/test/fixtures/test-repl-tab-completion/.hiddenfiles b/test/fixtures/test-repl-tab-completion/.hiddenfiles
new file mode 100644
index 0000000000..8943faefed
--- /dev/null
+++ b/test/fixtures/test-repl-tab-completion/.hiddenfiles
@@ -0,0 +1 @@
+This is hidden
\ No newline at end of file
diff --git a/test/fixtures/test-repl-tab-completion/hellorandom.txt b/test/fixtures/test-repl-tab-completion/hellorandom.txt
new file mode 100644
index 0000000000..35268b4f15
--- /dev/null
+++ b/test/fixtures/test-repl-tab-completion/hellorandom.txt
@@ -0,0 +1 @@
+Random txt
\ No newline at end of file
diff --git a/test/fixtures/test-repl-tab-completion/helloworld.js b/test/fixtures/test-repl-tab-completion/helloworld.js
new file mode 100644
index 0000000000..0f504264f5
--- /dev/null
+++ b/test/fixtures/test-repl-tab-completion/helloworld.js
@@ -0,0 +1 @@
+console.log("hello world");
\ No newline at end of file
diff --git a/test/parallel/test-repl-tab-complete.js b/test/parallel/test-repl-tab-complete.js
index 02cd06c953..364d880e8c 100644
--- a/test/parallel/test-repl-tab-complete.js
+++ b/test/parallel/test-repl-tab-complete.js
@@ -397,6 +397,45 @@ testMe.complete('obj.', common.mustCall((error, data) => {
   assert(data[0].includes('obj.key'));
 }));
 
+// Tab completion for files/directories
+{
+  putIn.run(['.clear']);
+  process.chdir(__dirname);
+
+  const readFileSync = 'fs.readFileSync("';
+  const fixturePath = `${readFileSync}../fixtures/test-repl-tab-completion`;
+  if (!common.isWindows) {
+    testMe.complete(fixturePath, common.mustCall((err, data) => {
+      assert.strictEqual(err, null);
+      assert.ok(data[0][0].includes('.hiddenfiles'));
+      assert.ok(data[0][1].includes('hellorandom.txt'));
+      assert.ok(data[0][2].includes('helloworld.js'));
+    }));
+
+    testMe.complete(`${fixturePath}/hello`,
+                    common.mustCall((err, data) => {
+                      assert.strictEqual(err, null);
+                      assert.ok(data[0][0].includes('hellorandom.txt'));
+                      assert.ok(data[0][1].includes('helloworld.js'));
+                    })
+    );
+
+    testMe.complete(`${fixturePath}/.h`,
+                    common.mustCall((err, data) => {
+                      assert.strictEqual(err, null);
+                      assert.ok(data[0][0].includes('.hiddenfiles'));
+                    })
+    );
+
+    testMe.complete(`${readFileSync}./xxxRandom/random`,
+                    common.mustCall((err, data) => {
+                      assert.strictEqual(err, null);
+                      assert.strictEqual(data[0].length, 0);
+                    })
+    );
+  }
+}
+
 [
   Array,
   Buffer,