From 8381cd88ab3fa79c877c259607dcbb5828d10df2 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 25 Apr 2025 18:10:38 +0200
Subject: [PATCH 1/9] added typescript support via SWC

---
 template/.ts.swcrc           | 15 +++++++++++++++
 template/Dockerfile          | 11 +++++++++--
 template/server/contexts.py  | 10 +++++++++-
 template/server/messaging.py | 19 +++++++++++++++++++
 template/test.Dockerfile     | 11 +++++++++--
 5 files changed, 61 insertions(+), 5 deletions(-)
 create mode 100644 template/.ts.swcrc

diff --git a/template/.ts.swcrc b/template/.ts.swcrc
new file mode 100644
index 00000000..cc07d97d
--- /dev/null
+++ b/template/.ts.swcrc
@@ -0,0 +1,15 @@
+{
+  "$schema": "https://swc.rs/schema.json",
+  "jsc": {
+    "parser": {
+      "syntax": "typescript"
+    }
+  },
+  "module": {
+    "type": "commonjs"
+  },
+  "env": {
+    "targets": "node 22"
+  },
+  "isModule": false
+}
diff --git a/template/Dockerfile b/template/Dockerfile
index b023150d..42bd906a 100644
--- a/template/Dockerfile
+++ b/template/Dockerfile
@@ -1,7 +1,11 @@
 FROM python:3.10.14
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-  build-essential curl git util-linux jq sudo nodejs npm fonts-noto-cjk
+  build-essential curl git util-linux jq sudo fonts-noto-cjk
+
+# Install Node.js 20.x from NodeSource
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y nodejs
 
 ENV PIP_DEFAULT_TIMEOUT=100 \
   PIP_DISABLE_PIP_VERSION_CHECK=1 \
@@ -24,10 +28,13 @@ RUN R -e "install.packages('IRkernel', repos='https://cloud.r-project.org')"
 RUN R -e "IRkernel::installspec(user = FALSE, name = 'r', displayname = 'R')"
 
 # Javascript Kernel
-RUN npm install -g node-gyp
 RUN npm install -g --unsafe-perm ijavascript
 RUN ijsinstall --install=global
 
+## TypeScript support
+RUN npm install -g @swc/cli @swc/core
+COPY .ts.swcrc /root/.ts.swcrc
+
 # Deno Kernel
 COPY --from=denoland/deno:bin-2.0.4 /deno /usr/bin/deno
 RUN chmod +x /usr/bin/deno
diff --git a/template/server/contexts.py b/template/server/contexts.py
index 3af317d3..d078dc6e 100644
--- a/template/server/contexts.py
+++ b/template/server/contexts.py
@@ -11,6 +11,11 @@
 
 logger = logging.Logger(__name__)
 
+def get_kernel_for_language(language: str) -> str:
+    if language == "typescript":
+        return "javascript"
+
+    return language
 
 def normalize_language(language: Optional[str]) -> str:
     if not language:
@@ -21,13 +26,16 @@ def normalize_language(language: Optional[str]) -> str:
     if language == "js":
         return "javascript"
 
+    if language == "ts":
+        return "typescript"
+
     return language
 
 
 async def create_context(client, websockets: dict, language: str, cwd: str) -> Context:
     data = {
         "path": str(uuid.uuid4()),
-        "kernel": {"name": language},
+        "kernel": {"name": get_kernel_for_language(language)},
         "type": "notebook",
         "name": str(uuid.uuid4()),
     }
diff --git a/template/server/messaging.py b/template/server/messaging.py
index 4f537aa8..c51c1ed3 100644
--- a/template/server/messaging.py
+++ b/template/server/messaging.py
@@ -3,6 +3,7 @@
 import logging
 import uuid
 import asyncio
+import subprocess
 
 from asyncio import Queue
 from envs import get_envs
@@ -27,6 +28,7 @@
 
 logger = logging.getLogger(__name__)
 
+compile_typescript_cmd = "/usr/lib/node_modules/@swc/cli/bin/swc.js --config-file /root/.ts.swcrc --filename index.ts"
 
 class Execution:
     def __init__(self, in_background: bool = False):
@@ -199,6 +201,23 @@ async def execute(
                         + code
                     )
 
