Add ts-extension-load-esm test

tests/handler-module-formats/module/handlerModuleFormats.test.js

@@ -62,6 +62,13 @@ describe("handler module format: module", function desc() {
       path: "/dev/top-level-await",
       status: 200,
     },
+
+    {
+      description: "should return 'bar' for ts-extension-load-esm endpoint",
+      expected: "bar",
+      path: "/dev/ts-extension-load-esm",
+      status: 200,
+    },
   ].forEach(({ description, expected, path, status }) => {
     it(description, async () => {
       const url = new URL(path, BASE_URL)

tests/handler-module-formats/module/serverless.yml

@@ -65,3 +65,10 @@ functions:
           method: get
           path: top-level-await
     handler: top-level-await/handler.bar
+
+  ts-extension-load-esm:
+    events:
+      - http:
+          method: get
+          path: ts-extension-load-esm
+    handler: ts-extension-load-esm/handler.foo

tests/handler-module-formats/module/ts-extension-load-esm/.gitignore

@@ -0,0 +1 @@
+!node_modules/

tests/handler-module-formats/module/ts-extension-load-esm/handler.ts

@@ -0,0 +1,11 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { bar } from "testpackage"
+
+const { stringify } = JSON
+
+export async function foo() {
+  return {
+    body: stringify(bar()),
+    statusCode: 200,
+  }
+}

tests/handler-module-formats/module/ts-extension-load-esm/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

tests/handler-module-formats/module/ts-extension-load-esm/test.cjs

@@ -0,0 +1,3 @@
+const { require: tsxRequire } = require(`tsx/cjs/api`)
+
+tsxRequire("./handler.ts", __filename)