feat: add javascript(nodejs)

docs/NewLanguage.md

@@ -88,11 +88,11 @@ environment variables, they are not and simple find and replace is performed
 before the command is executed.
 - `${SOURCE_FILE}` - Path to a source file which contains the users code from
   the payload. The file is not in current PWD and is read-only.
-- ${SOURCE_ARGS}` - Command line arguments to the users code.
+- `${SOURCE_ARGS}` - Command line arguments to the users code.
 - `${EXECUTOR}` - The executor in the payload.
 - `${EXECUTOR_ARGS}` - Arguments to the executor (for example to run `python3`
   with some additional flag).
-- `${COMPILER}` and ${COMPILER_ARGS} - Same meaning as executor, but for
+- `${COMPILER}` and `${COMPILER_ARGS}` - Same meaning as executor, but for
   `compiler`.
 
 Configs are located in `/evaluator/config/config.yaml`.

evaluator/Dockerfile

@@ -52,6 +52,7 @@ RUN apt-get install -y \
     ghc \
     build-essential \
     python3 \
+    nodejs \
     racket
 
 COPY --from=builder /rust/app/target/release/evaluator bin/evaluator

evaluator/config/config.yaml

@@ -22,6 +22,13 @@
   - rm source.c
   - ./a.out
 
+- name: js
+  executors:
+  - name: nodejs-bookworm
+    path: /usr/bin/node
+  commands:
+  - "${EXECUTOR} ${EXECUTOR_ARGS} ${SOURCE_FILE} ${SOURCE_ARGS}"
+
 - name: lua
   executors:
   - name: lua5.4.6

evaluator/infra/languages/lua/setup.sh

@@ -18,7 +18,7 @@ setup_lua_version() {
     pushd lua-${LUA_VERSION}
     make linux
     mkdir -p /opt/evaluator/compilers/lua/
-    cp src/lua /opt/evaluator/compilers/lua/lua${LUA_VERSION}
+    cp src/lua "/opt/evaluator/compilers/lua/lua${LUA_VERSION}"
     popd
 }
 

integration_tests/evaluator_tests/test_js.py

@@ -0,0 +1,16 @@
+import requests
+
+EVALUATOR_ADDRESS = "http://evaluator:7800/api/v1/evaluate"
+
+def generate_python(code: str):
+    return {"language": "js", "code": code, "executor": "nodejs-bookworm"}
+
+def test_simple_python():
+    payload = generate_python("""
+console.log("Hello, World!");
+""")
+    response = requests.post(EVALUATOR_ADDRESS, json=payload)
+    assert response.status_code == 200
+    values = response.json()
+    assert values["stdout"] == "Hello, World!\n"
+    assert values["stderr"] == ""

website/package.json

@@ -2,6 +2,7 @@
 	"name": "website",
 	"version": "0.0.1",
 	"private": true,
+	"packageManager": "pnpm@9.15.9",
 	"scripts": {
 		"dev": "vite dev",
 		"build": "vite build",

website/src/lib/constants.ts

@@ -8,6 +8,13 @@ export const languages: { [key in LangKey]: ILanguage } = {
 		text: 'Lua',
 		executors: ['lua5.4.6', 'lua5.3.6', 'lua5.2.4', 'lua5.1.5']
 	},
+	js: {
+		name: 'js',
+		server_name: 'js',
+		editor_name: 'javascript',
+		text: 'Javascript',
+		executors: ['nodejs-bookworm']
+	},
 	python3: {
 		name: 'python3',
 		server_name: 'python3',

website/src/lib/defaultPrograms.ts

@@ -14,6 +14,17 @@ export const defaultPrograms: IPrograms = {
 		'',
 		'print(fact(5))'
 	].join('\n'),
+	javascript: [
+		'function fact(n) {',
+		'    if (n === 0) {',
+		'        return 1;',
+		'    } else {',
+		'        return n * fact(n - 1);',
+		'    }',
+		'}',
+		'',
+		'console.log(fact(5));'
+	].join('\n'),
 	scheme: [
 		'#lang racket',
 		'',

website/src/lib/types.ts

@@ -37,6 +37,7 @@ export type LinkData = {
 
 export type LangKey =
 	| 'lua'
+	| 'js'
 	| 'python3'
 	| 'racket'
 	| 'bash'