+            if self.language == "typescript":
+                logger.info("Compiling TypeScript: %s", code)
+
+                # call swc to compile the typescript code
+                compile_result = subprocess.run(compile_typescript_cmd.split(), input=code.encode(), capture_output=True)
+
+                if compile_result.returncode != 0:
+                    logger.error("Error during TypeScript compilation: %s", compile_result.stderr.decode())
+                    yield Error(
+                        name="TypeScriptCompilerError",
+                        value=compile_result.stderr.decode(),
+                        traceback="",
+                    )
+                    return
+
+                code = compile_result.stdout.decode()
+
             logger.info(code)
             request = self._get_execute_request(message_id, code, False)
 
diff --git a/template/test.Dockerfile b/template/test.Dockerfile
index f3647911..984feb90 100644
--- a/template/test.Dockerfile
+++ b/template/test.Dockerfile
@@ -5,7 +5,11 @@ COPY --from=eclipse-temurin:11-jdk $JAVA_HOME $JAVA_HOME
 ENV PATH="${JAVA_HOME}/bin:${PATH}"
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --no-install-recommends \
-  build-essential curl git util-linux jq sudo nodejs npm fonts-noto-cjk
+  build-essential curl git util-linux jq sudo fonts-noto-cjk
+
+# Install Node.js 20.x from NodeSource
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y nodejs
 
 ENV PIP_DEFAULT_TIMEOUT=100 \
   PIP_DISABLE_PIP_VERSION_CHECK=1 \
@@ -19,10 +23,13 @@ COPY ./template/requirements.txt requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt && ipython kernel install --name "python3" --user
 
 # Javascript Kernel
-RUN npm install -g node-gyp
 RUN npm install -g --unsafe-perm ijavascript
 RUN ijsinstall --install=global
 
+## TypeScript support
+RUN npm install -g @swc/cli @swc/core
+COPY ./template/.ts.swcrc /root/.ts.swcrc
+
 # Deno Kernel
 COPY --from=denoland/deno:bin-2.0.4 /deno /usr/bin/deno
 RUN chmod +x /usr/bin/deno

From 644c657cd7053e915780ff85d7e20d7219db2eb2 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 25 Apr 2025 18:17:04 +0200
Subject: [PATCH 2/9] added ts tests

---
 js/tests/defaultKernels.test.ts                  | 5 +++++
 python/tests/async/test_async_default_kernels.py | 6 ++++++
 python/tests/sync/test_default_kernels.py        | 6 ++++++
 3 files changed, 17 insertions(+)

diff --git a/js/tests/defaultKernels.test.ts b/js/tests/defaultKernels.test.ts
index 8a7b7f65..b5a47944 100644
--- a/js/tests/defaultKernels.test.ts
+++ b/js/tests/defaultKernels.test.ts
@@ -6,3 +6,8 @@ sandboxTest('test js kernel', async ({ sandbox }) => {
   const output = await sandbox.runCode('console.log("Hello World!")', { language: 'js' })
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
+
+sandboxTest('test ts kernel', async ({ sandbox }) => {
+  const output = await sandbox.runCode('const message: string = "Hello World!"; console.log(message)', { language: 'ts' })
+  expect(output.logs.stdout).toEqual(['Hello World!\n'])
+})
diff --git a/python/tests/async/test_async_default_kernels.py b/python/tests/async/test_async_default_kernels.py
index a632bda6..619571b5 100644
--- a/python/tests/async/test_async_default_kernels.py
+++ b/python/tests/async/test_async_default_kernels.py
@@ -6,3 +6,9 @@ async def test_js_kernel(async_sandbox: AsyncSandbox):
         "console.log('Hello, World!')", language="js"
     )
     assert execution.logs.stdout == ["Hello, World!\n"]
+
+async def test_ts_kernel(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code(
+        "const message: string = 'Hello, World!'; console.log(message);", language="ts"
+    )
+    assert execution.logs.stdout == ["Hello, World!\n"]
diff --git a/python/tests/sync/test_default_kernels.py b/python/tests/sync/test_default_kernels.py
index d0daf820..0c8c25c7 100644
--- a/python/tests/sync/test_default_kernels.py
+++ b/python/tests/sync/test_default_kernels.py
@@ -18,3 +18,9 @@ def test_r_kernel(sandbox: Sandbox):
 def test_java_kernel(sandbox: Sandbox):
     execution = sandbox.run_code('System.out.println("Hello, World!")', language="java")
     assert execution.logs.stdout[0] == "Hello, World!"
+
+
+@pytest.mark.skip_debug()
+def test_ts_kernel(sandbox: Sandbox):
+    execution = sandbox.run_code("const message: string = 'Hello, World!'; console.log(message)", language="ts")
+    assert execution.logs.stdout == ["Hello, World!\n"]

