upgrade: TypeScript 3.8 (#4100)

1 files changed, 42 insertions, 0 deletions

diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 3e2c28980..20de4b030 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -327,6 +327,48 @@ fn bundle_single_module() {
 }
 
 #[test]
+fn bundle_tla() {
+  // First we have to generate a bundle of some module that has exports.
+  let tla_import = util::root_path().join("cli/tests/subdir/tla.ts");
+  assert!(tla_import.is_file());
+  let t = tempfile::TempDir::new().expect("tempdir fail");
+  let bundle = t.path().join("tla.bundle.js");
+  let mut deno = util::deno_cmd()
+    .current_dir(util::root_path())
+    .arg("bundle")
+    .arg(tla_import)
+    .arg(&bundle)
+    .spawn()
+    .expect("failed to spawn script");
+  let status = deno.wait().expect("failed to wait for the child process");
+  assert!(status.success());
+  assert!(bundle.is_file());
+
+  // Now we try to use that bundle from another module.
+  let test = t.path().join("test.js");
+  std::fs::write(
+    &test,
+    "
+      import { foo } from \"./tla.bundle.js\";
+      console.log(foo); ",
+  )
+  .expect("error writing file");
+
+  let output = util::deno_cmd()
+    .current_dir(util::root_path())
+    .arg("run")
+    .arg(&test)
+    .output()
+    .expect("failed to spawn script");
+  // check the output of the test.ts program.
+  assert!(std::str::from_utf8(&output.stdout)
+    .unwrap()
+    .trim()
+    .ends_with("Hello"));
+  assert_eq!(output.stderr, b"");
+}
+
+#[test]
 fn repl_test_console_log() {
   let (out, err, code) =
     util::repl_process(vec!["console.log('hello')", "'world'"], None);