feat(npm): add flag for creating and resolving npm packages to a local node_modules folder (#15971)

1 files changed, 46 insertions, 0 deletions

diff --git a/cli/tests/integration/npm_tests.rs b/cli/tests/integration/npm_tests.rs
index 2dcd9824f..507bddb30 100644
--- a/cli/tests/integration/npm_tests.rs
+++ b/cli/tests/integration/npm_tests.rs
@@ -534,6 +534,52 @@ itest!(builtin_module_module {
   http_server: true,
 });
 
+itest!(node_modules_dir_require_added_node_modules_folder {
+  args:
+    "run --unstable --node-modules-dir -A --quiet $TESTDATA/npm/require_added_nm_folder/main.js",
+  output: "npm/require_added_nm_folder/main.out",
+  envs: env_vars(),
+  http_server: true,
+  exit_code: 0,
+  temp_cwd: true,
+});
+
+itest!(node_modules_dir_with_deps {
+  args: "run --allow-read --allow-env --unstable --node-modules-dir $TESTDATA/npm/cjs_with_deps/main.js",
+  output: "npm/cjs_with_deps/main.out",
+  envs: env_vars(),
+  http_server: true,
+  temp_cwd: true,
+});
+
+#[test]
+fn node_modules_dir_cache() {
+  let _server = http_server();
+
+  let deno_dir = util::new_deno_dir();
+
+  let deno = util::deno_cmd_with_deno_dir(&deno_dir)
+    .current_dir(deno_dir.path())
+    .arg("cache")
+    .arg("--unstable")
+    .arg("--node-modules-dir")
+    .arg("--quiet")
+    .arg(util::testdata_path().join("npm/dual_cjs_esm/main.ts"))
+    .envs(env_vars())
+    .spawn()
+    .unwrap();
+  let output = deno.wait_with_output().unwrap();
+  assert!(output.status.success());
+
+  let node_modules = deno_dir.path().join("node_modules");
+  assert!(node_modules
+    .join(
+      ".deno/@denotest+dual-cjs-esm@1.0.0/node_modules/@denotest/dual-cjs-esm"
+    )
+    .exists());
+  assert!(node_modules.join("@denotest/dual-cjs-esm").exists());
+}
+
 #[test]
 fn ensure_registry_files_local() {
   // ensures the registry files all point at local tarballs