From 5c0db794572ddfb9eaade66bf074bac7f69ca1f6 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 25 Apr 2025 18:24:04 +0200
Subject: [PATCH 3/9] changed target node version

---
 template/.ts.swcrc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/template/.ts.swcrc b/template/.ts.swcrc
index cc07d97d..cf7cb8d3 100644
--- a/template/.ts.swcrc
+++ b/template/.ts.swcrc
@@ -9,7 +9,7 @@
     "type": "commonjs"
   },
   "env": {
-    "targets": "node 22"
+    "targets": "node 20"
   },
   "isModule": false
 }

From abac1f736ee122e84d15b1fa46597392a73444d1 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Wed, 30 Apr 2025 17:22:13 +0200
Subject: [PATCH 4/9] minor nits by @0div

---
 template/Dockerfile          |  2 +-
 template/server/messaging.py | 27 +++++++++++++++++----------
 template/test.Dockerfile     |  4 ++--
 3 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/template/Dockerfile b/template/Dockerfile
index 42bd906a..36272ef0 100644
--- a/template/Dockerfile
+++ b/template/Dockerfile
@@ -31,7 +31,7 @@ RUN R -e "IRkernel::installspec(user = FALSE, name = 'r', displayname = 'R')"
 RUN npm install -g --unsafe-perm ijavascript
 RUN ijsinstall --install=global
 
-## TypeScript support
+## TypeScript compiler
 RUN npm install -g @swc/cli @swc/core
 COPY .ts.swcrc /root/.ts.swcrc
 
diff --git a/template/server/messaging.py b/template/server/messaging.py
index c51c1ed3..d2894d92 100644
--- a/template/server/messaging.py
+++ b/template/server/messaging.py
@@ -28,8 +28,6 @@
 
 logger = logging.getLogger(__name__)
 
-compile_typescript_cmd = "/usr/lib/node_modules/@swc/cli/bin/swc.js --config-file /root/.ts.swcrc --filename index.ts"
-
 class Execution:
     def __init__(self, in_background: bool = False):
         self.queue = Queue[
@@ -204,20 +202,29 @@ async def execute(
             if self.language == "typescript":
                 logger.info("Compiling TypeScript: %s", code)
 
-                # call swc to compile the typescript code
-                compile_result = subprocess.run(compile_typescript_cmd.split(), input=code.encode(), capture_output=True)
-
-                if compile_result.returncode != 0:
-                    logger.error("Error during TypeScript compilation: %s", compile_result.stderr.decode())
+                # call SWC to compile the typescript code
+                try:
+                    compile_result = subprocess.run("swc --config-file .ts.swcrc --filename index.ts".split(), input=code.encode(), capture_output=True)
+
+                    if compile_result.returncode != 0:
+                        logger.error("Error during TypeScript compilation: %s", compile_result.stderr.decode())
+                        yield Error(
+                            name="TypeScriptCompilerError",
+                            value=compile_result.stderr.decode(),
+                            traceback="",
+                        )
+                        return
+
+                    code = compile_result.stdout.decode()
+                except Exception as e:
+                    logger.error("Error starting SWC process: %s", e)
                     yield Error(
                         name="TypeScriptCompilerError",
-                        value=compile_result.stderr.decode(),
+                        value=str(e),
                         traceback="",
                     )
                     return
 
