feat: javascript runtime

dev-requirements.txt

@@ -1,3 +1,6 @@
 pytest
 pytest-asyncio
 pyyaml
+httpx
+starlette
+aiodocker

livecode_server/config.py

@@ -15,6 +15,11 @@
             "command": [],
             "code_filename": "main.py"
         },
+        "javascript": {
+            "image": "frappedevs/falcon-javascript:latest",
+            "command": [],
+            "code_filename": "main.js"
+        },
         "rust": {
             "image": "fossunited/falcon-rust",
             "command": [],

runtimes/javascript/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:18
+WORKDIR /app
+RUN mkdir -p /opt/modes
+COPY run.sh /opt/
+COPY modes/exec.sh /opt/modes/
+RUN chmod +x /opt/run.sh /opt/modes/exec.sh
+ENTRYPOINT ["/opt/run.sh"]

runtimes/javascript/modes/exec.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+SOURCE_FILE=${FALCON_SOURCE_FILE:-"main.js"}
+node "$SOURCE_FILE"

runtimes/javascript/run.sh

@@ -0,0 +1,12 @@
+#! /bin/sh
+TIMEOUT=10
+SOURCE_FILE=${FALCON_SOURCE_FILE:-"main.js"}
+MODE=${FALCON_MODE:-"exec"}
+SCRIPT=/opt/modes/$MODE.sh
+
+if [ -x "$SCRIPT" ]; then
+    exec timeout $TIMEOUT $SCRIPT "$@"
+else
+    echo "ERROR: invalid mode - $MODE" 1>&2
+    exit 1
+fi

tests/runtimes/test_javascript_hello.yml

@@ -0,0 +1,3 @@
+runtime: javascript
+code: console.log("hello, world!")
+expected_output: "hello, world!\n"