feat: default to TS for file extension and support ext flag in more scenarios (#25472)

Closes #11220
Currently does lint, fmt, and repl

5 files changed, 29 insertions, 0 deletions

diff --git a/tests/specs/bench/default_ts/__test__.jsonc b/tests/specs/bench/default_ts/__test__.jsonc
new file mode 100644
index 000000000..a5657290d
--- /dev/null
+++ b/tests/specs/bench/default_ts/__test__.jsonc
@@ -0,0 +1,13 @@
+{
+  "tempDir": true,
+  "tests": {
+    "ext_flag": {
+      "args": "bench --ext=ts as_ts.js",
+      "output": "ext.out"
+    },
+    "extensionless": {
+      "args": "bench extensionless",
+      "output": "extensionless.out"
+    }
+  }
+}
diff --git a/tests/specs/bench/default_ts/as_ts.js b/tests/specs/bench/default_ts/as_ts.js
new file mode 100644
index 000000000..914439a9f
--- /dev/null
+++ b/tests/specs/bench/default_ts/as_ts.js
@@ -0,0 +1,3 @@
+Deno.bench(function foo() {
+  const x: string = "foo";
+});
diff --git a/tests/specs/bench/default_ts/ext.out b/tests/specs/bench/default_ts/ext.out
new file mode 100644
index 000000000..be4e34aac
--- /dev/null
+++ b/tests/specs/bench/default_ts/ext.out
@@ -0,0 +1,5 @@
+Check file:///[WILDCARD]/as_ts.js
+[WILDCARD]
+
+file:///[WILDCARD]/as_ts.js
+[WILDCARD]
diff --git a/tests/specs/bench/default_ts/extensionless b/tests/specs/bench/default_ts/extensionless
new file mode 100644
index 000000000..914439a9f
--- /dev/null
+++ b/tests/specs/bench/default_ts/extensionless
@@ -0,0 +1,3 @@
+Deno.bench(function foo() {
+  const x: string = "foo";
+});
diff --git a/tests/specs/bench/default_ts/extensionless.out b/tests/specs/bench/default_ts/extensionless.out
new file mode 100644
index 000000000..e9442310e
--- /dev/null
+++ b/tests/specs/bench/default_ts/extensionless.out
@@ -0,0 +1,5 @@
+Check file:///[WILDCARD]/extensionless
+[WILDCARD]
+
+file:///[WILDCARD]/extensionless
+[WILDCARD]