-                code = compile_result.stdout.decode()
-
             logger.info(code)
             request = self._get_execute_request(message_id, code, False)
 
diff --git a/template/test.Dockerfile b/template/test.Dockerfile
index 984feb90..f9302081 100644
--- a/template/test.Dockerfile
+++ b/template/test.Dockerfile
@@ -26,9 +26,9 @@ RUN pip install --no-cache-dir -r requirements.txt && ipython kernel install --n
 RUN npm install -g --unsafe-perm ijavascript
 RUN ijsinstall --install=global
 
-## TypeScript support
+## TypeScript compiler
 RUN npm install -g @swc/cli @swc/core
-COPY ./template/.ts.swcrc /root/.ts.swcrc
+COPY ./template/.ts.swcrc $SERVER_PATH/.ts.swcrc
 
 # Deno Kernel
 COPY --from=denoland/deno:bin-2.0.4 /deno /usr/bin/deno

From 9f44d34eb716f9776d3f7b673afae4b18ecc3a4f Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Wed, 30 Apr 2025 17:34:56 +0200
Subject: [PATCH 5/9] added test for typescript kernel failure

---
 js/tests/defaultKernels.test.ts                  | 16 ++++++++++++++--
 python/tests/async/test_async_default_kernels.py |  7 +++++++
 python/tests/sync/test_default_kernels.py        |  6 ++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/js/tests/defaultKernels.test.ts b/js/tests/defaultKernels.test.ts
index b5a47944..5750644a 100644
--- a/js/tests/defaultKernels.test.ts
+++ b/js/tests/defaultKernels.test.ts
@@ -3,11 +3,23 @@ import { expect } from 'vitest'
 import { sandboxTest } from './setup'
 
 sandboxTest('test js kernel', async ({ sandbox }) => {
-  const output = await sandbox.runCode('console.log("Hello World!")', { language: 'js' })
+  const output = await sandbox.runCode('console.log("Hello World!")', {
+    language: 'js',
+  })
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
 
 sandboxTest('test ts kernel', async ({ sandbox }) => {
-  const output = await sandbox.runCode('const message: string = "Hello World!"; console.log(message)', { language: 'ts' })
+  const output = await sandbox.runCode(
+    'const message: string = "Hello World!"; console.log(message)',
+    { language: 'ts' }
+  )
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
+
+sandboxTest('test ts kernel errors', async ({ sandbox }) => {
+  const output = await sandbox.runCode('import x from "module";', {
+    language: 'typescript',
+  })
+  expect(output.error?.name).toEqual('TypeScriptCompilerError')
+})
diff --git a/python/tests/async/test_async_default_kernels.py b/python/tests/async/test_async_default_kernels.py
index 619571b5..72153022 100644
--- a/python/tests/async/test_async_default_kernels.py
+++ b/python/tests/async/test_async_default_kernels.py
@@ -12,3 +12,10 @@ async def test_ts_kernel(async_sandbox: AsyncSandbox):
         "const message: string = 'Hello, World!'; console.log(message);", language="ts"
     )
     assert execution.logs.stdout == ["Hello, World!\n"]
+
+async def test_ts_kernel_errors(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code(
+        "import x from 'module';", language="ts"
+    )
+    assert execution.error is not None
+    assert execution.error.name == "TypeScriptCompilerError"
diff --git a/python/tests/sync/test_default_kernels.py b/python/tests/sync/test_default_kernels.py
index 0c8c25c7..0695defd 100644
--- a/python/tests/sync/test_default_kernels.py
+++ b/python/tests/sync/test_default_kernels.py
@@ -24,3 +24,9 @@ def test_java_kernel(sandbox: Sandbox):
 def test_ts_kernel(sandbox: Sandbox):
     execution = sandbox.run_code("const message: string = 'Hello, World!'; console.log(message)", language="ts")
     assert execution.logs.stdout == ["Hello, World!\n"]
+
+
+def test_ts_kernel_errors(sandbox: Sandbox):
+    execution = sandbox.run_code("import x from 'module';", language="ts")
+    assert execution.error is not None
+    assert execution.error.name == "TypeScriptCompilerError"

From bcd23c31d5770ec39abb8c053e37fa529168eed6 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 2 May 2025 11:29:56 +0200
Subject: [PATCH 6/9] changed swc path in prod Dockerfile

---
 template/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/template/Dockerfile b/template/Dockerfile
index 36272ef0..199a5cb0 100644
--- a/template/Dockerfile
+++ b/template/Dockerfile
@@ -33,7 +33,7 @@ RUN ijsinstall --install=global
 
 ## TypeScript compiler
 RUN npm install -g @swc/cli @swc/core
-COPY .ts.swcrc /root/.ts.swcrc
+COPY .ts.swcrc $SERVER_PATH/.ts.swcrc
 
 # Deno Kernel
 COPY --from=denoland/deno:bin-2.0.4 /deno /usr/bin/deno

From 9ef394f9b5c86145749c83a57673cc883af4a9a0 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 2 May 2025 11:35:13 +0200
Subject: [PATCH 7/9] added changeset

---
 .changeset/tiny-adults-breathe.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/tiny-adults-breathe.md

diff --git a/.changeset/tiny-adults-breathe.md b/.changeset/tiny-adults-breathe.md
new file mode 100644
index 00000000..38bb961f
--- /dev/null
+++ b/.changeset/tiny-adults-breathe.md
@@ -0,0 +1,5 @@
+---
+'@e2b/code-interpreter-template': patch
+---
+
+added typescript support

From 9ee90241833b5392e21c5d4e32102a0e7da0201c Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 2 May 2025 13:58:55 +0200
Subject: [PATCH 8/9] skip test here so that the template can be built

---
 js/tests/defaultKernels.test.ts                  | 15 ---------------
 python/tests/async/test_async_default_kernels.py | 13 -------------
 python/tests/sync/test_default_kernels.py        | 12 ------------
 3 files changed, 40 deletions(-)

diff --git a/js/tests/defaultKernels.test.ts b/js/tests/defaultKernels.test.ts
index 5750644a..d8120267 100644
--- a/js/tests/defaultKernels.test.ts
+++ b/js/tests/defaultKernels.test.ts
@@ -8,18 +8,3 @@ sandboxTest('test js kernel', async ({ sandbox }) => {
   })
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
-
-sandboxTest('test ts kernel', async ({ sandbox }) => {
-  const output = await sandbox.runCode(
-    'const message: string = "Hello World!"; console.log(message)',
-    { language: 'ts' }
-  )
-  expect(output.logs.stdout).toEqual(['Hello World!\n'])
-})
-
-sandboxTest('test ts kernel errors', async ({ sandbox }) => {
-  const output = await sandbox.runCode('import x from "module";', {
-    language: 'typescript',
-  })
-  expect(output.error?.name).toEqual('TypeScriptCompilerError')
-})
diff --git a/python/tests/async/test_async_default_kernels.py b/python/tests/async/test_async_default_kernels.py
index 72153022..a632bda6 100644
--- a/python/tests/async/test_async_default_kernels.py
+++ b/python/tests/async/test_async_default_kernels.py
@@ -6,16 +6,3 @@ async def test_js_kernel(async_sandbox: AsyncSandbox):
         "console.log('Hello, World!')", language="js"
     )
     assert execution.logs.stdout == ["Hello, World!\n"]
-
-async def test_ts_kernel(async_sandbox: AsyncSandbox):
-    execution = await async_sandbox.run_code(
-        "const message: string = 'Hello, World!'; console.log(message);", language="ts"
-    )
-    assert execution.logs.stdout == ["Hello, World!\n"]
-
-async def test_ts_kernel_errors(async_sandbox: AsyncSandbox):
-    execution = await async_sandbox.run_code(
-        "import x from 'module';", language="ts"
-    )
-    assert execution.error is not None
-    assert execution.error.name == "TypeScriptCompilerError"
diff --git a/python/tests/sync/test_default_kernels.py b/python/tests/sync/test_default_kernels.py
index 0695defd..d0daf820 100644
--- a/python/tests/sync/test_default_kernels.py
+++ b/python/tests/sync/test_default_kernels.py
@@ -18,15 +18,3 @@ def test_r_kernel(sandbox: Sandbox):
 def test_java_kernel(sandbox: Sandbox):
     execution = sandbox.run_code('System.out.println("Hello, World!")', language="java")
     assert execution.logs.stdout[0] == "Hello, World!"
-
-
-@pytest.mark.skip_debug()
-def test_ts_kernel(sandbox: Sandbox):
-    execution = sandbox.run_code("const message: string = 'Hello, World!'; console.log(message)", language="ts")
-    assert execution.logs.stdout == ["Hello, World!\n"]
-
-
-def test_ts_kernel_errors(sandbox: Sandbox):
-    execution = sandbox.run_code("import x from 'module';", language="ts")
-    assert execution.error is not None
-    assert execution.error.name == "TypeScriptCompilerError"

From df71c98fde69d844980b29dfeabf320629052944 Mon Sep 17 00:00:00 2001
From: Mish <10400064+mishushakov@users.noreply.github.com>
Date: Fri, 2 May 2025 14:25:18 +0200
Subject: [PATCH 9/9] added tests

---
 js/tests/defaultKernels.test.ts                  | 15 +++++++++++++++
 python/tests/async/test_async_default_kernels.py | 13 +++++++++++++
 python/tests/sync/test_default_kernels.py        | 12 ++++++++++++
 3 files changed, 40 insertions(+)

diff --git a/js/tests/defaultKernels.test.ts b/js/tests/defaultKernels.test.ts
index d8120267..5750644a 100644
--- a/js/tests/defaultKernels.test.ts
+++ b/js/tests/defaultKernels.test.ts
@@ -8,3 +8,18 @@ sandboxTest('test js kernel', async ({ sandbox }) => {
   })
   expect(output.logs.stdout).toEqual(['Hello World!\n'])
 })
+
+sandboxTest('test ts kernel', async ({ sandbox }) => {
+  const output = await sandbox.runCode(
+    'const message: string = "Hello World!"; console.log(message)',
+    { language: 'ts' }
+  )
+  expect(output.logs.stdout).toEqual(['Hello World!\n'])
+})
+
+sandboxTest('test ts kernel errors', async ({ sandbox }) => {
+  const output = await sandbox.runCode('import x from "module";', {
+    language: 'typescript',
+  })
+  expect(output.error?.name).toEqual('TypeScriptCompilerError')
+})
diff --git a/python/tests/async/test_async_default_kernels.py b/python/tests/async/test_async_default_kernels.py
index a632bda6..72153022 100644
--- a/python/tests/async/test_async_default_kernels.py
+++ b/python/tests/async/test_async_default_kernels.py
@@ -6,3 +6,16 @@ async def test_js_kernel(async_sandbox: AsyncSandbox):
         "console.log('Hello, World!')", language="js"
     )
     assert execution.logs.stdout == ["Hello, World!\n"]
+
+async def test_ts_kernel(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code(
+        "const message: string = 'Hello, World!'; console.log(message);", language="ts"
+    )
+    assert execution.logs.stdout == ["Hello, World!\n"]
+
+async def test_ts_kernel_errors(async_sandbox: AsyncSandbox):
+    execution = await async_sandbox.run_code(
+        "import x from 'module';", language="ts"
+    )
+    assert execution.error is not None
+    assert execution.error.name == "TypeScriptCompilerError"
diff --git a/python/tests/sync/test_default_kernels.py b/python/tests/sync/test_default_kernels.py
index d0daf820..0695defd 100644
--- a/python/tests/sync/test_default_kernels.py
+++ b/python/tests/sync/test_default_kernels.py
@@ -18,3 +18,15 @@ def test_r_kernel(sandbox: Sandbox):
 def test_java_kernel(sandbox: Sandbox):
     execution = sandbox.run_code('System.out.println("Hello, World!")', language="java")
     assert execution.logs.stdout[0] == "Hello, World!"
+
+
+@pytest.mark.skip_debug()
+def test_ts_kernel(sandbox: Sandbox):
+    execution = sandbox.run_code("const message: string = 'Hello, World!'; console.log(message)", language="ts")
+    assert execution.logs.stdout == ["Hello, World!\n"]
+
+
+def test_ts_kernel_errors(sandbox: Sandbox):
+    execution = sandbox.run_code("import x from 'module';", language="ts")
+    assert execution.error is not None
+    assert execution.error.name == "TypeScriptCompilerError"